{"transactions":[{"id":4628769,"issuer":{"id":2518,"kind":"organization","name":"Dolby Laboratories, Inc.","symbol":"DLB"},"owners":[{"id":18687,"kind":"person","name":"Dolby Dagmar","position":1,"cik":"0001537372","reported_name":"Dolby Dagmar","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":18688,"kind":"organization","name":"DAGMAR DOLBY TRUST UNDER DOLBY FAMILY TRUST INSTRUMENT DATED MAY 7, 1999","position":2,"cik":"0001598813","reported_name":"DAGMAR DOLBY TRUST UNDER DOLBY FAMILY TRUST INSTRUMENT DATED MAY 7, 1999","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":167956,"kind":"organization","name":"MARITAL TRUST UNDER DOLBY FAMILY TRUST DATED MAY 7, 1999","position":3,"cik":"0001598817","reported_name":"MARITAL TRUST UNDER DOLBY FAMILY TRUST DATED MAY 7, 1999","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class B Common Stock","published_at":"2026-10-02T22:42:54.000Z","date":"2026-10-02","kind":"gift","planned":false,"acquired":true,"shares":24108162,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"By a trust"},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Shares of Class B Common Stock are convertible, at no cost, at any time at the election of the holder into shares of Class A Common Stock on a 1-for-1 basis."},{"field":"kind","element":"transactionCoding","label":"F2","text":"On October 2, 2026, the Marital Trust (as defined below) transferred 24,108,162 shares of Class B Common Stock to the Dagmar Dolby Trust (as defined below). Such share transfer was effected solely for tax and estate planning purposes, and was a transfer for no value without the payment or receipt of any funds or other consideration by any reporting person in exchange therefor. As a change in form of indirect beneficial ownership only, the share transfer would be exempt from the reporting requirements of Section 16(a) and the provisions of Section 16(b) of the Act. The reporting persons are voluntarily reporting the share transfer on this Form 4."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"Shares of Class B Common Stock are convertible, at no cost, at any time at the election of the holder into shares of Class A Common Stock on a 1-for-1 basis."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F1","text":"Shares of Class B Common Stock are convertible, at no cost, at any time at the election of the holder into shares of Class A Common Stock on a 1-for-1 basis."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F4","text":"Reflects shares held of record by Dagmar Dolby as the Trustee of the Dagmar Dolby Trust under the Dolby Family Trust Instrument, dated May 7, 1999 (the \"Dagmar Dolby Trust\"), voting power of which is shared by the Trustee and David E. Dolby, son of Dagmar Dolby, as Special Trustee of the Dagmar Dolby Trust. This report is filed jointly by Dagmar Dolby and the Dagmar Dolby Trust with respect to the securities held and transactions effected by the Dagmar Dolby Trust.  The reporting person disclaims beneficial ownership of these securities except to the extent of her pecuniary interest therein."}],"balance_after":28480279,"derivative":{"underlying":"Class A Common Stock","underlying_shares":24108162},"source":{"system":"sec-edgar","filing":"0001193125-26-412706","document":"ownership.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1598817/000119312526412706/ownership.xml","form_type":"4"}},{"id":4628768,"issuer":{"id":2518,"kind":"organization","name":"Dolby Laboratories, Inc.","symbol":"DLB"},"owners":[{"id":18687,"kind":"person","name":"Dolby Dagmar","position":1,"cik":"0001537372","reported_name":"Dolby Dagmar","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":18688,"kind":"organization","name":"DAGMAR DOLBY TRUST UNDER DOLBY FAMILY TRUST INSTRUMENT DATED MAY 7, 1999","position":2,"cik":"0001598813","reported_name":"DAGMAR DOLBY TRUST UNDER DOLBY FAMILY TRUST INSTRUMENT DATED MAY 7, 1999","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":167956,"kind":"organization","name":"MARITAL TRUST UNDER DOLBY FAMILY TRUST DATED MAY 7, 1999","position":3,"cik":"0001598817","reported_name":"MARITAL TRUST UNDER DOLBY FAMILY TRUST DATED MAY 7, 1999","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class B Common Stock","published_at":"2026-10-02T22:42:54.000Z","date":"2026-10-02","kind":"gift","planned":false,"acquired":false,"shares":24108162,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"By a trust"},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Shares of Class B Common Stock are convertible, at no cost, at any time at the election of the holder into shares of Class A Common Stock on a 1-for-1 basis."},{"field":"kind","element":"transactionCoding","label":"F2","text":"On October 2, 2026, the Marital Trust (as defined below) transferred 24,108,162 shares of Class B Common Stock to the Dagmar Dolby Trust (as defined below). Such share transfer was effected solely for tax and estate planning purposes, and was a transfer for no value without the payment or receipt of any funds or other consideration by any reporting person in exchange therefor. As a change in form of indirect beneficial ownership only, the share transfer would be exempt from the reporting requirements of Section 16(a) and the provisions of Section 16(b) of the Act. The reporting persons are voluntarily reporting the share transfer on this Form 4."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"Shares of Class B Common Stock are convertible, at no cost, at any time at the election of the holder into shares of Class A Common Stock on a 1-for-1 basis."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F1","text":"Shares of Class B Common Stock are convertible, at no cost, at any time at the election of the holder into shares of Class A Common Stock on a 1-for-1 basis."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"Reflects shares of Class B Common Stock held of record by Dagmar Dolby as the Trustee of the Marital Trust under the Dolby Family Trust instrument, dated May 7, 1999 (the \"Marital Trust\"), voting power of which is shared by the Trustee and David E. Dolby as Special Trustee of the Marital Trust. This report is filed jointly by Dagmar Dolby and the Marital Trust with respect to the securities held and transactions effected by the Dagmar Dolby Trust.The reporting person disclaims beneficial ownership of these securities except to the extent of her pecuniary interest therein."}],"balance_after":0,"derivative":{"underlying":"Class A Common Stock","underlying_shares":24108162},"source":{"system":"sec-edgar","filing":"0001193125-26-412706","document":"ownership.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1598817/000119312526412706/ownership.xml","form_type":"4"}},{"id":672860,"issuer":{"id":2518,"kind":"organization","name":"Dolby Laboratories, Inc.","symbol":"DLB"},"owners":[{"id":18687,"kind":"person","name":"Dolby Dagmar","position":1,"cik":"0001537372","reported_name":"Dolby Dagmar","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":18688,"kind":"organization","name":"DAGMAR DOLBY TRUST UNDER DOLBY FAMILY TRUST INSTRUMENT DATED MAY 7, 1999","position":2,"cik":"0001598813","reported_name":"DAGMAR DOLBY TRUST UNDER DOLBY FAMILY TRUST INSTRUMENT DATED MAY 7, 1999","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class B Common Stock","published_at":"2026-08-28T22:02:38.000Z","date":"2026-08-28","kind":"exercise","planned":false,"acquired":false,"shares":300000,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"By Trust"},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F4","text":"Shares of Class B Common Stock are convertible, at no cost, at any time at the election of the holder into shares of Class A Common Stock on a 1-for-1 basis."},{"field":"kind","element":"transactionCoding","label":"F2","text":"On August 28, 2026, the Dagmar Dolby Trust (as defined below) converted 300,000 shares of Class B Common Stock into a like number of shares of Class A Common Stock and gifted all such shares of Class A Common Stock to an unaffiliated charitable organization.  The gift transaction is exempt from Section 16(b) by virtue of Rule 16b-5 promulgated under the Securities Exchange Act of 1934, as amended (the \"Act\")."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F4","text":"Shares of Class B Common Stock are convertible, at no cost, at any time at the election of the holder into shares of Class A Common Stock on a 1-for-1 basis."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F4","text":"Shares of Class B Common Stock are convertible, at no cost, at any time at the election of the holder into shares of Class A Common Stock on a 1-for-1 basis."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"Reflects shares held of record by Dagmar Dolby as the Trustee of the Dagmar Dolby Trust under the Dolby Family Trust Instrument, dated May 7, 1999 (the \"Dagmar Dolby Trust\"), voting power of which is shared by the Trustee and David E. Dolby, son of Dagmar Dolby, as Special Trustee of the Dagmar Dolby Trust. This report is filed jointly by Dagmar Dolby and the Dagmar Dolby Trust with respect to the securities held and transactions effected by the Dagmar Dolby Trust.  The reporting person disclaims beneficial ownership of these securities except to the extent of her pecuniary interest therein."}],"balance_after":4372117,"derivative":{"underlying":"Class A Common Stock","underlying_shares":300000},"source":{"system":"sec-edgar","filing":"0001193125-26-374860","document":"ownership.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":6,"url":"https://www.sec.gov/Archives/edgar/data/1308547/000119312526374860/ownership.xml","form_type":"4"}},{"id":672859,"issuer":{"id":2518,"kind":"organization","name":"Dolby Laboratories, Inc.","symbol":"DLB"},"owners":[{"id":18687,"kind":"person","name":"Dolby Dagmar","position":1,"cik":"0001537372","reported_name":"Dolby Dagmar","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":18688,"kind":"organization","name":"DAGMAR DOLBY TRUST UNDER DOLBY FAMILY TRUST INSTRUMENT DATED MAY 7, 1999","position":2,"cik":"0001598813","reported_name":"DAGMAR DOLBY TRUST UNDER DOLBY FAMILY TRUST INSTRUMENT DATED MAY 7, 1999","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class B Common Stock","published_at":"2026-08-28T22:02:38.000Z","date":"2026-08-28","kind":"gift","planned":false,"acquired":true,"shares":1000000,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"By a trust"},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F4","text":"Shares of Class B Common Stock are convertible, at no cost, at any time at the election of the holder into shares of Class A Common Stock on a 1-for-1 basis."},{"field":"kind","element":"transactionCoding","label":"F5","text":"On August 28, 2026, the Dagmar Dolby Trust contributed a total of 2,000,000 shares of Class B Common Stock: 1,000,000 to a newly formed grantor retained annuity trust, the Dagmar Dolby 2026 Trust AA-2 (as defined below) and 1,000,000 to a newly formed grantor retained annuity trust, the Dagmar Dolby 2026 Trust BB (as defined below). Such share contributions were effected solely for tax and estate planning purposes, and were each a transfer for no value without the payment or receipt of any funds or other consideration by any reporting person in exchange therefor. As such a change in form of indirect beneficial ownership only, applicable rules consider each a share contribution to be exempt from the reporting requirements of Section 16(a) and the provisions of Section 16(b) of the Act, and as a result the reporting persons are voluntarily reporting such share contribution on this Form 4."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F4","text":"Shares of Class B Common Stock are convertible, at no cost, at any time at the election of the holder into shares of Class A Common Stock on a 1-for-1 basis."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F4","text":"Shares of Class B Common Stock are convertible, at no cost, at any time at the election of the holder into shares of Class A Common Stock on a 1-for-1 basis."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F7","text":"Reflects shares of Class B Common Stock (convertible into a like number of shares of Class A Common Stock) held of record by Dagmar Dolby as the Trustee of the Dagmar Dolby 2026 Trust BB, dated August 25, 2026 (the \"Dagmar Dolby 2026 Trust BB\"), voting power over which is held by David E. Dolby as Special Trustee of the Dagmar Dolby 2026 Trust BB. This report is filed by Dagmar Dolby with respect to the securities held by the Dagmar Dolby 2026 Trust BB. The reporting person disclaims beneficial ownership of these securities except to the extent of her pecuniary interest therein."}],"balance_after":1000000,"derivative":{"underlying":"Class A Common Stock","underlying_shares":1000000},"source":{"system":"sec-edgar","filing":"0001193125-26-374860","document":"ownership.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/1308547/000119312526374860/ownership.xml","form_type":"4"}},{"id":672858,"issuer":{"id":2518,"kind":"organization","name":"Dolby Laboratories, Inc.","symbol":"DLB"},"owners":[{"id":18687,"kind":"person","name":"Dolby Dagmar","position":1,"cik":"0001537372","reported_name":"Dolby Dagmar","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":18688,"kind":"organization","name":"DAGMAR DOLBY TRUST UNDER DOLBY FAMILY TRUST INSTRUMENT DATED MAY 7, 1999","position":2,"cik":"0001598813","reported_name":"DAGMAR DOLBY TRUST UNDER DOLBY FAMILY TRUST INSTRUMENT DATED MAY 7, 1999","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class B Common Stock","published_at":"2026-08-28T22:02:38.000Z","date":"2026-08-28","kind":"gift","planned":false,"acquired":true,"shares":1000000,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"By a trust"},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F4","text":"Shares of Class B Common Stock are convertible, at no cost, at any time at the election of the holder into shares of Class A Common Stock on a 1-for-1 basis."},{"field":"kind","element":"transactionCoding","label":"F5","text":"On August 28, 2026, the Dagmar Dolby Trust contributed a total of 2,000,000 shares of Class B Common Stock: 1,000,000 to a newly formed grantor retained annuity trust, the Dagmar Dolby 2026 Trust AA-2 (as defined below) and 1,000,000 to a newly formed grantor retained annuity trust, the Dagmar Dolby 2026 Trust BB (as defined below). Such share contributions were effected solely for tax and estate planning purposes, and were each a transfer for no value without the payment or receipt of any funds or other consideration by any reporting person in exchange therefor. As such a change in form of indirect beneficial ownership only, applicable rules consider each a share contribution to be exempt from the reporting requirements of Section 16(a) and the provisions of Section 16(b) of the Act, and as a result the reporting persons are voluntarily reporting such share contribution on this Form 4."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F4","text":"Shares of Class B Common Stock are convertible, at no cost, at any time at the election of the holder into shares of Class A Common Stock on a 1-for-1 basis."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F4","text":"Shares of Class B Common Stock are convertible, at no cost, at any time at the election of the holder into shares of Class A Common Stock on a 1-for-1 basis."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F6","text":"Reflects shares of Class B Common Stock (convertible into a like number of shares of Class A Common Stock) held of record by Dagmar Dolby as the Trustee of the Dagmar Dolby 2026 Trust AA-2, dated August 25, 2026 (the \"Dagmar Dolby 2026 Trust AA-2\"), voting power over which is held by David E. Dolby as Special Trustee of the Dagmar Dolby 2026 Trust AA-2. This report is filed by Dagmar Dolby with respect to the securities held by the Dagmar Dolby 2026 Trust AA-2. The reporting person disclaims beneficial ownership of these securities except to the extent of her pecuniary interest therein."}],"balance_after":1000000,"derivative":{"underlying":"Class A Common Stock","underlying_shares":1000000},"source":{"system":"sec-edgar","filing":"0001193125-26-374860","document":"ownership.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1308547/000119312526374860/ownership.xml","form_type":"4"}},{"id":672857,"issuer":{"id":2518,"kind":"organization","name":"Dolby Laboratories, Inc.","symbol":"DLB"},"owners":[{"id":18687,"kind":"person","name":"Dolby Dagmar","position":1,"cik":"0001537372","reported_name":"Dolby Dagmar","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":18688,"kind":"organization","name":"DAGMAR DOLBY TRUST UNDER DOLBY FAMILY TRUST INSTRUMENT DATED MAY 7, 1999","position":2,"cik":"0001598813","reported_name":"DAGMAR DOLBY TRUST UNDER DOLBY FAMILY TRUST INSTRUMENT DATED MAY 7, 1999","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class B Common Stock","published_at":"2026-08-28T22:02:38.000Z","date":"2026-08-28","kind":"gift","planned":false,"acquired":false,"shares":2000000,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"By a trust"},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F4","text":"Shares of Class B Common Stock are convertible, at no cost, at any time at the election of the holder into shares of Class A Common Stock on a 1-for-1 basis."},{"field":"kind","element":"transactionCoding","label":"F5","text":"On August 28, 2026, the Dagmar Dolby Trust contributed a total of 2,000,000 shares of Class B Common Stock: 1,000,000 to a newly formed grantor retained annuity trust, the Dagmar Dolby 2026 Trust AA-2 (as defined below) and 1,000,000 to a newly formed grantor retained annuity trust, the Dagmar Dolby 2026 Trust BB (as defined below). Such share contributions were effected solely for tax and estate planning purposes, and were each a transfer for no value without the payment or receipt of any funds or other consideration by any reporting person in exchange therefor. As such a change in form of indirect beneficial ownership only, applicable rules consider each a share contribution to be exempt from the reporting requirements of Section 16(a) and the provisions of Section 16(b) of the Act, and as a result the reporting persons are voluntarily reporting such share contribution on this Form 4."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F4","text":"Shares of Class B Common Stock are convertible, at no cost, at any time at the election of the holder into shares of Class A Common Stock on a 1-for-1 basis."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F4","text":"Shares of Class B Common Stock are convertible, at no cost, at any time at the election of the holder into shares of Class A Common Stock on a 1-for-1 basis."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"Reflects shares held of record by Dagmar Dolby as the Trustee of the Dagmar Dolby Trust under the Dolby Family Trust Instrument, dated May 7, 1999 (the \"Dagmar Dolby Trust\"), voting power of which is shared by the Trustee and David E. Dolby, son of Dagmar Dolby, as Special Trustee of the Dagmar Dolby Trust. This report is filed jointly by Dagmar Dolby and the Dagmar Dolby Trust with respect to the securities held and transactions effected by the Dagmar Dolby Trust.  The reporting person disclaims beneficial ownership of these securities except to the extent of her pecuniary interest therein."}],"balance_after":4672117,"derivative":{"underlying":"Class A Common Stock","underlying_shares":2000000},"source":{"system":"sec-edgar","filing":"0001193125-26-374860","document":"ownership.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1308547/000119312526374860/ownership.xml","form_type":"4"}},{"id":672856,"issuer":{"id":2518,"kind":"organization","name":"Dolby Laboratories, Inc.","symbol":"DLB"},"owners":[{"id":18687,"kind":"person","name":"Dolby Dagmar","position":1,"cik":"0001537372","reported_name":"Dolby Dagmar","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":18688,"kind":"organization","name":"DAGMAR DOLBY TRUST UNDER DOLBY FAMILY TRUST INSTRUMENT DATED MAY 7, 1999","position":2,"cik":"0001598813","reported_name":"DAGMAR DOLBY TRUST UNDER DOLBY FAMILY TRUST INSTRUMENT DATED MAY 7, 1999","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class A Common Stock","published_at":"2026-08-28T22:02:38.000Z","date":"2026-08-28","kind":"gift","planned":false,"acquired":false,"shares":300000,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"By Trust"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F2","text":"On August 28, 2026, the Dagmar Dolby Trust (as defined below) converted 300,000 shares of Class B Common Stock into a like number of shares of Class A Common Stock and gifted all such shares of Class A Common Stock to an unaffiliated charitable organization.  The gift transaction is exempt from Section 16(b) by virtue of Rule 16b-5 promulgated under the Securities Exchange Act of 1934, as amended (the \"Act\")."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"Reflects shares held of record by Dagmar Dolby as the Trustee of the Dagmar Dolby Trust under the Dolby Family Trust Instrument, dated May 7, 1999 (the \"Dagmar Dolby Trust\"), voting power of which is shared by the Trustee and David E. Dolby, son of Dagmar Dolby, as Special Trustee of the Dagmar Dolby Trust. This report is filed jointly by Dagmar Dolby and the Dagmar Dolby Trust with respect to the securities held and transactions effected by the Dagmar Dolby Trust.  The reporting person disclaims beneficial ownership of these securities except to the extent of her pecuniary interest therein."}],"balance_after":0,"source":{"system":"sec-edgar","filing":"0001193125-26-374860","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1308547/000119312526374860/ownership.xml","form_type":"4"}},{"id":672855,"issuer":{"id":2518,"kind":"organization","name":"Dolby Laboratories, Inc.","symbol":"DLB"},"owners":[{"id":18687,"kind":"person","name":"Dolby Dagmar","position":1,"cik":"0001537372","reported_name":"Dolby Dagmar","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":18688,"kind":"organization","name":"DAGMAR DOLBY TRUST UNDER DOLBY FAMILY TRUST INSTRUMENT DATED MAY 7, 1999","position":2,"cik":"0001598813","reported_name":"DAGMAR DOLBY TRUST UNDER DOLBY FAMILY TRUST INSTRUMENT DATED MAY 7, 1999","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class A Common Stock","published_at":"2026-08-28T22:02:38.000Z","date":"2026-08-28","kind":"exercise","planned":false,"acquired":true,"shares":300000,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"By Trust"},"footnotes":[{"field":"security","element":"securityTitle","label":"F1","text":"Each share of Class A Common Stock was issued upon conversion of one share of Class B Common Stock at the election of, and at no cost to, the reporting person."},{"field":"kind","element":"transactionCoding","label":"F2","text":"On August 28, 2026, the Dagmar Dolby Trust (as defined below) converted 300,000 shares of Class B Common Stock into a like number of shares of Class A Common Stock and gifted all such shares of Class A Common Stock to an unaffiliated charitable organization.  The gift transaction is exempt from Section 16(b) by virtue of Rule 16b-5 promulgated under the Securities Exchange Act of 1934, as amended (the \"Act\")."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"Reflects shares held of record by Dagmar Dolby as the Trustee of the Dagmar Dolby Trust under the Dolby Family Trust Instrument, dated May 7, 1999 (the \"Dagmar Dolby Trust\"), voting power of which is shared by the Trustee and David E. Dolby, son of Dagmar Dolby, as Special Trustee of the Dagmar Dolby Trust. This report is filed jointly by Dagmar Dolby and the Dagmar Dolby Trust with respect to the securities held and transactions effected by the Dagmar Dolby Trust.  The reporting person disclaims beneficial ownership of these securities except to the extent of her pecuniary interest therein."}],"balance_after":300000,"source":{"system":"sec-edgar","filing":"0001193125-26-374860","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1308547/000119312526374860/ownership.xml","form_type":"4"}},{"id":876917,"issuer":{"id":2518,"kind":"organization","name":"Dolby Laboratories, Inc.","symbol":"DLB"},"owners":[{"id":18687,"kind":"person","name":"Dolby Dagmar","position":1,"cik":"0001537372","reported_name":"Dolby Dagmar","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":18688,"kind":"organization","name":"DAGMAR DOLBY TRUST UNDER DOLBY FAMILY TRUST INSTRUMENT DATED MAY 7, 1999","position":2,"cik":"0001598813","reported_name":"DAGMAR DOLBY TRUST UNDER DOLBY FAMILY TRUST INSTRUMENT DATED MAY 7, 1999","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class B Common Stock","published_at":"2026-02-27T22:00:04.000Z","date":"2026-02-25","kind":"exercise","planned":false,"acquired":false,"shares":10000,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"By Trust"},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F4","text":"Shares of Class B Common Stock are convertible, at no cost, at any time at the election of the holder into shares of Class A Common Stock on a 1-for-1 basis."},{"field":"kind","element":"transactionCoding","label":"F2","text":"On February 25, 2025, the Dagmar Dolby Trust (as defined below) converted 10,000 shares of Class B Common Stock into a like number of shares of Class A Common Stock and gifted all such shares of Class A Common Stock to an unaffiliated charitable organization.  The gift transaction is exempt from Section 16(b) by virtue of Rule 16b-5 promulgated under the Act."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F4","text":"Shares of Class B Common Stock are convertible, at no cost, at any time at the election of the holder into shares of Class A Common Stock on a 1-for-1 basis."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F4","text":"Shares of Class B Common Stock are convertible, at no cost, at any time at the election of the holder into shares of Class A Common Stock on a 1-for-1 basis."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"Reflects shares held of record by Dagmar Dolby as the Trustee of the Dagmar Dolby Trust under the Dolby Family Trust Instrument, dated May 7, 1999 (the \"Dagmar Dolby Trust\"), voting power of which is shared by the Trustee and David E. Dolby, son of Dagmar Dolby, as Special Trustee of the Dagmar Dolby Trust. This report is filed jointly by Dagmar Dolby and the Dagmar Dolby Trust with respect to the securities held and transactions effected by the Dagmar Dolby Trust.  The reporting person disclaims beneficial ownership of these securities except to the extent of her pecuniary interest therein."}],"balance_after":6672117,"derivative":{"underlying":"Class A Common Stock","underlying_shares":10000},"source":{"system":"sec-edgar","filing":"0001193125-26-083094","document":"ownership.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/1308547/000119312526083094/ownership.xml","form_type":"4"}},{"id":876916,"issuer":{"id":2518,"kind":"organization","name":"Dolby Laboratories, Inc.","symbol":"DLB"},"owners":[{"id":18687,"kind":"person","name":"Dolby Dagmar","position":1,"cik":"0001537372","reported_name":"Dolby Dagmar","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":18688,"kind":"organization","name":"DAGMAR DOLBY TRUST UNDER DOLBY FAMILY TRUST INSTRUMENT DATED MAY 7, 1999","position":2,"cik":"0001598813","reported_name":"DAGMAR DOLBY TRUST UNDER DOLBY FAMILY TRUST INSTRUMENT DATED MAY 7, 1999","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class B Common Stock","published_at":"2026-02-27T22:00:04.000Z","date":"2026-02-25","kind":"gift","planned":false,"acquired":true,"shares":1000000,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"By a trust"},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F4","text":"Shares of Class B Common Stock are convertible, at no cost, at any time at the election of the holder into shares of Class A Common Stock on a 1-for-1 basis."},{"field":"kind","element":"transactionCoding","label":"F5","text":"On February 25, 2026, the Dagmar Dolby Trust contributed 1,000,000 shares of Class B Common Stock to a newly formed grantor retained annuity trust, the Dagmar Dolby 2026 Trust AA (as defined below). Such share contribution was effected solely for tax and estate planning purposes, and was a transfer for no value without the payment or receipt of any funds or other consideration by any reporting person in exchange therefor. As a change in form of indirect beneficial ownership only, applicable rules consider such a share contribution to be exempt from the reporting requirements of Section 16(a) and the provisions of Section 16(b) of the Act, and as a result the reporting persons are voluntarily reporting such share contribution on this Form 4."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F4","text":"Shares of Class B Common Stock are convertible, at no cost, at any time at the election of the holder into shares of Class A Common Stock on a 1-for-1 basis."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F4","text":"Shares of Class B Common Stock are convertible, at no cost, at any time at the election of the holder into shares of Class A Common Stock on a 1-for-1 basis."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F6","text":"Reflects shares of Class B Common Stock (convertible into a like number of shares of Class A Common Stock) held of record by Dagmar Dolby as the Trustee of the Dagmar Dolby 2026 Trust AA, dated February 25, 2026 (the \"Dagmar Dolby 2026 Trust AA\"), voting power over which is held by David E. Dolby as Special Trustee of the Dagmar Dolby 2026 Trust AA. This report is filed by Dagmar Dolby with respect to the securities held by the Dagmar Dolby 2026 Trust AA. The reporting person disclaims beneficial ownership of these securities except to the extent of her pecuniary interest therein."}],"balance_after":1000000,"derivative":{"underlying":"Class A Common Stock","underlying_shares":1000000},"source":{"system":"sec-edgar","filing":"0001193125-26-083094","document":"ownership.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1308547/000119312526083094/ownership.xml","form_type":"4"}},{"id":876915,"issuer":{"id":2518,"kind":"organization","name":"Dolby Laboratories, Inc.","symbol":"DLB"},"owners":[{"id":18687,"kind":"person","name":"Dolby Dagmar","position":1,"cik":"0001537372","reported_name":"Dolby Dagmar","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":18688,"kind":"organization","name":"DAGMAR DOLBY TRUST UNDER DOLBY FAMILY TRUST INSTRUMENT DATED MAY 7, 1999","position":2,"cik":"0001598813","reported_name":"DAGMAR DOLBY TRUST UNDER DOLBY FAMILY TRUST INSTRUMENT DATED MAY 7, 1999","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class B Common Stock","published_at":"2026-02-27T22:00:04.000Z","date":"2026-02-25","kind":"gift","planned":false,"acquired":false,"shares":1000000,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"By a trust"},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F4","text":"Shares of Class B Common Stock are convertible, at no cost, at any time at the election of the holder into shares of Class A Common Stock on a 1-for-1 basis."},{"field":"kind","element":"transactionCoding","label":"F5","text":"On February 25, 2026, the Dagmar Dolby Trust contributed 1,000,000 shares of Class B Common Stock to a newly formed grantor retained annuity trust, the Dagmar Dolby 2026 Trust AA (as defined below). Such share contribution was effected solely for tax and estate planning purposes, and was a transfer for no value without the payment or receipt of any funds or other consideration by any reporting person in exchange therefor. As a change in form of indirect beneficial ownership only, applicable rules consider such a share contribution to be exempt from the reporting requirements of Section 16(a) and the provisions of Section 16(b) of the Act, and as a result the reporting persons are voluntarily reporting such share contribution on this Form 4."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F4","text":"Shares of Class B Common Stock are convertible, at no cost, at any time at the election of the holder into shares of Class A Common Stock on a 1-for-1 basis."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F4","text":"Shares of Class B Common Stock are convertible, at no cost, at any time at the election of the holder into shares of Class A Common Stock on a 1-for-1 basis."