{"transactions":[{"id":687506,"issuer":{"id":3951,"kind":"organization","name":"Graham Holdings Co"},"owners":[{"id":12477,"kind":"person","name":"GRAHAM DONALD","position":1,"cik":"0001018401","reported_name":"GRAHAM DONALD","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class A Common Stock","published_at":"2026-08-14T20:14:46.000Z","date":"2026-08-13","kind":"other","planned":false,"acquired":false,"shares":12633,"ownership":{"direct":false,"nature":"Beneficiary of Trusts"},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Shares of Class A Common Stock are convertible into shares of Class B Common Stock at any time on a one-for-one basis and have no expiration date."},{"field":"kind","element":"transactionCoding","label":"F2","text":"Distribution of Class A shares pursuant to the terms of a trust of which the reporting person is a trustee and beneficiary."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"N/A"},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"Shares of Class A Common Stock are convertible into shares of Class B Common Stock at any time on a one-for-one basis and have no expiration date."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F1","text":"Shares of Class A Common Stock are convertible into shares of Class B Common Stock at any time on a one-for-one basis and have no expiration date."},{"field":"derivative.underlying_shares","element":"underlyingSecurityShares","label":"F1","text":"Shares of Class A Common Stock are convertible into shares of Class B Common Stock at any time on a one-for-one basis and have no expiration date."}],"balance_after":375592,"derivative":{"underlying":"Class B Common Stock"},"source":{"system":"sec-edgar","filing":"0000950157-26-000902","document":"ownership.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/104889/000095015726000902/ownership.xml","form_type":"4"}},{"id":3337364,"issuer":{"id":565,"kind":"organization","name":"Cable One, Inc.","symbol":"CABO"},"owners":[{"id":12477,"kind":"person","name":"GRAHAM DONALD","position":1,"cik":"0001018401","reported_name":"GRAHAM DONALD","relationship":{"ten_percent_owner":true}}],"security":"Common Stock; par value $0.01","published_at":"2019-12-18T21:22:58.000Z","date":"2019-12-16","kind":"other","acquired":false,"shares":1800,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"Trusts for Children of Siblings"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F4","text":"The reporting person was a trustee of the Thomas W. Graham Art. THIRD (i) Trust u/a/d 6/24/39 and Juliet Graham Art. THIRD (i) Trust u/a/d 6/24/39, which hold 900 and 900 shares of Common Stock, respectively, but he is not a beneficiary of such trusts. As of December 16, 2019, the reporting person resigned from his position as trustee."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"The reporting person is a trustee of the trusts that own the reported securities, but he is not a beneficiary of such trusts. The reporting person disclaims beneficial ownership of the reported securities."}],"balance_after":1044,"source":{"system":"sec-edgar","filing":"0000950157-19-001451","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/1018401/000095015719001451/form4.xml","form_type":"4"}},{"id":3337363,"issuer":{"id":565,"kind":"organization","name":"Cable One, Inc.","symbol":"CABO"},"owners":[{"id":12477,"kind":"person","name":"GRAHAM DONALD","position":1,"cik":"0001018401","reported_name":"GRAHAM DONALD","relationship":{"ten_percent_owner":true}}],"security":"Common Stock; par value $0.01","published_at":"2019-12-18T21:22:58.000Z","date":"2019-12-16","kind":"other","acquired":false,"shares":6000,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"Trusts for Children"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F2","text":"The reporting person was a trustee of the Elizabeth K. Graham Trust No. 1 u/a/d 9/13/10, Laura G. O'Shaughnessy Trust No. 1 u/a/d 9/13/10, Mary L. Graham Trust No. 1 u/a/d 9/13/10 and William W. Graham Trust No. 1 u/a/d 9/13/10, which hold 1,500, 1,500, 1,500 and 1,500 shares of Common Stock, respectively, but he is not a beneficiary of such trusts. As of December 16, 2019, the reporting person resigned from his position as trustee."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"The reporting person is a trustee of the trusts that own the reported securities, but he is not a beneficiary of such trusts. The reporting person disclaims beneficial ownership of the reported securities."}],"balance_after":3800,"source":{"system":"sec-edgar","filing":"0000950157-19-001451","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1018401/000095015719001451/form4.xml","form_type":"4"}},{"id":3337362,"issuer":{"id":565,"kind":"organization","name":"Cable One, Inc.","symbol":"CABO"},"owners":[{"id":12477,"kind":"person","name":"GRAHAM DONALD","position":1,"cik":"0001018401","reported_name":"GRAHAM DONALD","relationship":{"ten_percent_owner":true}}],"security":"Common Stock; par value $0.01","published_at":"2019-12-18T21:22:58.000Z","date":"2019-12-16","kind":"other","acquired":false,"shares":96276,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"Trusts for Siblings"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The reporting person was a trustee of the 1939 Residuary Trust f/b/o Stephen M. Graham u/a/d 6/24/39, 1939 Residuary Trust f/b/o Elizabeth G. Weymouth u/a/d 6/24/39, 1969 Trust f/b/o Elizabeth G. Weymouth and 1973 Trust f/b/o Stephen M. Graham, which hold 7,338, 29,363, 40,250 and 19,325 shares of Common Stock, respectively, but he is not a beneficiary of such trusts. As of December 16, 2019, the reporting person resigned from his position as trustee."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F1","text":"The reporting person was a trustee of the 1939 Residuary Trust f/b/o Stephen M. Graham u/a/d 6/24/39, 1939 Residuary Trust f/b/o Elizabeth G. Weymouth u/a/d 6/24/39, 1969 Trust f/b/o Elizabeth G. Weymouth and 1973 Trust f/b/o Stephen M. Graham, which hold 7,338, 29,363, 40,250 and 19,325 shares of Common Stock, respectively, but he is not a beneficiary of such trusts. As of December 16, 2019, the reporting person resigned from his position as trustee."}],"balance_after":0,"source":{"system":"sec-edgar","filing":"0000950157-19-001451","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1018401/000095015719001451/form4.xml","form_type":"4"}},{"id":3337883,"issuer":{"id":3951,"kind":"organization","name":"Graham Holdings Co"},"owners":[{"id":12477,"kind":"person","name":"GRAHAM DONALD","position":1,"cik":"0001018401","reported_name":"GRAHAM DONALD","relationship":{"director":true,"ten_percent_owner":true}}],"security":"Class A Common Stock","published_at":"2019-12-18T21:21:41.000Z","date":"2019-12-16","kind":"other","acquired":false,"shares":1800,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"Trusts for Children of Siblings"},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F4","text":"Shares of Class A Common Stock are convertible into shares of Class B Common Stock at any time on a one-for-one basis and have no expiration date."},{"field":"kind","element":"transactionCoding","label":"F7","text":"The reporting person was a trustee of the Thomas W. Graham Art. THIRD (i) Trust u/a/d 6/24/39 and Juliet Graham Art. THIRD (i) Trust u/a/d 6/24/39, which hold 900  and 900 shares of Class A Common Stock, respectively, but he is not a beneficiary of such trusts. As of December 16, 2019, the reporting person resigned from his position as trustee."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F4","text":"Shares of Class A Common Stock are convertible into shares of Class B Common Stock at any time on a one-for-one basis and have no expiration date."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F4","text":"Shares of Class A Common Stock are convertible into shares of Class B Common Stock at any time on a one-for-one basis and have no expiration date."},{"field":"derivative.underlying_shares","element":"underlyingSecurityShares","label":"F4","text":"Shares of Class A Common Stock are convertible into shares of Class B Common Stock at any time on a one-for-one basis and have no expiration date."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F7","text":"The reporting person was a trustee of the Thomas W. Graham Art. THIRD (i) Trust u/a/d 6/24/39 and Juliet Graham Art. THIRD (i) Trust u/a/d 6/24/39, which hold 900  and 900 shares of Class A Common Stock, respectively, but he is not a beneficiary of such trusts. As of December 16, 2019, the reporting person resigned from his position as trustee."}],"balance_after":0,"derivative":{"underlying":"Class B Common Stock"},"source":{"system":"sec-edgar","filing":"0000950157-19-001450","document":"form4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":11,"url":"https://www.sec.gov/Archives/edgar/data/104889/000095015719001450/form4.xml","form_type":"4"}},{"id":3337882,"issuer":{"id":3951,"kind":"organization","name":"Graham Holdings Co"},"owners":[{"id":12477,"kind":"person","name":"GRAHAM DONALD","position":1,"cik":"0001018401","reported_name":"GRAHAM DONALD","relationship":{"director":true,"ten_percent_owner":true}}],"security":"Class A Common Stock","published_at":"2019-12-18T21:21:41.000Z","date":"2019-12-16","kind":"other","acquired":false,"shares":101313,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"Trusts for Siblings"},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F4","text":"Shares of Class A Common Stock are convertible into shares of Class B Common Stock at any time on a one-for-one basis and have no expiration date."},{"field":"kind","element":"transactionCoding","label":"F6","text":"The reporting person was a trustee of the 1939 Residuary Trust f/b/o Stephen M. Graham u/a/d 6/24/39, 1969 Trust f/b/o Elizabeth G. Weymouth and 1973 Trust f/b/o Stephen M. Graham, which hold 7,338, 72,000 and 21,975 shares of Class A Common Stock, respectively, but he is not a beneficiary of such trusts. As of December 16, 2019, the reporting person resigned from his position as trustee."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F4","text":"Shares of Class A Common Stock are convertible into shares of Class B Common Stock at any time on a one-for-one basis and have no expiration date."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F4","text":"Shares of Class A Common Stock are convertible into shares of Class B Common Stock at any time on a one-for-one basis and have no expiration date."},{"field":"derivative.underlying_shares","element":"underlyingSecurityShares","label":"F4","text":"Shares of Class A Common Stock are convertible into shares of Class B Common Stock at any time on a one-for-one basis and have no expiration date."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"The reporting person is a trustee of the trusts that own the reported securities, but he is not a beneficiary of such trusts. The reporting person disclaims beneficial ownership of the reported securities."}],"balance_after":7617,"derivative":{"underlying":"Class B Common Stock"},"source":{"system":"sec-edgar","filing":"0000950157-19-001450","document":"form4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":9,"url":"https://www.sec.gov/Archives/edgar/data/104889/000095015719001450/form4.xml","form_type":"4"}},{"id":3337881,"issuer":{"id":3951,"kind":"organization","name":"Graham Holdings Co"},"owners":[{"id":12477,"kind":"person","name":"GRAHAM DONALD","position":1,"cik":"0001018401","reported_name":"GRAHAM DONALD","relationship":{"director":true,"ten_percent_owner":true}}],"security":"Class A Common Stock","published_at":"2019-12-18T21:21:41.000Z","date":"2019-12-16","kind":"other","acquired":false,"shares":194505,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"Trusts for Children"},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F4","text":"Shares of Class A Common Stock are convertible into shares of Class B Common Stock at any time on a one-for-one basis and have no expiration date."},{"field":"kind","element":"transactionCoding","label":"F5","text":"The reporting person was a trustee of the Elizabeth K. Graham Trust No. 1 u/a/d 9/13/10, Laura G. O'Shaughnessy Trust No. 1 u/a/d 9/13/10, Mary L. Graham Trust No. 1 u/a/d 9/13/10 and William W. Graham Trust No. 1 u/a/d 9/13/10, which hold 48,626, 48,626, 48,627 and 48,626 shares of Class A Common Stock, respectively, but he is not a beneficiary of such trusts. As of December 16, 2019, the reporting person resigned from his position as trustee."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F4","text":"Shares of Class A Common Stock are convertible into shares of Class B Common Stock at any time on a one-for-one basis and have no expiration date."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F4","text":"Shares of Class A Common Stock are convertible into shares of Class B Common Stock at any time on a one-for-one basis and have no expiration date."},{"field":"derivative.underlying_shares","element":"underlyingSecurityShares","label":"F4","text":"Shares of Class A Common Stock are convertible into shares of Class B Common Stock at any time on a one-for-one basis and have no expiration date."