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"Reflects shares held of record by Dagmar Dolby as the Trustee of the Dagmar Dolby Trust under the Dolby Family Trust Instrument, dated May 7, 1999 (the \"Dagmar Dolby Trust\"), voting power of which is shared by the Trustee and David E. Dolby, son of Dagmar Dolby, as Special Trustee of the Dagmar Dolby Trust. This report is filed jointly by Dagmar Dolby and the Dagmar Dolby Trust with respect to the securities held and transactions effected by the Dagmar Dolby Trust.  The reporting person disclaims beneficial ownership of these securities except to the extent of her pecuniary interest therein."}],"balance_after":6682117,"derivative":{"underlying":"Class A Common Stock","underlying_shares":1000000},"source":{"system":"sec-edgar","filing":"0001193125-26-083094","document":"ownership.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1308547/000119312526083094/ownership.xml","form_type":"4"}},{"id":876914,"issuer":{"id":2518,"kind":"organization","name":"Dolby Laboratories, Inc.","symbol":"DLB"},"owners":[{"id":18687,"kind":"person","name":"Dolby Dagmar","position":1,"cik":"0001537372","reported_name":"Dolby Dagmar","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":18688,"kind":"organization","name":"DAGMAR DOLBY TRUST UNDER DOLBY FAMILY TRUST INSTRUMENT DATED MAY 7, 1999","position":2,"cik":"0001598813","reported_name":"DAGMAR DOLBY TRUST UNDER DOLBY FAMILY TRUST INSTRUMENT DATED MAY 7, 1999","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class A Common Stock","published_at":"2026-02-27T22:00:04.000Z","date":"2026-02-25","kind":"gift","planned":false,"acquired":false,"shares":10000,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"By Trust"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F2","text":"On February 25, 2025, the Dagmar Dolby Trust (as defined below) converted 10,000 shares of Class B Common Stock into a like number of shares of Class A Common Stock and gifted all such shares of Class A Common Stock to an unaffiliated charitable organization.  The gift transaction is exempt from Section 16(b) by virtue of Rule 16b-5 promulgated under the Act."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"Reflects shares held of record by Dagmar Dolby as the Trustee of the Dagmar Dolby Trust under the Dolby Family Trust Instrument, dated May 7, 1999 (the \"Dagmar Dolby Trust\"), voting power of which is shared by the Trustee and David E. Dolby, son of Dagmar Dolby, as Special Trustee of the Dagmar Dolby Trust. This report is filed jointly by Dagmar Dolby and the Dagmar Dolby Trust with respect to the securities held and transactions effected by the Dagmar Dolby Trust.  The reporting person disclaims beneficial ownership of these securities except to the extent of her pecuniary interest therein."}],"balance_after":0,"source":{"system":"sec-edgar","filing":"0001193125-26-083094","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1308547/000119312526083094/ownership.xml","form_type":"4"}},{"id":876913,"issuer":{"id":2518,"kind":"organization","name":"Dolby Laboratories, Inc.","symbol":"DLB"},"owners":[{"id":18687,"kind":"person","name":"Dolby Dagmar","position":1,"cik":"0001537372","reported_name":"Dolby Dagmar","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":18688,"kind":"organization","name":"DAGMAR DOLBY TRUST UNDER DOLBY FAMILY TRUST INSTRUMENT DATED MAY 7, 1999","position":2,"cik":"0001598813","reported_name":"DAGMAR DOLBY TRUST UNDER DOLBY FAMILY TRUST INSTRUMENT DATED MAY 7, 1999","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class A Common Stock","published_at":"2026-02-27T22:00:04.000Z","date":"2026-02-25","kind":"exercise","planned":false,"acquired":true,"shares":10000,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"By Trust"},"footnotes":[{"field":"security","element":"securityTitle","label":"F1","text":"Each share of Class A Common Stock was issued upon conversion of one share of Class B Common Stock at the election of, and at no cost to, the reporting person."},{"field":"kind","element":"transactionCoding","label":"F2","text":"On February 25, 2025, the Dagmar Dolby Trust (as defined below) converted 10,000 shares of Class B Common Stock into a like number of shares of Class A Common Stock and gifted all such shares of Class A Common Stock to an unaffiliated charitable organization.  The gift transaction is exempt from Section 16(b) by virtue of Rule 16b-5 promulgated under the Act."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"Reflects shares held of record by Dagmar Dolby as the Trustee of the Dagmar Dolby Trust under the Dolby Family Trust Instrument, dated May 7, 1999 (the \"Dagmar Dolby Trust\"), voting power of which is shared by the Trustee and David E. Dolby, son of Dagmar Dolby, as Special Trustee of the Dagmar Dolby Trust. This report is filed jointly by Dagmar Dolby and the Dagmar Dolby Trust with respect to the securities held and transactions effected by the Dagmar Dolby Trust.  The reporting person disclaims beneficial ownership of these securities except to the extent of her pecuniary interest therein."}],"balance_after":10000,"source":{"system":"sec-edgar","filing":"0001193125-26-083094","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1308547/000119312526083094/ownership.xml","form_type":"4"}},{"id":904861,"issuer":{"id":2518,"kind":"organization","name":"Dolby Laboratories, Inc.","symbol":"DLB"},"owners":[{"id":18687,"kind":"person","name":"Dolby Dagmar","position":1,"cik":"0001537372","reported_name":"Dolby Dagmar","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":18688,"kind":"organization","name":"DAGMAR DOLBY TRUST UNDER DOLBY FAMILY TRUST INSTRUMENT DATED MAY 7, 1999","position":2,"cik":"0001598813","reported_name":"DAGMAR DOLBY TRUST UNDER DOLBY FAMILY TRUST INSTRUMENT DATED MAY 7, 1999","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class B Common Stock","published_at":"2026-02-13T21:30:21.000Z","date":"2026-02-11","kind":"exercise","planned":false,"acquired":false,"shares":380000,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"By Trust"},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F4","text":"Shares of Class B Common Stock are convertible, at no cost, at any time at the election of the holder into shares of Class A Common Stock on a 1-for-1 basis."},{"field":"kind","element":"transactionCoding","label":"F2","text":"On February 11, 2026, the Dagmar Dolby Trust (as defined below) converted 380,000 shares of Class B Common Stock into a like number of shares of Class A Common Stock and gifted all such shares of Class A Common Stock to an unaffiliated charitable organization.  The conversion transactions are exempt from Section 16(b) of the Securities Exchange Act of 1934 (the \"Act\") pursuant to Rule 16b-6(b) promulgated under the Act. The gift transaction is exempt from Section 16(b) by virtue of Rule 16b-5 promulgated under the Act."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F4","text":"Shares of Class B Common Stock are convertible, at no cost, at any time at the election of the holder into shares of Class A Common Stock on a 1-for-1 basis."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F4","text":"Shares of Class B Common Stock are convertible, at no cost, at any time at the election of the holder into shares of Class A Common Stock on a 1-for-1 basis."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"Reflects shares of Class B Common Stock (as converted or convertible, as applicable, into a like number of shares of Class A Common Stock) held of record by Dagmar Dolby as the Trustee of the Dagmar Dolby Trust under the Dolby Family Trust instrument, dated May 7, 1999 (the \"Dagmar Dolby Trust\"), voting power of which is shared by the Trustee and David E. Dolby as Special Trustee of the Dagmar Dolby Trust. This report is filed jointly by Dagmar Dolby and the Dagmar Dolby Trust with respect to the securities held and transactions effected by the Dagmar Dolby Trust.  The reporting person disclaims beneficial ownership of these securities except to the extent of her pecuniary interest therein."}],"balance_after":7682117,"derivative":{"underlying":"Class A Common Stock","underlying_shares":380000},"source":{"system":"sec-edgar","filing":"0001193125-26-051551","document":"ownership.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1308547/000119312526051551/ownership.xml","form_type":"4"}},{"id":904860,"issuer":{"id":2518,"kind":"organization","name":"Dolby Laboratories, Inc.","symbol":"DLB"},"owners":[{"id":18687,"kind":"person","name":"Dolby Dagmar","position":1,"cik":"0001537372","reported_name":"Dolby Dagmar","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":18688,"kind":"organization","name":"DAGMAR DOLBY TRUST UNDER DOLBY FAMILY TRUST INSTRUMENT DATED MAY 7, 1999","position":2,"cik":"0001598813","reported_name":"DAGMAR DOLBY TRUST UNDER DOLBY FAMILY TRUST INSTRUMENT DATED MAY 7, 1999","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class A Common Stock","published_at":"2026-02-13T21:30:21.000Z","date":"2026-02-11","kind":"gift","planned":false,"acquired":false,"shares":380000,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"By Trust"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F2","text":"On February 11, 2026, the Dagmar Dolby Trust (as defined below) converted 380,000 shares of Class B Common Stock into a like number of shares of Class A Common Stock and gifted all such shares of Class A Common Stock to an unaffiliated charitable organization.  The conversion transactions are exempt from Section 16(b) of the Securities Exchange Act of 1934 (the \"Act\") pursuant to Rule 16b-6(b) promulgated under the Act. The gift transaction is exempt from Section 16(b) by virtue of Rule 16b-5 promulgated under the Act."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"Reflects shares of Class B Common Stock (as converted or convertible, as applicable, into a like number of shares of Class A Common Stock) held of record by Dagmar Dolby as the Trustee of the Dagmar Dolby Trust under the Dolby Family Trust instrument, dated May 7, 1999 (the \"Dagmar Dolby Trust\"), voting power of which is shared by the Trustee and David E. Dolby as Special Trustee of the Dagmar Dolby Trust. This report is filed jointly by Dagmar Dolby and the Dagmar Dolby Trust with respect to the securities held and transactions effected by the Dagmar Dolby Trust.  The reporting person disclaims beneficial ownership of these securities except to the extent of her pecuniary interest therein."}],"balance_after":0,"source":{"system":"sec-edgar","filing":"0001193125-26-051551","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1308547/000119312526051551/ownership.xml","form_type":"4"}},{"id":904859,"issuer":{"id":2518,"kind":"organization","name":"Dolby Laboratories, Inc.","symbol":"DLB"},"owners":[{"id":18687,"kind":"person","name":"Dolby Dagmar","position":1,"cik":"0001537372","reported_name":"Dolby Dagmar","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":18688,"kind":"organization","name":"DAGMAR DOLBY TRUST UNDER DOLBY FAMILY TRUST INSTRUMENT DATED MAY 7, 1999","position":2,"cik":"0001598813","reported_name":"DAGMAR DOLBY TRUST UNDER DOLBY FAMILY TRUST INSTRUMENT DATED MAY 7, 1999","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class A Common Stock","published_at":"2026-02-13T21:30:21.000Z","date":"2026-02-11","kind":"exercise","planned":false,"acquired":true,"shares":380000,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"By Trust"},"footnotes":[{"field":"security","element":"securityTitle","label":"F1","text":"Each share of Class A Common Stock was issued upon conversion of one share of Class B Common Stock at the election of, and at no cost to, the reporting person."},{"field":"kind","element":"transactionCoding","label":"F2","text":"On February 11, 2026, the Dagmar Dolby Trust (as defined below) converted 380,000 shares of Class B Common Stock into a like number of shares of Class A Common Stock and gifted all such shares of Class A Common Stock to an unaffiliated charitable organization.  The conversion transactions are exempt from Section 16(b) of the Securities Exchange Act of 1934 (the \"Act\") pursuant to Rule 16b-6(b) promulgated under the Act. The gift transaction is exempt from Section 16(b) by virtue of Rule 16b-5 promulgated under the Act."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"Reflects shares of Class B Common Stock (as converted or convertible, as applicable, into a like number of shares of Class A Common Stock) held of record by Dagmar Dolby as the Trustee of the Dagmar Dolby Trust under the Dolby Family Trust instrument, dated May 7, 1999 (the \"Dagmar Dolby Trust\"), voting power of which is shared by the Trustee and David E. Dolby as Special Trustee of the Dagmar Dolby Trust. This report is filed jointly by Dagmar Dolby and the Dagmar Dolby Trust with respect to the securities held and transactions effected by the Dagmar Dolby Trust.  The reporting person disclaims beneficial ownership of these securities except to the extent of her pecuniary interest therein."}],"balance_after":380000,"source":{"system":"sec-edgar","filing":"0001193125-26-051551","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1308547/000119312526051551/ownership.xml","form_type":"4"}},{"id":1252471,"issuer":{"id":2518,"kind":"organization","name":"Dolby Laboratories, Inc.","symbol":"DLB"},"owners":[{"id":18687,"kind":"person","name":"Dolby Dagmar","position":1,"cik":"0001537372","reported_name":"Dolby Dagmar","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":18688,"kind":"organization","name":"DAGMAR DOLBY TRUST UNDER DOLBY FAMILY TRUST INSTRUMENT DATED MAY 7, 1999","position":2,"cik":"0001598813","reported_name":"DAGMAR DOLBY TRUST UNDER DOLBY FAMILY TRUST INSTRUMENT DATED MAY 7, 1999","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class B Common Stock","published_at":"2025-02-21T22:00:50.000Z","date":"2025-02-19","kind":"exercise","planned":false,"acquired":false,"shares":510000,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"By Trust"},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F4","text":"Shares of Class B Common Stock are convertible, at no cost, at any time at the election of the holder into shares of Class A Common Stock on a 1-for-1 basis."},{"field":"kind","element":"transactionCoding","label":"F2","text":"On February 19, 2025, the Dagmar Dolby Trust (as defined below) converted 510,000 shares of Class B Common Stock into a like number of shares of Class A Common Stock and gifted all such shares of Class A Common Stock to unaffiliated charitable organizations."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F4","text":"Shares of Class B Common Stock are convertible, at no cost, at any time at the election of the holder into shares of Class A Common Stock on a 1-for-1 basis."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F4","text":"Shares of Class B Common Stock are convertible, at no cost, at any time at the election of the holder into shares of Class A Common Stock on a 1-for-1 basis."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"Reflects shares of Class B Common Stock (as converted or convertible, as applicable, into a like number of shares of Class A Common Stock) held of record by Dagmar Dolby as the Trustee of the Dagmar Dolby Trust under the Dolby Family Trust instrument, dated May 7, 1999 (the \"Dagmar Dolby Trust\"), voting power of which is shared by the Trustee and David E. Dolby as Special Trustee of the Dagmar Dolby Trust. This report is filed jointly by Dagmar Dolby and the Dagmar Dolby Trust with respect to the securities held and transactions effected by the Dagmar Dolby Trust.  The reporting person disclaims beneficial ownership of these securities except to the extent of her pecuniary interest therein."}],"balance_after":8062117,"derivative":{"underlying":"Class A Common Stock","underlying_shares":510000},"source":{"system":"sec-edgar","filing":"0000950170-25-024962","document":"ownership.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1308547/000095017025024962/ownership.xml","form_type":"4"}},{"id":1252470,"issuer":{"id":2518,"kind":"organization","name":"Dolby Laboratories, Inc.","symbol":"DLB"},"owners":[{"id":18687,"kind":"person","name":"Dolby Dagmar","position":1,"cik":"0001537372","reported_name":"Dolby Dagmar","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":18688,"kind":"organization","name":"DAGMAR DOLBY TRUST UNDER DOLBY FAMILY TRUST INSTRUMENT DATED MAY 7, 1999","position":2,"cik":"0001598813","reported_name":"DAGMAR DOLBY TRUST UNDER DOLBY FAMILY TRUST INSTRUMENT DATED MAY 7, 1999","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class A Common Stock","published_at":"2025-02-21T22:00:50.000Z","date":"2025-02-19","kind":"gift","planned":false,"acquired":false,"shares":510000,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"By Trust"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F2","text":"On February 19, 2025, the Dagmar Dolby Trust (as defined below) converted 510,000 shares of Class B Common Stock into a like number of shares of Class A Common Stock and gifted all such shares of Class A Common Stock to unaffiliated charitable organizations."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"Reflects shares of Class B Common Stock (as converted or convertible, as applicable, into a like number of shares of Class A Common Stock) held of record by Dagmar Dolby as the Trustee of the Dagmar Dolby Trust under the Dolby Family Trust instrument, dated May 7, 1999 (the \"Dagmar Dolby Trust\"), voting power of which is shared by the Trustee and David E. Dolby as Special Trustee of the Dagmar Dolby Trust. This report is filed jointly by Dagmar Dolby and the Dagmar Dolby Trust with respect to the securities held and transactions effected by the Dagmar Dolby Trust.  The reporting person disclaims beneficial ownership of these securities except to the extent of her pecuniary interest therein."}],"balance_after":0,"source":{"system":"sec-edgar","filing":"0000950170-25-024962","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1308547/000095017025024962/ownership.xml","form_type":"4"}},{"id":1252469,"issuer":{"id":2518,"kind":"organization","name":"Dolby Laboratories, Inc.","symbol":"DLB"},"owners":[{"id":18687,"kind":"person","name":"Dolby Dagmar","position":1,"cik":"0001537372","reported_name":"Dolby Dagmar","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":18688,"kind":"organization","name":"DAGMAR DOLBY TRUST UNDER DOLBY FAMILY TRUST INSTRUMENT DATED MAY 7, 1999","position":2,"cik":"0001598813","reported_name":"DAGMAR DOLBY TRUST UNDER DOLBY FAMILY TRUST INSTRUMENT DATED MAY 7, 1999","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class A Common Stock","published_at":"2025-02-21T22:00:50.000Z","date":"2025-02-19","kind":"exercise","planned":false,"acquired":true,"shares":510000,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"By Trust"},"footnotes":[{"field":"security","element":"securityTitle","label":"F1","text":"Each share of Class A Common Stock was issued upon conversion of one share of Class B Common Stock at the election of, and at no cost to, the reporting person."},{"field":"kind","element":"transactionCoding","label":"F2","text":"On February 19, 2025, the Dagmar Dolby Trust (as defined below) converted 510,000 shares of Class B Common Stock into a like number of shares of Class A Common Stock and gifted all such shares of Class A Common Stock to unaffiliated charitable organizations."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"Reflects shares of Class B Common Stock (as converted or convertible, as applicable, into a like number of shares of Class A Common Stock) held of record by Dagmar Dolby as the Trustee of the Dagmar Dolby Trust under the Dolby Family Trust instrument, dated May 7, 1999 (the \"Dagmar Dolby Trust\"), voting power of which is shared by the Trustee and David E. Dolby as Special Trustee of the Dagmar Dolby Trust. This report is filed jointly by Dagmar Dolby and the Dagmar Dolby Trust with respect to the securities held and transactions effected by the Dagmar Dolby Trust.  The reporting person disclaims beneficial ownership of these securities except to the extent of her pecuniary interest therein."}],"balance_after":510000,"source":{"system":"sec-edgar","filing":"0000950170-25-024962","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1308547/000095017025024962/ownership.xml","form_type":"4"}},{"id":1353972,"issuer":{"id":2518,"kind":"organization","name":"Dolby Laboratories, Inc.","symbol":"DLB"},"owners":[{"id":18687,"kind":"person","name":"Dolby Dagmar","position":1,"cik":"0001537372","reported_name":"Dolby Dagmar","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":18688,"kind":"organization","name":"DAGMAR DOLBY TRUST UNDER DOLBY FAMILY TRUST INSTRUMENT DATED MAY 7, 1999","position":2,"cik":"0001598813","reported_name":"DAGMAR DOLBY TRUST UNDER DOLBY FAMILY TRUST INSTRUMENT DATED MAY 7, 1999","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class B Common Stock","published_at":"2024-11-22T23:00:04.000Z","date":"2024-11-21","kind":"exercise","planned":false,"acquired":false,"shares":500000,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"By Trust"},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F4","text":"Shares of Class B Common Stock are convertible, at no cost, at any time at the election of the holder into shares of Class A Common Stock on a 1-for-1 basis."},{"field":"kind","element":"transactionCoding","label":"F2","text":"On November 21, 2024, the Dagmar Dolby Trust (as defined below) converted 500,000 shares of Class B Common Stock into a like number of shares of Class A Common Stock and gifted all such shares of Class A Common Stock to an unaffiliated charitable organization."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F4","text":"Shares of Class B Common Stock are convertible, at no cost, at any time at the election of the holder into shares of Class A Common Stock on a 1-for-1 basis."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F4","text":"Shares of Class B Common Stock are convertible, at no cost, at any time at the election of the holder into shares of Class A Common Stock on a 1-for-1 basis."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"Reflects shares of Class B Common Stock (as converted or convertible, as applicable, into a like number of shares of Class A Common Stock) held of record by Dagmar Dolby as the Trustee of the Dagmar Dolby Trust under the Dolby Family Trust instrument, dated May 7, 1999 (the \"Dagmar Dolby Trust\"), voting power of which is shared by the Trustee and David E. Dolby as Special Trustee of the Dagmar Dolby Trust. This report is filed jointly by Dagmar Dolby and the Dagmar Dolby Trust with respect to the securities held and transactions effected by the Dagmar Dolby Trust.  The reporting person disclaims beneficial ownership of these securities except to the extent of her pecuniary interest therein."}],"balance_after":8572117,"derivative":{"underlying":"Class A Common Stock","underlying_shares":500000},"source":{"system":"sec-edgar","filing":"0000950170-24-130315","document":"ownership.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1308547/000095017024130315/ownership.xml","form_type":"4"}},{"id":1353971,"issuer":{"id":2518,"kind":"organization","name":"Dolby Laboratories, Inc.","symbol":"DLB"},"owners":[{"id":18687,"kind":"person","name":"Dolby Dagmar","position":1,"cik":"0001537372","reported_name":"Dolby Dagmar","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":18688,"kind":"organization","name":"DAGMAR DOLBY TRUST UNDER DOLBY FAMILY TRUST INSTRUMENT DATED MAY 7, 1999","position":2,"cik":"0001598813","reported_name":"DAGMAR DOLBY TRUST UNDER DOLBY FAMILY TRUST INSTRUMENT DATED MAY 7, 1999","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class A Common Stock","published_at":"2024-11-22T23:00:04.000Z","date":"2024-11-21","kind":"gift","planned":false,"acquired":false,"shares":500000,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"By Trust"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F2","text":"On November 21, 2024, the Dagmar Dolby Trust (as defined below) converted 500,000 shares of Class B Common Stock into a like number of shares of Class A Common Stock and gifted all such shares of Class A Common Stock to an unaffiliated charitable organization."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"Reflects shares of Class B Common Stock (as converted or convertible, as applicable, into a like number of shares of Class A Common Stock) held of record by Dagmar Dolby as the Trustee of the Dagmar Dolby Trust under the Dolby Family Trust instrument, dated May 7, 1999 (the \"Dagmar Dolby Trust\"), voting power of which is shared by the Trustee and David E. Dolby as Special Trustee of the Dagmar Dolby Trust. This report is filed jointly by Dagmar Dolby and the Dagmar Dolby Trust with respect to the securities held and transactions effected by the Dagmar Dolby Trust.  The reporting person disclaims beneficial ownership of these securities except to the extent of her pecuniary interest therein."}],"balance_after":0,"source":{"system":"sec-edgar","filing":"0000950170-24-130315","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1308547/000095017024130315/ownership.xml","form_type":"4"}},{"id":1353970,"issuer":{"id":2518,"kind":"organization","name":"Dolby Laboratories, Inc.","symbol":"DLB"},"owners":[{"id":18687,"kind":"person","name":"Dolby Dagmar","position":1,"cik":"0001537372","reported_name":"Dolby Dagmar","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":18688,"kind":"organization","name":"DAGMAR DOLBY TRUST UNDER DOLBY FAMILY TRUST INSTRUMENT DATED MAY 7, 1999","position":2,"cik":"0001598813","reported_name":"DAGMAR DOLBY TRUST UNDER DOLBY FAMILY TRUST INSTRUMENT DATED MAY 7, 1999","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class A Common Stock","published_at":"2024-11-22T23:00:04.000Z","date":"2024-11-21","kind":"exercise","planned":false,"acquired":true,"shares":500000,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"By Trust"},"footnotes":[{"field":"security","element":"securityTitle","label":"F1","text":"Each share of Class A Common Stock was issued upon conversion of one share of Class B Common Stock at the election of, and at no cost to, the reporting person."},{"field":"kind","element":"transactionCoding","label":"F2","text":"On November 21, 2024, the Dagmar Dolby Trust (as defined below) converted 500,000 shares of Class B Common Stock into a like number of shares of Class A Common Stock and gifted all such shares of Class A Common Stock to an unaffiliated charitable organization."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"Reflects shares of Class B Common Stock (as converted or convertible, as applicable, into a like number of shares of Class A Common Stock) held of record by Dagmar Dolby as the Trustee of the Dagmar Dolby Trust under the Dolby Family Trust instrument, dated May 7, 1999 (the \"Dagmar Dolby Trust\"), voting power of which is shared by the Trustee and David E. Dolby as Special Trustee of the Dagmar Dolby Trust. This report is filed jointly by Dagmar Dolby and the Dagmar Dolby Trust with respect to the securities held and transactions effected by the Dagmar Dolby Trust.  The reporting person disclaims beneficial ownership of these securities except to the extent of her pecuniary interest therein."}],"balance_after":500000,"source":{"system":"sec-edgar","filing":"0000950170-24-130315","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1308547/000095017024130315/ownership.xml","form_type":"4"}},{"id":1515724,"issuer":{"id":2518,"kind":"organization","name":"Dolby Laboratories, Inc.","symbol":"DLB"},"owners":[{"id":18687,"kind":"person","name":"Dolby Dagmar","position":1,"cik":"0001537372","reported_name":"Dolby Dagmar","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":18688,"kind":"organization","name":"DAGMAR DOLBY TRUST UNDER DOLBY FAMILY TRUST INSTRUMENT DATED MAY 7, 1999","position":2,"cik":"0001598813","reported_name":"DAGMAR DOLBY TRUST UNDER DOLBY FAMILY TRUST INSTRUMENT DATED MAY 7, 1999","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class B Common Stock","published_at":"2024-05-16T00:22:19.000Z","date":"2024-05-13","kind":"exercise","planned":false,"acquired":false,"shares":415000,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"By Trust"},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F4","text":"Shares of Class B Common Stock are convertible, at no cost, at any time at the election of the holder into shares of Class A Common Stock on a 1-for-1 basis."},{"field":"kind","element":"transactionCoding","label":"F2","text":"On May 13, 2024, the Dagmar Dolby Trust (as defined below) converted 415,000 shares of Class B Common Stock into a like number of shares of Class A Common Stock and gifted all such shares of Class A Common Stock to an unaffiliated charitable organization."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F4","text":"Shares of Class B Common Stock are convertible, at no cost, at any time at the election of the holder into shares of Class A Common Stock on a 1-for-1 basis."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F4","text":"Shares of Class B Common Stock are convertible, at no cost, at any time at the election of the holder into shares of Class A Common Stock on a 1-for-1 basis."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"Reflects shares of Class B Common Stock (as converted or convertible, as applicable, into a like number of shares of Class A Common Stock) held of record by Dagmar Dolby as the Trustee of the Dagmar Dolby Trust under the Dolby Family Trust instrument, dated May 7, 1999 (the \"Dagmar Dolby Trust\"), voting power of which is shared by the Trustee and David E. Dolby as Special Trustee of the Dagmar Dolby Trust. This report is filed jointly by Dagmar Dolby and the Dagmar Dolby Trust with respect to the securities held and transactions effected by the Dagmar Dolby Trust.  The reporting person disclaims beneficial ownership of these securities except to the extent of her pecuniary interest therein."}],"balance_after":9072117,"derivative":{"underlying":"Class A Common Stock","underlying_shares":415000},"source":{"system":"sec-edgar","filing":"0000950170-24-060752","document":"ownership.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1308547/000095017024060752/ownership.xml","form_type":"4"}},{"id":1515723,"issuer":{"id":2518,"kind":"organization","name":"Dolby Laboratories, Inc.","symbol":"DLB"},"owners":[{"id":18687,"kind":"person","name":"Dolby Dagmar","position":1,"cik":"0001537372","reported_name":"Dolby Dagmar","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":18688,"kind":"organization","name":"DAGMAR DOLBY TRUST UNDER DOLBY FAMILY TRUST INSTRUMENT DATED MAY 7, 1999","position":2,"cik":"0001598813","reported_name":"DAGMAR DOLBY TRUST UNDER DOLBY FAMILY TRUST INSTRUMENT DATED MAY 7, 1999","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class B Common Stock","published_at":"2024-05-16T00:22:19.000Z","date":"2024-05-13","kind":"gift","planned":false,"acquired":false,"shares":415000,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"By Trust"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F2","text":"On May 13, 2024, the Dagmar Dolby Trust (as defined below) converted 415,000 shares of Class B Common Stock into a like number of shares of Class A Common Stock and gifted all such shares of Class A Common Stock to an unaffiliated charitable organization."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"Reflects shares of Class B Common Stock (as converted or convertible, as applicable, into a like number of shares of Class A Common Stock) held of record by Dagmar Dolby as the Trustee of the Dagmar Dolby Trust under the Dolby Family Trust instrument, dated May 7, 1999 (the \"Dagmar Dolby Trust\"), voting power of which is shared by the Trustee and David E. Dolby as Special Trustee of the Dagmar Dolby Trust. This report is filed jointly by Dagmar Dolby and the Dagmar Dolby Trust with respect to the securities held and transactions effected by the Dagmar Dolby Trust.  The reporting person disclaims beneficial ownership of these securities except to the extent of her pecuniary interest therein."}],"balance_after":0,"source":{"system":"sec-edgar","filing":"0000950170-24-060752","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1308547/000095017024060752/ownership.xml","form_type":"4"}},{"id":1515722,"issuer":{"id":2518,"kind":"organization","name":"Dolby Laboratories, Inc.","symbol":"DLB"},"owners":[{"id":18687,"kind":"person","name":"Dolby Dagmar","position":1,"cik":"0001537372","reported_name":"Dolby Dagmar","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":18688,"kind":"organization","name":"DAGMAR DOLBY TRUST UNDER DOLBY FAMILY TRUST INSTRUMENT DATED MAY 7, 1999","position":2,"cik":"0001598813","reported_name":"DAGMAR DOLBY TRUST UNDER DOLBY FAMILY TRUST INSTRUMENT DATED MAY 7, 1999","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class B Common Stock","published_at":"2024-05-16T00:22:19.000Z","date":"2024-05-13","kind":"exercise","planned":false,"acquired":true,"shares":415000,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"By Trust"},"footnotes":[{"field":"security","element":"securityTitle","label":"F1","text":"Each share of Class A Common Stock was issued upon conversion of one share of Class B Common Stock at the election of, and at no cost to, the reporting person."},{"field":"kind","element":"transactionCoding","label":"F2","text":"On May 13, 2024, the Dagmar Dolby Trust (as defined below) converted 415,000 shares of Class B Common Stock into a like number of shares of Class A Common Stock and gifted all such shares of Class A Common Stock to an unaffiliated charitable organization."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"Reflects shares of Class B Common Stock (as converted or convertible, as applicable, into a like number of shares of Class A Common Stock) held of record by Dagmar Dolby as the Trustee of the Dagmar Dolby Trust under the Dolby Family Trust instrument, dated May 7, 1999 (the \"Dagmar Dolby Trust\"), voting power of which is shared by the Trustee and David E. Dolby as Special Trustee of the Dagmar Dolby Trust. This report is filed jointly by Dagmar Dolby and the Dagmar Dolby Trust with respect to the securities held and transactions effected by the Dagmar Dolby Trust.  The reporting person disclaims beneficial ownership of these securities except to the extent of her pecuniary interest therein."}],"balance_after":415000,"source":{"system":"sec-edgar","filing":"0000950170-24-060752","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1308547/000095017024060752/ownership.xml","form_type":"4"}},{"id":2491907,"issuer":{"id":2518,"kind":"organization","name":"Dolby Laboratories, Inc.","symbol":"DLB"},"owners":[{"id":18687,"kind":"person","name":"Dolby Dagmar","position":1,"cik":"0001537372","reported_name":"Dolby Dagmar","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":18688,"kind":"organization","name":"DAGMAR DOLBY TRUST UNDER DOLBY FAMILY TRUST INSTRUMENT DATED MAY 7, 1999","position":2,"cik":"0001598813","reported_name":"DAGMAR DOLBY TRUST UNDER DOLBY FAMILY TRUST INSTRUMENT DATED MAY 7, 1999","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class B Common Stock","published_at":"2021-12-01T02:14:00.000Z","date":"2021-11-29","kind":"other","acquired":true,"shares":1427000,"price":85.635,"value":122201145.0,"ownership":{"direct":false,"nature":"By Trust"},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Shares of Class B Common Stock are convertible, at no cost, at any time at the election of the holder into shares of Class A Common Stock on a 1-for-1 basis."},{"field":"kind","element":"transactionCoding","label":"F5","text":"On November 29, 2021, 1,427,000 shares of Class B Common Stock that were previously held indirectly by the Dagmar Dolby 2020 Trust BB-2 were transferred to the Dagmar Dolby Trust in exchange for assets of equal value.  As such, these securities are beneficially owned by the Dagmar Dolby Trust."},{"field":"price","element":"transactionPricePerShare","label":"F6","text":"The shares exchanged from the Dagmar Dolby 2020 Trust BB-2 were valued at $85.635 per share, the mean of the high and low trading price for the Class A Common Stock on November 29, 2021, for such purpose."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"Shares of Class B Common Stock are convertible, at no cost, at any time at the election of the holder into shares of Class A Common Stock on a 1-for-1 basis."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F1","text":"Shares of Class B Common Stock are convertible, at no cost, at any time at the election of the holder into shares of Class A Common Stock on a 1-for-1 basis."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F4","text":"Reflects shares of Class B Common Stock (as converted or convertible, as applicable, into a like number of shares of Class A Common Stock) held of record by Dagmar Dolby as the Trustee of the Dagmar Dolby Trust under the Dolby Family Trust instrument, dated May 7, 1999 (the \"Dagmar Dolby Trust\"), voting power over which is shared by the Trustee and David E. Dolby as Special Trustee of the Dagmar Dolby Trust. This report is filed jointly by Dagmar Dolby and the Dagmar Dolby Trust with respect to the securities held and transactions effected by the Dagmar Dolby Trust.  The reporting persons disclaim beneficial ownership of these securities except to the extent of their respective pecuniary interest therein."}],"balance_after":9487117,"derivative":{"underlying":"Class A Common Stock","underlying_shares":1427000},"source":{"system":"sec-edgar","filing":"0001209191-21-067228","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1308547/000120919121067228/doc4.xml","form_type":"4"}},{"id":2491906,"issuer":{"id":2518,"kind":"organization","name":"Dolby Laboratories, Inc.","symbol":"DLB"},"owners":[{"id":18687,"kind":"person","name":"Dolby Dagmar","position":1,"cik":"0001537372","reported_name":"Dolby Dagmar","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":18688,"kind":"organization","name":"DAGMAR DOLBY TRUST UNDER DOLBY FAMILY TRUST INSTRUMENT DATED MAY 7, 1999","position":2,"cik":"0001598813","reported_name":"DAGMAR DOLBY TRUST UNDER DOLBY FAMILY TRUST INSTRUMENT DATED MAY 7, 1999","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class B Common Stock","published_at":"2021-12-01T02:14:00.000Z","date":"2021-11-29","kind":"other","acquired":false,"shares":1427000,"price":85.635,"value":122201145.0,"ownership":{"direct":false,"nature":"By Trust"},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Shares of Class B Common Stock are convertible, at no cost, at any time at the election of the holder into shares of Class A Common Stock on a 1-for-1 basis."},{"field":"kind","element":"transactionCoding","label":"F5","text":"On November 29, 2021, 1,427,000 shares of Class B Common Stock that were previously held indirectly by the Dagmar Dolby 2020 Trust BB-2 were transferred to the Dagmar Dolby Trust in exchange for assets of equal value.  As such, these securities are beneficially owned by the Dagmar Dolby Trust."},{"field":"price","element":"transactionPricePerShare","label":"F6","text":"The shares exchanged from the Dagmar Dolby 2020 Trust BB-2 were valued at $85.635 per share, the mean of the high and low trading price for the Class A Common Stock on November 29, 2021, for such purpose."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"Shares of Class B Common Stock are convertible, at no cost, at any time at the election of the holder into shares of Class A Common Stock on a 1-for-1 basis."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F1","text":"Shares of Class B Common Stock are convertible, at no cost, at any time at the election of the holder into shares of Class A Common Stock on a 1-for-1 basis."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"Reflects shares of Class B Common Stock (convertible into a like number of shares of Class A Common Stock) held of record by Dagmar Dolby as the Trustee of the Dagmar Dolby 2020 Trust BB-2, dated November 18, 2020 (the \"Dagmar Dolby 2020 Trust BB-2\"), voting power over which is held by David E. Dolby, son of Dagmar Dolby, as Special Trustee of the Dagmar Dolby 2020 Trust BB-2. This report is filed by Dagmar Dolby with respect to the securities held by the Dagmar Dolby 2020 Trust BB-2. The reporting person disclaims beneficial ownership of these securities except to the extent of her pecuniary interest therein."}],"balance_after":0,"derivative":{"underlying":"Class A Common Stock","underlying_shares":1427000},"source":{"system":"sec-edgar","filing":"0001209191-21-067228","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1308547/000120919121067228/doc4.xml","form_type":"4"}},{"id":2491905,"issuer":{"id":2518,"kind":"organization","name":"Dolby Laboratories, Inc.","symbol":"DLB"},"owners":[{"id":18687,"kind":"person","name":"Dolby Dagmar","position":1,"cik":"0001537372","reported_name":"Dolby Dagmar","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":18688,"kind":"organization","name":"DAGMAR DOLBY TRUST UNDER DOLBY FAMILY TRUST INSTRUMENT DATED MAY 7, 1999","position":2,"cik":"0001598813","reported_name":"DAGMAR DOLBY TRUST UNDER DOLBY FAMILY TRUST INSTRUMENT DATED MAY 7, 1999","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class B Common Stock","published_at":"2021-12-01T02:14:00.000Z","date":"2021-11-29","kind":"gift","acquired":true,"shares":1573000,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"By Trust"},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Shares of Class B Common Stock are convertible, at no cost, at any time at the election of the holder into shares of Class A Common Stock on a 1-for-1 basis."},{"field":"kind","element":"transactionCoding","label":"F2","text":"On November 29, 2021, the Dagmar Dolby 2020 Trust BB-2 (as defined below), which is a grantor retained annuity trust, transferred 1,573,000 shares of Class B Common Stock to the Dagmar Dolby Trust (as defined below). Such share transfer was effected in satisfaction of the annuity payment requirements, and in accordance with the terms, of the Dagmar Dolby 2020-B Trust BB's trust instrument, and was a transfer for no value without the payment or receipt of any funds or other consideration by any reporting person in exchange therefor. Applicable rules consider such a share transfer to be exempt from the reporting requirements of Section 16(a) and the provisions of Section 16(b) of the Securities Exchange Act of 1934, as amended (the \"Exchange Act\"), and as a result the reporting persons are voluntarily reporting such share transfer on this Form 4."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"Shares of Class B Common Stock are convertible, at no cost, at any time at the election of the holder into shares of Class A Common Stock on a 1-for-1 basis."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F1","text":"Shares of Class B Common Stock are convertible, at no cost, at any time at the election of the holder into shares of Class A Common Stock on a 1-for-1 basis."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F4","text":"Reflects shares of Class B Common Stock (as converted or convertible, as applicable, into a like number of shares of Class A Common Stock) held of record by Dagmar Dolby as the Trustee of the Dagmar Dolby Trust under the Dolby Family Trust instrument, dated May 7, 1999 (the \"Dagmar Dolby Trust\"), voting power over which is shared by the Trustee and David E. Dolby as Special Trustee of the Dagmar Dolby Trust. This report is filed jointly by Dagmar Dolby and the Dagmar Dolby Trust with respect to the securities held and transactions effected by the Dagmar Dolby Trust.  The reporting persons disclaim beneficial ownership of these securities except to the extent of their respective pecuniary interest therein."}],"balance_after":8060117,"derivative":{"underlying":"Class A Common Stock","underlying_shares":1573000},"source":{"system":"sec-edgar","filing":"0001209191-21-067228","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1308547/000120919121067228/doc4.xml","form_type":"4"}},{"id":2491904,"issuer":{"id":2518,"kind":"organization","name":"Dolby Laboratories, Inc.","symbol":"DLB"},"owners":[{"id":18687,"kind":"person","name":"Dolby Dagmar","position":1,"cik":"0001537372","reported_name":"Dolby Dagmar","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":18688,"kind":"organization","name":"DAGMAR DOLBY TRUST UNDER DOLBY FAMILY TRUST INSTRUMENT DATED MAY 7, 1999","position":2,"cik":"0001598813","reported_name":"DAGMAR DOLBY TRUST UNDER DOLBY FAMILY TRUST INSTRUMENT DATED MAY 7, 1999","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class B Common Stock","published_at":"2021-12-01T02:14:00.000Z","date":"2021-11-29","kind":"gift","acquired":false,"shares":1573000,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"By Trust"},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Shares of Class B Common Stock are convertible, at no cost, at any time at the election of the holder into shares of Class A Common Stock on a 1-for-1 basis."},{"field":"kind","element":"transactionCoding","label":"F2","text":"On November 29, 2021, the Dagmar Dolby 2020 Trust BB-2 (as defined below), which is a grantor retained annuity trust, transferred 1,573,000 shares of Class B Common Stock to the Dagmar Dolby Trust (as defined below). Such share transfer was effected in satisfaction of the annuity payment requirements, and in accordance with the terms, of the Dagmar Dolby 2020-B Trust BB's trust instrument, and was a transfer for no value without the payment or receipt of any funds or other consideration by any reporting person in exchange therefor. Applicable rules consider such a share transfer to be exempt from the reporting requirements of Section 16(a) and the provisions of Section 16(b) of the Securities Exchange Act of 1934, as amended (the \"Exchange Act\"), and as a result the reporting persons are voluntarily reporting such share transfer on this Form 4."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"Shares of Class B Common Stock are convertible, at no cost, at any time at the election of the holder into shares of Class A Common Stock on a 1-for-1 basis."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F1","text":"Shares of Class B Common Stock are convertible, at no cost, at any time at the election of the holder into shares of Class A Common Stock on a 1-for-1 basis."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"Reflects shares of Class B Common Stock (convertible into a like number of shares of Class A Common Stock) held of record by Dagmar Dolby as the Trustee of the Dagmar Dolby 2020 Trust BB-2, dated November 18, 2020 (the \"Dagmar Dolby 2020 Trust BB-2\"), voting power over which is held by David E. Dolby, son of Dagmar Dolby, as Special Trustee of the Dagmar Dolby 2020 Trust BB-2. This report is filed by Dagmar Dolby with respect to the securities held by the Dagmar Dolby 2020 Trust BB-2. The reporting person disclaims beneficial ownership of these securities except to the extent of her pecuniary interest therein."}],"balance_after":1427000,"derivative":{"underlying":"Class A Common Stock","underlying_shares":1573000},"source":{"system":"sec-edgar","filing":"0001209191-21-067228","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1308547/000120919121067228/doc4.xml","form_type":"4"}},{"id":2682705,"issuer":{"id":2518,"kind":"organization","name":"Dolby Laboratories, Inc.","symbol":"DLB"},"owners":[{"id":18687,"kind":"person","name":"Dolby Dagmar","position":1,"cik":"0001537372","reported_name":"Dolby Dagmar","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":18688,"kind":"organization","name":"DAGMAR DOLBY TRUST UNDER DOLBY FAMILY TRUST INSTRUMENT DATED MAY 7, 1999","position":2,"cik":"0001598813","reported_name":"DAGMAR DOLBY TRUST UNDER DOLBY FAMILY TRUST INSTRUMENT DATED MAY 7, 1999","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class B Common Stock","published_at":"2021-06-03T22:07:34.000Z","date":"2021-06-01","kind":"exercise","acquired":false,"shares":21000,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"By Trust"},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F4","text":"Shares of Class B Common Stock are convertible, at no cost, at any time at the election of the holder into shares of Class A Common Stock on a 1-for-1 basis."},{"field":"kind","element":"transactionCoding","label":"F2","text":"On June 1, 2021, the Dagmar Dolby Trust (as defined below) converted 21,000 shares of Class B Common Stock into a like number of shares of Class A Common Stock and gifted all such shares of Class A Common Stock to an unaffiliated charitable organization."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F4","text":"Shares of Class B Common Stock are convertible, at no cost, at any time at the election of the holder into shares of Class A Common Stock on a 1-for-1 basis."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F4","text":"Shares of Class B Common Stock are convertible, at no cost, at any time at the election of the holder into shares of Class A Common Stock on a 1-for-1 basis."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"Reflects shares of Class B Common Stock (as converted or convertible, as applicable, into a like number of shares of Class A Common Stock) held of record by Dagmar Dolby as the Trustee of the Dagmar Dolby Trust under the Dolby Family Trust instrument, dated May 7, 1999 (the \"Dagmar Dolby Trust\"), voting power over which is shared by the Trustee and David E. Dolby, son of Dagmar Dolby, as Special Trustee of the Dagmar Dolby Trust. This report is filed jointly by Dagmar Dolby and the Dagmar Dolby Trust with respect to the securities held and transactions effected by the Dagmar Dolby Trust. The reporting persons disclaim beneficial ownership of these securities except to the extent of their respective pecuniary interest therein."}],"balance_after":6487117,"derivative":{"underlying":"Class A Common Stock","underlying_shares":21000},"source":{"system":"sec-edgar","filing":"0001209191-21-037860","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1308547/000120919121037860/doc4.xml","form_type":"4"}},{"id":2682704,"issuer":{"id":2518,"kind":"organization","name":"Dolby Laboratories, Inc.","symbol":"DLB"},"owners":[{"id":18687,"kind":"person","name":"Dolby Dagmar","position":1,"cik":"0001537372","reported_name":"Dolby Dagmar","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":18688,"kind":"organization","name":"DAGMAR DOLBY TRUST UNDER DOLBY FAMILY TRUST INSTRUMENT DATED MAY 7, 1999","position":2,"cik":"0001598813","reported_name":"DAGMAR DOLBY TRUST UNDER DOLBY FAMILY TRUST INSTRUMENT DATED MAY 7, 1999","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class A Common Stock","published_at":"2021-06-03T22:07:34.000Z","date":"2021-06-01","kind":"gift","acquired":false,"shares":21000,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"By Trust"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F2","text":"On June 1, 2021, the Dagmar Dolby Trust (as defined below) converted 21,000 shares of Class B Common Stock into a like number of shares of Class A Common Stock and gifted all such shares of Class A Common Stock to an unaffiliated charitable organization."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"Reflects shares of Class B Common Stock (as converted or convertible, as applicable, into a like number of shares of Class A Common Stock) held of record by Dagmar Dolby as the Trustee of the Dagmar Dolby Trust under the Dolby Family Trust instrument, dated May 7, 1999 (the \"Dagmar Dolby Trust\"), voting power over which is shared by the Trustee and David E. Dolby, son of Dagmar Dolby, as Special Trustee of the Dagmar Dolby Trust. This report is filed jointly by Dagmar Dolby and the Dagmar Dolby Trust with respect to the securities held and transactions effected by the Dagmar Dolby Trust. The reporting persons disclaim beneficial ownership of these securities except to the extent of their respective pecuniary interest therein."}],"balance_after":0,"source":{"system":"sec-edgar","filing":"0001209191-21-037860","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1308547/000120919121037860/doc4.xml","form_type":"4"}},{"id":2682703,"issuer":{"id":2518,"kind":"organization","name":"Dolby Laboratories, Inc.","symbol":"DLB"},"owners":[{"id":18687,"kind":"person","name":"Dolby Dagmar","position":1,"cik":"0001537372","reported_name":"Dolby Dagmar","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":18688,"kind":"organization","name":"DAGMAR DOLBY TRUST UNDER DOLBY FAMILY TRUST INSTRUMENT DATED MAY 7, 1999","position":2,"cik":"0001598813","reported_name":"DAGMAR DOLBY TRUST UNDER DOLBY FAMILY TRUST INSTRUMENT DATED MAY 7, 1999","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class A Common Stock","published_at":"2021-06-03T22:07:34.000Z","date":"2021-06-01","kind":"exercise","acquired":true,"shares":21000,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"By Trust"},"footnotes":[{"field":"security","element":"securityTitle","label":"F1","text":"Each share of Class A Common Stock issued upon conversion of one share of Class B Common Stock at the election of, and at no cost to, the holder."},{"field":"kind","element":"transactionCoding","label":"F2","text":"On June 1, 2021, the Dagmar Dolby Trust (as defined below) converted 21,000 shares of Class B Common Stock into a like number of shares of Class A Common Stock and gifted all such shares of Class A Common Stock to an unaffiliated charitable organization."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"Reflects shares of Class B Common Stock (as converted or convertible, as applicable, into a like number of shares of Class A Common Stock) held of record by Dagmar Dolby as the Trustee of the Dagmar Dolby Trust under the Dolby Family Trust instrument, dated May 7, 1999 (the \"Dagmar Dolby Trust\"), voting power over which is shared by the Trustee and David E. Dolby, son of Dagmar Dolby, as Special Trustee of the Dagmar Dolby Trust. This report is filed jointly by Dagmar Dolby and the Dagmar Dolby Trust with respect to the securities held and transactions effected by the Dagmar Dolby Trust. The reporting persons disclaim beneficial ownership of these securities except to the extent of their respective pecuniary interest therein."}],"balance_after":21000,"source":{"system":"sec-edgar","filing":"0001209191-21-037860","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1308547/000120919121037860/doc4.xml","form_type":"4"}},{"id":2781447,"issuer":{"id":2518,"kind":"organization","name":"Dolby Laboratories, Inc.","symbol":"DLB"},"owners":[{"id":18687,"kind":"person","name":"Dolby Dagmar","position":1,"cik":"0001537372","reported_name":"Dolby Dagmar","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":18688,"kind":"organization","name":"DAGMAR DOLBY TRUST UNDER DOLBY FAMILY TRUST INSTRUMENT DATED MAY 7, 1999","position":2,"cik":"0001598813","reported_name":"DAGMAR DOLBY TRUST UNDER DOLBY FAMILY TRUST INSTRUMENT DATED MAY 7, 1999","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class B Common Stock","published_at":"2021-03-17T20:03:15.000Z","date":"2021-03-17","kind":"exercise","acquired":false,"shares":18500,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"By Trust"},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F4","text":"Shares of Class B Common Stock are convertible, at no cost, at any time at the election of the holder into shares of Class A Common Stock on a 1-for-1 basis."},{"field":"kind","element":"transactionCoding","label":"F2","text":"On March 17, 2021, the Dagmar Dolby Trust (as defined below) converted 18,500 shares of Class B Common Stock into a like number of shares of Class A Common Stock and gifted all such shares of Class A Common Stock to an unaffiliated charitable organization."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F4","text":"Shares of Class B Common Stock are convertible, at no cost, at any time at the election of the holder into shares of Class A Common Stock on a 1-for-1 basis."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F4","text":"Shares of Class B Common Stock are convertible, at no cost, at any time at the election of the holder into shares of Class A Common Stock on a 1-for-1 basis."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"Reflects shares of Class B Common Stock (as converted or convertible, as applicable, into a like number of shares of Class A Common Stock) held of record by Dagmar Dolby as the Trustee of the Dagmar Dolby Trust under the Dolby Family Trust instrument, dated May 7, 1999 (the \"Dagmar Dolby Trust\"), voting power over which is shared by the Trustee and David E. Dolby, son of Dagmar Dolby, as Special Trustee of the Dagmar Dolby Trust. This report is filed jointly by Dagmar Dolby and the Dagmar Dolby Trust with respect to the securities held and transactions effected by the Dagmar Dolby Trust. The reporting persons disclaim beneficial ownership of these securities except to the extent of their respective pecuniary interest therein."}],"balance_after":6508117,"derivative":{"underlying":"Class A Common Stock","underlying_shares":18500},"source":{"system":"sec-edgar","filing":"0001209191-21-021297","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1308547/000120919121021297/doc4.xml","form_type":"4"}},{"id":2781446,"issuer":{"id":2518,"kind":"organization","name":"Dolby Laboratories, Inc.","symbol":"DLB"},"owners":[{"id":18687,"kind":"person","name":"Dolby Dagmar","position":1,"cik":"0001537372","reported_name":"Dolby Dagmar","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":18688,"kind":"organization","name":"DAGMAR DOLBY TRUST UNDER DOLBY FAMILY TRUST INSTRUMENT DATED MAY 7, 1999","position":2,"cik":"0001598813","reported_name":"DAGMAR DOLBY TRUST UNDER DOLBY FAMILY TRUST INSTRUMENT DATED MAY 7, 1999","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class A Common Stock","published_at":"2021-03-17T20:03:15.000Z","date":"2021-03-17","kind":"gift","acquired":false,"shares":18500,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"By Trust"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F2","text":"On March 17, 2021, the Dagmar Dolby Trust (as defined below) converted 18,500 shares of Class B Common Stock into a like number of shares of Class A Common Stock and gifted all such shares of Class A Common Stock to an unaffiliated charitable organization."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"Reflects shares of Class B Common Stock (as converted or convertible, as applicable, into a like number of shares of Class A Common Stock) held of record by Dagmar Dolby as the Trustee of the Dagmar Dolby Trust under the Dolby Family Trust instrument, dated May 7, 1999 (the \"Dagmar Dolby Trust\"), voting power over which is shared by the Trustee and David E. Dolby, son of Dagmar Dolby, as Special Trustee of the Dagmar Dolby Trust. This report is filed jointly by Dagmar Dolby and the Dagmar Dolby Trust with respect to the securities held and transactions effected by the Dagmar Dolby Trust. The reporting persons disclaim beneficial ownership of these securities except to the extent of their respective pecuniary interest therein."}],"balance_after":0,"source":{"system":"sec-edgar","filing":"0001209191-21-021297","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1308547/000120919121021297/doc4.xml","form_type":"4"}},{"id":2781445,"issuer":{"id":2518,"kind":"organization","name":"Dolby Laboratories, Inc.","symbol":"DLB"},"owners":[{"id":18687,"kind":"person","name":"Dolby Dagmar","position":1,"cik":"0001537372","reported_name":"Dolby Dagmar","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":18688,"kind":"organization","name":"DAGMAR DOLBY TRUST UNDER DOLBY FAMILY TRUST INSTRUMENT DATED MAY 7, 1999","position":2,"cik":"0001598813","reported_name":"DAGMAR DOLBY TRUST UNDER DOLBY FAMILY TRUST INSTRUMENT DATED MAY 7, 1999","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class A Common Stock","published_at":"2021-03-17T20:03:15.000Z","date":"2021-03-17","kind":"exercise","acquired":true,"shares":18500,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"By Trust"},"footnotes":[{"field":"security","element":"securityTitle","label":"F1","text":"Each share of Class A Common Stock issued upon conversion of one share of Class B Common Stock at the election of, and at no cost to, the holder."},{"field":"kind","element":"transactionCoding","label":"F2","text":"On March 17, 2021, the Dagmar Dolby Trust (as defined below) converted 18,500 shares of Class B Common Stock into a like number of shares of Class A Common Stock and gifted all such shares of Class A Common Stock to an unaffiliated charitable organization."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"Reflects shares of Class B Common Stock (as converted or convertible, as applicable, into a like number of shares of Class A Common Stock) held of record by Dagmar Dolby as the Trustee of the Dagmar Dolby Trust under the Dolby Family Trust instrument, dated May 7, 1999 (the \"Dagmar Dolby Trust\"), voting power over which is shared by the Trustee and David E. Dolby, son of Dagmar Dolby, as Special Trustee of the Dagmar Dolby Trust. This report is filed jointly by Dagmar Dolby and the Dagmar Dolby Trust with respect to the securities held and transactions effected by the Dagmar Dolby Trust. The reporting persons disclaim beneficial ownership of these securities except to the extent of their respective pecuniary interest therein."}],"balance_after":18500,"source":{"system":"sec-edgar","filing":"0001209191-21-021297","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1308547/000120919121021297/doc4.xml","form_type":"4"}},{"id":2971013,"issuer":{"id":2518,"kind":"organization","name":"Dolby Laboratories, Inc.","symbol":"DLB"},"owners":[{"id":18687,"kind":"person","name":"Dolby Dagmar","position":1,"cik":"0001537372","reported_name":"Dolby Dagmar","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":18688,"kind":"organization","name":"DAGMAR DOLBY TRUST UNDER DOLBY FAMILY TRUST INSTRUMENT DATED MAY 7, 1999","position":2,"cik":"0001598813","reported_name":"DAGMAR DOLBY TRUST UNDER DOLBY FAMILY TRUST INSTRUMENT DATED MAY 7, 1999","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class B Common Stock","published_at":"2020-11-20T21:27:07.000Z","date":"2020-11-18","kind":"gift","acquired":true,"shares":3000000,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"By Trust"},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Shares of Class B Common Stock are convertible, at no cost, at any time at the election of the holder into shares of Class A Common Stock on a 1-for-1 basis."},{"field":"kind","element":"transactionCoding","label":"F6","text":"On November 18, 2020, the Dagmar Dolby Trust contributed 3,000,000 shares of Class B Common Stock to a newly formed grantor retained annuity trust, the Dagmar Dolby 2020 Trust BB-2 (as defined below). Such share contribution was effected solely for tax and estate planning purposes, and was a transfer for no value without the payment or receipt of any funds or other consideration by any reporting person in exchange therefor. Applicable rules consider such a share contribution to be exempt from the reporting requirements of Section 16(a) and the provisions of Section 16(b) of the Securities Exchange Act of 1934, and as a result the reporting persons are voluntarily reporting such share contribution on this Form 4."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"Shares of Class B Common Stock are convertible, at no cost, at any time at the election of the holder into shares of Class A Common Stock on a 1-for-1 basis."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F1","text":"Shares of Class B Common Stock are convertible, at no cost, at any time at the election of the holder into shares of Class A Common Stock on a 1-for-1 basis."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F7","text":"Reflects shares of Class B Common Stock (convertible into a like number of shares of Class A Common Stock) held of record by Dagmar Dolby as the Trustee of the Dagmar Dolby 2020 Trust BB-2, dated November 18, 2020 (the \"Dagmar Dolby 2020 Trust BB-2\"), voting power over which is held by David E. Dolby as Special Trustee of the Dagmar Dolby 2020 Trust BB-2. This report is filed by Dagmar Dolby with respect to the securities held by the Dagmar Dolby 2020 Trust BB-2. The reporting person disclaims beneficial ownership of these securities except to the extent of her pecuniary interest therein."