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F5","text":"The reporting person was a trustee of the Elizabeth K. Graham Trust No. 1 u/a/d 9/13/10, Laura G. O'Shaughnessy Trust No. 1 u/a/d 9/13/10, Mary L. Graham Trust No. 1 u/a/d 9/13/10 and William W. Graham Trust No. 1 u/a/d 9/13/10, which hold 48,626, 48,626, 48,627 and 48,626 shares of Class A Common Stock, respectively, but he is not a beneficiary of such trusts. As of December 16, 2019, the reporting person resigned from his position as trustee."}],"balance_after":0,"derivative":{"underlying":"Class B Common Stock"},"source":{"system":"sec-edgar","filing":"0000950157-19-001450","document":"form4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":8,"url":"https://www.sec.gov/Archives/edgar/data/104889/000095015719001450/form4.xml","form_type":"4"}},{"id":3337880,"issuer":{"id":3951,"kind":"organization","name":"Graham Holdings Co"},"owners":[{"id":12477,"kind":"person","name":"GRAHAM DONALD","position":1,"cik":"0001018401","reported_name":"GRAHAM DONALD","relationship":{"director":true,"ten_percent_owner":true}}],"security":"Class B Common Stock","published_at":"2019-12-18T21:21:41.000Z","date":"2019-12-16","kind":"other","acquired":false,"shares":43363,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"Trusts for Siblings"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The reporting person was a trustee of the 1939 Residuary Trust f/b/o Elizabeth G. Weymouth u/a/d 6/24/39, which holds 43,363 shares of Class B Common Stock, but he is not a beneficiary of such trust. As of December 16, 2019, the reporting person resigned from his position as trustee."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F1","text":"The reporting person was a trustee of the 1939 Residuary Trust f/b/o Elizabeth G. Weymouth u/a/d 6/24/39, which holds 43,363 shares of Class B Common Stock, but he is not a beneficiary of such trust. As of December 16, 2019, the reporting person resigned from his position as trustee."}],"balance_after":0,"source":{"system":"sec-edgar","filing":"0000950157-19-001450","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/104889/000095015719001450/form4.xml","form_type":"4"}},{"id":3593814,"issuer":{"id":565,"kind":"organization","name":"Cable One, Inc.","symbol":"CABO"},"owners":[{"id":12477,"kind":"person","name":"GRAHAM DONALD","position":1,"cik":"0001018401","reported_name":"GRAHAM DONALD","relationship":{"ten_percent_owner":true}}],"security":"Common Stock; par value $0.01","published_at":"2019-03-15T20:26:48.000Z","date":"2019-03-13","kind":"sale","acquired":false,"shares":6900,"price":926.1402,"value":6390367.38,"ownership":{"direct":false,"nature":"Trusts for Siblings"},"footnotes":[{"field":"ownership.nature","element":"natureOfOwnership","label":"F1","text":"The reporting person is a trustee of the trust that owns the reported securities, but he is not a beneficiary of such trust. The reporting person disclaims beneficial ownership of the reported securities."}],"balance_after":96276,"source":{"system":"sec-edgar","filing":"0000950157-19-000279","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1018401/000095015719000279/form4.xml","form_type":"4"}},{"id":3717011,"issuer":{"id":565,"kind":"organization","name":"Cable One, Inc.","symbol":"CABO"},"owners":[{"id":12477,"kind":"person","name":"GRAHAM DONALD","position":1,"cik":"0001018401","reported_name":"GRAHAM DONALD","relationship":{"ten_percent_owner":true}}],"security":"Common Stock; par value $0.01","published_at":"2018-12-28T21:24:26.000Z","date":"2018-12-26","kind":"other","acquired":false,"shares":72900,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"Trusts for Siblings"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F3","text":"The reporting person was a trustee of the 1973 Trust f/b/o Elizabeth G. Weymouth, which holds 72,900 shares of Common Stock. As of December 26, 2018, the reporting person resigned from his\nposition as trustee."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F1","text":"The reporting person is a trustee of the trust that owns the reported securities, but he is not a beneficiary of such trust. The reporting person disclaims beneficial ownership of the reported securities."}],"balance_after":103176,"source":{"system":"sec-edgar","filing":"0000950157-18-001254","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1018401/000095015718001254/form4.xml","form_type":"4"}},{"id":3717219,"issuer":{"id":3951,"kind":"organization","name":"Graham Holdings Co"},"owners":[{"id":12477,"kind":"person","name":"GRAHAM DONALD","position":1,"cik":"0001018401","reported_name":"GRAHAM DONALD","relationship":{"director":true,"ten_percent_owner":true}}],"security":"Class A Common Stock","published_at":"2018-12-28T21:22:52.000Z","date":"2018-12-26","kind":"other","acquired":true,"shares":69625,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"Trusts for Siblings"},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F4","text":"Shares of Class A Common Stock are convertible into shares of Class B Common Stock at any time on a one-for-one basis and have no expiration date."},{"field":"kind","element":"transactionCoding","label":"F5","text":"The reporting person was a trustee of the 1973 Trust f/b/o Elizabeth G. Weymouth, which holds 69,625 shares of Class A Common Stock. As of December 26, 2018, the reporting person resigned from his position as trustee."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F4","text":"Shares of Class A Common Stock are convertible into shares of Class B Common Stock at any time on a one-for-one basis and have no expiration date."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F4","text":"Shares of Class A Common Stock are convertible into shares of Class B Common Stock at any time on a one-for-one basis and have no expiration date."},{"field":"derivative.underlying_shares","element":"underlyingSecurityShares","label":"F4","text":"Shares of Class A Common Stock are convertible into shares of Class B Common Stock at any time on a one-for-one basis and have no expiration date."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F1","text":"The reporting person is a trustee of the trust that owns the reported securities, but he is not a beneficiary of such trust. The reporting person disclaims beneficial ownership of the reported securities."}],"balance_after":108930,"derivative":{"underlying":"Class B Common Stock"},"source":{"system":"sec-edgar","filing":"0000950157-18-001253","document":"form4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":9,"url":"https://www.sec.gov/Archives/edgar/data/104889/000095015718001253/form4.xml","form_type":"4"}},{"id":3717218,"issuer":{"id":3951,"kind":"organization","name":"Graham Holdings Co"},"owners":[{"id":12477,"kind":"person","name":"GRAHAM DONALD","position":1,"cik":"0001018401","reported_name":"GRAHAM DONALD","relationship":{"director":true,"ten_percent_owner":true}}],"security":"Class B Common Stock","published_at":"2018-12-28T21:22:52.000Z","date":"2018-12-26","kind":"other","acquired":false,"shares":3275,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"Trusts for Siblings"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F3","text":"The reporting person was a trustee of the 1973 Trust f/b/o Elizabeth G. Weymouth, which holds 3,275 shares of Class B Common Stock. As of December 26, 2018, the reporting person resigned from his position as trustee."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F1","text":"The reporting person is a trustee of the trust that owns the reported securities, but he is not a beneficiary of such trust. The reporting person disclaims beneficial ownership of the reported securities."}],"balance_after":43363,"source":{"system":"sec-edgar","filing":"0000950157-18-001253","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/104889/000095015718001253/form4.xml","form_type":"4"}},{"id":3852553,"issuer":{"id":3951,"kind":"organization","name":"Graham Holdings Co"},"owners":[{"id":12477,"kind":"person","name":"GRAHAM DONALD","position":1,"cik":"0001018401","reported_name":"GRAHAM DONALD","relationship":{"director":true,"ten_percent_owner":true}}],"security":"Class B Common Stock","published_at":"2018-08-06T20:18:37.000Z","date":"2018-08-03","kind":"purchase","acquired":true,"shares":150,"price":561.55,"value":84232.5,"ownership":{"direct":false,"nature":"Trusts for Children"},"footnotes":[{"field":"ownership.nature","element":"natureOfOwnership","label":"F1","text":"The reporting person is a trustee of the trust that owns the reported securities, but he is not a beneficiary of such trust. The reporting person disclaims beneficial ownership of the reported securities."}],"balance_after":5600,"source":{"system":"sec-edgar","filing":"0000950157-18-000882","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":8,"url":"https://www.sec.gov/Archives/edgar/data/104889/000095015718000882/form4.xml","form_type":"4"}},{"id":3852552,"issuer":{"id":3951,"kind":"organization","name":"Graham Holdings Co"},"owners":[{"id":12477,"kind":"person","name":"GRAHAM DONALD","position":1,"cik":"0001018401","reported_name":"GRAHAM DONALD","relationship":{"director":true,"ten_percent_owner":true}}],"security":"Class B Common Stock","published_at":"2018-08-06T20:18:37.000Z","date":"2018-08-03","kind":"purchase","acquired":true,"shares":25,"price":559.55,"value":13988.75,"ownership":{"direct":false,"nature":"Trusts for Children"},"footnotes":[{"field":"ownership.nature","element":"natureOfOwnership","label":"F1","text":"The reporting person is a trustee of the trust that owns the reported securities, but he is not a beneficiary of such trust. The reporting person disclaims beneficial ownership of the reported securities."}],"balance_after":5450,"source":{"system":"sec-edgar","filing":"0000950157-18-000882","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":7,"url":"https://www.sec.gov/Archives/edgar/data/104889/000095015718000882/form4.xml","form_type":"4"}},{"id":3852551,"issuer":{"id":3951,"kind":"organization","name":"Graham Holdings Co"},"owners":[{"id":12477,"kind":"person","name":"GRAHAM DONALD","position":1,"cik":"0001018401","reported_name":"GRAHAM DONALD","relationship":{"director":true,"ten_percent_owner":true}}],"security":"Class B Common Stock","published_at":"2018-08-06T20:18:37.000Z","date":"2018-08-03","kind":"purchase","acquired":true,"shares":50,"price":557.5,"value":27875.0,"ownership":{"direct":false,"nature":"Trusts for Children"},"footnotes":[{"field":"ownership.nature","element":"natureOfOwnership","label":"F1","text":"The reporting person is a trustee of the trust that owns the reported securities, but he is not a beneficiary of such trust. The reporting person disclaims beneficial ownership of the reported securities."}],"balance_after":5425,"source":{"system":"sec-edgar","filing":"0000950157-18-000882","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":6,"url":"https://www.sec.gov/Archives/edgar/data/104889/000095015718000882/form4.xml","form_type":"4"}},{"id":3852550,"issuer":{"id":3951,"kind":"organization","name":"Graham Holdings Co"},"owners":[{"id":12477,"kind":"person","name":"GRAHAM DONALD","position":1,"cik":"0001018401","reported_name":"GRAHAM DONALD","relationship":{"director":true,"ten_percent_owner":true}}],"security":"Class B Common Stock","published_at":"2018-08-06T20:18:37.000Z","date":"2018-08-03","kind":"purchase","acquired":true,"shares":215,"price":556.75,"value":119701.25,"ownership":{"direct":false,"nature":"Trusts for Children"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F3","text":"The price reported in Column 4 is a weighted average price. These shares were purchased for the Laura O'Shaughnessy 2012 Family Trust by Timothy O'Shaughnessy, a co-trustee, in multiple transactions at prices ranging from $556.55 to $556.95, inclusive. The reporting person undertakes to provide to Graham Holdings Company, any security holder of Graham Holdings Company, or the staff of the Securities and Exchange Commission, upon request, full information regarding the shares purchased at each separate price within the range set forth in this footnote. The reporting person is a co-trustee of the trust that owns the reported securities, but he is not a beneficiary of such trust. The reporting person disclaims beneficial ownership of the reported securities."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F1","text":"The reporting person is a trustee of the trust that owns the reported securities, but he is not a beneficiary of such trust. The reporting person disclaims beneficial ownership of the reported securities."}],"balance_after":5375,"source":{"system":"sec-edgar","filing":"0000950157-18-000882","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/104889/000095015718000882/form4.xml","form_type":"4"}},{"id":3852549,"issuer":{"id":3951,"kind":"organization","name":"Graham Holdings Co"},"owners":[{"id":12477,"kind":"person","name":"GRAHAM DONALD","position":1,"cik":"0001018401","reported_name":"GRAHAM DONALD","relationship":{"director":true,"ten_percent_owner":true}}],"security":"Class B Common Stock","published_at":"2018-08-06T20:18:37.000Z","date":"2018-08-02","kind":"purchase","acquired":true,"shares":410,"price":549.5,"value":225295.0,"ownership":{"direct":false,"nature":"Trusts for Children"},"footnotes":[{"field":"ownership.nature","element":"natureOfOwnership","label":"F1","text":"The reporting person is a trustee of the trust that owns the reported securities, but he is not a beneficiary of such trust. The reporting person disclaims beneficial ownership of the reported securities."