}],"balance_after":3000000,"derivative":{"underlying":"Class A Common Stock","underlying_shares":3000000},"source":{"system":"sec-edgar","filing":"0001209191-20-059653","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1308547/000120919120059653/doc4.xml","form_type":"4"}},{"id":2971012,"issuer":{"id":2518,"kind":"organization","name":"Dolby Laboratories, Inc.","symbol":"DLB"},"owners":[{"id":18687,"kind":"person","name":"Dolby Dagmar","position":1,"cik":"0001537372","reported_name":"Dolby Dagmar","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":18688,"kind":"organization","name":"DAGMAR DOLBY TRUST UNDER DOLBY FAMILY TRUST INSTRUMENT DATED MAY 7, 1999","position":2,"cik":"0001598813","reported_name":"DAGMAR DOLBY TRUST UNDER DOLBY FAMILY TRUST INSTRUMENT DATED MAY 7, 1999","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class B Common Stock","published_at":"2020-11-20T21:27:07.000Z","date":"2020-11-18","kind":"gift","acquired":false,"shares":3000000,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"By Trust"},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Shares of Class B Common Stock are convertible, at no cost, at any time at the election of the holder into shares of Class A Common Stock on a 1-for-1 basis."},{"field":"kind","element":"transactionCoding","label":"F6","text":"On November 18, 2020, the Dagmar Dolby Trust contributed 3,000,000 shares of Class B Common Stock to a newly formed grantor retained annuity trust, the Dagmar Dolby 2020 Trust BB-2 (as defined below). Such share contribution was effected solely for tax and estate planning purposes, and was a transfer for no value without the payment or receipt of any funds or other consideration by any reporting person in exchange therefor. Applicable rules consider such a share contribution to be exempt from the reporting requirements of Section 16(a) and the provisions of Section 16(b) of the Securities Exchange Act of 1934, and as a result the reporting persons are voluntarily reporting such share contribution on this Form 4."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"Shares of Class B Common Stock are convertible, at no cost, at any time at the election of the holder into shares of Class A Common Stock on a 1-for-1 basis."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F1","text":"Shares of Class B Common Stock are convertible, at no cost, at any time at the election of the holder into shares of Class A Common Stock on a 1-for-1 basis."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F4","text":"Reflects shares of Class B Common Stock (as converted or convertible, as applicable, into a like number of shares of Class A Common Stock) held of record by Dagmar Dolby as the Trustee of the Dagmar Dolby Trust under the Dolby Family Trust instrument, dated May 7, 1999 (the \"Dagmar Dolby Trust\"), voting power over which is shared by the Trustee and David E. Dolby, son of Dagmar Dolby, as Special Trustee of the Dagmar Dolby Trust. This report is filed jointly by Dagmar Dolby and the Dagmar Dolby Trust with respect to the securities held and transactions effected by the Dagmar Dolby Trust.  The reporting persons disclaim beneficial ownership of these securities except to the extent of their respective pecuniary interest therein."}],"balance_after":6526617,"derivative":{"underlying":"Class A Common Stock","underlying_shares":3000000},"source":{"system":"sec-edgar","filing":"0001209191-20-059653","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1308547/000120919120059653/doc4.xml","form_type":"4"}},{"id":2971011,"issuer":{"id":2518,"kind":"organization","name":"Dolby Laboratories, Inc.","symbol":"DLB"},"owners":[{"id":18687,"kind":"person","name":"Dolby Dagmar","position":1,"cik":"0001537372","reported_name":"Dolby Dagmar","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":18688,"kind":"organization","name":"DAGMAR DOLBY TRUST UNDER DOLBY FAMILY TRUST INSTRUMENT DATED MAY 7, 1999","position":2,"cik":"0001598813","reported_name":"DAGMAR DOLBY TRUST UNDER DOLBY FAMILY TRUST INSTRUMENT DATED MAY 7, 1999","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class B Common Stock","published_at":"2020-11-20T21:27:07.000Z","date":"2020-11-18","kind":"other","acquired":true,"shares":1800000,"price":89.355,"value":160839000.0,"ownership":{"direct":false,"nature":"By Trust"},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Shares of Class B Common Stock are convertible, at no cost, at any time at the election of the holder into shares of Class A Common Stock on a 1-for-1 basis."},{"field":"kind","element":"transactionCoding","label":"F5","text":"On November 18, 2020, 1,800,000 shares of Class B Common Stock that were previously held indirectly by the Dagmar Dolby 2019 Trust BB (as defined below) were transferred to the Dagmar Dolby Trust in exchange for assets of equal value.  As such, these securities are beneficially owned by the Dagmar Dolby Trust."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"The shares exchanged from the Dagmar Dolby 2020 Trust BB were valued at $89.355 per share, the mean of the high and low trading price for the Class A Common Stock on November 18, 2020, for such purpose."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"Shares of Class B Common Stock are convertible, at no cost, at any time at the election of the holder into shares of Class A Common Stock on a 1-for-1 basis."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F1","text":"Shares of Class B Common Stock are convertible, at no cost, at any time at the election of the holder into shares of Class A Common Stock on a 1-for-1 basis."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F4","text":"Reflects shares of Class B Common Stock (as converted or convertible, as applicable, into a like number of shares of Class A Common Stock) held of record by Dagmar Dolby as the Trustee of the Dagmar Dolby Trust under the Dolby Family Trust instrument, dated May 7, 1999 (the \"Dagmar Dolby Trust\"), voting power over which is shared by the Trustee and David E. Dolby, son of Dagmar Dolby, as Special Trustee of the Dagmar Dolby Trust. This report is filed jointly by Dagmar Dolby and the Dagmar Dolby Trust with respect to the securities held and transactions effected by the Dagmar Dolby Trust.  The reporting persons disclaim beneficial ownership of these securities except to the extent of their respective pecuniary interest therein."}],"balance_after":9526617,"derivative":{"underlying":"Class A Common Stock","underlying_shares":1900000},"source":{"system":"sec-edgar","filing":"0001209191-20-059653","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1308547/000120919120059653/doc4.xml","form_type":"4"}},{"id":2971010,"issuer":{"id":2518,"kind":"organization","name":"Dolby Laboratories, Inc.","symbol":"DLB"},"owners":[{"id":18687,"kind":"person","name":"Dolby Dagmar","position":1,"cik":"0001537372","reported_name":"Dolby Dagmar","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":18688,"kind":"organization","name":"DAGMAR DOLBY TRUST UNDER DOLBY FAMILY TRUST INSTRUMENT DATED MAY 7, 1999","position":2,"cik":"0001598813","reported_name":"DAGMAR DOLBY TRUST UNDER DOLBY FAMILY TRUST INSTRUMENT DATED MAY 7, 1999","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class B Common Stock","published_at":"2020-11-20T21:27:07.000Z","date":"2020-11-18","kind":"other","acquired":true,"shares":1300000,"price":89.355,"value":116161500.0,"ownership":{"direct":false,"nature":"By Trust"},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Shares of Class B Common Stock are convertible, at no cost, at any time at the election of the holder into shares of Class A Common Stock on a 1-for-1 basis."},{"field":"kind","element":"transactionCoding","label":"F2","text":"On November 18, 2020, 1,300,000 shares of Class B Common Stock that were previously held indirectly by the Dagmar Dolby 2020 Trust BB (as defined below) were transferred to the Dagmar Dolby Trust (as defined below) in exchange for assets of equal value.  As such, these securities are beneficially owned by the Dagmar Dolby Trust."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"The shares exchanged from the Dagmar Dolby 2020 Trust BB were valued at $89.355 per share, the mean of the high and low trading price for the Class A Common Stock on November 18, 2020, for such purpose."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"Shares of Class B Common Stock are convertible, at no cost, at any time at the election of the holder into shares of Class A Common Stock on a 1-for-1 basis."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F1","text":"Shares of Class B Common Stock are convertible, at no cost, at any time at the election of the holder into shares of Class A Common Stock on a 1-for-1 basis."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F4","text":"Reflects shares of Class B Common Stock (as converted or convertible, as applicable, into a like number of shares of Class A Common Stock) held of record by Dagmar Dolby as the Trustee of the Dagmar Dolby Trust under the Dolby Family Trust instrument, dated May 7, 1999 (the \"Dagmar Dolby Trust\"), voting power over which is shared by the Trustee and David E. Dolby, son of Dagmar Dolby, as Special Trustee of the Dagmar Dolby Trust. This report is filed jointly by Dagmar Dolby and the Dagmar Dolby Trust with respect to the securities held and transactions effected by the Dagmar Dolby Trust.  The reporting persons disclaim beneficial ownership of these securities except to the extent of their respective pecuniary interest therein."}],"balance_after":7726617,"derivative":{"underlying":"Class A Common Stock","underlying_shares":1300000},"source":{"system":"sec-edgar","filing":"0001209191-20-059653","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1308547/000120919120059653/doc4.xml","form_type":"4"}},{"id":3022322,"issuer":{"id":2518,"kind":"organization","name":"Dolby Laboratories, Inc.","symbol":"DLB"},"owners":[{"id":18687,"kind":"person","name":"Dolby Dagmar","position":1,"cik":"0001537372","reported_name":"Dolby Dagmar","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":18688,"kind":"organization","name":"DAGMAR DOLBY TRUST UNDER DOLBY FAMILY TRUST INSTRUMENT DATED MAY 7, 1999","position":2,"cik":"0001598813","reported_name":"DAGMAR DOLBY TRUST UNDER DOLBY FAMILY TRUST INSTRUMENT DATED MAY 7, 1999","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class B Common Stock","published_at":"2020-09-26T01:45:24.000Z","date":"2020-09-25","kind":"gift","acquired":true,"shares":1900000,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"By Trust"},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Shares of Class B Common Stock are convertible, at no cost, at any time at the election of the holder into shares of Class A Common Stock on a 1-for-1 basis."},{"field":"kind","element":"transactionCoding","label":"F5","text":"On September 25, 2020, the Dagmar Dolby 2019 Trust BB (as defined below), which is a grantor retained annuity trust, transferred 1,900,000 shares of Class B Common Stock to the Dagmar Dolby Trust. Such share transfer was effected in satisfaction of the annuity payment requirements, and in accordance with the terms, of the Dagmar Dolby 2019 Trust BBs trust instrument, and was a transfer for no value without the payment or receipt of any funds or other consideration by any reporting person in exchange therefor. Applicable rules consider such a share transfer to be exempt from the reporting requirements of Section 16(a) and the provisions of Section 16(b) of the Exchange Act, and as a result the reporting persons are voluntarily reporting such share transfer on this Form 4."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"Shares of Class B Common Stock are convertible, at no cost, at any time at the election of the holder into shares of Class A Common Stock on a 1-for-1 basis."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F1","text":"Shares of Class B Common Stock are convertible, at no cost, at any time at the election of the holder into shares of Class A Common Stock on a 1-for-1 basis."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F4","text":"Reflects shares of Class B Common Stock (as converted or convertible, as applicable, into a like number of shares of Class A Common Stock) held of record by Dagmar Dolby as the Trustee of the Dagmar Dolby Trust under the Dolby Family Trust instrument, dated May 7, 1999 (the \"Dagmar Dolby Trust\"), voting power over which is shared by the Trustee and David E. Dolby as Special Trustee of the Dagmar Dolby Trust. This report is filed jointly by Dagmar Dolby and the Dagmar Dolby Trust with respect to the securities held and transactions effected by the Dagmar Dolby Trust.  The reporting persons disclaim beneficial ownership of these securities except to the extent of their respective pecuniary interest therein."}],"balance_after":6426617,"derivative":{"underlying":"Class A Common Stock","underlying_shares":1900000},"source":{"system":"sec-edgar","filing":"0001209191-20-052161","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1308547/000120919120052161/doc4.xml","form_type":"4"}},{"id":3022321,"issuer":{"id":2518,"kind":"organization","name":"Dolby Laboratories, Inc.","symbol":"DLB"},"owners":[{"id":18687,"kind":"person","name":"Dolby Dagmar","position":1,"cik":"0001537372","reported_name":"Dolby Dagmar","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":18688,"kind":"organization","name":"DAGMAR DOLBY TRUST UNDER DOLBY FAMILY TRUST INSTRUMENT DATED MAY 7, 1999","position":2,"cik":"0001598813","reported_name":"DAGMAR DOLBY TRUST UNDER DOLBY FAMILY TRUST INSTRUMENT DATED MAY 7, 1999","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class B Common Stock","published_at":"2020-09-26T01:45:24.000Z","date":"2020-09-25","kind":"gift","acquired":false,"shares":1900000,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"By Trust"},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Shares of Class B Common Stock are convertible, at no cost, at any time at the election of the holder into shares of Class A Common Stock on a 1-for-1 basis."},{"field":"kind","element":"transactionCoding","label":"F5","text":"On September 25, 2020, the Dagmar Dolby 2019 Trust BB (as defined below), which is a grantor retained annuity trust, transferred 1,900,000 shares of Class B Common Stock to the Dagmar Dolby Trust. Such share transfer was effected in satisfaction of the annuity payment requirements, and in accordance with the terms, of the Dagmar Dolby 2019 Trust BBs trust instrument, and was a transfer for no value without the payment or receipt of any funds or other consideration by any reporting person in exchange therefor. Applicable rules consider such a share transfer to be exempt from the reporting requirements of Section 16(a) and the provisions of Section 16(b) of the Exchange Act, and as a result the reporting persons are voluntarily reporting such share transfer on this Form 4."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"Shares of Class B Common Stock are convertible, at no cost, at any time at the election of the holder into shares of Class A Common Stock on a 1-for-1 basis."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F1","text":"Shares of Class B Common Stock are convertible, at no cost, at any time at the election of the holder into shares of Class A Common Stock on a 1-for-1 basis."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F6","text":"Reflects shares of Class B Common Stock (convertible into a like number of shares of Class A Common Stock) held of record by Dagmar Dolby as the Trustee of the Dagmar Dolby 2019 Trust BB, dated July 22, 2019 (the \"Dagmar Dolby 2019 Trust BB\"), voting power over which is held by David E. Dolby as Special Trustee of the Dagmar Dolby 2019 Trust BB. This report is filed by Dagmar Dolby with respect to the securities held by the Dagmar Dolby 2019 Trust BB. The reporting person disclaims beneficial ownership of these securities except to the extent of her pecuniary interest therein."}],"balance_after":1800000,"derivative":{"underlying":"Class A Common Stock","underlying_shares":1900000},"source":{"system":"sec-edgar","filing":"0001209191-20-052161","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1308547/000120919120052161/doc4.xml","form_type":"4"}},{"id":3022320,"issuer":{"id":2518,"kind":"organization","name":"Dolby Laboratories, Inc.","symbol":"DLB"},"owners":[{"id":18687,"kind":"person","name":"Dolby Dagmar","position":1,"cik":"0001537372","reported_name":"Dolby Dagmar","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":18688,"kind":"organization","name":"DAGMAR DOLBY TRUST UNDER DOLBY FAMILY TRUST INSTRUMENT DATED MAY 7, 1999","position":2,"cik":"0001598813","reported_name":"DAGMAR DOLBY TRUST UNDER DOLBY FAMILY TRUST INSTRUMENT DATED MAY 7, 1999","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class B Common Stock","published_at":"2020-09-26T01:45:24.000Z","date":"2020-09-25","kind":"gift","acquired":true,"shares":1825000,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"By Trust"},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Shares of Class B Common Stock are convertible, at no cost, at any time at the election of the holder into shares of Class A Common Stock on a 1-for-1 basis."},{"field":"kind","element":"transactionCoding","label":"F2","text":"On September 25, 2020, the Dagmar Dolby 2018 Trust BB (as defined below), which is a grantor retained annuity trust, transferred 1,825,000 shares of Class B Common Stock to the Dagmar Dolby Trust (as defined below). Such share transfer was effected in satisfaction of the annuity payment requirements, and in accordance with the terms, of the Dagmar Dolby 2018 Trust BBs trust instrument, and was a transfer for no value without the payment or receipt of any funds or other consideration by any reporting person in exchange therefor. Applicable rules consider such a share transfer to be exempt from the reporting requirements of Section 16(a) and the provisions of Section 16(b) of the Securities Exchange Act of 1934, as amended (the \"Exchange Act\"), and as a result the reporting persons are voluntarily reporting such share transfer on this Form 4."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"Shares of Class B Common Stock are convertible, at no cost, at any time at the election of the holder into shares of Class A Common Stock on a 1-for-1 basis."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F1","text":"Shares of Class B Common Stock are convertible, at no cost, at any time at the election of the holder into shares of Class A Common Stock on a 1-for-1 basis."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F4","text":"Reflects shares of Class B Common Stock (as converted or convertible, as applicable, into a like number of shares of Class A Common Stock) held of record by Dagmar Dolby as the Trustee of the Dagmar Dolby Trust under the Dolby Family Trust instrument, dated May 7, 1999 (the \"Dagmar Dolby Trust\"), voting power over which is shared by the Trustee and David E. Dolby as Special Trustee of the Dagmar Dolby Trust. This report is filed jointly by Dagmar Dolby and the Dagmar Dolby Trust with respect to the securities held and transactions effected by the Dagmar Dolby Trust.  The reporting persons disclaim beneficial ownership of these securities except to the extent of their respective pecuniary interest therein."}],"balance_after":4526617,"derivative":{"underlying":"Class A Common Stock","underlying_shares":1825000},"source":{"system":"sec-edgar","filing":"0001209191-20-052161","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1308547/000120919120052161/doc4.xml","form_type":"4"}},{"id":3022319,"issuer":{"id":2518,"kind":"organization","name":"Dolby Laboratories, Inc.","symbol":"DLB"},"owners":[{"id":18687,"kind":"person","name":"Dolby Dagmar","position":1,"cik":"0001537372","reported_name":"Dolby Dagmar","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":18688,"kind":"organization","name":"DAGMAR DOLBY TRUST UNDER DOLBY FAMILY TRUST INSTRUMENT DATED MAY 7, 1999","position":2,"cik":"0001598813","reported_name":"DAGMAR DOLBY TRUST UNDER DOLBY FAMILY TRUST INSTRUMENT DATED MAY 7, 1999","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class B Common Stock","published_at":"2020-09-26T01:45:24.000Z","date":"2020-09-25","kind":"gift","acquired":false,"shares":1825000,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"By Trust"},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Shares of Class B Common Stock are convertible, at no cost, at any time at the election of the holder into shares of Class A Common Stock on a 1-for-1 basis."},{"field":"kind","element":"transactionCoding","label":"F2","text":"On September 25, 2020, the Dagmar Dolby 2018 Trust BB (as defined below), which is a grantor retained annuity trust, transferred 1,825,000 shares of Class B Common Stock to the Dagmar Dolby Trust (as defined below). Such share transfer was effected in satisfaction of the annuity payment requirements, and in accordance with the terms, of the Dagmar Dolby 2018 Trust BBs trust instrument, and was a transfer for no value without the payment or receipt of any funds or other consideration by any reporting person in exchange therefor. Applicable rules consider such a share transfer to be exempt from the reporting requirements of Section 16(a) and the provisions of Section 16(b) of the Securities Exchange Act of 1934, as amended (the \"Exchange Act\"), and as a result the reporting persons are voluntarily reporting such share transfer on this Form 4."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"Shares of Class B Common Stock are convertible, at no cost, at any time at the election of the holder into shares of Class A Common Stock on a 1-for-1 basis."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F1","text":"Shares of Class B Common Stock are convertible, at no cost, at any time at the election of the holder into shares of Class A Common Stock on a 1-for-1 basis."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"Reflects shares of Class B Common Stock (convertible into a like number of shares of Class A Common Stock) held of record by Dagmar Dolby as the Trustee of the Dagmar Dolby 2018 Trust BB, dated June 20, 2018 (the \"Dagmar Dolby 2018 Trust BB\"), voting power over which is held by David E. Dolby, son of Dagmar Dolby, as Special Trustee of the Dagmar Dolby 2018 Trust BB. This report is filed by Dagmar Dolby with respect to the securities held and transactions effected by the Dagmar Dolby 2018 Trust BB. The reporting person disclaims beneficial ownership of these securities except to the extent of her pecuniary interest therein."}],"balance_after":0,"derivative":{"underlying":"Class A Common Stock","underlying_shares":1825000},"source":{"system":"sec-edgar","filing":"0001209191-20-052161","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1308547/000120919120052161/doc4.xml","form_type":"4"}},{"id":3040819,"issuer":{"id":2518,"kind":"organization","name":"Dolby Laboratories, Inc.","symbol":"DLB"},"owners":[{"id":18687,"kind":"person","name":"Dolby Dagmar","position":1,"cik":"0001537372","reported_name":"Dolby Dagmar","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":18688,"kind":"organization","name":"DAGMAR DOLBY TRUST UNDER DOLBY FAMILY TRUST INSTRUMENT DATED MAY 7, 1999","position":2,"cik":"0001598813","reported_name":"DAGMAR DOLBY TRUST UNDER DOLBY FAMILY TRUST INSTRUMENT DATED MAY 7, 1999","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class B Common Stock","published_at":"2020-09-02T23:04:32.000Z","date":"2020-09-02","kind":"exercise","acquired":false,"shares":29000,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"By Trust"},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F4","text":"Shares of Class B Common Stock are convertible, at no cost, at any time at the election of the holder into shares of Class A Common Stock on a 1-for-1 basis."},{"field":"kind","element":"transactionCoding","label":"F2","text":"On September 2, 2020, the Dagmar Dolby Trust (as defined below) converted 29,000 shares of Class B Common Stock into a like number of shares of Class A Common Stock and gifted all such shares of Class A Common Stock to one unaffiliated non-profit organization."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F4","text":"Shares of Class B Common Stock are convertible, at no cost, at any time at the election of the holder into shares of Class A Common Stock on a 1-for-1 basis."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F4","text":"Shares of Class B Common Stock are convertible, at no cost, at any time at the election of the holder into shares of Class A Common Stock on a 1-for-1 basis."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"Reflects shares of Class B Common Stock (as converted or convertible, as applicable, into a like number of shares of Class A Common Stock) held of record by Dagmar Dolby as the Trustee of the Dagmar Dolby Trust under the Dolby Family Trust instrument, dated May 7, 1999 (the \"Dagmar Dolby Trust\"), voting power over which is shared by the Trustee and David E. Dolby, son of Dagmar Dolby, as Special Trustee of the Dagmar Dolby Trust. This report is filed jointly by Dagmar Dolby and the Dagmar Dolby Trust with respect to the securities held and transactions effected by the Dagmar Dolby Trust. The reporting persons disclaim beneficial ownership of these securities except to the extent of their respective pecuniary interest therein."}],"balance_after":2701617,"derivative":{"underlying":"Class A Common Stock","underlying_shares":29000},"source":{"system":"sec-edgar","filing":"0001209191-20-049259","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1308547/000120919120049259/doc4.xml","form_type":"4"}},{"id":3040818,"issuer":{"id":2518,"kind":"organization","name":"Dolby Laboratories, Inc.","symbol":"DLB"},"owners":[{"id":18687,"kind":"person","name":"Dolby Dagmar","position":1,"cik":"0001537372","reported_name":"Dolby Dagmar","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":18688,"kind":"organization","name":"DAGMAR DOLBY TRUST UNDER DOLBY FAMILY TRUST INSTRUMENT DATED MAY 7, 1999","position":2,"cik":"0001598813","reported_name":"DAGMAR DOLBY TRUST UNDER DOLBY FAMILY TRUST INSTRUMENT DATED MAY 7, 1999","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class A Common Stock","published_at":"2020-09-02T23:04:32.000Z","date":"2020-09-02","kind":"gift","acquired":false,"shares":29000,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"By Trust"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F2","text":"On September 2, 2020, the Dagmar Dolby Trust (as defined below) converted 29,000 shares of Class B Common Stock into a like number of shares of Class A Common Stock and gifted all such shares of Class A Common Stock to one unaffiliated non-profit organization."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"Reflects shares of Class B Common Stock (as converted or convertible, as applicable, into a like number of shares of Class A Common Stock) held of record by Dagmar Dolby as the Trustee of the Dagmar Dolby Trust under the Dolby Family Trust instrument, dated May 7, 1999 (the \"Dagmar Dolby Trust\"), voting power over which is shared by the Trustee and David E. Dolby, son of Dagmar Dolby, as Special Trustee of the Dagmar Dolby Trust. This report is filed jointly by Dagmar Dolby and the Dagmar Dolby Trust with respect to the securities held and transactions effected by the Dagmar Dolby Trust. The reporting persons disclaim beneficial ownership of these securities except to the extent of their respective pecuniary interest therein."}],"balance_after":0,"source":{"system":"sec-edgar","filing":"0001209191-20-049259","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1308547/000120919120049259/doc4.xml","form_type":"4"}},{"id":3040817,"issuer":{"id":2518,"kind":"organization","name":"Dolby Laboratories, Inc.","symbol":"DLB"},"owners":[{"id":18687,"kind":"person","name":"Dolby Dagmar","position":1,"cik":"0001537372","reported_name":"Dolby Dagmar","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":18688,"kind":"organization","name":"DAGMAR DOLBY TRUST UNDER DOLBY FAMILY TRUST INSTRUMENT DATED MAY 7, 1999","position":2,"cik":"0001598813","reported_name":"DAGMAR DOLBY TRUST UNDER DOLBY FAMILY TRUST INSTRUMENT DATED MAY 7, 1999","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class A Common Stock","published_at":"2020-09-02T23:04:32.000Z","date":"2020-09-02","kind":"exercise","acquired":true,"shares":29000,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"By Trust"},"footnotes":[{"field":"security","element":"securityTitle","label":"F1","text":"Each share of Class A Common Stock issued upon conversion of one share of Class B Common Stock at the election of, and at no cost to, the holder."},{"field":"kind","element":"transactionCoding","label":"F2","text":"On September 2, 2020, the Dagmar Dolby Trust (as defined below) converted 29,000 shares of Class B Common Stock into a like number of shares of Class A Common Stock and gifted all such shares of Class A Common Stock to one unaffiliated non-profit organization."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"Reflects shares of Class B Common Stock (as converted or convertible, as applicable, into a like number of shares of Class A Common Stock) held of record by Dagmar Dolby as the Trustee of the Dagmar Dolby Trust under the Dolby Family Trust instrument, dated May 7, 1999 (the \"Dagmar Dolby Trust\"), voting power over which is shared by the Trustee and David E. Dolby, son of Dagmar Dolby, as Special Trustee of the Dagmar Dolby Trust. This report is filed jointly by Dagmar Dolby and the Dagmar Dolby Trust with respect to the securities held and transactions effected by the Dagmar Dolby Trust. The reporting persons disclaim beneficial ownership of these securities except to the extent of their respective pecuniary interest therein."}],"balance_after":29000,"source":{"system":"sec-edgar","filing":"0001209191-20-049259","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1308547/000120919120049259/doc4.xml","form_type":"4"}},{"id":3046144,"issuer":{"id":2518,"kind":"organization","name":"Dolby Laboratories, Inc.","symbol":"DLB"},"owners":[{"id":18687,"kind":"person","name":"Dolby Dagmar","position":1,"cik":"0001537372","reported_name":"Dolby Dagmar","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":18688,"kind":"organization","name":"DAGMAR DOLBY TRUST UNDER DOLBY FAMILY TRUST INSTRUMENT DATED MAY 7, 1999","position":2,"cik":"0001598813","reported_name":"DAGMAR DOLBY TRUST UNDER DOLBY FAMILY TRUST INSTRUMENT DATED MAY 7, 1999","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class B Common Stock","published_at":"2020-08-26T21:03:00.000Z","date":"2020-08-25","kind":"exercise","acquired":false,"shares":65000,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"By Trust"},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F4","text":"Shares of Class B Common Stock are convertible, at no cost, at any time at the election of the holder into shares of Class A Common Stock on a 1-for-1 basis."},{"field":"kind","element":"transactionCoding","label":"F2","text":"On August 25, 2020, the Dagmar Dolby Trust (as defined below) converted 65,000 shares of Class B Common Stock into a like number of shares of Class A Common Stock and gifted all such shares of Class A Common Stock to two unaffiliated charitable organizations."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F4","text":"Shares of Class B Common Stock are convertible, at no cost, at any time at the election of the holder into shares of Class A Common Stock on a 1-for-1 basis."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F4","text":"Shares of Class B Common Stock are convertible, at no cost, at any time at the election of the holder into shares of Class A Common Stock on a 1-for-1 basis."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"Reflects shares of Class B Common Stock (as converted or convertible, as applicable, into a like number of shares of Class A Common Stock) held of record by Dagmar Dolby as the Trustee of the Dagmar Dolby Trust under the Dolby Family Trust instrument, dated May 7, 1999 (the \"Dagmar Dolby Trust\"), voting power over which is shared by the Trustee and David E. Dolby, son of Dagmar Dolby, as Special Trustee of the Dagmar Dolby Trust. This report is filed jointly by Dagmar Dolby and the Dagmar Dolby Trust with respect to the securities held and transactions effected by the Dagmar Dolby Trust. The reporting persons disclaim beneficial ownership of these securities except to the extent of their respective pecuniary interest therein."