}],"balance_after":5160,"source":{"system":"sec-edgar","filing":"0000950157-18-000882","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/104889/000095015718000882/form4.xml","form_type":"4"}},{"id":3852548,"issuer":{"id":3951,"kind":"organization","name":"Graham Holdings Co"},"owners":[{"id":12477,"kind":"person","name":"GRAHAM DONALD","position":1,"cik":"0001018401","reported_name":"GRAHAM DONALD","relationship":{"director":true,"ten_percent_owner":true}}],"security":"Class B Common Stock","published_at":"2018-08-06T20:18:37.000Z","date":"2018-08-02","kind":"purchase","acquired":true,"shares":950,"price":546.61,"value":519279.5,"ownership":{"direct":false,"nature":"Trusts for Children"},"footnotes":[{"field":"ownership.nature","element":"natureOfOwnership","label":"F1","text":"The reporting person is a trustee of the trust that owns the reported securities, but he is not a beneficiary of such trust. The reporting person disclaims beneficial ownership of the reported securities."}],"balance_after":4750,"source":{"system":"sec-edgar","filing":"0000950157-18-000882","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/104889/000095015718000882/form4.xml","form_type":"4"}},{"id":3898983,"issuer":{"id":565,"kind":"organization","name":"Cable One, Inc.","symbol":"CABO"},"owners":[{"id":12477,"kind":"person","name":"GRAHAM DONALD","position":1,"cik":"0001018401","reported_name":"GRAHAM DONALD","relationship":{"ten_percent_owner":true}}],"security":"Common Stock; par value $0.01","published_at":"2018-06-11T20:17:00.000Z","date":"2018-06-11","kind":"sale","acquired":false,"shares":1438,"price":670.98,"value":964869.24,"ownership":{"direct":false,"nature":"Trusts for Siblings"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F5","text":"The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $665.00 to $678.00, inclusive."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F1","text":"The reporting person is a trustee of the trust that owns the reported securities, but he is not a beneficiary of such trust. The reporting person disclaims beneficial ownership of the reported securities."}],"balance_after":176076,"source":{"system":"sec-edgar","filing":"0000950157-18-000603","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/1018401/000095015718000603/form4.xml","form_type":"4"}},{"id":3898982,"issuer":{"id":565,"kind":"organization","name":"Cable One, Inc.","symbol":"CABO"},"owners":[{"id":12477,"kind":"person","name":"GRAHAM DONALD","position":1,"cik":"0001018401","reported_name":"GRAHAM DONALD","relationship":{"ten_percent_owner":true}}],"security":"Common Stock; par value $0.01","published_at":"2018-06-11T20:17:00.000Z","date":"2018-06-08","kind":"sale","acquired":false,"shares":2158,"price":661.19,"value":1426848.02,"ownership":{"direct":false,"nature":"Trusts for Siblings"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F4","text":"The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $655.00 to $665.00, inclusive."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F1","text":"The reporting person is a trustee of the trust that owns the reported securities, but he is not a beneficiary of such trust. The reporting person disclaims beneficial ownership of the reported securities."}],"balance_after":177514,"source":{"system":"sec-edgar","filing":"0000950157-18-000603","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1018401/000095015718000603/form4.xml","form_type":"4"}},{"id":3898981,"issuer":{"id":565,"kind":"organization","name":"Cable One, Inc.","symbol":"CABO"},"owners":[{"id":12477,"kind":"person","name":"GRAHAM DONALD","position":1,"cik":"0001018401","reported_name":"GRAHAM DONALD","relationship":{"ten_percent_owner":true}}],"security":"Common Stock; par value $0.01","published_at":"2018-06-11T20:17:00.000Z","date":"2018-06-07","kind":"sale","acquired":false,"shares":720,"price":650.07,"value":468050.4,"ownership":{"direct":false,"nature":"Trusts for Siblings"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F3","text":"The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $647.41 to $651.17, inclusive. The reporting person undertakes to provide to Cable One, Inc., any security holder of Cable One, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the shares sold at each separate price within the ranges set forth in this footnote, and in footnotes (4) and (5), inclusive to this Form 4."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F1","text":"The reporting person is a trustee of the trust that owns the reported securities, but he is not a beneficiary of such trust. The reporting person disclaims beneficial ownership of the reported securities."}],"balance_after":179672,"source":{"system":"sec-edgar","filing":"0000950157-18-000603","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1018401/000095015718000603/form4.xml","form_type":"4"}},{"id":3903847,"issuer":{"id":565,"kind":"organization","name":"Cable One, Inc.","symbol":"CABO"},"owners":[{"id":12477,"kind":"person","name":"GRAHAM DONALD","position":1,"cik":"0001018401","reported_name":"GRAHAM DONALD","relationship":{"ten_percent_owner":true}}],"security":"Common Stock; par value $0.01","published_at":"2018-06-06T20:18:23.000Z","date":"2018-06-06","kind":"sale","acquired":false,"shares":1438,"price":653.57,"value":939833.66,"ownership":{"direct":false,"nature":"Trusts for Siblings"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F4","text":"The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $650.76 to $657.00, inclusive."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F1","text":"The reporting person is a trustee of the trust that owns the reported securities, but he is not a beneficiary of such trust. The reporting person disclaims beneficial ownership of the reported securities."}],"balance_after":180392,"source":{"system":"sec-edgar","filing":"0000950157-18-000589","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1018401/000095015718000589/form4.xml","form_type":"4"}},{"id":3903846,"issuer":{"id":565,"kind":"organization","name":"Cable One, Inc.","symbol":"CABO"},"owners":[{"id":12477,"kind":"person","name":"GRAHAM DONALD","position":1,"cik":"0001018401","reported_name":"GRAHAM DONALD","relationship":{"ten_percent_owner":true}}],"security":"Common Stock; par value $0.01","published_at":"2018-06-06T20:18:23.000Z","date":"2018-06-05","kind":"sale","acquired":false,"shares":1438,"price":652.89,"value":938855.82,"ownership":{"direct":false,"nature":"Trusts for Siblings"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F3","text":"The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $650.00 to $665.16, inclusive. The reporting person undertakes to provide to Cable One, Inc., any security holder of Cable One, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the shares sold at each separate price within the ranges set forth in this footnote, and in footnote (4), inclusive to this Form 4."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F1","text":"The reporting person is a trustee of the trust that owns the reported securities, but he is not a beneficiary of such trust. The reporting person disclaims beneficial ownership of the reported securities."}],"balance_after":181830,"source":{"system":"sec-edgar","filing":"0000950157-18-000589","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1018401/000095015718000589/form4.xml","form_type":"4"}},{"id":3909254,"issuer":{"id":565,"kind":"organization","name":"Cable One, Inc.","symbol":"CABO"},"owners":[{"id":12477,"kind":"person","name":"GRAHAM DONALD","position":1,"cik":"0001018401","reported_name":"GRAHAM DONALD","relationship":{"ten_percent_owner":true}}],"security":"Common Stock; par value $0.01","published_at":"2018-06-04T20:18:57.000Z","date":"2018-06-04","kind":"sale","acquired":false,"shares":576,"price":651.19,"value":375085.44,"ownership":{"direct":false,"nature":"Trusts for Siblings"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F4","text":"The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $644.00 to $661.00, inclusive."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F1","text":"The reporting person is a trustee of the trust that owns the reported securities, but he is not a beneficiary of such trust. The reporting person disclaims beneficial ownership of the reported securities."}],"balance_after":183268,"source":{"system":"sec-edgar","filing":"0000950157-18-000584","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1018401/000095015718000584/form4.xml","form_type":"4"}},{"id":3909253,"issuer":{"id":565,"kind":"organization","name":"Cable One, Inc.","symbol":"CABO"},"owners":[{"id":12477,"kind":"person","name":"GRAHAM DONALD","position":1,"cik":"0001018401","reported_name":"GRAHAM DONALD","relationship":{"ten_percent_owner":true}}],"security":"Common Stock; par value $0.01","published_at":"2018-06-04T20:18:57.000Z","date":"2018-06-01","kind":"sale","acquired":false,"shares":2446,"price":659.73,"value":1613699.58,"ownership":{"direct":false,"nature":"Trusts for Siblings"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F3","text":"The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $655.82 to $665.00, inclusive. The reporting person undertakes to provide to Cable One, Inc., any security holder of Cable One, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the shares sold at each separate price within the ranges set forth in this footnote, and in footnote (4), inclusive to this Form 4."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F1","text":"The reporting person is a trustee of the trust that owns the reported securities, but he is not a beneficiary of such trust. The reporting person disclaims beneficial ownership of the reported securities."}],"balance_after":183844,"source":{"system":"sec-edgar","filing":"0000950157-18-000584","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1018401/000095015718000584/form4.xml","form_type":"4"}},{"id":3913054,"issuer":{"id":565,"kind":"organization","name":"Cable One, Inc.","symbol":"CABO"},"owners":[{"id":12477,"kind":"person","name":"GRAHAM DONALD","position":1,"cik":"0001018401","reported_name":"GRAHAM DONALD","relationship":{"ten_percent_owner":true}}],"security":"Common Stock; par value $0.01","published_at":"2018-05-31T20:16:35.000Z","date":"2018-05-31","kind":"sale","acquired":false,"shares":1587,"price":654.92,"value":1039358.04,"ownership":{"direct":false,"nature":"Trusts for Siblings"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F4","text":"The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $650.00 to $657.95, inclusive."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F1","text":"The reporting person is a trustee of the trust that owns the reported securities, but he is not a beneficiary of such trust. The reporting person disclaims beneficial ownership of the reported securities."}],"balance_after":186290,"source":{"system":"sec-edgar","filing":"0000950157-18-000580","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1018401/000095015718000580/form4.xml","form_type":"4"}},{"id":3913053,"issuer":{"id":565,"kind":"organization","name":"Cable One, Inc.","symbol":"CABO"},"owners":[{"id":12477,"kind":"person","name":"GRAHAM DONALD","position":1,"cik":"0001018401","reported_name":"GRAHAM DONALD","relationship":{"ten_percent_owner":true}}],"security":"Common Stock; par value $0.01","published_at":"2018-05-31T20:16:35.000Z","date":"2018-05-30","kind":"sale","acquired":false,"shares":316,"price":657.5,"value":207770.0,"ownership":{"direct":false,"nature":"Trusts for Siblings"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F3","text":"The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $656.10 to $659.02, inclusive. The reporting person undertakes to provide to Cable One, Inc., any security holder of Cable One, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the shares sold at each separate price within the ranges set forth in this footnote, and in footnote (4), inclusive to this Form 4."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F1","text":"The reporting person is a trustee of the trust that owns the reported securities, but he is not a beneficiary of such trust. The reporting person disclaims beneficial ownership of the reported securities."}],"balance_after":187877,"source":{"system":"sec-edgar","filing":"0000950157-18-000580","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1018401/000095015718000580/form4.xml","form_type":"4"}},{"id":3967371,"issuer":{"id":3951,"kind":"organization","name":"Graham Holdings Co"},"owners":[{"id":12477,"kind":"person","name":"GRAHAM DONALD","position":1,"cik":"0001018401","reported_name":"GRAHAM DONALD","relationship":{"director":true,"ten_percent_owner":true}}],"security":"Class A Common Stock","published_at":"2018-04-09T20:43:52.000Z","date":"2018-04-06","kind":"other","acquired":true,"shares":55764,"price":578.48,"value":32258358.72,"ownership":{"direct":false,"nature":"Trusts for Children"},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F3","text":"Shares of Class A Common Stock are convertible into shares of Class B Common Stock at any time on a one-for-one basis and have no expiration date."