}],"balance_after":2730617,"derivative":{"underlying":"Class A Common Stock","underlying_shares":65000},"source":{"system":"sec-edgar","filing":"0001209191-20-048410","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1308547/000120919120048410/doc4.xml","form_type":"4"}},{"id":3046143,"issuer":{"id":2518,"kind":"organization","name":"Dolby Laboratories, Inc.","symbol":"DLB"},"owners":[{"id":18687,"kind":"person","name":"Dolby Dagmar","position":1,"cik":"0001537372","reported_name":"Dolby Dagmar","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":18688,"kind":"organization","name":"DAGMAR DOLBY TRUST UNDER DOLBY FAMILY TRUST INSTRUMENT DATED MAY 7, 1999","position":2,"cik":"0001598813","reported_name":"DAGMAR DOLBY TRUST UNDER DOLBY FAMILY TRUST INSTRUMENT DATED MAY 7, 1999","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class A Common Stock","published_at":"2020-08-26T21:03:00.000Z","date":"2020-08-25","kind":"gift","acquired":false,"shares":65000,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"By Trust"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F2","text":"On August 25, 2020, the Dagmar Dolby Trust (as defined below) converted 65,000 shares of Class B Common Stock into a like number of shares of Class A Common Stock and gifted all such shares of Class A Common Stock to two unaffiliated charitable organizations."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"Reflects shares of Class B Common Stock (as converted or convertible, as applicable, into a like number of shares of Class A Common Stock) held of record by Dagmar Dolby as the Trustee of the Dagmar Dolby Trust under the Dolby Family Trust instrument, dated May 7, 1999 (the \"Dagmar Dolby Trust\"), voting power over which is shared by the Trustee and David E. Dolby, son of Dagmar Dolby, as Special Trustee of the Dagmar Dolby Trust. This report is filed jointly by Dagmar Dolby and the Dagmar Dolby Trust with respect to the securities held and transactions effected by the Dagmar Dolby Trust. The reporting persons disclaim beneficial ownership of these securities except to the extent of their respective pecuniary interest therein."}],"balance_after":0,"source":{"system":"sec-edgar","filing":"0001209191-20-048410","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1308547/000120919120048410/doc4.xml","form_type":"4"}},{"id":3046142,"issuer":{"id":2518,"kind":"organization","name":"Dolby Laboratories, Inc.","symbol":"DLB"},"owners":[{"id":18687,"kind":"person","name":"Dolby Dagmar","position":1,"cik":"0001537372","reported_name":"Dolby Dagmar","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":18688,"kind":"organization","name":"DAGMAR DOLBY TRUST UNDER DOLBY FAMILY TRUST INSTRUMENT DATED MAY 7, 1999","position":2,"cik":"0001598813","reported_name":"DAGMAR DOLBY TRUST UNDER DOLBY FAMILY TRUST INSTRUMENT DATED MAY 7, 1999","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class A Common Stock","published_at":"2020-08-26T21:03:00.000Z","date":"2020-08-25","kind":"exercise","acquired":true,"shares":65000,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"By Trust"},"footnotes":[{"field":"security","element":"securityTitle","label":"F1","text":"Each share of Class A Common Stock issued upon conversion of one share of Class B Common Stock at the election of, and at no cost to, the holder."},{"field":"kind","element":"transactionCoding","label":"F2","text":"On August 25, 2020, the Dagmar Dolby Trust (as defined below) converted 65,000 shares of Class B Common Stock into a like number of shares of Class A Common Stock and gifted all such shares of Class A Common Stock to two unaffiliated charitable organizations."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"Reflects shares of Class B Common Stock (as converted or convertible, as applicable, into a like number of shares of Class A Common Stock) held of record by Dagmar Dolby as the Trustee of the Dagmar Dolby Trust under the Dolby Family Trust instrument, dated May 7, 1999 (the \"Dagmar Dolby Trust\"), voting power over which is shared by the Trustee and David E. Dolby, son of Dagmar Dolby, as Special Trustee of the Dagmar Dolby Trust. This report is filed jointly by Dagmar Dolby and the Dagmar Dolby Trust with respect to the securities held and transactions effected by the Dagmar Dolby Trust. The reporting persons disclaim beneficial ownership of these securities except to the extent of their respective pecuniary interest therein."}],"balance_after":65000,"source":{"system":"sec-edgar","filing":"0001209191-20-048410","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1308547/000120919120048410/doc4.xml","form_type":"4"}},{"id":3200353,"issuer":{"id":2518,"kind":"organization","name":"Dolby Laboratories, Inc.","symbol":"DLB"},"owners":[{"id":18687,"kind":"person","name":"Dolby Dagmar","position":1,"cik":"0001537372","reported_name":"Dolby Dagmar","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":18688,"kind":"organization","name":"DAGMAR DOLBY TRUST UNDER DOLBY FAMILY TRUST INSTRUMENT DATED MAY 7, 1999","position":2,"cik":"0001598813","reported_name":"DAGMAR DOLBY TRUST UNDER DOLBY FAMILY TRUST INSTRUMENT DATED MAY 7, 1999","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class B Common Stock","published_at":"2020-03-19T20:06:34.000Z","date":"2020-03-17","kind":"gift","acquired":true,"shares":1300000,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"By Trust"},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Shares of Class B Common Stock are convertible, at no cost, at any time at the election of the holder into shares of Class A Common Stock on a 1-for-1 basis."},{"field":"kind","element":"transactionCoding","label":"F2","text":"On March 17, 2020, the Dagmar Dolby Trust contributed 1,300,000 shares of Class B Common Stock to a newly formed grantor retained annuity trust, the Dagmar Dolby 2020 Trust BB (as defined below). Such share contribution was effected solely for tax and estate planning purposes, and was a transfer for no value without the payment or receipt of any funds or other consideration by any reporting person in exchange therefor. Applicable rules consider such a share contribution to be exempt from the reporting requirements of Section 16(a) and the provisions of Section 16(b) of the Exchange Act, and as a result the reporting persons are voluntarily reporting such share contribution on this Form 4."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"Shares of Class B Common Stock are convertible, at no cost, at any time at the election of the holder into shares of Class A Common Stock on a 1-for-1 basis."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F1","text":"Shares of Class B Common Stock are convertible, at no cost, at any time at the election of the holder into shares of Class A Common Stock on a 1-for-1 basis."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F4","text":"Reflects shares of Class B Common Stock (convertible into a like number of shares of Class A Common Stock) held of record by Dagmar Dolby as the Trustee of the Dagmar Dolby 2020 Trust BB, dated March 17, 2020 (the \"Dagmar Dolby 2020 Trust BB\"), voting power over which is held by David E. Dolby as Special Trustee of the Dagmar Dolby 2020 Trust BB. This report is filed by Dagmar Dolby with respect to the securities held and transactions effected by the Dagmar Dolby 2020 Trust BB. The reporting person disclaims beneficial ownership of these securities except to the extent of her pecuniary interest therein."}],"balance_after":1300000,"derivative":{"underlying":"Class A Common Stock","underlying_shares":1300000},"source":{"system":"sec-edgar","filing":"0001209191-20-020247","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1308547/000120919120020247/doc4.xml","form_type":"4"}},{"id":3200352,"issuer":{"id":2518,"kind":"organization","name":"Dolby Laboratories, Inc.","symbol":"DLB"},"owners":[{"id":18687,"kind":"person","name":"Dolby Dagmar","position":1,"cik":"0001537372","reported_name":"Dolby Dagmar","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":18688,"kind":"organization","name":"DAGMAR DOLBY TRUST UNDER DOLBY FAMILY TRUST INSTRUMENT DATED MAY 7, 1999","position":2,"cik":"0001598813","reported_name":"DAGMAR DOLBY TRUST UNDER DOLBY FAMILY TRUST INSTRUMENT DATED MAY 7, 1999","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class B Common Stock","published_at":"2020-03-19T20:06:34.000Z","date":"2020-03-17","kind":"gift","acquired":false,"shares":1300000,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"By Trust"},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Shares of Class B Common Stock are convertible, at no cost, at any time at the election of the holder into shares of Class A Common Stock on a 1-for-1 basis."},{"field":"kind","element":"transactionCoding","label":"F2","text":"On March 17, 2020, the Dagmar Dolby Trust contributed 1,300,000 shares of Class B Common Stock to a newly formed grantor retained annuity trust, the Dagmar Dolby 2020 Trust BB (as defined below). Such share contribution was effected solely for tax and estate planning purposes, and was a transfer for no value without the payment or receipt of any funds or other consideration by any reporting person in exchange therefor. Applicable rules consider such a share contribution to be exempt from the reporting requirements of Section 16(a) and the provisions of Section 16(b) of the Exchange Act, and as a result the reporting persons are voluntarily reporting such share contribution on this Form 4."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"Shares of Class B Common Stock are convertible, at no cost, at any time at the election of the holder into shares of Class A Common Stock on a 1-for-1 basis."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F1","text":"Shares of Class B Common Stock are convertible, at no cost, at any time at the election of the holder into shares of Class A Common Stock on a 1-for-1 basis."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"Reflects shares of Class B Common Stock (as converted or convertible, as applicable, into a like number of shares of Class A Common Stock) held of record by Dagmar Dolby as the Trustee of the Dagmar Dolby Trust under the Dolby Family Trust instrument, dated May 7, 1999 (the \"Dagmar Dolby Trust\"), voting power over which is shared by the Trustee and David E. Dolby, son of Dagmar Dolby, as Special Trustee of the Dagmar Dolby Trust. This report is filed jointly by Dagmar Dolby and the Dagmar Dolby Trust with respect to the securities held and transactions effected by the Dagmar Dolby Trust.  The reporting persons disclaim beneficial ownership of these securities except to the extent of their respective pecuniary interest therein."}],"balance_after":2795617,"derivative":{"underlying":"Class A Common Stock","underlying_shares":1300000},"source":{"system":"sec-edgar","filing":"0001209191-20-020247","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1308547/000120919120020247/doc4.xml","form_type":"4"}},{"id":3453115,"issuer":{"id":2518,"kind":"organization","name":"Dolby Laboratories, Inc.","symbol":"DLB"},"owners":[{"id":18687,"kind":"person","name":"Dolby Dagmar","position":1,"cik":"0001537372","reported_name":"Dolby Dagmar","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":18688,"kind":"organization","name":"DAGMAR DOLBY TRUST UNDER DOLBY FAMILY TRUST INSTRUMENT DATED MAY 7, 1999","position":2,"cik":"0001598813","reported_name":"DAGMAR DOLBY TRUST UNDER DOLBY FAMILY TRUST INSTRUMENT DATED MAY 7, 1999","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class B Common Stock","published_at":"2019-07-31T01:35:09.000Z","date":"2019-07-29","kind":"exercise","acquired":false,"shares":46573,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"By Trust"},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F7","text":"Shares of Class B Common Stock are convertible, at no cost, at any time at the election of the holder into shares of Class A Common Stock on a 1-for-1 basis."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F7","text":"Shares of Class B Common Stock are convertible, at no cost, at any time at the election of the holder into shares of Class A Common Stock on a 1-for-1 basis."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F7","text":"Shares of Class B Common Stock are convertible, at no cost, at any time at the election of the holder into shares of Class A Common Stock on a 1-for-1 basis."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"Reflects shares of Class B Common Stock (as converted or convertible, as applicable, into a like number of shares of Class A Common Stock) held of record by Dagmar Dolby as the Trustee of the Dagmar Dolby Trust under the Dolby Family Trust instrument, dated May 7, 1999 (the \"Dagmar Dolby Trust\"), voting power over which is shared by the Trustee and David E. Dolby, son of Dagmar Dolby, as Special Trustee of the Dagmar Dolby Trust. This report is filed jointly by Dagmar Dolby and the Dagmar Dolby Trust with respect to the securities held and transactions effected by the Dagmar Dolby Trust.  The reporting persons disclaim beneficial ownership of these securities except to the extent of their respective pecuniary interest therein."}],"balance_after":4095617,"derivative":{"underlying":"Class A Common Stock","underlying_shares":46573},"source":{"system":"sec-edgar","filing":"0001209191-19-043794","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":8,"url":"https://www.sec.gov/Archives/edgar/data/1308547/000120919119043794/doc4.xml","form_type":"4"}},{"id":3453114,"issuer":{"id":2518,"kind":"organization","name":"Dolby Laboratories, Inc.","symbol":"DLB"},"owners":[{"id":18687,"kind":"person","name":"Dolby Dagmar","position":1,"cik":"0001537372","reported_name":"Dolby Dagmar","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":18688,"kind":"organization","name":"DAGMAR DOLBY TRUST UNDER DOLBY FAMILY TRUST INSTRUMENT DATED MAY 7, 1999","position":2,"cik":"0001598813","reported_name":"DAGMAR DOLBY TRUST UNDER DOLBY FAMILY TRUST INSTRUMENT DATED MAY 7, 1999","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class B Common Stock","published_at":"2019-07-31T01:35:09.000Z","date":"2019-07-26","kind":"exercise","acquired":false,"shares":50000,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"By Trust"},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F7","text":"Shares of Class B Common Stock are convertible, at no cost, at any time at the election of the holder into shares of Class A Common Stock on a 1-for-1 basis."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F7","text":"Shares of Class B Common Stock are convertible, at no cost, at any time at the election of the holder into shares of Class A Common Stock on a 1-for-1 basis."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F7","text":"Shares of Class B Common Stock are convertible, at no cost, at any time at the election of the holder into shares of Class A Common Stock on a 1-for-1 basis."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"Reflects shares of Class B Common Stock (as converted or convertible, as applicable, into a like number of shares of Class A Common Stock) held of record by Dagmar Dolby as the Trustee of the Dagmar Dolby Trust under the Dolby Family Trust instrument, dated May 7, 1999 (the \"Dagmar Dolby Trust\"), voting power over which is shared by the Trustee and David E. Dolby, son of Dagmar Dolby, as Special Trustee of the Dagmar Dolby Trust. This report is filed jointly by Dagmar Dolby and the Dagmar Dolby Trust with respect to the securities held and transactions effected by the Dagmar Dolby Trust.  The reporting persons disclaim beneficial ownership of these securities except to the extent of their respective pecuniary interest therein."}],"balance_after":4142190,"derivative":{"underlying":"Class A Common Stock","underlying_shares":50000},"source":{"system":"sec-edgar","filing":"0001209191-19-043794","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":7,"url":"https://www.sec.gov/Archives/edgar/data/1308547/000120919119043794/doc4.xml","form_type":"4"}},{"id":3453113,"issuer":{"id":2518,"kind":"organization","name":"Dolby Laboratories, Inc.","symbol":"DLB"},"owners":[{"id":18687,"kind":"person","name":"Dolby Dagmar","position":1,"cik":"0001537372","reported_name":"Dolby Dagmar","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":18688,"kind":"organization","name":"DAGMAR DOLBY TRUST UNDER DOLBY FAMILY TRUST INSTRUMENT DATED MAY 7, 1999","position":2,"cik":"0001598813","reported_name":"DAGMAR DOLBY TRUST UNDER DOLBY FAMILY TRUST INSTRUMENT DATED MAY 7, 1999","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class A Common Stock","published_at":"2019-07-31T01:35:09.000Z","date":"2019-07-29","kind":"sale","acquired":false,"shares":1043,"price":66.7295,"value":69598.8685,"ownership":{"direct":false,"nature":"By Trust"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F6","text":"The shares were sold in multiple transactions at prices ranging from $66.71 to $66.745, inclusive. The price reported above reflects the weighted average sale price. The reporting persons hereby undertake to provide upon request to the Securities and Exchange Commission staff, the Issuer or a security holder of the Issuer full information regarding the number of shares and prices at which the transactions were effected."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"Reflects shares of Class B Common Stock (as converted or convertible, as applicable, into a like number of shares of Class A Common Stock) held of record by Dagmar Dolby as the Trustee of the Dagmar Dolby Trust under the Dolby Family Trust instrument, dated May 7, 1999 (the \"Dagmar Dolby Trust\"), voting power over which is shared by the Trustee and David E. Dolby, son of Dagmar Dolby, as Special Trustee of the Dagmar Dolby Trust. This report is filed jointly by Dagmar Dolby and the Dagmar Dolby Trust with respect to the securities held and transactions effected by the Dagmar Dolby Trust.  The reporting persons disclaim beneficial ownership of these securities except to the extent of their respective pecuniary interest therein."}],"balance_after":0,"source":{"system":"sec-edgar","filing":"0001209191-19-043794","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":6,"url":"https://www.sec.gov/Archives/edgar/data/1308547/000120919119043794/doc4.xml","form_type":"4"}},{"id":3453112,"issuer":{"id":2518,"kind":"organization","name":"Dolby Laboratories, Inc.","symbol":"DLB"},"owners":[{"id":18687,"kind":"person","name":"Dolby Dagmar","position":1,"cik":"0001537372","reported_name":"Dolby Dagmar","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":18688,"kind":"organization","name":"DAGMAR DOLBY TRUST UNDER DOLBY FAMILY TRUST INSTRUMENT DATED MAY 7, 1999","position":2,"cik":"0001598813","reported_name":"DAGMAR DOLBY TRUST UNDER DOLBY FAMILY TRUST INSTRUMENT DATED MAY 7, 1999","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class A Common Stock","published_at":"2019-07-31T01:35:09.000Z","date":"2019-07-29","kind":"sale","acquired":false,"shares":45530,"price":66.4319,"value":3024644.407,"ownership":{"direct":false,"nature":"By Trust"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F5","text":"The shares were sold in multiple transactions at prices ranging from $65.71 to $66.705, inclusive. The price reported above reflects the weighted average sale price. The reporting persons hereby undertake to provide upon request to the Securities and Exchange Commission staff, the Issuer or a security holder of the Issuer full information regarding the number of shares and prices at which the transactions were effected."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"Reflects shares of Class B Common Stock (as converted or convertible, as applicable, into a like number of shares of Class A Common Stock) held of record by Dagmar Dolby as the Trustee of the Dagmar Dolby Trust under the Dolby Family Trust instrument, dated May 7, 1999 (the \"Dagmar Dolby Trust\"), voting power over which is shared by the Trustee and David E. Dolby, son of Dagmar Dolby, as Special Trustee of the Dagmar Dolby Trust. This report is filed jointly by Dagmar Dolby and the Dagmar Dolby Trust with respect to the securities held and transactions effected by the Dagmar Dolby Trust.  The reporting persons disclaim beneficial ownership of these securities except to the extent of their respective pecuniary interest therein."}],"balance_after":1043,"source":{"system":"sec-edgar","filing":"0001209191-19-043794","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/1308547/000120919119043794/doc4.xml","form_type":"4"}},{"id":3453111,"issuer":{"id":2518,"kind":"organization","name":"Dolby Laboratories, Inc.","symbol":"DLB"},"owners":[{"id":18687,"kind":"person","name":"Dolby Dagmar","position":1,"cik":"0001537372","reported_name":"Dolby Dagmar","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":18688,"kind":"organization","name":"DAGMAR DOLBY TRUST UNDER DOLBY FAMILY TRUST INSTRUMENT DATED MAY 7, 1999","position":2,"cik":"0001598813","reported_name":"DAGMAR DOLBY TRUST UNDER DOLBY FAMILY TRUST INSTRUMENT DATED MAY 7, 1999","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class A Common Stock","published_at":"2019-07-31T01:35:09.000Z","date":"2019-07-29","kind":"exercise","acquired":true,"shares":46573,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"By Trust"},"footnotes":[{"field":"security","element":"securityTitle","label":"F1","text":"Each share of Class A Common Stock issued upon conversion of one share of Class B Common Stock at the election of, and at no cost to, the holder."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"Reflects shares of Class B Common Stock (as converted or convertible, as applicable, into a like number of shares of Class A Common Stock) held of record by Dagmar Dolby as the Trustee of the Dagmar Dolby Trust under the Dolby Family Trust instrument, dated May 7, 1999 (the \"Dagmar Dolby Trust\"), voting power over which is shared by the Trustee and David E. Dolby, son of Dagmar Dolby, as Special Trustee of the Dagmar Dolby Trust. This report is filed jointly by Dagmar Dolby and the Dagmar Dolby Trust with respect to the securities held and transactions effected by the Dagmar Dolby Trust.  The reporting persons disclaim beneficial ownership of these securities except to the extent of their respective pecuniary interest therein."}],"balance_after":46573,"source":{"system":"sec-edgar","filing":"0001209191-19-043794","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1308547/000120919119043794/doc4.xml","form_type":"4"}},{"id":3453110,"issuer":{"id":2518,"kind":"organization","name":"Dolby Laboratories, Inc.","symbol":"DLB"},"owners":[{"id":18687,"kind":"person","name":"Dolby Dagmar","position":1,"cik":"0001537372","reported_name":"Dolby Dagmar","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":18688,"kind":"organization","name":"DAGMAR DOLBY TRUST UNDER DOLBY FAMILY TRUST INSTRUMENT DATED MAY 7, 1999","position":2,"cik":"0001598813","reported_name":"DAGMAR DOLBY TRUST UNDER DOLBY FAMILY TRUST INSTRUMENT DATED MAY 7, 1999","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class A Common Stock","published_at":"2019-07-31T01:35:09.000Z","date":"2019-07-26","kind":"sale","acquired":false,"shares":1053,"price":67.1763,"value":70736.6439,"ownership":{"direct":false,"nature":"By Trust"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F4","text":"The shares were sold in multiple transactions at prices ranging from $67.16 to $67.22, inclusive. The price reported above reflects the weighted average sale price.  The reporting persons hereby undertake to provide upon request to the Securities and Exchange Commission staff, the Issuer or a security holder of the Issuer full information regarding the number of shares and prices at which the transactions were effected."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"Reflects shares of Class B Common Stock (as converted or convertible, as applicable, into a like number of shares of Class A Common Stock) held of record by Dagmar Dolby as the Trustee of the Dagmar Dolby Trust under the Dolby Family Trust instrument, dated May 7, 1999 (the \"Dagmar Dolby Trust\"), voting power over which is shared by the Trustee and David E. Dolby, son of Dagmar Dolby, as Special Trustee of the Dagmar Dolby Trust. This report is filed jointly by Dagmar Dolby and the Dagmar Dolby Trust with respect to the securities held and transactions effected by the Dagmar Dolby Trust.  The reporting persons disclaim beneficial ownership of these securities except to the extent of their respective pecuniary interest therein."}],"balance_after":0,"source":{"system":"sec-edgar","filing":"0001209191-19-043794","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1308547/000120919119043794/doc4.xml","form_type":"4"}},{"id":3453109,"issuer":{"id":2518,"kind":"organization","name":"Dolby Laboratories, Inc.","symbol":"DLB"},"owners":[{"id":18687,"kind":"person","name":"Dolby Dagmar","position":1,"cik":"0001537372","reported_name":"Dolby Dagmar","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":18688,"kind":"organization","name":"DAGMAR DOLBY TRUST UNDER DOLBY FAMILY TRUST INSTRUMENT DATED MAY 7, 1999","position":2,"cik":"0001598813","reported_name":"DAGMAR DOLBY TRUST UNDER DOLBY FAMILY TRUST INSTRUMENT DATED MAY 7, 1999","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class A Common Stock","published_at":"2019-07-31T01:35:09.000Z","date":"2019-07-26","kind":"sale","acquired":false,"shares":48947,"price":66.4949,"value":3254725.8703,"ownership":{"direct":false,"nature":"By Trust"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F3","text":"The shares were sold in multiple transactions at prices ranging from $66.155 to $67.15, inclusive. The price reported above reflects the weighted average sale price.  The reporting persons hereby undertake to provide upon request to the Securities and Exchange Commission staff, the Issuer or a security holder of the Issuer full information regarding the number of shares and prices at which the transactions were effected."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"Reflects shares of Class B Common Stock (as converted or convertible, as applicable, into a like number of shares of Class A Common Stock) held of record by Dagmar Dolby as the Trustee of the Dagmar Dolby Trust under the Dolby Family Trust instrument, dated May 7, 1999 (the \"Dagmar Dolby Trust\"), voting power over which is shared by the Trustee and David E. Dolby, son of Dagmar Dolby, as Special Trustee of the Dagmar Dolby Trust. This report is filed jointly by Dagmar Dolby and the Dagmar Dolby Trust with respect to the securities held and transactions effected by the Dagmar Dolby Trust.  The reporting persons disclaim beneficial ownership of these securities except to the extent of their respective pecuniary interest therein."}],"balance_after":1053,"source":{"system":"sec-edgar","filing":"0001209191-19-043794","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1308547/000120919119043794/doc4.xml","form_type":"4"}},{"id":3453108,"issuer":{"id":2518,"kind":"organization","name":"Dolby Laboratories, Inc.","symbol":"DLB"},"owners":[{"id":18687,"kind":"person","name":"Dolby Dagmar","position":1,"cik":"0001537372","reported_name":"Dolby Dagmar","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":18688,"kind":"organization","name":"DAGMAR DOLBY TRUST UNDER DOLBY FAMILY TRUST INSTRUMENT DATED MAY 7, 1999","position":2,"cik":"0001598813","reported_name":"DAGMAR DOLBY TRUST UNDER DOLBY FAMILY TRUST INSTRUMENT DATED MAY 7, 1999","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class A Common Stock","published_at":"2019-07-31T01:35:09.000Z","date":"2019-07-26","kind":"exercise","acquired":true,"shares":50000,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"By Trust"},"footnotes":[{"field":"security","element":"securityTitle","label":"F1","text":"Each share of Class A Common Stock issued upon conversion of one share of Class B Common Stock at the election of, and at no cost to, the holder."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"Reflects shares of Class B Common Stock (as converted or convertible, as applicable, into a like number of shares of Class A Common Stock) held of record by Dagmar Dolby as the Trustee of the Dagmar Dolby Trust under the Dolby Family Trust instrument, dated May 7, 1999 (the \"Dagmar Dolby Trust\"), voting power over which is shared by the Trustee and David E. Dolby, son of Dagmar Dolby, as Special Trustee of the Dagmar Dolby Trust. This report is filed jointly by Dagmar Dolby and the Dagmar Dolby Trust with respect to the securities held and transactions effected by the Dagmar Dolby Trust.  The reporting persons disclaim beneficial ownership of these securities except to the extent of their respective pecuniary interest therein."}],"balance_after":50000,"source":{"system":"sec-edgar","filing":"0001209191-19-043794","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1308547/000120919119043794/doc4.xml","form_type":"4"}},{"id":3455841,"issuer":{"id":2518,"kind":"organization","name":"Dolby Laboratories, Inc.","symbol":"DLB"},"owners":[{"id":18687,"kind":"person","name":"Dolby Dagmar","position":1,"cik":"0001537372","reported_name":"Dolby Dagmar","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":18688,"kind":"organization","name":"DAGMAR DOLBY TRUST UNDER DOLBY FAMILY TRUST INSTRUMENT DATED MAY 7, 1999","position":2,"cik":"0001598813","reported_name":"DAGMAR DOLBY TRUST UNDER DOLBY FAMILY TRUST INSTRUMENT DATED MAY 7, 1999","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class B Common Stock","published_at":"2019-07-25T23:31:48.000Z","date":"2019-07-25","kind":"exercise","acquired":false,"shares":50000,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"By Trust"},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F5","text":"Shares of Class B Common Stock are convertible, at no cost, at any time at the election of the holder into shares of Class A Common Stock on a 1-for-1 basis."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F5","text":"Shares of Class B Common Stock are convertible, at no cost, at any time at the election of the holder into shares of Class A Common Stock on a 1-for-1 basis."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F5","text":"Shares of Class B Common Stock are convertible, at no cost, at any time at the election of the holder into shares of Class A Common Stock on a 1-for-1 basis."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"Reflects shares of Class B Common Stock (as converted or convertible, as applicable, into a like number of shares of Class A Common Stock) held of record by Dagmar Dolby as the Trustee of the Dagmar Dolby Trust under the Dolby Family Trust instrument, dated May 7, 1999 (the \"Dagmar Dolby Trust\"), voting power over which is shared by the Trustee and David E. Dolby, son of Dagmar Dolby, as Special Trustee of the Dagmar Dolby Trust. This report is filed jointly by Dagmar Dolby and the Dagmar Dolby Trust with respect to the securities held and transactions effected by the Dagmar Dolby Trust.  The reporting persons disclaim beneficial ownership of these securities except to the extent of their respective pecuniary interest therein."}],"balance_after":4192190,"derivative":{"underlying":"Class A Common Stock","underlying_shares":50000},"source":{"system":"sec-edgar","filing":"0001209191-19-043288","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":6,"url":"https://www.sec.gov/Archives/edgar/data/1308547/000120919119043288/doc4.xml","form_type":"4"}},{"id":3455840,"issuer":{"id":2518,"kind":"organization","name":"Dolby Laboratories, Inc.","symbol":"DLB"},"owners":[{"id":18687,"kind":"person","name":"Dolby Dagmar","position":1,"cik":"0001537372","reported_name":"Dolby Dagmar","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":18688,"kind":"organization","name":"DAGMAR DOLBY TRUST UNDER DOLBY FAMILY TRUST INSTRUMENT DATED MAY 7, 1999","position":2,"cik":"0001598813","reported_name":"DAGMAR DOLBY TRUST UNDER DOLBY FAMILY TRUST INSTRUMENT DATED MAY 7, 1999","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class B Common Stock","published_at":"2019-07-25T23:31:48.000Z","date":"2019-07-24","kind":"exercise","acquired":false,"shares":50000,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"By Trust"},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F5","text":"Shares of Class B Common Stock are convertible, at no cost, at any time at the election of the holder into shares of Class A Common Stock on a 1-for-1 basis."