},{"field":"kind","element":"transactionCoding","label":"F4","text":"This transaction is a private exchange between the reporting person and the Trusts for Children, in which the reporting person is exchanging shares of Class A Common Stock to the Trusts for Children for the equivalent value of Cable One, Inc. Common Stock. The reporting person has indirect beneficial ownership of the Trusts for Children, and as such, this is a change in form of beneficial ownership. The value of Class A Common Stock for the purpose of this transaction is based on the mean of the high and the low prices of Class B Common Stock on March 5, 2018 and the value of Cable One, Inc. Common Stock is based on the mean of the high and the low prices of Cable One, Inc. Common Stock on March 5, 2018."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F3","text":"Shares of Class A Common Stock are convertible into shares of Class B Common Stock at any time on a one-for-one basis and have no expiration date."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F3","text":"Shares of Class A Common Stock are convertible into shares of Class B Common Stock at any time on a one-for-one basis and have no expiration date."},{"field":"derivative.underlying_shares","element":"underlyingSecurityShares","label":"F3","text":"Shares of Class A Common Stock are convertible into shares of Class B Common Stock at any time on a one-for-one basis and have no expiration date."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F1","text":"The reporting person is a trustee of the trust that owns the reported securities, but he is not a beneficiary of such trust. The reporting person disclaims beneficial ownership of the reported securities."}],"balance_after":194505,"derivative":{"underlying":"Class B Common Stock","underlying_shares":0},"source":{"system":"sec-edgar","filing":"0000950157-18-000405","document":"form4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":8,"url":"https://www.sec.gov/Archives/edgar/data/104889/000095015718000405/form4.xml","form_type":"4"}},{"id":3967370,"issuer":{"id":3951,"kind":"organization","name":"Graham Holdings Co"},"owners":[{"id":12477,"kind":"person","name":"GRAHAM DONALD","position":1,"cik":"0001018401","reported_name":"GRAHAM DONALD","relationship":{"director":true,"ten_percent_owner":true}}],"security":"Class A Common Stock","published_at":"2018-04-09T20:43:52.000Z","date":"2018-04-06","kind":"other","acquired":false,"shares":55764,"price":578.48,"value":32258358.72,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F3","text":"Shares of Class A Common Stock are convertible into shares of Class B Common Stock at any time on a one-for-one basis and have no expiration date."},{"field":"kind","element":"transactionCoding","label":"F4","text":"This transaction is a private exchange between the reporting person and the Trusts for Children, in which the reporting person is exchanging shares of Class A Common Stock to the Trusts for Children for the equivalent value of Cable One, Inc. Common Stock. The reporting person has indirect beneficial ownership of the Trusts for Children, and as such, this is a change in form of beneficial ownership. The value of Class A Common Stock for the purpose of this transaction is based on the mean of the high and the low prices of Class B Common Stock on March 5, 2018 and the value of Cable One, Inc. Common Stock is based on the mean of the high and the low prices of Cable One, Inc. Common Stock on March 5, 2018."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F3","text":"Shares of Class A Common Stock are convertible into shares of Class B Common Stock at any time on a one-for-one basis and have no expiration date."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F3","text":"Shares of Class A Common Stock are convertible into shares of Class B Common Stock at any time on a one-for-one basis and have no expiration date."},{"field":"derivative.underlying_shares","element":"underlyingSecurityShares","label":"F3","text":"Shares of Class A Common Stock are convertible into shares of Class B Common Stock at any time on a one-for-one basis and have no expiration date."}],"balance_after":150469,"derivative":{"underlying":"Class B Common Stock","underlying_shares":0},"source":{"system":"sec-edgar","filing":"0000950157-18-000405","document":"form4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":7,"url":"https://www.sec.gov/Archives/edgar/data/104889/000095015718000405/form4.xml","form_type":"4"}},{"id":3974239,"issuer":{"id":565,"kind":"organization","name":"Cable One, Inc.","symbol":"CABO"},"owners":[{"id":12477,"kind":"person","name":"GRAHAM DONALD","position":1,"cik":"0001018401","reported_name":"GRAHAM DONALD","relationship":{"ten_percent_owner":true}}],"security":"Common Stock; par value $0.01","published_at":"2018-04-03T20:29:45.000Z","date":"2018-03-19","kind":"other","acquired":false,"shares":46832,"price":688.79,"value":32257413.28,"ownership":{"direct":false,"nature":"Trusts for Children"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F3","text":"This transaction is a private exchange between the Trusts for Children and the reporting person, in which the Trusts for Children exchanged shares of Common Stock to the reporting person for the equivalent value of Graham Holdings Company Class A Common Stock. The reporting person has indirect beneficial ownership of the Trusts for Children, and as such, this is a change in form of beneficial ownership. The value of Common Stock for the purpose of this transaction is based on the mean of the high and the low prices of Common Stock on March 5, 2018 and the value of Graham Holdings Company Class A Common Stock is based on the mean of the high and the low prices of Graham Holdings Company Class B Common Stock on March 5, 2018.  The transfer of the shares was effectuated by a fiduciary agent, and the reporting person was notified of the completion of the transfer on April 2, 2018."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"This transaction is a private exchange between the Trusts for Children and the reporting person, in which the Trusts for Children exchanged shares of Common Stock to the reporting person for the equivalent value of Graham Holdings Company Class A Common Stock. The reporting person has indirect beneficial ownership of the Trusts for Children, and as such, this is a change in form of beneficial ownership. The value of Common Stock for the purpose of this transaction is based on the mean of the high and the low prices of Common Stock on March 5, 2018 and the value of Graham Holdings Company Class A Common Stock is based on the mean of the high and the low prices of Graham Holdings Company Class B Common Stock on March 5, 2018.  The transfer of the shares was effectuated by a fiduciary agent, and the reporting person was notified of the completion of the transfer on April 2, 2018."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F1","text":"The reporting person is a trustee of the trust that owns the reported securities, but he is not a beneficiary of such trust. The reporting person disclaims beneficial ownership of the reported securities."}],"balance_after":9800,"source":{"system":"sec-edgar","filing":"0000950157-18-000380","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1018401/000095015718000380/form4.xml","form_type":"4"}},{"id":3974238,"issuer":{"id":565,"kind":"organization","name":"Cable One, Inc.","symbol":"CABO"},"owners":[{"id":12477,"kind":"person","name":"GRAHAM DONALD","position":1,"cik":"0001018401","reported_name":"GRAHAM DONALD","relationship":{"ten_percent_owner":true}}],"security":"Common Stock; par value $0.01","published_at":"2018-04-03T20:29:45.000Z","date":"2018-03-15","kind":"other","acquired":false,"shares":30000,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"Trusts for Siblings"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F4","text":"The reporting person was a trustee of the 1973 Trust f/b/o William W. Graham, which holds 30,000 shares of Common Stock. On March 15, 2018, the reporting person resigned from his position as trustee."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F1","text":"The reporting person is a trustee of the trust that owns the reported securities, but he is not a beneficiary of such trust. The reporting person disclaims beneficial ownership of the reported securities."}],"balance_after":188193,"source":{"system":"sec-edgar","filing":"0000950157-18-000380","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1018401/000095015718000380/form4.xml","form_type":"4"}},{"id":3974237,"issuer":{"id":565,"kind":"organization","name":"Cable One, Inc.","symbol":"CABO"},"owners":[{"id":12477,"kind":"person","name":"GRAHAM DONALD","position":1,"cik":"0001018401","reported_name":"GRAHAM DONALD","relationship":{"ten_percent_owner":true}}],"security":"Common Stock; par value $0.01","published_at":"2018-04-03T20:29:45.000Z","date":"2018-03-19","kind":"other","acquired":true,"shares":46832,"price":688.79,"value":32257413.28,"ownership":{"direct":false,"nature":"Revocable Trust"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F3","text":"This transaction is a private exchange between the Trusts for Children and the reporting person, in which the Trusts for Children exchanged shares of Common Stock to the reporting person for the equivalent value of Graham Holdings Company Class A Common Stock. The reporting person has indirect beneficial ownership of the Trusts for Children, and as such, this is a change in form of beneficial ownership. The value of Common Stock for the purpose of this transaction is based on the mean of the high and the low prices of Common Stock on March 5, 2018 and the value of Graham Holdings Company Class A Common Stock is based on the mean of the high and the low prices of Graham Holdings Company Class B Common Stock on March 5, 2018.  The transfer of the shares was effectuated by a fiduciary agent, and the reporting person was notified of the completion of the transfer on April 2, 2018."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"This transaction is a private exchange between the Trusts for Children and the reporting person, in which the Trusts for Children exchanged shares of Common Stock to the reporting person for the equivalent value of Graham Holdings Company Class A Common Stock. The reporting person has indirect beneficial ownership of the Trusts for Children, and as such, this is a change in form of beneficial ownership. The value of Common Stock for the purpose of this transaction is based on the mean of the high and the low prices of Common Stock on March 5, 2018 and the value of Graham Holdings Company Class A Common Stock is based on the mean of the high and the low prices of Graham Holdings Company Class B Common Stock on March 5, 2018.  The transfer of the shares was effectuated by a fiduciary agent, and the reporting person was notified of the completion of the transfer on April 2, 2018."}],"balance_after":112013,"source":{"system":"sec-edgar","filing":"0000950157-18-000380","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1018401/000095015718000380/form4.xml","form_type":"4"}},{"id":3991065,"issuer":{"id":3951,"kind":"organization","name":"Graham Holdings Co"},"owners":[{"id":12477,"kind":"person","name":"GRAHAM DONALD","position":1,"cik":"0001018401","reported_name":"GRAHAM DONALD","relationship":{"director":true,"ten_percent_owner":true}}],"security":"Class A Common Stock","published_at":"2018-03-19T21:12:20.000Z","date":"2018-03-15","kind":"other","acquired":false,"shares":30000,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"Trusts for Siblings"},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F3","text":"Shares of Class A Common Stock are convertible into shares of Class B Common Stock at any time on a one-for-one basis and have no expiration date."},{"field":"kind","element":"transactionCoding","label":"F4","text":"The reporting person was a trustee of the 1973 Trust f/b/o William W. Graham, which holds 30,000 shares of Class A Common Stock. As of March 15, 2018, the reporting person resigned from his position as trustee."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F3","text":"Shares of Class A Common Stock are convertible into shares of Class B Common Stock at any time on a one-for-one basis and have no expiration date."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F3","text":"Shares of Class A Common Stock are convertible into shares of Class B Common Stock at any time on a one-for-one basis and have no expiration date."},{"field":"derivative.underlying_shares","element":"underlyingSecurityShares","label":"F3","text":"Shares of Class A Common Stock are convertible into shares of Class B Common Stock at any time on a one-for-one basis and have no expiration date."