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F5","text":"Shares of Class B Common Stock are convertible, at no cost, at any time at the election of the holder into shares of Class A Common Stock on a 1-for-1 basis."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F5","text":"Shares of Class B Common Stock are convertible, at no cost, at any time at the election of the holder into shares of Class A Common Stock on a 1-for-1 basis."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"Reflects shares of Class B Common Stock (as converted or convertible, as applicable, into a like number of shares of Class A Common Stock) held of record by Dagmar Dolby as the Trustee of the Dagmar Dolby Trust under the Dolby Family Trust instrument, dated May 7, 1999 (the \"Dagmar Dolby Trust\"), voting power over which is shared by the Trustee and David E. Dolby, son of Dagmar Dolby, as Special Trustee of the Dagmar Dolby Trust. This report is filed jointly by Dagmar Dolby and the Dagmar Dolby Trust with respect to the securities held and transactions effected by the Dagmar Dolby Trust.  The reporting persons disclaim beneficial ownership of these securities except to the extent of their respective pecuniary interest therein."}],"balance_after":4242190,"derivative":{"underlying":"Class A Common Stock","underlying_shares":50000},"source":{"system":"sec-edgar","filing":"0001209191-19-043288","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/1308547/000120919119043288/doc4.xml","form_type":"4"}},{"id":3455839,"issuer":{"id":2518,"kind":"organization","name":"Dolby Laboratories, Inc.","symbol":"DLB"},"owners":[{"id":18687,"kind":"person","name":"Dolby Dagmar","position":1,"cik":"0001537372","reported_name":"Dolby Dagmar","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":18688,"kind":"organization","name":"DAGMAR DOLBY TRUST UNDER DOLBY FAMILY TRUST INSTRUMENT DATED MAY 7, 1999","position":2,"cik":"0001598813","reported_name":"DAGMAR DOLBY TRUST UNDER DOLBY FAMILY TRUST INSTRUMENT DATED MAY 7, 1999","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class A Common Stock","published_at":"2019-07-25T23:31:48.000Z","date":"2019-07-25","kind":"sale","acquired":false,"shares":50000,"price":66.1213,"value":3306065.0,"ownership":{"direct":false,"nature":"By Trust"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F4","text":"The shares were sold in multiple transactions at prices ranging from $65.635 to $66.35, inclusive. The price reported above reflects the weighted average sale price. The reporting persons hereby undertake to provide upon request to the Securities and Exchange Commission staff, the Issuer or a security holder of the Issuer full information regarding the number of shares and prices at which the transactions were effected."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"Reflects shares of Class B Common Stock (as converted or convertible, as applicable, into a like number of shares of Class A Common Stock) held of record by Dagmar Dolby as the Trustee of the Dagmar Dolby Trust under the Dolby Family Trust instrument, dated May 7, 1999 (the \"Dagmar Dolby Trust\"), voting power over which is shared by the Trustee and David E. Dolby, son of Dagmar Dolby, as Special Trustee of the Dagmar Dolby Trust. This report is filed jointly by Dagmar Dolby and the Dagmar Dolby Trust with respect to the securities held and transactions effected by the Dagmar Dolby Trust.  The reporting persons disclaim beneficial ownership of these securities except to the extent of their respective pecuniary interest therein."}],"balance_after":0,"source":{"system":"sec-edgar","filing":"0001209191-19-043288","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1308547/000120919119043288/doc4.xml","form_type":"4"}},{"id":3455838,"issuer":{"id":2518,"kind":"organization","name":"Dolby Laboratories, Inc.","symbol":"DLB"},"owners":[{"id":18687,"kind":"person","name":"Dolby Dagmar","position":1,"cik":"0001537372","reported_name":"Dolby Dagmar","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":18688,"kind":"organization","name":"DAGMAR DOLBY TRUST UNDER DOLBY FAMILY TRUST INSTRUMENT DATED MAY 7, 1999","position":2,"cik":"0001598813","reported_name":"DAGMAR DOLBY TRUST UNDER DOLBY FAMILY TRUST INSTRUMENT DATED MAY 7, 1999","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class A Common Stock","published_at":"2019-07-25T23:31:48.000Z","date":"2019-07-25","kind":"exercise","acquired":true,"shares":50000,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"By Trust"},"footnotes":[{"field":"security","element":"securityTitle","label":"F1","text":"Each share of Class A Common Stock issued upon conversion of one share of Class B Common Stock at the election of, and at no cost to, the holder."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"Reflects shares of Class B Common Stock (as converted or convertible, as applicable, into a like number of shares of Class A Common Stock) held of record by Dagmar Dolby as the Trustee of the Dagmar Dolby Trust under the Dolby Family Trust instrument, dated May 7, 1999 (the \"Dagmar Dolby Trust\"), voting power over which is shared by the Trustee and David E. Dolby, son of Dagmar Dolby, as Special Trustee of the Dagmar Dolby Trust. This report is filed jointly by Dagmar Dolby and the Dagmar Dolby Trust with respect to the securities held and transactions effected by the Dagmar Dolby Trust.  The reporting persons disclaim beneficial ownership of these securities except to the extent of their respective pecuniary interest therein."}],"balance_after":50000,"source":{"system":"sec-edgar","filing":"0001209191-19-043288","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1308547/000120919119043288/doc4.xml","form_type":"4"}},{"id":3455837,"issuer":{"id":2518,"kind":"organization","name":"Dolby Laboratories, Inc.","symbol":"DLB"},"owners":[{"id":18687,"kind":"person","name":"Dolby Dagmar","position":1,"cik":"0001537372","reported_name":"Dolby Dagmar","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":18688,"kind":"organization","name":"DAGMAR DOLBY TRUST UNDER DOLBY FAMILY TRUST INSTRUMENT DATED MAY 7, 1999","position":2,"cik":"0001598813","reported_name":"DAGMAR DOLBY TRUST UNDER DOLBY FAMILY TRUST INSTRUMENT DATED MAY 7, 1999","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class A Common Stock","published_at":"2019-07-25T23:31:48.000Z","date":"2019-07-24","kind":"sale","acquired":false,"shares":50000,"price":65.9275,"value":3296375.0,"ownership":{"direct":false,"nature":"By Trust"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F3","text":"The shares were sold in multiple transactions at prices ranging from $65.37 to $66.245, inclusive. The price reported above reflects the weighted average sale price.  The reporting persons hereby undertake to provide upon request to the Securities and Exchange Commission staff, the Issuer or a security holder of the Issuer full information regarding the number of shares and prices at which the transactions were effected."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"Reflects shares of Class B Common Stock (as converted or convertible, as applicable, into a like number of shares of Class A Common Stock) held of record by Dagmar Dolby as the Trustee of the Dagmar Dolby Trust under the Dolby Family Trust instrument, dated May 7, 1999 (the \"Dagmar Dolby Trust\"), voting power over which is shared by the Trustee and David E. Dolby, son of Dagmar Dolby, as Special Trustee of the Dagmar Dolby Trust. This report is filed jointly by Dagmar Dolby and the Dagmar Dolby Trust with respect to the securities held and transactions effected by the Dagmar Dolby Trust.  The reporting persons disclaim beneficial ownership of these securities except to the extent of their respective pecuniary interest therein."}],"balance_after":0,"source":{"system":"sec-edgar","filing":"0001209191-19-043288","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1308547/000120919119043288/doc4.xml","form_type":"4"}},{"id":3455836,"issuer":{"id":2518,"kind":"organization","name":"Dolby Laboratories, Inc.","symbol":"DLB"},"owners":[{"id":18687,"kind":"person","name":"Dolby Dagmar","position":1,"cik":"0001537372","reported_name":"Dolby Dagmar","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":18688,"kind":"organization","name":"DAGMAR DOLBY TRUST UNDER DOLBY FAMILY TRUST INSTRUMENT DATED MAY 7, 1999","position":2,"cik":"0001598813","reported_name":"DAGMAR DOLBY TRUST UNDER DOLBY FAMILY TRUST INSTRUMENT DATED MAY 7, 1999","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class A Common Stock","published_at":"2019-07-25T23:31:48.000Z","date":"2019-07-24","kind":"exercise","acquired":true,"shares":50000,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"By Trust"},"footnotes":[{"field":"security","element":"securityTitle","label":"F1","text":"Each share of Class A Common Stock issued upon conversion of one share of Class B Common Stock at the election of, and at no cost to, the holder."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"Reflects shares of Class B Common Stock (as converted or convertible, as applicable, into a like number of shares of Class A Common Stock) held of record by Dagmar Dolby as the Trustee of the Dagmar Dolby Trust under the Dolby Family Trust instrument, dated May 7, 1999 (the \"Dagmar Dolby Trust\"), voting power over which is shared by the Trustee and David E. Dolby, son of Dagmar Dolby, as Special Trustee of the Dagmar Dolby Trust. This report is filed jointly by Dagmar Dolby and the Dagmar Dolby Trust with respect to the securities held and transactions effected by the Dagmar Dolby Trust.  The reporting persons disclaim beneficial ownership of these securities except to the extent of their respective pecuniary interest therein."}],"balance_after":50000,"source":{"system":"sec-edgar","filing":"0001209191-19-043288","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1308547/000120919119043288/doc4.xml","form_type":"4"}},{"id":3456579,"issuer":{"id":2518,"kind":"organization","name":"Dolby Laboratories, Inc.","symbol":"DLB"},"owners":[{"id":18687,"kind":"person","name":"Dolby Dagmar","position":1,"cik":"0001537372","reported_name":"Dolby Dagmar","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":18688,"kind":"organization","name":"DAGMAR DOLBY TRUST UNDER DOLBY FAMILY TRUST INSTRUMENT DATED MAY 7, 1999","position":2,"cik":"0001598813","reported_name":"DAGMAR DOLBY TRUST UNDER DOLBY FAMILY TRUST INSTRUMENT DATED MAY 7, 1999","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class B Common Stock","published_at":"2019-07-24T20:21:02.000Z","date":"2019-07-23","kind":"exercise","acquired":false,"shares":50000,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"By Trust"},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F5","text":"Shares of Class B Common Stock are convertible, at no cost, at any time at the option of the holder into shares of Class A Common Stock on a 1-for-1 basis."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F5","text":"Shares of Class B Common Stock are convertible, at no cost, at any time at the option of the holder into shares of Class A Common Stock on a 1-for-1 basis."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F5","text":"Shares of Class B Common Stock are convertible, at no cost, at any time at the option of the holder into shares of Class A Common Stock on a 1-for-1 basis."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"Reflects shares of Class B Common Stock (as converted or convertible, as applicable, into a like number of shares of Class A Common Stock) held of record by Dagmar Dolby as the Trustee of the Dagmar Dolby Trust under the Dolby Family Trust instrument, dated May 7, 1999 (the \"Dagmar Dolby Trust\"), voting power over which is shared by the Trustee and David E. Dolby, son of Dagmar Dolby, as Special Trustee of the Dagmar Dolby Trust. This report is filed jointly by Dagmar Dolby and the Dagmar Dolby Trust with respect to the securities held and transactions effected by the Dagmar Dolby Trust. The reporting persons disclaim beneficial ownership of these securities except to the extent of their respective pecuniary interest therein."}],"balance_after":4292190,"derivative":{"underlying":"Class A Common Stock","underlying_shares":50000},"source":{"system":"sec-edgar","filing":"0001209191-19-043025","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":14,"url":"https://www.sec.gov/Archives/edgar/data/1308547/000120919119043025/doc4.xml","form_type":"4"}},{"id":3456578,"issuer":{"id":2518,"kind":"organization","name":"Dolby Laboratories, Inc.","symbol":"DLB"},"owners":[{"id":18687,"kind":"person","name":"Dolby Dagmar","position":1,"cik":"0001537372","reported_name":"Dolby Dagmar","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":18688,"kind":"organization","name":"DAGMAR DOLBY TRUST UNDER DOLBY FAMILY TRUST INSTRUMENT DATED MAY 7, 1999","position":2,"cik":"0001598813","reported_name":"DAGMAR DOLBY TRUST UNDER DOLBY FAMILY TRUST INSTRUMENT DATED MAY 7, 1999","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class B Common Stock","published_at":"2019-07-24T20:21:02.000Z","date":"2019-07-22","kind":"gift","acquired":true,"shares":3700000,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"By Trust"},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F5","text":"Shares of Class B Common Stock are convertible, at no cost, at any time at the option of the holder into shares of Class A Common Stock on a 1-for-1 basis."},{"field":"kind","element":"transactionCoding","label":"F12","text":"On July 22, 2019, the Dagmar Dolby Trust contributed 3,700,000 shares of Class B Common Stock to a newly formed grantor retained annuity trust, the Dagmar Dolby 2019 Trust BB (as defined below). Such share contribution was effected solely for tax and estate planning purposes, and was a transfer for no value without the payment or receipt of any funds or other consideration by any reporting person in exchange therefor. Applicable rules consider such a share contribution to be exempt from the reporting requirements of Section 16(a) and the provisions of Section 16(b) of the Exchange Act, and as a result the reporting persons are voluntarily reporting such share contribution on this Form 4."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F5","text":"Shares of Class B Common Stock are convertible, at no cost, at any time at the option of the holder into shares of Class A Common Stock on a 1-for-1 basis."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F5","text":"Shares of Class B Common Stock are convertible, at no cost, at any time at the option of the holder into shares of Class A Common Stock on a 1-for-1 basis."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F13","text":"Reflects shares of Class B Common Stock (convertible into a like number of shares of Class A Common Stock) held of record by Dagmar Dolby as the Trustee of the Dagmar Dolby 2019 Trust BB, dated July 22, 2019 (the \"Dagmar Dolby 2019 Trust BB\"), voting power over which is held by David E. Dolby as Special Trustee of the Dagmar Dolby 2019 Trust BB. This report is filed by Dagmar Dolby with respect to the securities held and transactions effected by the Dagmar Dolby 2019 Trust BB. The reporting person disclaims beneficial ownership of these securities except to the extent of her pecuniary interest therein."}],"balance_after":3700000,"derivative":{"underlying":"Class A Common Stock","underlying_shares":3700000},"source":{"system":"sec-edgar","filing":"0001209191-19-043025","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":13,"url":"https://www.sec.gov/Archives/edgar/data/1308547/000120919119043025/doc4.xml","form_type":"4"}},{"id":3456577,"issuer":{"id":2518,"kind":"organization","name":"Dolby Laboratories, Inc.","symbol":"DLB"},"owners":[{"id":18687,"kind":"person","name":"Dolby Dagmar","position":1,"cik":"0001537372","reported_name":"Dolby Dagmar","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":18688,"kind":"organization","name":"DAGMAR DOLBY TRUST UNDER DOLBY FAMILY TRUST INSTRUMENT DATED MAY 7, 1999","position":2,"cik":"0001598813","reported_name":"DAGMAR DOLBY TRUST UNDER DOLBY FAMILY TRUST INSTRUMENT DATED MAY 7, 1999","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class B Common Stock","published_at":"2019-07-24T20:21:02.000Z","date":"2019-07-22","kind":"gift","acquired":false,"shares":3700000,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"By Trust"},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F5","text":"Shares of Class B Common Stock are convertible, at no cost, at any time at the option of the holder into shares of Class A Common Stock on a 1-for-1 basis."},{"field":"kind","element":"transactionCoding","label":"F12","text":"On July 22, 2019, the Dagmar Dolby Trust contributed 3,700,000 shares of Class B Common Stock to a newly formed grantor retained annuity trust, the Dagmar Dolby 2019 Trust BB (as defined below). Such share contribution was effected solely for tax and estate planning purposes, and was a transfer for no value without the payment or receipt of any funds or other consideration by any reporting person in exchange therefor. Applicable rules consider such a share contribution to be exempt from the reporting requirements of Section 16(a) and the provisions of Section 16(b) of the Exchange Act, and as a result the reporting persons are voluntarily reporting such share contribution on this Form 4."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F5","text":"Shares of Class B Common Stock are convertible, at no cost, at any time at the option of the holder into shares of Class A Common Stock on a 1-for-1 basis."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F5","text":"Shares of Class B Common Stock are convertible, at no cost, at any time at the option of the holder into shares of Class A Common Stock on a 1-for-1 basis."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"Reflects shares of Class B Common Stock (as converted or convertible, as applicable, into a like number of shares of Class A Common Stock) held of record by Dagmar Dolby as the Trustee of the Dagmar Dolby Trust under the Dolby Family Trust instrument, dated May 7, 1999 (the \"Dagmar Dolby Trust\"), voting power over which is shared by the Trustee and David E. Dolby, son of Dagmar Dolby, as Special Trustee of the Dagmar Dolby Trust. This report is filed jointly by Dagmar Dolby and the Dagmar Dolby Trust with respect to the securities held and transactions effected by the Dagmar Dolby Trust. The reporting persons disclaim beneficial ownership of these securities except to the extent of their respective pecuniary interest therein."}],"balance_after":4342190,"derivative":{"underlying":"Class A Common Stock","underlying_shares":3700000},"source":{"system":"sec-edgar","filing":"0001209191-19-043025","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":12,"url":"https://www.sec.gov/Archives/edgar/data/1308547/000120919119043025/doc4.xml","form_type":"4"}},{"id":3456576,"issuer":{"id":2518,"kind":"organization","name":"Dolby Laboratories, Inc.","symbol":"DLB"},"owners":[{"id":18687,"kind":"person","name":"Dolby Dagmar","position":1,"cik":"0001537372","reported_name":"Dolby Dagmar","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":18688,"kind":"organization","name":"DAGMAR DOLBY TRUST UNDER DOLBY FAMILY TRUST INSTRUMENT DATED MAY 7, 1999","position":2,"cik":"0001598813","reported_name":"DAGMAR DOLBY TRUST UNDER DOLBY FAMILY TRUST INSTRUMENT DATED MAY 7, 1999","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class B Common Stock","published_at":"2019-07-24T20:21:02.000Z","date":"2019-07-22","kind":"gift","acquired":true,"shares":1975000,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"By Trust"},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F5","text":"Shares of Class B Common Stock are convertible, at no cost, at any time at the option of the holder into shares of Class A Common Stock on a 1-for-1 basis."},{"field":"kind","element":"transactionCoding","label":"F10","text":"On July 22, 2019, the Dagmar Dolby 2018 Trust BB (as defined below), which is a grantor retained annuity trust, transferred 1,975,000 shares of Class B Common Stock to the Dagmar Dolby Trust. Such share transfer was effected in satisfaction of the annuity payment requirements, and in accordance with the terms, of the Dagmar Dolby 2018 Trust BB's trust instrument, and was a transfer for no value without the payment or receipt of any funds or other consideration by any reporting person in exchange therefor. Applicable rules consider such a share transfer to be exempt from the reporting requirements of Section 16(a) and the provisions of Section 16(b) of the Securities Exchange Act of 1934, as amended (the \"Exchange Act\"), and as a result the reporting persons are voluntarily reporting such share transfer on this Form 4."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F5","text":"Shares of Class B Common Stock are convertible, at no cost, at any time at the option of the holder into shares of Class A Common Stock on a 1-for-1 basis."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F5","text":"Shares of Class B Common Stock are convertible, at no cost, at any time at the option of the holder into shares of Class A Common Stock on a 1-for-1 basis."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"Reflects shares of Class B Common Stock (as converted or convertible, as applicable, into a like number of shares of Class A Common Stock) held of record by Dagmar Dolby as the Trustee of the Dagmar Dolby Trust under the Dolby Family Trust instrument, dated May 7, 1999 (the \"Dagmar Dolby Trust\"), voting power over which is shared by the Trustee and David E. Dolby, son of Dagmar Dolby, as Special Trustee of the Dagmar Dolby Trust. This report is filed jointly by Dagmar Dolby and the Dagmar Dolby Trust with respect to the securities held and transactions effected by the Dagmar Dolby Trust. The reporting persons disclaim beneficial ownership of these securities except to the extent of their respective pecuniary interest therein."}],"balance_after":8042190,"derivative":{"underlying":"Class A Common Stock","underlying_shares":1975000},"source":{"system":"sec-edgar","filing":"0001209191-19-043025","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":11,"url":"https://www.sec.gov/Archives/edgar/data/1308547/000120919119043025/doc4.xml","form_type":"4"}},{"id":3456575,"issuer":{"id":2518,"kind":"organization","name":"Dolby Laboratories, Inc.","symbol":"DLB"},"owners":[{"id":18687,"kind":"person","name":"Dolby Dagmar","position":1,"cik":"0001537372","reported_name":"Dolby Dagmar","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":18688,"kind":"organization","name":"DAGMAR DOLBY TRUST UNDER DOLBY FAMILY TRUST INSTRUMENT DATED MAY 7, 1999","position":2,"cik":"0001598813","reported_name":"DAGMAR DOLBY TRUST UNDER DOLBY FAMILY TRUST INSTRUMENT DATED MAY 7, 1999","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class B Common Stock","published_at":"2019-07-24T20:21:02.000Z","date":"2019-07-22","kind":"gift","acquired":false,"shares":1975000,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"By Trust"},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F5","text":"Shares of Class B Common Stock are convertible, at no cost, at any time at the option of the holder into shares of Class A Common Stock on a 1-for-1 basis."},{"field":"kind","element":"transactionCoding","label":"F10","text":"On July 22, 2019, the Dagmar Dolby 2018 Trust BB (as defined below), which is a grantor retained annuity trust, transferred 1,975,000 shares of Class B Common Stock to the Dagmar Dolby Trust. Such share transfer was effected in satisfaction of the annuity payment requirements, and in accordance with the terms, of the Dagmar Dolby 2018 Trust BB's trust instrument, and was a transfer for no value without the payment or receipt of any funds or other consideration by any reporting person in exchange therefor. Applicable rules consider such a share transfer to be exempt from the reporting requirements of Section 16(a) and the provisions of Section 16(b) of the Securities Exchange Act of 1934, as amended (the \"Exchange Act\"), and as a result the reporting persons are voluntarily reporting such share transfer on this Form 4."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F5","text":"Shares of Class B Common Stock are convertible, at no cost, at any time at the option of the holder into shares of Class A Common Stock on a 1-for-1 basis."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F5","text":"Shares of Class B Common Stock are convertible, at no cost, at any time at the option of the holder into shares of Class A Common Stock on a 1-for-1 basis."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F11","text":"Reflects shares of Class B Common Stock (convertible into a like number of shares of Class A Common Stock) held of record by Dagmar Dolby as the Trustee of the Dagmar Dolby 2018 Trust BB, dated June 20, 2018 (the \"Dagmar Dolby 2018 Trust BB\"), voting power over which is held by David E. Dolby as Special Trustee of the Dagmar Dolby 2018 Trust BB. This report is filed by Dagmar Dolby with respect to the securities held by the Dagmar Dolby 2018 Trust BB. The reporting person disclaims beneficial ownership of these securities except to the extent of her pecuniary interest therein."}],"balance_after":1825000,"derivative":{"underlying":"Class A Common Stock","underlying_shares":1975000},"source":{"system":"sec-edgar","filing":"0001209191-19-043025","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":10,"url":"https://www.sec.gov/Archives/edgar/data/1308547/000120919119043025/doc4.xml","form_type":"4"}},{"id":3456574,"issuer":{"id":2518,"kind":"organization","name":"Dolby Laboratories, Inc.","symbol":"DLB"},"owners":[{"id":18687,"kind":"person","name":"Dolby Dagmar","position":1,"cik":"0001537372","reported_name":"Dolby Dagmar","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":18688,"kind":"organization","name":"DAGMAR DOLBY TRUST UNDER DOLBY FAMILY TRUST INSTRUMENT DATED MAY 7, 1999","position":2,"cik":"0001598813","reported_name":"DAGMAR DOLBY TRUST UNDER DOLBY FAMILY TRUST INSTRUMENT DATED MAY 7, 1999","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class B Common Stock","published_at":"2019-07-24T20:21:02.000Z","date":"2019-07-22","kind":"gift","acquired":true,"shares":403600,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"By Trust"},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F5","text":"Shares of Class B Common Stock are convertible, at no cost, at any time at the option of the holder into shares of Class A Common Stock on a 1-for-1 basis."},{"field":"kind","element":"transactionCoding","label":"F8","text":"On July 22, 2019, the Dagmar Dolby 2017 Trust BB (as defined below), which is a grantor retained annuity trust, transferred 403,600 shares of Class B Common Stock to the Dagmar Dolby 2016 Trust B (as defined below). Such share transfer was effected in satisfaction of the annuity payment requirements, and in accordance with the terms, of the Dagmar Dolby 2017 Trust BB's trust instrument, and was a transfer for no value without the payment or receipt of any funds or other consideration by any reporting person in exchange therefor. Applicable rules consider such a share transfer to be exempt from the reporting requirements of Section 16(a) and the provisions of Section 16(b) of the Securities Exchange Act of 1934, as amended (the \"Exchange Act\"), and as a result the reporting persons are voluntarily reporting such share transfer on this Form 4."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F5","text":"Shares of Class B Common Stock are convertible, at no cost, at any time at the option of the holder into shares of Class A Common Stock on a 1-for-1 basis."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F5","text":"Shares of Class B Common Stock are convertible, at no cost, at any time at the option of the holder into shares of Class A Common Stock on a 1-for-1 basis."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F9","text":"Reflects shares of Class B Common Stock (convertible into a like number of shares of Class A Common Stock) held of record by Dagmar Dolby as the Trustee of the Dagmar Dolby 2016 Trust B, dated March 23, 2016 (the \"Dagmar Dolby 2016 Trust B\"), voting power over which is held by David E. Dolby as Special Trustee of the Dagmar Dolby 2016 Trust B. This report is filed by Dagmar Dolby with respect to the securities held and transactions effected by the Dagmar Dolby 2016 Trust B. The reporting person disclaims beneficial ownership of these securities except to the extent of her pecuniary interest therein."}],"balance_after":403600,"derivative":{"underlying":"Class A Common Stock","underlying_shares":403600},"source":{"system":"sec-edgar","filing":"0001209191-19-043025","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":9,"url":"https://www.sec.gov/Archives/edgar/data/1308547/000120919119043025/doc4.xml","form_type":"4"}},{"id":3456573,"issuer":{"id":2518,"kind":"organization","name":"Dolby Laboratories, Inc.","symbol":"DLB"},"owners":[{"id":18687,"kind":"person","name":"Dolby Dagmar","position":1,"cik":"0001537372","reported_name":"Dolby Dagmar","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":18688,"kind":"organization","name":"DAGMAR DOLBY TRUST UNDER DOLBY FAMILY TRUST INSTRUMENT DATED MAY 7, 1999","position":2,"cik":"0001598813","reported_name":"DAGMAR DOLBY TRUST UNDER DOLBY FAMILY TRUST INSTRUMENT DATED MAY 7, 1999","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class B Common Stock","published_at":"2019-07-24T20:21:02.000Z","date":"2019-07-22","kind":"gift","acquired":false,"shares":403600,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"By Trust"},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F5","text":"Shares of Class B Common Stock are convertible, at no cost, at any time at the option of the holder into shares of Class A Common Stock on a 1-for-1 basis."},{"field":"kind","element":"transactionCoding","label":"F8","text":"On July 22, 2019, the Dagmar Dolby 2017 Trust BB (as defined below), which is a grantor retained annuity trust, transferred 403,600 shares of Class B Common Stock to the Dagmar Dolby 2016 Trust B (as defined below). Such share transfer was effected in satisfaction of the annuity payment requirements, and in accordance with the terms, of the Dagmar Dolby 2017 Trust BB's trust instrument, and was a transfer for no value without the payment or receipt of any funds or other consideration by any reporting person in exchange therefor. Applicable rules consider such a share transfer to be exempt from the reporting requirements of Section 16(a) and the provisions of Section 16(b) of the Securities Exchange Act of 1934, as amended (the \"Exchange Act\"), and as a result the reporting persons are voluntarily reporting such share transfer on this Form 4."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F5","text":"Shares of Class B Common Stock are convertible, at no cost, at any time at the option of the holder into shares of Class A Common Stock on a 1-for-1 basis."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F5","text":"Shares of Class B Common Stock are convertible, at no cost, at any time at the option of the holder into shares of Class A Common Stock on a 1-for-1 basis."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F7","text":"Reflects shares of Class B Common Stock (convertible into a like number of shares of Class A Common Stock) held of record by Dagmar Dolby as the Trustee of the Dagmar Dolby 2017 Trust BB, dated May 25, 2017 (the \"Dagmar Dolby 2017 Trust BB\"), voting power over which is held by David E. Dolby as Special Trustee of the Dagmar Dolby 2017 Trust BB. This report is filed by Dagmar Dolby with respect to the securities held by the Dagmar Dolby 2017 Trust BB. The reporting person disclaims beneficial ownership of these securities except to the extent of her pecuniary interest therein."}],"balance_after":0,"derivative":{"underlying":"Class A Common Stock","underlying_shares":403600},"source":{"system":"sec-edgar","filing":"0001209191-19-043025","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":8,"url":"https://www.sec.gov/Archives/edgar/data/1308547/000120919119043025/doc4.xml","form_type":"4"}},{"id":3456572,"issuer":{"id":2518,"kind":"organization","name":"Dolby Laboratories, Inc.","symbol":"DLB"},"owners":[{"id":18687,"kind":"person","name":"Dolby Dagmar","position":1,"cik":"0001537372","reported_name":"Dolby Dagmar","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":18688,"kind":"organization","name":"DAGMAR DOLBY TRUST UNDER DOLBY FAMILY TRUST INSTRUMENT DATED MAY 7, 1999","position":2,"cik":"0001598813","reported_name":"DAGMAR DOLBY TRUST UNDER DOLBY FAMILY TRUST INSTRUMENT DATED MAY 7, 1999","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class B Common Stock","published_at":"2019-07-24T20:21:02.000Z","date":"2019-07-22","kind":"gift","acquired":true,"shares":770000,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"By Trust"},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F5","text":"Shares of Class B Common Stock are convertible, at no cost, at any time at the option of the holder into shares of Class A Common Stock on a 1-for-1 basis."},{"field":"kind","element":"transactionCoding","label":"F6","text":"On July 22, 2019, the Dagmar Dolby 2017 Trust BB (as defined below), which is a grantor retained annuity trust, transferred 770,000 shares of Class B Common Stock to the Dagmar Dolby Trust. Such share transfer was effected in satisfaction of the annuity payment requirements, and in accordance with the terms, of the Dagmar Dolby 2017 Trust BB's trust instrument, and was a transfer for no value without the payment or receipt of any funds or other consideration by any reporting person in exchange therefor. Applicable rules consider such a share transfer to be exempt from the reporting requirements of Section 16(a) and the provisions of Section 16(b) of the Securities Exchange Act of 1934, as amended (the \"Exchange Act\"), and as a result the reporting persons are voluntarily reporting such share transfer on this Form 4."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F5","text":"Shares of Class B Common Stock are convertible, at no cost, at any time at the option of the holder into shares of Class A Common Stock on a 1-for-1 basis."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F5","text":"Shares of Class B Common Stock are convertible, at no cost, at any time at the option of the holder into shares of Class A Common Stock on a 1-for-1 basis."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"Reflects shares of Class B Common Stock (as converted or convertible, as applicable, into a like number of shares of Class A Common Stock) held of record by Dagmar Dolby as the Trustee of the Dagmar Dolby Trust under the Dolby Family Trust instrument, dated May 7, 1999 (the \"Dagmar Dolby Trust\"), voting power over which is shared by the Trustee and David E. Dolby, son of Dagmar Dolby, as Special Trustee of the Dagmar Dolby Trust. This report is filed jointly by Dagmar Dolby and the Dagmar Dolby Trust with respect to the securities held and transactions effected by the Dagmar Dolby Trust. The reporting persons disclaim beneficial ownership of these securities except to the extent of their respective pecuniary interest therein."}],"balance_after":6067190,"derivative":{"underlying":"Class A Common Stock","underlying_shares":770000},"source":{"system":"sec-edgar","filing":"0001209191-19-043025","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":7,"url":"https://www.sec.gov/Archives/edgar/data/1308547/000120919119043025/doc4.xml","form_type":"4"}},{"id":3456571,"issuer":{"id":2518,"kind":"organization","name":"Dolby Laboratories, Inc.","symbol":"DLB"},"owners":[{"id":18687,"kind":"person","name":"Dolby Dagmar","position":1,"cik":"0001537372","reported_name":"Dolby Dagmar","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":18688,"kind":"organization","name":"DAGMAR DOLBY TRUST UNDER DOLBY FAMILY TRUST INSTRUMENT DATED MAY 7, 1999","position":2,"cik":"0001598813","reported_name":"DAGMAR DOLBY TRUST UNDER DOLBY FAMILY TRUST INSTRUMENT DATED MAY 7, 1999","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class B Common Stock","published_at":"2019-07-24T20:21:02.000Z","date":"2019-07-22","kind":"gift","acquired":false,"shares":770000,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"By Trust"},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F5","text":"Shares of Class B Common Stock are convertible, at no cost, at any time at the option of the holder into shares of Class A Common Stock on a 1-for-1 basis."},{"field":"kind","element":"transactionCoding","label":"F6","text":"On July 22, 2019, the Dagmar Dolby 2017 Trust BB (as defined below), which is a grantor retained annuity trust, transferred 770,000 shares of Class B Common Stock to the Dagmar Dolby Trust. Such share transfer was effected in satisfaction of the annuity payment requirements, and in accordance with the terms, of the Dagmar Dolby 2017 Trust BB's trust instrument, and was a transfer for no value without the payment or receipt of any funds or other consideration by any reporting person in exchange therefor. Applicable rules consider such a share transfer to be exempt from the reporting requirements of Section 16(a) and the provisions of Section 16(b) of the Securities Exchange Act of 1934, as amended (the \"Exchange Act\"), and as a result the reporting persons are voluntarily reporting such share transfer on this Form 4."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F5","text":"Shares of Class B Common Stock are convertible, at no cost, at any time at the option of the holder into shares of Class A Common Stock on a 1-for-1 basis."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F5","text":"Shares of Class B Common Stock are convertible, at no cost, at any time at the option of the holder into shares of Class A Common Stock on a 1-for-1 basis."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F7","text":"Reflects shares of Class B Common Stock (convertible into a like number of shares of Class A Common Stock) held of record by Dagmar Dolby as the Trustee of the Dagmar Dolby 2017 Trust BB, dated May 25, 2017 (the \"Dagmar Dolby 2017 Trust BB\"), voting power over which is held by David E. Dolby as Special Trustee of the Dagmar Dolby 2017 Trust BB. This report is filed by Dagmar Dolby with respect to the securities held by the Dagmar Dolby 2017 Trust BB. The reporting person disclaims beneficial ownership of these securities except to the extent of her pecuniary interest therein."}],"balance_after":403600,"derivative":{"underlying":"Class A Common Stock","underlying_shares":770000},"source":{"system":"sec-edgar","filing":"0001209191-19-043025","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":6,"url":"https://www.sec.gov/Archives/edgar/data/1308547/000120919119043025/doc4.xml","form_type":"4"}},{"id":3456570,"issuer":{"id":2518,"kind":"organization","name":"Dolby Laboratories, Inc.","symbol":"DLB"},"owners":[{"id":18687,"kind":"person","name":"Dolby Dagmar","position":1,"cik":"0001537372","reported_name":"Dolby Dagmar","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":18688,"kind":"organization","name":"DAGMAR DOLBY TRUST UNDER DOLBY FAMILY TRUST INSTRUMENT DATED MAY 7, 1999","position":2,"cik":"0001598813","reported_name":"DAGMAR DOLBY TRUST UNDER DOLBY FAMILY TRUST INSTRUMENT DATED MAY 7, 1999","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class B Common Stock","published_at":"2019-07-24T20:21:02.000Z","date":"2019-07-22","kind":"exercise","acquired":false,"shares":50000,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"By Trust"},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F5","text":"Shares of Class B Common Stock are convertible, at no cost, at any time at the option of the holder into shares of Class A Common Stock on a 1-for-1 basis."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F5","text":"Shares of Class B Common Stock are convertible, at no cost, at any time at the option of the holder into shares of Class A Common Stock on a 1-for-1 basis."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F5","text":"Shares of Class B Common Stock are convertible, at no cost, at any time at the option of the holder into shares of Class A Common Stock on a 1-for-1 basis."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"Reflects shares of Class B Common Stock (as converted or convertible, as applicable, into a like number of shares of Class A Common Stock) held of record by Dagmar Dolby as the Trustee of the Dagmar Dolby Trust under the Dolby Family Trust instrument, dated May 7, 1999 (the \"Dagmar Dolby Trust\"), voting power over which is shared by the Trustee and David E. Dolby, son of Dagmar Dolby, as Special Trustee of the Dagmar Dolby Trust. This report is filed jointly by Dagmar Dolby and the Dagmar Dolby Trust with respect to the securities held and transactions effected by the Dagmar Dolby Trust. The reporting persons disclaim beneficial ownership of these securities except to the extent of their respective pecuniary interest therein."}],"balance_after":5297190,"derivative":{"underlying":"Class A Common Stock","underlying_shares":50000},"source":{"system":"sec-edgar","filing":"0001209191-19-043025","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/1308547/000120919119043025/doc4.xml","form_type":"4"}},{"id":3456569,"issuer":{"id":2518,"kind":"organization","name":"Dolby Laboratories, Inc.","symbol":"DLB"},"owners":[{"id":18687,"kind":"person","name":"Dolby Dagmar","position":1,"cik":"0001537372","reported_name":"Dolby Dagmar","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":18688,"kind":"organization","name":"DAGMAR DOLBY TRUST UNDER DOLBY FAMILY TRUST INSTRUMENT DATED MAY 7, 1999","position":2,"cik":"0001598813","reported_name":"DAGMAR DOLBY TRUST UNDER DOLBY FAMILY TRUST INSTRUMENT DATED MAY 7, 1999","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class A Common Stock","published_at":"2019-07-24T20:21:02.000Z","date":"2019-07-23","kind":"sale","acquired":false,"shares":50000,"price":65.5138,"value":3275690.0,"ownership":{"direct":false,"nature":"By Trust"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F4","text":"The shares were sold in multiple transactions at prices ranging from $65.175 to $65.81, inclusive. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide upon request to the Securities and Exchange Commission staff, the Issuer or a security holder of the Issuer full information regarding the number of shares and prices at which the transactions were effected."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"Reflects shares of Class B Common Stock (as converted or convertible, as applicable, into a like number of shares of Class A Common Stock) held of record by Dagmar Dolby as the Trustee of the Dagmar Dolby Trust under the Dolby Family Trust instrument, dated May 7, 1999 (the \"Dagmar Dolby Trust\"), voting power over which is shared by the Trustee and David E. Dolby, son of Dagmar Dolby, as Special Trustee of the Dagmar Dolby Trust. This report is filed jointly by Dagmar Dolby and the Dagmar Dolby Trust with respect to the securities held and transactions effected by the Dagmar Dolby Trust. The reporting persons disclaim beneficial ownership of these securities except to the extent of their respective pecuniary interest therein."}],"balance_after":0,"source":{"system":"sec-edgar","filing":"0001209191-19-043025","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1308547/000120919119043025/doc4.xml","form_type":"4"}},{"id":3456568,"issuer":{"id":2518,"kind":"organization","name":"Dolby Laboratories, Inc.","symbol":"DLB"},"owners":[{"id":18687,"kind":"person","name":"Dolby Dagmar","position":1,"cik":"0001537372","reported_name":"Dolby Dagmar","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":18688,"kind":"organization","name":"DAGMAR DOLBY TRUST UNDER DOLBY FAMILY TRUST INSTRUMENT DATED MAY 7, 1999","position":2,"cik":"0001598813","reported_name":"DAGMAR DOLBY TRUST UNDER DOLBY FAMILY TRUST INSTRUMENT DATED MAY 7, 1999","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class A Common Stock","published_at":"2019-07-24T20:21:02.000Z","date":"2019-07-23","kind":"exercise","acquired":true,"shares":50000,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"By Trust"},"footnotes":[{"field":"security","element":"securityTitle","label":"F1","text":"Each share of Class A Common Stock issued upon conversion of one share of Class B Common Stock at the election of the holder."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"Reflects shares of Class B Common Stock (as converted or convertible, as applicable, into a like number of shares of Class A Common Stock) held of record by Dagmar Dolby as the Trustee of the Dagmar Dolby Trust under the Dolby Family Trust instrument, dated May 7, 1999 (the \"Dagmar Dolby Trust\"), voting power over which is shared by the Trustee and David E. Dolby, son of Dagmar Dolby, as Special Trustee of the Dagmar Dolby Trust. This report is filed jointly by Dagmar Dolby and the Dagmar Dolby Trust with respect to the securities held and transactions effected by the Dagmar Dolby Trust. The reporting persons disclaim beneficial ownership of these securities except to the extent of their respective pecuniary interest therein."}],"balance_after":50000,"source":{"system":"sec-edgar","filing":"0001209191-19-043025","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1308547/000120919119043025/doc4.xml","form_type":"4"}},{"id":3456567,"issuer":{"id":2518,"kind":"organization","name":"Dolby Laboratories, Inc.","symbol":"DLB"},"owners":[{"id":18687,"kind":"person","name":"Dolby Dagmar","position":1,"cik":"0001537372","reported_name":"Dolby Dagmar","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":18688,"kind":"organization","name":"DAGMAR DOLBY TRUST UNDER DOLBY FAMILY TRUST INSTRUMENT DATED MAY 7, 1999","position":2,"cik":"0001598813","reported_name":"DAGMAR DOLBY TRUST UNDER DOLBY FAMILY TRUST INSTRUMENT DATED MAY 7, 1999","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class A Common Stock","published_at":"2019-07-24T20:21:02.000Z","date":"2019-07-22","kind":"sale","acquired":false,"shares":50000,"price":65.3255,"value":3266275.0,"ownership":{"direct":false,"nature":"By Trust"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F3","text":"The shares were sold in multiple transactions at prices ranging from $65.01 to $65.58, inclusive. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide upon request to the Securities and Exchange Commission staff, the Issuer or a security holder of the Issuer full information regarding the number of shares and prices at which the transactions were effected."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"Reflects shares of Class B Common Stock (as converted or convertible, as applicable, into a like number of shares of Class A Common Stock) held of record by Dagmar Dolby as the Trustee of the Dagmar Dolby Trust under the Dolby Family Trust instrument, dated May 7, 1999 (the \"Dagmar Dolby Trust\"), voting power over which is shared by the Trustee and David E. Dolby, son of Dagmar Dolby, as Special Trustee of the Dagmar Dolby Trust. This report is filed jointly by Dagmar Dolby and the Dagmar Dolby Trust with respect to the securities held and transactions effected by the Dagmar Dolby Trust. The reporting persons disclaim beneficial ownership of these securities except to the extent of their respective pecuniary interest therein."}],"balance_after":0,"source":{"system":"sec-edgar","filing":"0001209191-19-043025","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1308547/000120919119043025/doc4.xml","form_type":"4"}},{"id":3456566,"issuer":{"id":2518,"kind":"organization","name":"Dolby Laboratories, Inc.","symbol":"DLB"},"owners":[{"id":18687,"kind":"person","name":"Dolby Dagmar","position":1,"cik":"0001537372","reported_name":"Dolby Dagmar","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":18688,"kind":"organization","name":"DAGMAR DOLBY TRUST UNDER DOLBY FAMILY TRUST INSTRUMENT DATED MAY 7, 1999","position":2,"cik":"0001598813","reported_name":"DAGMAR DOLBY TRUST UNDER DOLBY FAMILY TRUST INSTRUMENT DATED MAY 7, 1999","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class A Common Stock","published_at":"2019-07-24T20:21:02.000Z","date":"2019-07-22","kind":"exercise","acquired":true,"shares":50000,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"By Trust"},"footnotes":[{"field":"security","element":"securityTitle","label":"F1","text":"Each share of Class A Common Stock issued upon conversion of one share of Class B Common Stock at the election of the holder."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"Reflects shares of Class B Common Stock (as converted or convertible, as applicable, into a like number of shares of Class A Common Stock) held of record by Dagmar Dolby as the Trustee of the Dagmar Dolby Trust under the Dolby Family Trust instrument, dated May 7, 1999 (the \"Dagmar Dolby Trust\"), voting power over which is shared by the Trustee and David E. Dolby, son of Dagmar Dolby, as Special Trustee of the Dagmar Dolby Trust. This report is filed jointly by Dagmar Dolby and the Dagmar Dolby Trust with respect to the securities held and transactions effected by the Dagmar Dolby Trust. The reporting persons disclaim beneficial ownership of these securities except to the extent of their respective pecuniary interest therein."}],"balance_after":50000,"source":{"system":"sec-edgar","filing":"0001209191-19-043025","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1308547/000120919119043025/doc4.xml","form_type":"4"}},{"id":3458439,"issuer":{"id":2518,"kind":"organization","name":"Dolby Laboratories, Inc.","symbol":"DLB"},"owners":[{"id":18687,"kind":"person","name":"Dolby Dagmar","position":1,"cik":"0001537372","reported_name":"Dolby Dagmar","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":18688,"kind":"organization","name":"DAGMAR DOLBY TRUST UNDER DOLBY FAMILY TRUST INSTRUMENT DATED MAY 7, 1999","position":2,"cik":"0001598813","reported_name":"DAGMAR DOLBY TRUST UNDER DOLBY FAMILY TRUST INSTRUMENT DATED MAY 7, 1999","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class B Common Stock","published_at":"2019-07-19T22:58:45.000Z","date":"2019-07-19","kind":"exercise","acquired":false,"shares":50000,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"By Trust"},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F5","text":"Shares of Class B Common Stock are convertible, at no cost, at any time at the election of the holder into shares of Class A Common Stock on a 1-for-1 basis."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F5","text":"Shares of Class B Common Stock are convertible, at no cost, at any time at the election of the holder into shares of Class A Common Stock on a 1-for-1 basis."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F5","text":"Shares of Class B Common Stock are convertible, at no cost, at any time at the election of the holder into shares of Class A Common Stock on a 1-for-1 basis."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"Reflects shares of Class B Common Stock (as converted or convertible, as applicable, into a like number of shares of Class A Common Stock) held of record by Dagmar Dolby as the Trustee of the Dagmar Dolby Trust under the Dolby Family Trust instrument, dated May 7, 1999 (the \"Dagmar Dolby Trust\"), voting power over which is shared by the Trustee and David E. Dolby, son of Dagmar Dolby, as Special Trustee of the Dagmar Dolby Trust. This report is filed jointly by Dagmar Dolby and the Dagmar Dolby Trust with respect to the securities held and transactions effected by the Dagmar Dolby Trust.  The reporting persons disclaim beneficial ownership of these securities except to the extent of their respective pecuniary interest therein."}],"balance_after":5347190,"derivative":{"underlying":"Class A Common Stock","underlying_shares":50000},"source":{"system":"sec-edgar","filing":"0001209191-19-042816","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":6,"url":"https://www.sec.gov/Archives/edgar/data/1308547/000120919119042816/doc4.xml","form_type":"4"}},{"id":3458438,"issuer":{"id":2518,"kind":"organization","name":"Dolby Laboratories, Inc.","symbol":"DLB"},"owners":[{"id":18687,"kind":"person","name":"Dolby Dagmar","position":1,"cik":"0001537372","reported_name":"Dolby Dagmar","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":18688,"kind":"organization","name":"DAGMAR DOLBY TRUST UNDER DOLBY FAMILY TRUST INSTRUMENT DATED MAY 7, 1999","position":2,"cik":"0001598813","reported_name":"DAGMAR DOLBY TRUST UNDER DOLBY FAMILY TRUST INSTRUMENT DATED MAY 7, 1999","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class B Common Stock","published_at":"2019-07-19T22:58:45.000Z","date":"2019-07-18","kind":"exercise","acquired":false,"shares":50000,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"By Trust"},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F5","text":"Shares of Class B Common Stock are convertible, at no cost, at any time at the election of the holder into shares of Class A Common Stock on a 1-for-1 basis."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F5","text":"Shares of Class B Common Stock are convertible, at no cost, at any time at the election of the holder into shares of Class A Common Stock on a 1-for-1 basis."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F5","text":"Shares of Class B Common Stock are convertible, at no cost, at any time at the election of the holder into shares of Class A Common Stock on a 1-for-1 basis."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"Reflects shares of Class B Common Stock (as converted or convertible, as applicable, into a like number of shares of Class A Common Stock) held of record by Dagmar Dolby as the Trustee of the Dagmar Dolby Trust under the Dolby Family Trust instrument, dated May 7, 1999 (the \"Dagmar Dolby Trust\"), voting power over which is shared by the Trustee and David E. Dolby, son of Dagmar Dolby, as Special Trustee of the Dagmar Dolby Trust. This report is filed jointly by Dagmar Dolby and the Dagmar Dolby Trust with respect to the securities held and transactions effected by the Dagmar Dolby Trust.  The reporting persons disclaim beneficial ownership of these securities except to the extent of their respective pecuniary interest therein."}],"balance_after":5397190,"derivative":{"underlying":"Class A Common Stock","underlying_shares":50000},"source":{"system":"sec-edgar","filing":"0001209191-19-042816","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/1308547/000120919119042816/doc4.xml","form_type":"4"}},{"id":3458437,"issuer":{"id":2518,"kind":"organization","name":"Dolby Laboratories, Inc.","symbol":"DLB"},"owners":[{"id":18687,"kind":"person","name":"Dolby Dagmar","position":1,"cik":"0001537372","reported_name":"Dolby Dagmar","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":18688,"kind":"organization","name":"DAGMAR DOLBY TRUST UNDER DOLBY FAMILY TRUST INSTRUMENT DATED MAY 7, 1999","position":2,"cik":"0001598813","reported_name":"DAGMAR DOLBY TRUST UNDER DOLBY FAMILY TRUST INSTRUMENT DATED MAY 7, 1999","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class A Common Stock","published_at":"2019-07-19T22:58:45.000Z","date":"2019-07-19","kind":"sale","acquired":false,"shares":50000,"price":65.3599,"value":3267995.0,"ownership":{"direct":false,"nature":"By Trust"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F4","text":"The shares were sold in multiple transactions at prices ranging from $65.17 to $65.59, inclusive. The price reported above reflects the weighted average sale price. The reporting persons hereby undertake to provide upon request to the Securities and Exchange Commission staff, the Issuer or a security holder of the Issuer full information regarding the number of shares and prices at which the transactions were effected."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"Reflects shares of Class B Common Stock (as converted or convertible, as applicable, into a like number of shares of Class A Common Stock) held of record by Dagmar Dolby as the Trustee of the Dagmar Dolby Trust under the Dolby Family Trust instrument, dated May 7, 1999 (the \"Dagmar Dolby Trust\"), voting power over which is shared by the Trustee and David E. Dolby, son of Dagmar Dolby, as Special Trustee of the Dagmar Dolby Trust. This report is filed jointly by Dagmar Dolby and the Dagmar Dolby Trust with respect to the securities held and transactions effected by the Dagmar Dolby Trust.  The reporting persons disclaim beneficial ownership of these securities except to the extent of their respective pecuniary interest therein."}],"balance_after":0,"source":{"system":"sec-edgar","filing":"0001209191-19-042816","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1308547/000120919119042816/doc4.xml","form_type":"4"}},{"id":3458436,"issuer":{"id":2518,"kind":"organization","name":"Dolby Laboratories, Inc.","symbol":"DLB"},"owners":[{"id":18687,"kind":"person","name":"Dolby Dagmar","position":1,"cik":"0001537372","reported_name":"Dolby Dagmar","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":18688,"kind":"organization","name":"DAGMAR DOLBY TRUST UNDER DOLBY FAMILY TRUST INSTRUMENT DATED MAY 7, 1999","position":2,"cik":"0001598813","reported_name":"DAGMAR DOLBY TRUST UNDER DOLBY FAMILY TRUST INSTRUMENT DATED MAY 7, 1999","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class A Common Stock","published_at":"2019-07-19T22:58:45.000Z","date":"2019-07-19","kind":"exercise","acquired":true,"shares":50000,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"By Trust"},"footnotes":[{"field":"security","element":"securityTitle","label":"F1","text":"Each share of Class A Common Stock issued upon conversion of one share of Class B Common Stock at the election of, and at no cost to, the holder."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"Reflects shares of Class B Common Stock (as converted or convertible, as applicable, into a like number of shares of Class A Common Stock) held of record by Dagmar Dolby as the Trustee of the Dagmar Dolby Trust under the Dolby Family Trust instrument, dated May 7, 1999 (the \"Dagmar Dolby Trust\"), voting power over which is shared by the Trustee and David E. Dolby, son of Dagmar Dolby, as Special Trustee of the Dagmar Dolby Trust. This report is filed jointly by Dagmar Dolby and the Dagmar Dolby Trust with respect to the securities held and transactions effected by the Dagmar Dolby Trust.  The reporting persons disclaim beneficial ownership of these securities except to the extent of their respective pecuniary interest therein."}],"balance_after":50000,"source":{"system":"sec-edgar","filing":"0001209191-19-042816","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1308547/000120919119042816/doc4.xml","form_type":"4"}},{"id":3458435,"issuer":{"id":2518,"kind":"organization","name":"Dolby Laboratories, Inc.","symbol":"DLB"},"owners":[{"id":18687,"kind":"person","name":"Dolby Dagmar","position":1,"cik":"0001537372","reported_name":"Dolby Dagmar","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":18688,"kind":"organization","name":"DAGMAR DOLBY TRUST UNDER DOLBY FAMILY TRUST INSTRUMENT DATED MAY 7, 1999","position":2,"cik":"0001598813","reported_name":"DAGMAR DOLBY TRUST UNDER DOLBY FAMILY TRUST INSTRUMENT DATED MAY 7, 1999","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class A Common Stock","published_at":"2019-07-19T22:58:45.000Z","date":"2019-07-18","kind":"sale","acquired":false,"shares":50000,"price":65.0869,"value":3254345.0,"ownership":{"direct":false,"nature":"By Trust"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F3","text":"The shares were sold in multiple transactions at prices ranging from $65.00 to $65.20, inclusive. The price reported above reflects the weighted average sale price.  The reporting persons hereby undertake to provide upon request to the Securities and Exchange Commission staff, the Issuer or a security holder of the Issuer full information regarding the number of shares and prices at which the transactions were effected."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"Reflects shares of Class B Common Stock (as converted or convertible, as applicable, into a like number of shares of Class A Common Stock) held of record by Dagmar Dolby as the Trustee of the Dagmar Dolby Trust under the Dolby Family Trust instrument, dated May 7, 1999 (the \"Dagmar Dolby Trust\"), voting power over which is shared by the Trustee and David E. Dolby, son of Dagmar Dolby, as Special Trustee of the Dagmar Dolby Trust. This report is filed jointly by Dagmar Dolby and the Dagmar Dolby Trust with respect to the securities held and transactions effected by the Dagmar Dolby Trust.  The reporting persons disclaim beneficial ownership of these securities except to the extent of their respective pecuniary interest therein."}],"balance_after":0,"source":{"system":"sec-edgar","filing":"0001209191-19-042816","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1308547/000120919119042816/doc4.xml","form_type":"4"}},{"id":3458434,"issuer":{"id":2518,"kind":"organization","name":"Dolby Laboratories, Inc.","symbol":"DLB"},"owners":[{"id":18687,"kind":"person","name":"Dolby Dagmar","position":1,"cik":"0001537372","reported_name":"Dolby Dagmar","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":18688,"kind":"organization","name":"DAGMAR DOLBY TRUST UNDER DOLBY FAMILY TRUST INSTRUMENT DATED MAY 7, 1999","position":2,"cik":"0001598813","reported_name":"DAGMAR DOLBY TRUST UNDER DOLBY FAMILY TRUST INSTRUMENT DATED MAY 7, 1999","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class A Common Stock","published_at":"2019-07-19T22:58:45.000Z","date":"2019-07-18","kind":"exercise","acquired":true,"shares":50000,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"By Trust"},"footnotes":[{"field":"security","element":"securityTitle","label":"F1","text":"Each share of Class A Common Stock issued upon conversion of one share of Class B Common Stock at the election of, and at no cost to, the holder."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"Reflects shares of Class B Common Stock (as converted or convertible, as applicable, into a like number of shares of Class A Common Stock) held of record by Dagmar Dolby as the Trustee of the Dagmar Dolby Trust under the Dolby Family Trust instrument, dated May 7, 1999 (the \"Dagmar Dolby Trust\"), voting power over which is shared by the Trustee and David E. Dolby, son of Dagmar Dolby, as Special Trustee of the Dagmar Dolby Trust. This report is filed jointly by Dagmar Dolby and the Dagmar Dolby Trust with respect to the securities held and transactions effected by the Dagmar Dolby Trust.  The reporting persons disclaim beneficial ownership of these securities except to the extent of their respective pecuniary interest therein."}],"balance_after":50000,"source":{"system":"sec-edgar","filing":"0001209191-19-042816","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1308547/000120919119042816/doc4.xml","form_type":"4"}},{"id":3459071,"issuer":{"id":2518,"kind":"organization","name":"Dolby Laboratories, Inc.","symbol":"DLB"},"owners":[{"id":18687,"kind":"person","name":"Dolby Dagmar","position":1,"cik":"0001537372","reported_name":"Dolby Dagmar","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":18688,"kind":"organization","name":"DAGMAR DOLBY TRUST UNDER DOLBY FAMILY TRUST INSTRUMENT DATED MAY 7, 1999","position":2,"cik":"0001598813","reported_name":"DAGMAR DOLBY TRUST UNDER DOLBY FAMILY TRUST INSTRUMENT DATED MAY 7, 1999","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class B Common Stock","published_at":"2019-07-18T21:29:03.000Z","date":"2019-07-17","kind":"exercise","acquired":false,"shares":50000,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"By Trust"},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F5","text":"Shares of Class B Common Stock are convertible, at no cost, at any time at the election of the holder into shares of Class A Common Stock on a 1-for-1 basis."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F5","text":"Shares of Class B Common Stock are convertible, at no cost, at any time at the election of the holder into shares of Class A Common Stock on a 1-for-1 basis."