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F1","text":"The reporting person is a trustee of the trust that owns the reported securities, but he is not a beneficiary of such trust. The reporting person disclaims beneficial ownership of the reported securities."}],"balance_after":178555,"derivative":{"underlying":"Class B Common Stock"},"source":{"system":"sec-edgar","filing":"0000950157-18-000324","document":"form4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":9,"url":"https://www.sec.gov/Archives/edgar/data/104889/000095015718000324/form4.xml","form_type":"4"}},{"id":4089191,"issuer":{"id":3951,"kind":"organization","name":"Graham Holdings Co"},"owners":[{"id":12477,"kind":"person","name":"GRAHAM DONALD","position":1,"cik":"0001018401","reported_name":"GRAHAM DONALD","relationship":{"director":true,"ten_percent_owner":true}}],"security":"Class A Common Stock","published_at":"2018-01-26T21:35:05.000Z","date":"2018-01-12","kind":"gift","acquired":false,"shares":5400,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"Trusts for Children"},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F3","text":"Shares of Class A Common Stock are convertible into shares of Class B Common Stock at any time on a one-for-one basis and have no expiration date."},{"field":"kind","element":"transactionCoding","label":"F5","text":"As of January 12, 2018, the Trusts distributed their 5,400 shares of Class A Common Stock of the Issuer to the reporting person's children, the Trusts' respective beneficiaries."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F3","text":"Shares of Class A Common Stock are convertible into shares of Class B Common Stock at any time on a one-for-one basis and have no expiration date."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F3","text":"Shares of Class A Common Stock are convertible into shares of Class B Common Stock at any time on a one-for-one basis and have no expiration date."},{"field":"derivative.underlying_shares","element":"underlyingSecurityShares","label":"F3","text":"Shares of Class A Common Stock are convertible into shares of Class B Common Stock at any time on a one-for-one basis and have no expiration date."}],"balance_after":138741,"derivative":{"underlying":"Class B Common Stock"},"source":{"system":"sec-edgar","filing":"0000950157-18-000146","document":"form4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":8,"url":"https://www.sec.gov/Archives/edgar/data/104889/000095015718000146/form4.xml","form_type":"4"}},{"id":4089190,"issuer":{"id":3951,"kind":"organization","name":"Graham Holdings Co"},"owners":[{"id":12477,"kind":"person","name":"GRAHAM DONALD","position":1,"cik":"0001018401","reported_name":"GRAHAM DONALD","relationship":{"director":true,"ten_percent_owner":true}}],"security":"Class B Common Stock","published_at":"2018-01-26T21:35:05.000Z","date":"2017-12-20","kind":"gift","acquired":false,"shares":1800,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"Trusts for Children"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F4","text":"The reporting person was a trustee of the Laura Graham Trust u/a/d 11/29/89 and the Mary Louise Graham Trust u/a/d 11/29/89 (together, the \"Trusts\"). As of December 20, 2017, the Trusts distributed their 1,800 shares of Class B Common Stock of the Issuer to the reporting person's children, the Trusts' respective beneficiaries."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F1","text":"The reporting person is a trustee of the trust that owns the reported securities, but he is not a beneficiary of such trust. The reporting person disclaims beneficial ownership of the reported securities."}],"balance_after":3800,"source":{"system":"sec-edgar","filing":"0000950157-18-000146","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/104889/000095015718000146/form4.xml","form_type":"4"}},{"id":4088734,"issuer":{"id":565,"kind":"organization","name":"Cable One, Inc.","symbol":"CABO"},"owners":[{"id":12477,"kind":"person","name":"GRAHAM DONALD","position":1,"cik":"0001018401","reported_name":"GRAHAM DONALD","relationship":{"ten_percent_owner":true}}],"security":"Common Stock; par value $0.01","published_at":"2018-01-26T21:32:49.000Z","date":"2017-12-20","kind":"gift","acquired":false,"shares":7200,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"Trusts for Children"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F5","text":"The reporting person is a trustee of the Laura Graham Trust u/a/d 11/29/89 and the Mary Louise Graham Trust u/a/d 11/29/89 (together, the \"Trusts\"). As of December 20, 2017, the Trusts distributed their 7,200 shares of Common Stock of the Issuer to the reporting person's children, the Trusts' respective beneficiaries."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F1","text":"The reporting person is a trustee of the trust that owns the reported securities, but he is not a beneficiary of such trust.  The reporting person disclaims beneficial ownership of the reported securities."}],"balance_after":56632,"source":{"system":"sec-edgar","filing":"0000950157-18-000145","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/1018401/000095015718000145/form4.xml","form_type":"4"}},{"id":4088733,"issuer":{"id":565,"kind":"organization","name":"Cable One, Inc.","symbol":"CABO"},"owners":[{"id":12477,"kind":"person","name":"GRAHAM DONALD","position":1,"cik":"0001018401","reported_name":"GRAHAM DONALD","relationship":{"ten_percent_owner":true}}],"security":"Common Stock; par value $0.01","published_at":"2018-01-26T21:32:49.000Z","date":"2018-01-18","kind":"gift","acquired":false,"shares":71450,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F3","text":"This represents a gift to a charitable 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of securities beneficially owned reflects non-reportable transfers of directly held shares of Common Stock of the Issuer to the reporting person's Revocable Trust."}],"balance_after":89644,"source":{"system":"sec-edgar","filing":"0000950157-18-000145","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1018401/000095015718000145/form4.xml","form_type":"4"}},{"id":4178157,"issuer":{"id":3951,"kind":"organization","name":"Graham Holdings Co"},"owners":[{"id":12477,"kind":"person","name":"GRAHAM DONALD","position":1,"cik":"0001018401","reported_name":"GRAHAM DONALD","relationship":{"director":true,"ten_percent_owner":true}}],"security":"Class A Common Stock","published_at":"2017-10-31T21:44:16.000Z","date":"2017-10-27","kind":"gift","acquired":true,"shares":59241,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"Trusts for 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date."},{"field":"derivative.underlying_shares","element":"underlyingSecurityShares","label":"F3","text":"Shares of Class A Common Stock are convertible into shares of Class B Common Stock at any time on a one-for-one basis and have no expiration date."}],"balance_after":144141,"derivative":{"underlying":"Class B Common Stock"},"source":{"system":"sec-edgar","filing":"0000950157-17-001511","document":"form4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":9,"url":"https://www.sec.gov/Archives/edgar/data/104889/000095015717001511/form4.xml","form_type":"4"}},{"id":4178156,"issuer":{"id":3951,"kind":"organization","name":"Graham Holdings Co"},"owners":[{"id":12477,"kind":"person","name":"GRAHAM DONALD","position":1,"cik":"0001018401","reported_name":"GRAHAM DONALD","relationship":{"director":true,"ten_percent_owner":true}}],"security":"Class A Common 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date."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F3","text":"Shares of Class A Common Stock are convertible into shares of Class B Common Stock at any time on a one-for-one basis and have no expiration date."},{"field":"derivative.underlying_shares","element":"underlyingSecurityShares","label":"F3","text":"Shares of Class A Common Stock are convertible into shares of Class B Common Stock at any time on a one-for-one basis and have no expiration date."}],"balance_after":0,"derivative":{"underlying":"Class B Common Stock"},"source":{"system":"sec-edgar","filing":"0000950157-17-001511","document":"form4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":8,"url":"https://www.sec.gov/Archives/edgar/data/104889/000095015717001511/form4.xml","form_type":"4"}},{"id":4181936,"issuer":{"id":565,"kind":"organization","name":"Cable One, Inc.","symbol":"CABO"},"owners":[{"id":12477,"kind":"person","name":"GRAHAM 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The reporting person disclaims beneficial ownership of the reported securities."}],"balance_after":63832,"source":{"system":"sec-edgar","filing":"0000950157-17-001470","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/1018401/000095015717001470/form4.xml","form_type":"4"}},{"id":4181935,"issuer":{"id":565,"kind":"organization","name":"Cable One, Inc.","symbol":"CABO"},"owners":[{"id":12477,"kind":"person","name":"GRAHAM DONALD","position":1,"cik":"0001018401","reported_name":"GRAHAM DONALD","relationship":{"ten_percent_owner":true}}],"security":"Common Stock; par value $0.01","published_at":"2017-10-23T21:43:16.000Z","date":"2017-10-19","kind":"gift","acquired":false,"shares":46832,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"Grantor Retained Annuity Trust"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F4","text":"Following the termination of a grantor retained annuity trust, 46,832 shares of Common Stock in such trust were transferred to trusts for the benefit of the reporting person's children."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"Reflects (i) annuity payment from a grantor retained annuity trust to the reporting person and (ii) the transfers described in footnote 4."}],"balance_after":0,"source":{"system":"sec-edgar","filing":"0000950157-17-001470","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1018401/000095015717001470/form4.xml","form_type":"4"}},{"id":4198151,"issuer":{"id":565,"kind":"organization","name":"Cable One, Inc.","symbol":"CABO"},"owners":[{"id":12477,"kind":"person","name":"GRAHAM DONALD","position":1,"cik":"0001018401","reported_name":"GRAHAM DONALD","relationship":{"ten_percent_owner":true}}],"security":"Common Stock; par value $0.01","published_at":"2017-10-02T21:35:36.000Z","date":"2017-09-28","kind":"gift","acquired":false,"shares":2000,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"Trusts for Children"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F3","text":"The reporting person was the sole trustee of the Mary Louise Graham Trust u/a/d 11/22/85 (the \"Trust\"). The Trust terminated on August 7, 2017 and, as of September 28, 2017, the trust distributed its 2,000 shares of Common Stock of the Issuer to the reporting person's daughter, the Trust's sole beneficiary."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F1","text":"The reporting person is a trustee of the trust that owns the reported securities, but he is not a beneficiary of such trust. The reporting person disclaims beneficial ownership of the reported securities."}],"balance_after":17000,"source":{"system":"sec-edgar","filing":"0000950157-17-001393","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/1018401/000095015717001393/form4.xml","form_type":"4"}},{"id":4198637,"issuer":{"id":3951,"kind":"organization","name":"Graham Holdings Co"},"owners":[{"id":12477,"kind":"person","name":"GRAHAM DONALD","position":1,"cik":"0001018401","reported_name":"GRAHAM DONALD","relationship":{"director":true,"ten_percent_owner":true}}],"security":"Class B Common Stock","published_at":"2017-10-02T21:33:40.000Z","date":"2017-09-28","kind":"gift","acquired":false,"shares":2000,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"Trusts for Children"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F4","text":"The reporting person was the sole trustee of the Mary Louise Graham Trust u/a/d 11/22/85 (the \"Trust\"). The Trust terminated on August 7, 2017 and, as of September 28, 2017, the trust distributed its 2,000 shares of Class B Common Stock of the Issuer to the reporting person's daughter, the Trust's sole beneficiary."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F1","text":"The reporting person is a trustee of the trust that owns the reported securities, but he is not a beneficiary of such trust. The reporting person disclaims beneficial ownership of the reported securities."}],"balance_after":5600,"source":{"system":"sec-edgar","filing":"0000950157-17-001392","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/104889/000095015717001392/form4.xml","form_type":"4"}},{"id":4247615,"issuer":{"id":565,"kind":"organization","name":"Cable One, Inc.","symbol":"CABO"},"owners":[{"id":12477,"kind":"person","name":"GRAHAM DONALD","position":1,"cik":"0001018401","reported_name":"GRAHAM DONALD","relationship":{"ten_percent_owner":true}}],"security":"Common Stock; par value $0.01","published_at":"2017-08-01T21:33:26.000Z","date":"2017-07-28","kind":"sale","acquired":false,"shares":8187,"price":742.52,"value":6079011.24,"ownership":{"direct":false,"nature":"Trusts for Children"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F3","text":"This transaction is a private sale and purchase between the Trusts for Children and the reporting person, in which the Trusts for Children are selling shares of Common Stock to the reporting person for the equivalent value of Graham Holdings Company Class A Common Stock, with fractional shares of Graham Holdings Company Class A being settled in cash. The reporting person has indirect beneficial ownership of the Trusts for Children, and as such this is a change in form of beneficial ownership."