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F5","text":"Shares of Class B Common Stock are convertible, at no cost, at any time at the election of the holder into shares of Class A Common Stock on a 1-for-1 basis."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"Reflects shares of Class B Common Stock (as converted or convertible, as applicable, into a like number of shares of Class A Common Stock) held of record by Dagmar Dolby as the Trustee of the Dagmar Dolby Trust under the Dolby Family Trust instrument, dated May 7, 1999 (the \"Dagmar Dolby Trust\"), voting power over which is shared by the Trustee and David E. Dolby, son of Dagmar Dolby, as Special Trustee of the Dagmar Dolby Trust. This report is filed jointly by Dagmar Dolby and the Dagmar Dolby Trust with respect to the securities held and transactions effected by the Dagmar Dolby Trust.  The reporting persons disclaim beneficial ownership of these securities except to the extent of their respective pecuniary interest therein."}],"balance_after":5447190,"derivative":{"underlying":"Class A Common Stock","underlying_shares":50000},"source":{"system":"sec-edgar","filing":"0001209191-19-042663","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":6,"url":"https://www.sec.gov/Archives/edgar/data/1308547/000120919119042663/doc4.xml","form_type":"4"}},{"id":3459070,"issuer":{"id":2518,"kind":"organization","name":"Dolby Laboratories, Inc.","symbol":"DLB"},"owners":[{"id":18687,"kind":"person","name":"Dolby Dagmar","position":1,"cik":"0001537372","reported_name":"Dolby Dagmar","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":18688,"kind":"organization","name":"DAGMAR DOLBY TRUST UNDER DOLBY FAMILY TRUST INSTRUMENT DATED MAY 7, 1999","position":2,"cik":"0001598813","reported_name":"DAGMAR DOLBY TRUST UNDER DOLBY FAMILY TRUST INSTRUMENT DATED MAY 7, 1999","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class B Common Stock","published_at":"2019-07-18T21:29:03.000Z","date":"2019-07-16","kind":"exercise","acquired":false,"shares":50000,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"By Trust"},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F5","text":"Shares of Class B Common Stock are convertible, at no cost, at any time at the election of the holder into shares of Class A Common Stock on a 1-for-1 basis."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F5","text":"Shares of Class B Common Stock are convertible, at no cost, at any time at the election of the holder into shares of Class A Common Stock on a 1-for-1 basis."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F5","text":"Shares of Class B Common Stock are convertible, at no cost, at any time at the election of the holder into shares of Class A Common Stock on a 1-for-1 basis."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"Reflects shares of Class B Common Stock (as converted or convertible, as applicable, into a like number of shares of Class A Common Stock) held of record by Dagmar Dolby as the Trustee of the Dagmar Dolby Trust under the Dolby Family Trust instrument, dated May 7, 1999 (the \"Dagmar Dolby Trust\"), voting power over which is shared by the Trustee and David E. Dolby, son of Dagmar Dolby, as Special Trustee of the Dagmar Dolby Trust. This report is filed jointly by Dagmar Dolby and the Dagmar Dolby Trust with respect to the securities held and transactions effected by the Dagmar Dolby Trust.  The reporting persons disclaim beneficial ownership of these securities except to the extent of their respective pecuniary interest therein."}],"balance_after":5497190,"derivative":{"underlying":"Class A Common Stock","underlying_shares":50000},"source":{"system":"sec-edgar","filing":"0001209191-19-042663","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/1308547/000120919119042663/doc4.xml","form_type":"4"}},{"id":3459069,"issuer":{"id":2518,"kind":"organization","name":"Dolby Laboratories, Inc.","symbol":"DLB"},"owners":[{"id":18687,"kind":"person","name":"Dolby Dagmar","position":1,"cik":"0001537372","reported_name":"Dolby Dagmar","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":18688,"kind":"organization","name":"DAGMAR DOLBY TRUST UNDER DOLBY FAMILY TRUST INSTRUMENT DATED MAY 7, 1999","position":2,"cik":"0001598813","reported_name":"DAGMAR DOLBY TRUST UNDER DOLBY FAMILY TRUST INSTRUMENT DATED MAY 7, 1999","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class A Common Stock","published_at":"2019-07-18T21:29:03.000Z","date":"2019-07-17","kind":"sale","acquired":false,"shares":50000,"price":65.2229,"value":3261145.0,"ownership":{"direct":false,"nature":"By Trust"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F4","text":"The shares were sold in multiple transactions at prices ranging from $65.06 to $65.585, inclusive. The price reported above reflects the weighted average sale price. The reporting persons hereby undertake to provide upon request to the Securities and Exchange Commission staff, the Issuer or a security holder of the Issuer full information regarding the number of shares and prices at which the transactions were effected."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"Reflects shares of Class B Common Stock (as converted or convertible, as applicable, into a like number of shares of Class A Common Stock) held of record by Dagmar Dolby as the Trustee of the Dagmar Dolby Trust under the Dolby Family Trust instrument, dated May 7, 1999 (the \"Dagmar Dolby Trust\"), voting power over which is shared by the Trustee and David E. Dolby, son of Dagmar Dolby, as Special Trustee of the Dagmar Dolby Trust. This report is filed jointly by Dagmar Dolby and the Dagmar Dolby Trust with respect to the securities held and transactions effected by the Dagmar Dolby Trust.  The reporting persons disclaim beneficial ownership of these securities except to the extent of their respective pecuniary interest therein."}],"balance_after":0,"source":{"system":"sec-edgar","filing":"0001209191-19-042663","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1308547/000120919119042663/doc4.xml","form_type":"4"}},{"id":3459068,"issuer":{"id":2518,"kind":"organization","name":"Dolby Laboratories, Inc.","symbol":"DLB"},"owners":[{"id":18687,"kind":"person","name":"Dolby Dagmar","position":1,"cik":"0001537372","reported_name":"Dolby Dagmar","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":18688,"kind":"organization","name":"DAGMAR DOLBY TRUST UNDER DOLBY FAMILY TRUST INSTRUMENT DATED MAY 7, 1999","position":2,"cik":"0001598813","reported_name":"DAGMAR DOLBY TRUST UNDER DOLBY FAMILY TRUST INSTRUMENT DATED MAY 7, 1999","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class A Common Stock","published_at":"2019-07-18T21:29:03.000Z","date":"2019-07-17","kind":"exercise","acquired":true,"shares":50000,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"By Trust"},"footnotes":[{"field":"security","element":"securityTitle","label":"F1","text":"Each share of Class A Common Stock issued upon conversion of one share of Class B Common Stock at the election of, and at no cost to, the holder."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"Reflects shares of Class B Common Stock (as converted or convertible, as applicable, into a like number of shares of Class A Common Stock) held of record by Dagmar Dolby as the Trustee of the Dagmar Dolby Trust under the Dolby Family Trust instrument, dated May 7, 1999 (the \"Dagmar Dolby Trust\"), voting power over which is shared by the Trustee and David E. Dolby, son of Dagmar Dolby, as Special Trustee of the Dagmar Dolby Trust. This report is filed jointly by Dagmar Dolby and the Dagmar Dolby Trust with respect to the securities held and transactions effected by the Dagmar Dolby Trust.  The reporting persons disclaim beneficial ownership of these securities except to the extent of their respective pecuniary interest therein."}],"balance_after":50000,"source":{"system":"sec-edgar","filing":"0001209191-19-042663","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1308547/000120919119042663/doc4.xml","form_type":"4"}},{"id":3459067,"issuer":{"id":2518,"kind":"organization","name":"Dolby Laboratories, Inc.","symbol":"DLB"},"owners":[{"id":18687,"kind":"person","name":"Dolby Dagmar","position":1,"cik":"0001537372","reported_name":"Dolby Dagmar","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":18688,"kind":"organization","name":"DAGMAR DOLBY TRUST UNDER DOLBY FAMILY TRUST INSTRUMENT DATED MAY 7, 1999","position":2,"cik":"0001598813","reported_name":"DAGMAR DOLBY TRUST UNDER DOLBY FAMILY TRUST INSTRUMENT DATED MAY 7, 1999","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class A Common Stock","published_at":"2019-07-18T21:29:03.000Z","date":"2019-07-16","kind":"sale","acquired":false,"shares":50000,"price":65.3127,"value":3265635.0,"ownership":{"direct":false,"nature":"By Trust"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F3","text":"The shares were sold in multiple transactions at prices ranging from $65.00 to $65.51, inclusive. The price reported above reflects the weighted average sale price.  The reporting persons hereby undertake to provide upon request to the Securities and Exchange Commission staff, the Issuer or a security holder of the Issuer full information regarding the number of shares and prices at which the transactions were effected."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"Reflects shares of Class B Common Stock (as converted or convertible, as applicable, into a like number of shares of Class A Common Stock) held of record by Dagmar Dolby as the Trustee of the Dagmar Dolby Trust under the Dolby Family Trust instrument, dated May 7, 1999 (the \"Dagmar Dolby Trust\"), voting power over which is shared by the Trustee and David E. Dolby, son of Dagmar Dolby, as Special Trustee of the Dagmar Dolby Trust. This report is filed jointly by Dagmar Dolby and the Dagmar Dolby Trust with respect to the securities held and transactions effected by the Dagmar Dolby Trust.  The reporting persons disclaim beneficial ownership of these securities except to the extent of their respective pecuniary interest therein."}],"balance_after":0,"source":{"system":"sec-edgar","filing":"0001209191-19-042663","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1308547/000120919119042663/doc4.xml","form_type":"4"}},{"id":3459066,"issuer":{"id":2518,"kind":"organization","name":"Dolby Laboratories, Inc.","symbol":"DLB"},"owners":[{"id":18687,"kind":"person","name":"Dolby Dagmar","position":1,"cik":"0001537372","reported_name":"Dolby Dagmar","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":18688,"kind":"organization","name":"DAGMAR DOLBY TRUST UNDER DOLBY FAMILY TRUST INSTRUMENT DATED MAY 7, 1999","position":2,"cik":"0001598813","reported_name":"DAGMAR DOLBY TRUST UNDER DOLBY FAMILY TRUST INSTRUMENT DATED MAY 7, 1999","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class A Common Stock","published_at":"2019-07-18T21:29:03.000Z","date":"2019-07-16","kind":"exercise","acquired":true,"shares":50000,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"By Trust"},"footnotes":[{"field":"security","element":"securityTitle","label":"F1","text":"Each share of Class A Common Stock issued upon conversion of one share of Class B Common Stock at the election of, and at no cost to, the holder."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"Reflects shares of Class B Common Stock (as converted or convertible, as applicable, into a like number of shares of Class A Common Stock) held of record by Dagmar Dolby as the Trustee of the Dagmar Dolby Trust under the Dolby Family Trust instrument, dated May 7, 1999 (the \"Dagmar Dolby Trust\"), voting power over which is shared by the Trustee and David E. Dolby, son of Dagmar Dolby, as Special Trustee of the Dagmar Dolby Trust. This report is filed jointly by Dagmar Dolby and the Dagmar Dolby Trust with respect to the securities held and transactions effected by the Dagmar Dolby Trust.  The reporting persons disclaim beneficial ownership of these securities except to the extent of their respective pecuniary interest therein."}],"balance_after":50000,"source":{"system":"sec-edgar","filing":"0001209191-19-042663","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1308547/000120919119042663/doc4.xml","form_type":"4"}},{"id":3460685,"issuer":{"id":2518,"kind":"organization","name":"Dolby Laboratories, Inc.","symbol":"DLB"},"owners":[{"id":18687,"kind":"person","name":"Dolby Dagmar","position":1,"cik":"0001537372","reported_name":"Dolby Dagmar","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":18688,"kind":"organization","name":"DAGMAR DOLBY TRUST UNDER DOLBY FAMILY TRUST INSTRUMENT DATED MAY 7, 1999","position":2,"cik":"0001598813","reported_name":"DAGMAR DOLBY TRUST UNDER DOLBY FAMILY TRUST INSTRUMENT DATED MAY 7, 1999","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class B Common Stock","published_at":"2019-07-16T20:10:14.000Z","date":"2019-07-15","kind":"exercise","acquired":false,"shares":50000,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"By Trust"},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F5","text":"Shares of Class B Common Stock are convertible, at no cost, at any time at the election of the holder into shares of Class A Common Stock on a 1-for-1 basis."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F5","text":"Shares of Class B Common Stock are convertible, at no cost, at any time at the election of the holder into shares of Class A Common Stock on a 1-for-1 basis."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F5","text":"Shares of Class B Common Stock are convertible, at no cost, at any time at the election of the holder into shares of Class A Common Stock on a 1-for-1 basis."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"Reflects shares of Class B Common Stock (as converted or convertible, as applicable, into a like number of shares of Class A Common Stock) held of record by Dagmar Dolby as the Trustee of the Dagmar Dolby Trust under the Dolby Family Trust instrument, dated May 7, 1999 (the \"Dagmar Dolby Trust\"), voting power over which is shared by the Trustee and David E. Dolby, son of Dagmar Dolby, as Special Trustee of the Dagmar Dolby Trust. This report is filed jointly by Dagmar Dolby and the Dagmar Dolby Trust with respect to the securities held and transactions effected by the Dagmar Dolby Trust.  The reporting persons disclaim beneficial ownership of these securities except to the extent of their respective pecuniary interest therein."}],"balance_after":5547190,"derivative":{"underlying":"Class A Common Stock","underlying_shares":50000},"source":{"system":"sec-edgar","filing":"0001209191-19-042162","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":6,"url":"https://www.sec.gov/Archives/edgar/data/1308547/000120919119042162/doc4.xml","form_type":"4"}},{"id":3460684,"issuer":{"id":2518,"kind":"organization","name":"Dolby Laboratories, Inc.","symbol":"DLB"},"owners":[{"id":18687,"kind":"person","name":"Dolby Dagmar","position":1,"cik":"0001537372","reported_name":"Dolby Dagmar","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":18688,"kind":"organization","name":"DAGMAR DOLBY TRUST UNDER DOLBY FAMILY TRUST INSTRUMENT DATED MAY 7, 1999","position":2,"cik":"0001598813","reported_name":"DAGMAR DOLBY TRUST UNDER DOLBY FAMILY TRUST INSTRUMENT DATED MAY 7, 1999","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class B Common Stock","published_at":"2019-07-16T20:10:14.000Z","date":"2019-07-12","kind":"exercise","acquired":false,"shares":22069,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"By Trust"},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F5","text":"Shares of Class B Common Stock are convertible, at no cost, at any time at the election of the holder into shares of Class A Common Stock on a 1-for-1 basis."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F5","text":"Shares of Class B Common Stock are convertible, at no cost, at any time at the election of the holder into shares of Class A Common Stock on a 1-for-1 basis."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F5","text":"Shares of Class B Common Stock are convertible, at no cost, at any time at the election of the holder into shares of Class A Common Stock on a 1-for-1 basis."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"Reflects shares of Class B Common Stock (as converted or convertible, as applicable, into a like number of shares of Class A Common Stock) held of record by Dagmar Dolby as the Trustee of the Dagmar Dolby Trust under the Dolby Family Trust instrument, dated May 7, 1999 (the \"Dagmar Dolby Trust\"), voting power over which is shared by the Trustee and David E. Dolby, son of Dagmar Dolby, as Special Trustee of the Dagmar Dolby Trust. This report is filed jointly by Dagmar Dolby and the Dagmar Dolby Trust with respect to the securities held and transactions effected by the Dagmar Dolby Trust.  The reporting persons disclaim beneficial ownership of these securities except to the extent of their respective pecuniary interest therein."}],"balance_after":5597190,"derivative":{"underlying":"Class A Common Stock","underlying_shares":22069},"source":{"system":"sec-edgar","filing":"0001209191-19-042162","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/1308547/000120919119042162/doc4.xml","form_type":"4"}},{"id":3460683,"issuer":{"id":2518,"kind":"organization","name":"Dolby Laboratories, Inc.","symbol":"DLB"},"owners":[{"id":18687,"kind":"person","name":"Dolby Dagmar","position":1,"cik":"0001537372","reported_name":"Dolby Dagmar","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":18688,"kind":"organization","name":"DAGMAR DOLBY TRUST UNDER DOLBY FAMILY TRUST INSTRUMENT DATED MAY 7, 1999","position":2,"cik":"0001598813","reported_name":"DAGMAR DOLBY TRUST UNDER DOLBY FAMILY TRUST INSTRUMENT DATED MAY 7, 1999","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class A Common Stock","published_at":"2019-07-16T20:10:14.000Z","date":"2019-07-15","kind":"sale","acquired":false,"shares":50000,"price":65.1385,"value":3256925.0,"ownership":{"direct":false,"nature":"By Trust"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F4","text":"The shares were sold in multiple transactions at prices ranging from $65.02 to $65.29, inclusive. The price reported above reflects the weighted average sale price. The reporting persons hereby undertake to provide upon request to the Securities and Exchange Commission staff, the Issuer or a security holder of the Issuer full information regarding the number of shares and prices at which the transactions were effected."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"Reflects shares of Class B Common Stock (as converted or convertible, as applicable, into a like number of shares of Class A Common Stock) held of record by Dagmar Dolby as the Trustee of the Dagmar Dolby Trust under the Dolby Family Trust instrument, dated May 7, 1999 (the \"Dagmar Dolby Trust\"), voting power over which is shared by the Trustee and David E. Dolby, son of Dagmar Dolby, as Special Trustee of the Dagmar Dolby Trust. This report is filed jointly by Dagmar Dolby and the Dagmar Dolby Trust with respect to the securities held and transactions effected by the Dagmar Dolby Trust.  The reporting persons disclaim beneficial ownership of these securities except to the extent of their respective pecuniary interest therein."}],"balance_after":0,"source":{"system":"sec-edgar","filing":"0001209191-19-042162","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1308547/000120919119042162/doc4.xml","form_type":"4"}},{"id":3460682,"issuer":{"id":2518,"kind":"organization","name":"Dolby Laboratories, Inc.","symbol":"DLB"},"owners":[{"id":18687,"kind":"person","name":"Dolby Dagmar","position":1,"cik":"0001537372","reported_name":"Dolby Dagmar","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":18688,"kind":"organization","name":"DAGMAR DOLBY TRUST UNDER DOLBY FAMILY TRUST INSTRUMENT DATED MAY 7, 1999","position":2,"cik":"0001598813","reported_name":"DAGMAR DOLBY TRUST UNDER DOLBY FAMILY TRUST INSTRUMENT DATED MAY 7, 1999","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class A Common Stock","published_at":"2019-07-16T20:10:14.000Z","date":"2019-07-15","kind":"exercise","acquired":true,"shares":50000,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"By Trust"},"footnotes":[{"field":"security","element":"securityTitle","label":"F1","text":"Each share of Class A Common Stock issued upon conversion of one share of Class B Common Stock at the election of, and at no cost to, the holder."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"Reflects shares of Class B Common Stock (as converted or convertible, as applicable, into a like number of shares of Class A Common Stock) held of record by Dagmar Dolby as the Trustee of the Dagmar Dolby Trust under the Dolby Family Trust instrument, dated May 7, 1999 (the \"Dagmar Dolby Trust\"), voting power over which is shared by the Trustee and David E. Dolby, son of Dagmar Dolby, as Special Trustee of the Dagmar Dolby Trust. This report is filed jointly by Dagmar Dolby and the Dagmar Dolby Trust with respect to the securities held and transactions effected by the Dagmar Dolby Trust.  The reporting persons disclaim beneficial ownership of these securities except to the extent of their respective pecuniary interest therein."}],"balance_after":50000,"source":{"system":"sec-edgar","filing":"0001209191-19-042162","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1308547/000120919119042162/doc4.xml","form_type":"4"}},{"id":3460681,"issuer":{"id":2518,"kind":"organization","name":"Dolby Laboratories, Inc.","symbol":"DLB"},"owners":[{"id":18687,"kind":"person","name":"Dolby Dagmar","position":1,"cik":"0001537372","reported_name":"Dolby Dagmar","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":18688,"kind":"organization","name":"DAGMAR DOLBY TRUST UNDER DOLBY FAMILY TRUST INSTRUMENT DATED MAY 7, 1999","position":2,"cik":"0001598813","reported_name":"DAGMAR DOLBY TRUST UNDER DOLBY FAMILY TRUST INSTRUMENT DATED MAY 7, 1999","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class A Common Stock","published_at":"2019-07-16T20:10:14.000Z","date":"2019-07-12","kind":"sale","acquired":false,"shares":22069,"price":65.0198,"value":1434921.9662,"ownership":{"direct":false,"nature":"By Trust"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F3","text":"The shares were sold in multiple transactions at prices ranging from $65.00 to $65.07, inclusive. The price reported above reflects the weighted average sale price.  The reporting persons hereby undertake to provide upon request to the Securities and Exchange Commission staff, the Issuer or a security holder of the Issuer full information regarding the number of shares and prices at which the transactions were effected."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"Reflects shares of Class B Common Stock (as converted or convertible, as applicable, into a like number of shares of Class A Common Stock) held of record by Dagmar Dolby as the Trustee of the Dagmar Dolby Trust under the Dolby Family Trust instrument, dated May 7, 1999 (the \"Dagmar Dolby Trust\"), voting power over which is shared by the Trustee and David E. Dolby, son of Dagmar Dolby, as Special Trustee of the Dagmar Dolby Trust. This report is filed jointly by Dagmar Dolby and the Dagmar Dolby Trust with respect to the securities held and transactions effected by the Dagmar Dolby Trust.  The reporting persons disclaim beneficial ownership of these securities except to the extent of their respective pecuniary interest therein."}],"balance_after":0,"source":{"system":"sec-edgar","filing":"0001209191-19-042162","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1308547/000120919119042162/doc4.xml","form_type":"4"}},{"id":3460680,"issuer":{"id":2518,"kind":"organization","name":"Dolby Laboratories, Inc.","symbol":"DLB"},"owners":[{"id":18687,"kind":"person","name":"Dolby Dagmar","position":1,"cik":"0001537372","reported_name":"Dolby Dagmar","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":18688,"kind":"organization","name":"DAGMAR DOLBY TRUST UNDER DOLBY FAMILY TRUST INSTRUMENT DATED MAY 7, 1999","position":2,"cik":"0001598813","reported_name":"DAGMAR DOLBY TRUST UNDER DOLBY FAMILY TRUST INSTRUMENT DATED MAY 7, 1999","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class A Common Stock","published_at":"2019-07-16T20:10:14.000Z","date":"2019-07-12","kind":"exercise","acquired":true,"shares":22069,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"By Trust"},"footnotes":[{"field":"security","element":"securityTitle","label":"F1","text":"Each share of Class A Common Stock issued upon conversion of one share of Class B Common Stock at the election of, and at no cost to, the holder."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"Reflects shares of Class B Common Stock (as converted or convertible, as applicable, into a like number of shares of Class A Common Stock) held of record by Dagmar Dolby as the Trustee of the Dagmar Dolby Trust under the Dolby Family Trust instrument, dated May 7, 1999 (the \"Dagmar Dolby Trust\"), voting power over which is shared by the Trustee and David E. Dolby, son of Dagmar Dolby, as Special Trustee of the Dagmar Dolby Trust. This report is filed jointly by Dagmar Dolby and the Dagmar Dolby Trust with respect to the securities held and transactions effected by the Dagmar Dolby Trust.  The reporting persons disclaim beneficial ownership of these securities except to the extent of their respective pecuniary interest therein."}],"balance_after":22069,"source":{"system":"sec-edgar","filing":"0001209191-19-042162","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1308547/000120919119042162/doc4.xml","form_type":"4"}},{"id":3465086,"issuer":{"id":2518,"kind":"organization","name":"Dolby Laboratories, Inc.","symbol":"DLB"},"owners":[{"id":18687,"kind":"person","name":"Dolby Dagmar","position":1,"cik":"0001537372","reported_name":"Dolby Dagmar","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":18688,"kind":"organization","name":"DAGMAR DOLBY TRUST UNDER DOLBY FAMILY TRUST INSTRUMENT DATED MAY 7, 1999","position":2,"cik":"0001598813","reported_name":"DAGMAR DOLBY TRUST UNDER DOLBY FAMILY TRUST INSTRUMENT DATED MAY 7, 1999","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class B Common Stock","published_at":"2019-07-09T20:01:56.000Z","date":"2019-07-05","kind":"exercise","acquired":false,"shares":26358,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"By Trust"},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F4","text":"Shares of Class B Common Stock are convertible, at no cost, at any time at the election of the holder into shares of Class A Common Stock on a 1-for-1 basis."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F4","text":"Shares of Class B Common Stock are convertible, at no cost, at any time at the election of the holder into shares of Class A Common Stock on a 1-for-1 basis."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F4","text":"Shares of Class B Common Stock are convertible, at no cost, at any time at the election of the holder into shares of Class A Common Stock on a 1-for-1 basis."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"Reflects shares of Class B Common Stock (as converted or convertible, as applicable, into a like number of shares of Class A Common Stock) held of record by Dagmar Dolby as the Trustee of the Dagmar Dolby Trust under the Dolby Family Trust instrument, dated May 7, 1999 (the \"Dagmar Dolby Trust\"), voting power over which is shared by the Trustee and David E. Dolby, son of Dagmar Dolby, as Special Trustee of the Dagmar Dolby Trust. This report is filed jointly by Dagmar Dolby and the Dagmar Dolby Trust with respect to the securities held and transactions effected by the Dagmar Dolby Trust.  The reporting persons disclaim beneficial ownership of these securities except to the extent of their respective pecuniary interest therein."}],"balance_after":5619259,"derivative":{"underlying":"Class A Common Stock","underlying_shares":26358},"source":{"system":"sec-edgar","filing":"0001209191-19-041530","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1308547/000120919119041530/doc4.xml","form_type":"4"}},{"id":3465085,"issuer":{"id":2518,"kind":"organization","name":"Dolby Laboratories, Inc.","symbol":"DLB"},"owners":[{"id":18687,"kind":"person","name":"Dolby Dagmar","position":1,"cik":"0001537372","reported_name":"Dolby Dagmar","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":18688,"kind":"organization","name":"DAGMAR DOLBY TRUST UNDER DOLBY FAMILY TRUST INSTRUMENT DATED MAY 7, 1999","position":2,"cik":"0001598813","reported_name":"DAGMAR DOLBY TRUST UNDER DOLBY FAMILY TRUST INSTRUMENT DATED MAY 7, 1999","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class A Common Stock","published_at":"2019-07-09T20:01:56.000Z","date":"2019-07-05","kind":"sale","acquired":false,"shares":26358,"price":65.0086,"value":1713496.6788,"ownership":{"direct":false,"nature":"By Trust"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F3","text":"The shares were sold in multiple transactions at prices ranging from $65.00 to $65.10, inclusive. The price reported above reflects the weighted average sale price.  The reporting persons hereby undertake to provide upon request to the Securities and Exchange Commission staff, the Issuer or a security holder of the Issuer full information regarding the number of shares and prices at which the transactions were effected."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"Reflects shares of Class B Common Stock (as converted or convertible, as applicable, into a like number of shares of Class A Common Stock) held of record by Dagmar Dolby as the Trustee of the Dagmar Dolby Trust under the Dolby Family Trust instrument, dated May 7, 1999 (the \"Dagmar Dolby Trust\"), voting power over which is shared by the Trustee and David E. Dolby, son of Dagmar Dolby, as Special Trustee of the Dagmar Dolby Trust. This report is filed jointly by Dagmar Dolby and the Dagmar Dolby Trust with respect to the securities held and transactions effected by the Dagmar Dolby Trust.  The reporting persons disclaim beneficial ownership of these securities except to the extent of their respective pecuniary interest therein."}],"balance_after":0,"source":{"system":"sec-edgar","filing":"0001209191-19-041530","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1308547/000120919119041530/doc4.xml","form_type":"4"}},{"id":3465084,"issuer":{"id":2518,"kind":"organization","name":"Dolby Laboratories, Inc.","symbol":"DLB"},"owners":[{"id":18687,"kind":"person","name":"Dolby Dagmar","position":1,"cik":"0001537372","reported_name":"Dolby Dagmar","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":18688,"kind":"organization","name":"DAGMAR DOLBY TRUST UNDER DOLBY FAMILY TRUST INSTRUMENT DATED MAY 7, 1999","position":2,"cik":"0001598813","reported_name":"DAGMAR DOLBY TRUST UNDER DOLBY FAMILY TRUST INSTRUMENT DATED MAY 7, 1999","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class A Common Stock","published_at":"2019-07-09T20:01:56.000Z","date":"2019-07-05","kind":"exercise","acquired":true,"shares":26358,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"By Trust"},"footnotes":[{"field":"security","element":"securityTitle","label":"F1","text":"Each share of Class A Common Stock issued upon conversion of one share of Class B Common Stock at the election of, and at no cost to, the holder."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"Reflects shares of Class B Common Stock (as converted or convertible, as applicable, into a like number of shares of Class A Common Stock) held of record by Dagmar Dolby as the Trustee of the Dagmar Dolby Trust under the Dolby Family Trust instrument, dated May 7, 1999 (the \"Dagmar Dolby Trust\"), voting power over which is shared by the Trustee and David E. Dolby, son of Dagmar Dolby, as Special Trustee of the Dagmar Dolby Trust. This report is filed jointly by Dagmar Dolby and the Dagmar Dolby Trust with respect to the securities held and transactions effected by the Dagmar Dolby Trust.  The reporting persons disclaim beneficial ownership of these securities except to the extent of their respective pecuniary interest therein."}],"balance_after":26358,"source":{"system":"sec-edgar","filing":"0001209191-19-041530","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1308547/000120919119041530/doc4.xml","form_type":"4"}}],"next_cursor":"2019-07-09T20:01:56.000000Z,3465084"}