},{"field":"price","element":"transactionPricePerShare","label":"F4","text":"The reporting person agreed to complete this transaction on July 24, 2017 as part of a larger transaction that was reported on July 26, 2017. However, due to a processing error at the bank, this transaction was not completed until July 28, 2017. For that reason, the value of Common Stock for the purpose of this transaction is based on the mean of the high and the low price of Common Stock on July 24, 2017 and the value of Graham Holdings Company Class A Common Stock is based on the mean of the high and the low price of Graham Holdings Company Class B Common Stock on July 24, 2017."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F1","text":"The reporting person is a trustee of the trust that owns the reported securities, but he is not a beneficiary of such trust. The reporting person disclaims beneficial ownership of the reported securities."}],"balance_after":19000,"source":{"system":"sec-edgar","filing":"0000950157-17-001162","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/1018401/000095015717001162/form4.xml","form_type":"4"}},{"id":4247614,"issuer":{"id":565,"kind":"organization","name":"Cable One, Inc.","symbol":"CABO"},"owners":[{"id":12477,"kind":"person","name":"GRAHAM DONALD","position":1,"cik":"0001018401","reported_name":"GRAHAM DONALD","relationship":{"ten_percent_owner":true}}],"security":"Common Stock; par value $0.01","published_at":"2017-08-01T21:33:26.000Z","date":"2017-07-28","kind":"purchase","acquired":true,"shares":8187,"price":742.52,"value":6079011.24,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F3","text":"This transaction is a private sale and purchase between the Trusts for Children and the reporting person, in which the Trusts for Children are selling shares of Common Stock to the reporting person for the equivalent value of Graham Holdings Company Class A Common Stock, with fractional shares of Graham Holdings Company Class A being settled in cash. The reporting person has indirect beneficial ownership of the Trusts for Children, and as such this is a change in form of beneficial ownership."},{"field":"price","element":"transactionPricePerShare","label":"F4","text":"The reporting person agreed to complete this transaction on July 24, 2017 as part of a larger transaction that was reported on July 26, 2017. However, due to a processing error at the bank, this transaction was not completed until July 28, 2017. For that reason, the value of Common Stock for the purpose of this transaction is based on the mean of the high and the low price of Common Stock on July 24, 2017 and the value of Graham Holdings Company Class A Common Stock is based on the mean of the high and the low price of Graham Holdings Company Class B Common Stock on July 24, 2017."}],"balance_after":279733,"source":{"system":"sec-edgar","filing":"0000950157-17-001162","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1018401/000095015717001162/form4.xml","form_type":"4"}},{"id":4248003,"issuer":{"id":3951,"kind":"organization","name":"Graham Holdings Co"},"owners":[{"id":12477,"kind":"person","name":"GRAHAM DONALD","position":1,"cik":"0001018401","reported_name":"GRAHAM DONALD","relationship":{"ten_percent_owner":true}}],"security":"Class A Common Stock","published_at":"2017-08-01T21:32:09.000Z","date":"2017-07-28","kind":"purchase","acquired":true,"shares":10188,"price":596.7,"value":6079179.6,"ownership":{"direct":false,"nature":"Trusts for Children"},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F3","text":"Shares of Class A Common Stock are convertible into shares of Class B Common Stock at any time on a one-for-one basis and have no expiration date."},{"field":"kind","element":"transactionCoding","label":"F4","text":"This transaction is a private sale and purchase between the reporting person and the Trusts for Children, in which the reporting person is selling shares of Class A Common Stock to the Trusts for Children for the equivalent value of Cable One, Inc. Common Stock, with fractional shares of Class A Common Stock being settled in cash. The reporting person has indirect beneficial ownership of the Trusts for Children, and as such this is a change in form of beneficial ownership."},{"field":"price","element":"transactionPricePerShare","label":"F5","text":"The reporting person agreed to complete this transaction on July 24, 2017 as part of a larger transaction that was reported on July 26, 2017. However, due to a processing error at the bank, this transaction was not completed until July 28, 2017. For that reason, the value of Class A Common Stock for the purpose of this transaction is based on the mean of the high and the low price of Class B Common Stock on July 24, 2017 and the value of Cable One, Inc. Common Stock is based on the mean of the high and the low price of Cable One, Inc. Common Stock on July 24, 2017."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F3","text":"Shares of Class A Common Stock are convertible into shares of Class B Common Stock at any time on a one-for-one basis and have no expiration date."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F3","text":"Shares of Class A Common Stock are convertible into shares of Class B Common Stock at any time on a one-for-one basis and have no expiration date."},{"field":"derivative.underlying_shares","element":"underlyingSecurityShares","label":"F3","text":"Shares of Class A Common Stock are convertible into shares of Class B Common Stock at any time on a one-for-one basis and have no expiration date."}],"balance_after":84900,"derivative":{"underlying":"Class B Common Stock"},"source":{"system":"sec-edgar","filing":"0000950157-17-001161","document":"form4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":9,"url":"https://www.sec.gov/Archives/edgar/data/104889/000095015717001161/form4.xml","form_type":"4"}},{"id":4248002,"issuer":{"id":3951,"kind":"organization","name":"Graham Holdings Co"},"owners":[{"id":12477,"kind":"person","name":"GRAHAM DONALD","position":1,"cik":"0001018401","reported_name":"GRAHAM DONALD","relationship":{"ten_percent_owner":true}}],"security":"Class A Common Stock","published_at":"2017-08-01T21:32:09.000Z","date":"2017-07-28","kind":"sale","acquired":false,"shares":10188,"price":596.7,"value":6079179.6,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F3","text":"Shares of Class A Common Stock are convertible into shares of Class B Common Stock at any time on a one-for-one basis and have no expiration date."},{"field":"kind","element":"transactionCoding","label":"F4","text":"This transaction is a private sale and purchase between the reporting person and the Trusts for Children, in which the reporting person is selling shares of Class A Common Stock to the Trusts for Children for the equivalent value of Cable One, Inc. Common Stock, with fractional shares of Class A Common Stock being settled in cash. The reporting person has indirect beneficial ownership of the Trusts for Children, and as such this is a change in form of beneficial ownership."},{"field":"price","element":"transactionPricePerShare","label":"F5","text":"The reporting person agreed to complete this transaction on July 24, 2017 as part of a larger transaction that was reported on July 26, 2017. However, due to a processing error at the bank, this transaction was not completed until July 28, 2017. For that reason, the value of Class A Common Stock for the purpose of this transaction is based on the mean of the high and the low price of Class B Common Stock on July 24, 2017 and the value of Cable One, Inc. Common Stock is based on the mean of the high and the low price of Cable One, Inc. Common Stock on July 24, 2017."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F3","text":"Shares of Class A Common Stock are convertible into shares of Class B Common Stock at any time on a one-for-one basis and have no expiration date."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F3","text":"Shares of Class A Common Stock are convertible into shares of Class B Common Stock at any time on a one-for-one basis and have no expiration date."},{"field":"derivative.underlying_shares","element":"underlyingSecurityShares","label":"F3","text":"Shares of Class A Common Stock are convertible into shares of Class B Common Stock at any time on a one-for-one basis and have no expiration date."}],"balance_after":206233,"derivative":{"underlying":"Class B Common Stock"},"source":{"system":"sec-edgar","filing":"0000950157-17-001161","document":"form4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":7,"url":"https://www.sec.gov/Archives/edgar/data/104889/000095015717001161/form4.xml","form_type":"4"}},{"id":4251343,"issuer":{"id":565,"kind":"organization","name":"Cable One, Inc.","symbol":"CABO"},"owners":[{"id":12477,"kind":"person","name":"GRAHAM DONALD","position":1,"cik":"0001018401","reported_name":"GRAHAM DONALD","relationship":{"ten_percent_owner":true}}],"security":"Common Stock; par value $0.01","published_at":"2017-07-26T21:40:34.000Z","date":"2017-07-24","kind":"sale","acquired":false,"shares":24561,"price":742.52,"value":18237033.72,"ownership":{"direct":false,"nature":"Trusts for Children"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F3","text":"This transaction is a private sale and purchase between the Trusts for Children and the reporting person, in which the Trusts for Children are selling shares of Common Stock to the reporting person for the equivalent value of Graham Holdings Company Class A Common Stock, with fractional shares of Graham Holdings Company Class A being settled in cash. The reporting person has indirect beneficial ownership of the Trusts for Children, and as such this is a change in form of beneficial ownership. The value of Common Stock for the purpose of this transaction is based on the mean of the high and the low price of Common Stock on July 24, 2017 and the value of Graham Holdings Company Class A Common Stock is based on the mean of the high and the low price of Graham Holdings Company Class B Common Stock on July 24, 2017."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"This transaction is a private sale and purchase between the Trusts for Children and the reporting person, in which the Trusts for Children are selling shares of Common Stock to the reporting person for the equivalent value of Graham Holdings Company Class A Common Stock, with fractional shares of Graham Holdings Company Class A being settled in cash. The reporting person has indirect beneficial ownership of the Trusts for Children, and as such this is a change in form of beneficial ownership. The value of Common Stock for the purpose of this transaction is based on the mean of the high and the low price of Common Stock on July 24, 2017 and the value of Graham Holdings Company Class A Common Stock is based on the mean of the high and the low price of Graham Holdings Company Class B Common Stock on July 24, 2017."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F1","text":"The reporting person is a trustee of the trust that owns the reported securities, but he is not a beneficiary of such trust. The reporting person disclaims beneficial ownership of the reported securities."}],"balance_after":27187,"source":{"system":"sec-edgar","filing":"0000950157-17-001141","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/1018401/000095015717001141/form4.xml","form_type":"4"}},{"id":4251342,"issuer":{"id":565,"kind":"organization","name":"Cable One, Inc.","symbol":"CABO"},"owners":[{"id":12477,"kind":"person","name":"GRAHAM DONALD","position":1,"cik":"0001018401","reported_name":"GRAHAM DONALD","relationship":{"ten_percent_owner":true}}],"security":"Common Stock; par value $0.01","published_at":"2017-07-26T21:40:34.000Z","date":"2017-07-24","kind":"purchase","acquired":true,"shares":24561,"price":742.52,"value":18237033.72,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F3","text":"This transaction is a private sale and purchase between the Trusts for Children and the reporting person, in which the Trusts for Children are selling shares of Common Stock to the reporting person for the equivalent value of Graham Holdings Company Class A Common Stock, with fractional shares of Graham Holdings Company Class A being settled in cash. The reporting person has indirect beneficial ownership of the Trusts for Children, and as such this is a change in form of beneficial ownership. The value of Common Stock for the purpose of this transaction is based on the mean of the high and the low price of Common Stock on July 24, 2017 and the value of Graham Holdings Company Class A Common Stock is based on the mean of the high and the low price of Graham Holdings Company Class B Common Stock on July 24, 2017."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"This transaction is a private sale and purchase between the Trusts for Children and the reporting person, in which the Trusts for Children are selling shares of Common Stock to the reporting person for the equivalent value of Graham Holdings Company Class A Common Stock, with fractional shares of Graham Holdings Company Class A being settled in cash. The reporting person has indirect beneficial ownership of the Trusts for Children, and as such this is a change in form of beneficial ownership. The value of Common Stock for the purpose of this transaction is based on the mean of the high and the low price of Common Stock on July 24, 2017 and the value of Graham Holdings Company Class A Common Stock is based on the mean of the high and the low price of Graham Holdings Company Class B Common Stock on July 24, 2017."}],"balance_after":271546,"source":{"system":"sec-edgar","filing":"0000950157-17-001141","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1018401/000095015717001141/form4.xml","form_type":"4"}},{"id":4251544,"issuer":{"id":3951,"kind":"organization","name":"Graham Holdings Co"},"owners":[{"id":12477,"kind":"person","name":"GRAHAM DONALD","position":1,"cik":"0001018401","reported_name":"GRAHAM DONALD","relationship":{"ten_percent_owner":true}}],"security":"Class A Common Stock","published_at":"2017-07-26T21:38:46.000Z","date":"2017-07-24","kind":"purchase","acquired":true,"shares":30564,"price":596.7,"value":18237538.8,"ownership":{"direct":false,"nature":"Trusts for Children"},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F3","text":"Shares of Class A Common Stock are convertible into shares of Class B Common Stock at any time on a one-for-one basis and have no expiration date."},{"field":"kind","element":"transactionCoding","label":"F4","text":"This transaction is a private sale and purchase between the reporting person and the Trusts for Children, in which the reporting person is selling shares of Class A Common Stock to the Trusts for Children for the equivalent value of Cable One, Inc. Common Stock, with fractional shares of Class A Common Stock being settled in cash. The reporting person has indirect beneficial ownership of the Trusts for Children, and as such this is a change in form of beneficial ownership. The value of Class A Common Stock for the purpose of this transaction is based on the mean of the high and the low price of Class B Common Stock on July 24, 2017 and the value of Cable One, Inc. Common Stock is based on the mean of the high and the low price of Cable One, Inc. Common Stock on July 24, 2017."},{"field":"price","element":"transactionPricePerShare","label":"F4","text":"This transaction is a private sale and purchase between the reporting person and the Trusts for Children, in which the reporting person is selling shares of Class A Common Stock to the Trusts for Children for the equivalent value of Cable One, Inc. Common Stock, with fractional shares of Class A Common Stock being settled in cash. The reporting person has indirect beneficial ownership of the Trusts for Children, and as such this is a change in form of beneficial ownership. The value of Class A Common Stock for the purpose of this transaction is based on the mean of the high and the low price of Class B Common Stock on July 24, 2017 and the value of Cable One, Inc. Common Stock is based on the mean of the high and the low price of Cable One, Inc. Common Stock on July 24, 2017."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F3","text":"Shares of Class A Common Stock are convertible into shares of Class B Common Stock at any time on a one-for-one basis and have no expiration date."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F3","text":"Shares of Class A Common Stock are convertible into shares of Class B Common Stock at any time on a one-for-one basis and have no expiration date."},{"field":"derivative.underlying_shares","element":"underlyingSecurityShares","label":"F3","text":"Shares of Class A Common Stock are convertible into shares of Class B Common Stock at any time on a one-for-one basis and have no expiration date."}],"balance_after":74712,"derivative":{"underlying":"Class B Common Stock"},"source":{"system":"sec-edgar","filing":"0000950157-17-001140","document":"form4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":9,"url":"https://www.sec.gov/Archives/edgar/data/104889/000095015717001140/form4.xml","form_type":"4"}},{"id":4251543,"issuer":{"id":3951,"kind":"organization","name":"Graham Holdings Co"},"owners":[{"id":12477,"kind":"person","name":"GRAHAM DONALD","position":1,"cik":"0001018401","reported_name":"GRAHAM DONALD","relationship":{"ten_percent_owner":true}}],"security":"Class A Common Stock","published_at":"2017-07-26T21:38:46.000Z","date":"2017-07-24","kind":"sale","acquired":false,"shares":30564,"price":596.7,"value":18237538.8,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F3","text":"Shares of Class A Common Stock are convertible into shares of Class B Common Stock at any time on a one-for-one basis and have no expiration date."},{"field":"kind","element":"transactionCoding","label":"F4","text":"This transaction is a private sale and purchase between the reporting person and the Trusts for Children, in which the reporting person is selling shares of Class A Common Stock to the Trusts for Children for the equivalent value of Cable One, Inc. Common Stock, with fractional shares of Class A Common Stock being settled in cash. The reporting person has indirect beneficial ownership of the Trusts for Children, and as such this is a change in form of beneficial ownership. The value of Class A Common Stock for the purpose of this transaction is based on the mean of the high and the low price of Class B Common Stock on July 24, 2017 and the value of Cable One, Inc. Common Stock is based on the mean of the high and the low price of Cable One, Inc. Common Stock on July 24, 2017."},{"field":"price","element":"transactionPricePerShare","label":"F4","text":"This transaction is a private sale and purchase between the reporting person and the Trusts for Children, in which the reporting person is selling shares of Class A Common Stock to the Trusts for Children for the equivalent value of Cable One, Inc. Common Stock, with fractional shares of Class A Common Stock being settled in cash. The reporting person has indirect beneficial ownership of the Trusts for Children, and as such this is a change in form of beneficial ownership. The value of Class A Common Stock for the purpose of this transaction is based on the mean of the high and the low price of Class B Common Stock on July 24, 2017 and the value of Cable One, Inc. Common Stock is based on the mean of the high and the low price of Cable One, Inc. Common Stock on July 24, 2017."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F3","text":"Shares of Class A Common Stock are convertible into shares of Class B Common Stock at any time on a one-for-one basis and have no expiration date."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F3","text":"Shares of Class A Common Stock are convertible into shares of Class B Common Stock at any time on a one-for-one basis and have no expiration date."},{"field":"derivative.underlying_shares","element":"underlyingSecurityShares","label":"F3","text":"Shares of Class A Common Stock are convertible into shares of Class B Common Stock at any time on a one-for-one basis and have no expiration date."}],"balance_after":216421,"derivative":{"underlying":"Class B Common Stock"},"source":{"system":"sec-edgar","filing":"0000950157-17-001140","document":"form4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":7,"url":"https://www.sec.gov/Archives/edgar/data/104889/000095015717001140/form4.xml","form_type":"4"}},{"id":4277987,"issuer":{"id":565,"kind":"organization","name":"Cable One, Inc.","symbol":"CABO"},"owners":[{"id":12477,"kind":"person","name":"GRAHAM DONALD","position":1,"cik":"0001018401","reported_name":"GRAHAM DONALD","relationship":{"ten_percent_owner":true}}],"security":"Common Stock; par value $0.01","published_at":"2017-06-19T21:30:51.000Z","date":"2017-06-16","kind":"sale","acquired":false,"shares":12,"price":727.05,"value":8724.6,"ownership":{"direct":false,"nature":"Trusts for Siblings"},"footnotes":[{"field":"ownership.nature","element":"natureOfOwnership","label":"F1","text":"The reporting person is a trustee of the trust that owns the reported securities, but he is not a beneficiary of such trust. The reporting person disclaims beneficial ownership of the reported securities."}],"balance_after":218193,"source":{"system":"sec-edgar","filing":"0000950157-17-000966","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":16,"url":"https://www.sec.gov/Archives/edgar/data/1018401/000095015717000966/form4.xml","form_type":"4"}},{"id":4277986,"issuer":{"id":565,"kind":"organization","name":"Cable One, Inc.","symbol":"CABO"},"owners":[{"id":12477,"kind":"person","name":"GRAHAM DONALD","position":1,"cik":"0001018401","reported_name":"GRAHAM DONALD","relationship":{"ten_percent_owner":true}}],"security":"Common Stock; par value $0.01","published_at":"2017-06-19T21:30:51.000Z","date":"2017-06-16","kind":"sale","acquired":false,"shares":449,"price":725.49,"value":325745.01,"ownership":{"direct":false,"nature":"Trusts for Siblings"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F7","text":"The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $725.00 to $725.82, inclusive."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F1","text":"The reporting person is a trustee of the trust that owns the reported securities, but he is not a beneficiary of such trust. The reporting person disclaims beneficial ownership of the reported securities."}],"balance_after":218205,"source":{"system":"sec-edgar","filing":"0000950157-17-000966","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":15,"url":"https://www.sec.gov/Archives/edgar/data/1018401/000095015717000966/form4.xml","form_type":"4"}},{"id":4277985,"issuer":{"id":565,"kind":"organization","name":"Cable One, Inc.","symbol":"CABO"},"owners":[{"id":12477,"kind":"person","name":"GRAHAM DONALD","position":1,"cik":"0001018401","reported_name":"GRAHAM DONALD","relationship":{"ten_percent_owner":true}}],"security":"Common Stock; par value $0.01","published_at":"2017-06-19T21:30:51.000Z","date":"2017-06-16","kind":"sale","acquired":false,"shares":1,"price":724.23,"value":724.23,"ownership":{"direct":false,"nature":"Trusts for Siblings"},"footnotes":[{"field":"ownership.nature","element":"natureOfOwnership","label":"F1","text":"The reporting person is a trustee of the trust that owns the reported securities, but he is not a beneficiary of such trust. The reporting person disclaims beneficial ownership of the reported securities."}],"balance_after":218654,"source":{"system":"sec-edgar","filing":"0000950157-17-000966","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":14,"url":"https://www.sec.gov/Archives/edgar/data/1018401/000095015717000966/form4.xml","form_type":"4"}},{"id":4277984,"issuer":{"id":565,"kind":"organization","name":"Cable One, Inc.","symbol":"CABO"},"owners":[{"id":12477,"kind":"person","name":"GRAHAM DONALD","position":1,"cik":"0001018401","reported_name":"GRAHAM DONALD","relationship":{"ten_percent_owner":true}}],"security":"Common Stock; par value $0.01","published_at":"2017-06-19T21:30:51.000Z","date":"2017-06-16","kind":"sale","acquired":false,"shares":237,"price":723.59,"value":171490.83,"ownership":{"direct":false,"nature":"Trusts for Siblings"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F6","text":"The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $723.49 to $723.71, inclusive."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F1","text":"The reporting person is a trustee of the trust that owns the reported securities, but he is not a beneficiary of such trust. The reporting person disclaims beneficial ownership of the reported securities."}],"balance_after":218655,"source":{"system":"sec-edgar","filing":"0000950157-17-000966","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":13,"url":"https://www.sec.gov/Archives/edgar/data/1018401/000095015717000966/form4.xml","form_type":"4"}},{"id":4277983,"issuer":{"id":565,"kind":"organization","name":"Cable One, Inc.","symbol":"CABO"},"owners":[{"id":12477,"kind":"person","name":"GRAHAM DONALD","position":1,"cik":"0001018401","reported_name":"GRAHAM DONALD","relationship":{"ten_percent_owner":true}}],"security":"Common Stock; par value $0.01","published_at":"2017-06-19T21:30:51.000Z","date":"2017-06-16","kind":"sale","acquired":false,"shares":2,"price":722.12,"value":1444.24,"ownership":{"direct":false,"nature":"Trusts for Siblings"},"footnotes":[{"field":"ownership.nature","element":"natureOfOwnership","label":"F1","text":"The reporting person is a trustee of the trust that owns the reported securities, but he is not a beneficiary of such trust. 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The reporting person disclaims beneficial ownership of the reported securities."}],"balance_after":218992,"source":{"system":"sec-edgar","filing":"0000950157-17-000966","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":10,"url":"https://www.sec.gov/Archives/edgar/data/1018401/000095015717000966/form4.xml","form_type":"4"}},{"id":4277980,"issuer":{"id":565,"kind":"organization","name":"Cable One, Inc.","symbol":"CABO"},"owners":[{"id":12477,"kind":"person","name":"GRAHAM DONALD","position":1,"cik":"0001018401","reported_name":"GRAHAM DONALD","relationship":{"ten_percent_owner":true}}],"security":"Common Stock; par value $0.01","published_at":"2017-06-19T21:30:51.000Z","date":"2017-06-16","kind":"sale","acquired":false,"shares":200,"price":716.67,"value":143334.0,"ownership":{"direct":false,"nature":"Trusts for Siblings"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F5","text":"The price reported in Column 4 is a weighted average price. 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These shares were sold in multiple transactions at prices ranging from $715.02 to $715.57, inclusive. The reporting person undertakes to provide to Cable One, Inc., any security holder of Cable One, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the shares sold at each separate price within the ranges set forth in this footnote, and in footnotes (4) to (7), inclusive to this Form 4."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F1","text":"The reporting person is a trustee of the trust that owns the reported securities, but he is not a beneficiary of such trust. 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The reporting person disclaims beneficial ownership of the reported securities."}],"balance_after":223393,"source":{"system":"sec-edgar","filing":"0000950157-17-000906","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/1018401/000095015717000906/form4.xml","form_type":"4"}},{"id":4282603,"issuer":{"id":565,"kind":"organization","name":"Cable One, Inc.","symbol":"CABO"},"owners":[{"id":12477,"kind":"person","name":"GRAHAM DONALD","position":1,"cik":"0001018401","reported_name":"GRAHAM DONALD","relationship":{"ten_percent_owner":true}}],"security":"Common Stock; par value $0.01","published_at":"2017-06-14T21:56:04.000Z","date":"2017-06-12","kind":"sale","acquired":false,"shares":182,"price":715.5,"value":130221.0,"ownership":{"direct":false,"nature":"Trusts for Siblings"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F3","text":"The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $715.01 to $715.90, inclusive. The reporting person undertakes to provide to Cable One, Inc., any security holder of Cable One, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the shares sold at each separate price within the ranges set forth in this footnote, and in footnotes (4) to (13), inclusive to this Form 4."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F1","text":"The reporting person is a trustee of the trust that owns the reported securities, but he is not a beneficiary of such trust. The reporting person disclaims beneficial ownership of the reported securities."}],"balance_after":223711,"source":{"system":"sec-edgar","filing":"0000950157-17-000906","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1018401/000095015717000906/form4.xml","form_type":"4"}},{"id":4286067,"issuer":{"id":565,"kind":"organization","name":"Cable One, Inc.","symbol":"CABO"},"owners":[{"id":12477,"kind":"person","name":"GRAHAM DONALD","position":1,"cik":"0001018401","reported_name":"GRAHAM DONALD","relationship":{"ten_percent_owner":true}}],"security":"Common Stock; par value $0.01","published_at":"2017-06-13T01:49:58.000Z","date":"2017-06-09","kind":"sale","acquired":false,"shares":100,"price":730.05,"value":73005.0,"ownership":{"direct":false,"nature":"Trust for Siblings"},"footnotes":[{"field":"ownership.nature","element":"natureOfOwnership","label":"F1","text":"The reporting person is a trustee of the trust that owns the reported securities, but he is not a beneficiary of such trust. The reporting person disclaims beneficial ownership of the reported securities."}],"balance_after":223893,"source":{"system":"sec-edgar","filing":"0000950157-17-000894","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":12,"url":"https://www.sec.gov/Archives/edgar/data/1018401/000095015717000894/form4.xml","form_type":"4"}},{"id":4286066,"issuer":{"id":565,"kind":"organization","name":"Cable One, Inc.","symbol":"CABO"},"owners":[{"id":12477,"kind":"person","name":"GRAHAM DONALD","position":1,"cik":"0001018401","reported_name":"GRAHAM DONALD","relationship":{"ten_percent_owner":true}}],"security":"Common Stock; par value $0.01","published_at":"2017-06-13T01:49:58.000Z","date":"2017-06-09","kind":"sale","acquired":false,"shares":318,"price":729.62,"value":232019.16,"ownership":{"direct":false,"nature":"Trust for Siblings"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F8","text":"The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $729.00 to $729.96, inclusive."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F1","text":"The reporting person is a trustee of the trust that owns the reported securities, but he is not a beneficiary of such trust. The reporting person disclaims beneficial ownership of the reported securities."}],"balance_after":223993,"source":{"system":"sec-edgar","filing":"0000950157-17-000894","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":11,"url":"https://www.sec.gov/Archives/edgar/data/1018401/000095015717000894/form4.xml","form_type":"4"}},{"id":4286065,"issuer":{"id":565,"kind":"organization","name":"Cable One, Inc.","symbol":"CABO"},"owners":[{"id":12477,"kind":"person","name":"GRAHAM DONALD","position":1,"cik":"0001018401","reported_name":"GRAHAM DONALD","relationship":{"ten_percent_owner":true}}],"security":"Common Stock; par value $0.01","published_at":"2017-06-13T01:49:58.000Z","date":"2017-06-09","kind":"sale","acquired":false,"shares":191,"price":728.98,"value":139235.18,"ownership":{"direct":false,"nature":"Trust for Siblings"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F7","text":"The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $728.96 to $728.99, inclusive."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F1","text":"The reporting person is a trustee of the trust that owns the reported securities, but he is not a beneficiary of such trust. The reporting person disclaims beneficial ownership of the reported securities."}],"balance_after":224311,"source":{"system":"sec-edgar","filing":"0000950157-17-000894","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":10,"url":"https://www.sec.gov/Archives/edgar/data/1018401/000095015717000894/form4.xml","form_type":"4"}},{"id":4286064,"issuer":{"id":565,"kind":"organization","name":"Cable One, Inc.","symbol":"CABO"},"owners":[{"id":12477,"kind":"person","name":"GRAHAM DONALD","position":1,"cik":"0001018401","reported_name":"GRAHAM DONALD","relationship":{"ten_percent_owner":true}}],"security":"Common Stock; par value $0.01","published_at":"2017-06-13T01:49:58.000Z","date":"2017-06-09","kind":"sale","acquired":false,"shares":91,"price":723.1,"value":65802.1,"ownership":{"direct":false,"nature":"Trust for Siblings"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F6","text":"The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $723.01 to $723.51, inclusive."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F1","text":"The reporting person is a trustee of the trust that owns the reported securities, but he is not a beneficiary of such trust. The reporting person disclaims beneficial ownership of the reported securities."}],"balance_after":224502,"source":{"system":"sec-edgar","filing":"0000950157-17-000894","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":9,"url":"https://www.sec.gov/Archives/edgar/data/1018401/000095015717000894/form4.xml","form_type":"4"}},{"id":4286063,"issuer":{"id":565,"kind":"organization","name":"Cable One, Inc.","symbol":"CABO"},"owners":[{"id":12477,"kind":"person","name":"GRAHAM DONALD","position":1,"cik":"0001018401","reported_name":"GRAHAM DONALD","relationship":{"ten_percent_owner":true}}],"security":"Common Stock; par value $0.01","published_at":"2017-06-13T01:49:58.000Z","date":"2017-06-08","kind":"sale","acquired":false,"shares":100,"price":727.54,"value":72754.0,"ownership":{"direct":false,"nature":"Trust for Siblings"},"footnotes":[{"field":"ownership.nature","element":"natureOfOwnership","label":"F1","text":"The reporting person is a trustee of the trust that owns the reported securities, but he is not a beneficiary of such trust. The reporting person disclaims beneficial ownership of the reported securities."}],"balance_after":224593,"source":{"system":"sec-edgar","filing":"0000950157-17-000894","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":8,"url":"https://www.sec.gov/Archives/edgar/data/1018401/000095015717000894/form4.xml","form_type":"4"}},{"id":4286062,"issuer":{"id":565,"kind":"organization","name":"Cable One, Inc.","symbol":"CABO"},"owners":[{"id":12477,"kind":"person","name":"GRAHAM DONALD","position":1,"cik":"0001018401","reported_name":"GRAHAM DONALD","relationship":{"ten_percent_owner":true}}],"security":"Common Stock; par value $0.01","published_at":"2017-06-13T01:49:58.000Z","date":"2017-06-08","kind":"sale","acquired":false,"shares":194,"price":726.78,"value":140995.32,"ownership":{"direct":false,"nature":"Trust for Siblings"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F5","text":"The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $726.61 to $726.97, inclusive."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F1","text":"The reporting person is a trustee of the trust that owns the reported securities, but he is not a beneficiary of such trust. The reporting person disclaims beneficial ownership of the reported securities."}],"balance_after":224693,"source":{"system":"sec-edgar","filing":"0000950157-17-000894","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":7,"url":"https://www.sec.gov/Archives/edgar/data/1018401/000095015717000894/form4.xml","form_type":"4"}},{"id":4286061,"issuer":{"id":565,"kind":"organization","name":"Cable One, Inc.","symbol":"CABO"},"owners":[{"id":12477,"kind":"person","name":"GRAHAM DONALD","position":1,"cik":"0001018401","reported_name":"GRAHAM DONALD","relationship":{"ten_percent_owner":true}}],"security":"Common Stock; par value $0.01","published_at":"2017-06-13T01:49:58.000Z","date":"2017-06-08","kind":"sale","acquired":false,"shares":200,"price":725.7,"value":145140.0,"ownership":{"direct":false,"nature":"Trust for Siblings"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F4","text":"The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $725.41 to $725.99, inclusive."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F1","text":"The reporting person is a trustee of the trust that owns the reported securities, but he is not a beneficiary of such trust. The reporting person disclaims beneficial ownership of the reported securities."}],"balance_after":224887,"source":{"system":"sec-edgar","filing":"0000950157-17-000894","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":6,"url":"https://www.sec.gov/Archives/edgar/data/1018401/000095015717000894/form4.xml","form_type":"4"}},{"id":4286060,"issuer":{"id":565,"kind":"organization","name":"Cable One, Inc.","symbol":"CABO"},"owners":[{"id":12477,"kind":"person","name":"GRAHAM DONALD","position":1,"cik":"0001018401","reported_name":"GRAHAM DONALD","relationship":{"ten_percent_owner":true}}],"security":"Common Stock; par value $0.01","published_at":"2017-06-13T01:49:58.000Z","date":"2017-06-08","kind":"sale","acquired":false,"shares":25,"price":723.01,"value":18075.25,"ownership":{"direct":false,"nature":"Trust for Siblings"},"footnotes":[{"field":"ownership.nature","element":"natureOfOwnership","label":"F1","text":"The reporting person is a trustee of the trust that owns the reported securities, but he is not a beneficiary of such trust. The reporting person disclaims beneficial ownership of the reported securities."}],"balance_after":225087,"source":{"system":"sec-edgar","filing":"0000950157-17-000894","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/1018401/000095015717000894/form4.xml","form_type":"4"}},{"id":4286059,"issuer":{"id":565,"kind":"organization","name":"Cable One, Inc.","symbol":"CABO"},"owners":[{"id":12477,"kind":"person","name":"GRAHAM DONALD","position":1,"cik":"0001018401","reported_name":"GRAHAM DONALD","relationship":{"ten_percent_owner":true}}],"security":"Common Stock; par value $0.01","published_at":"2017-06-13T01:49:58.000Z","date":"2017-06-08","kind":"sale","acquired":false,"shares":81,"price":722.47,"value":58520.07,"ownership":{"direct":false,"nature":"Trust for Siblings"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F3","text":"The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $722.38 to $722.56, inclusive. The reporting person undertakes to provide to Cable One, Inc., any security holder of Cable One, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the shares sold at each separate price within the ranges set forth in this footnote, and in footnotes (4) to (8), inclusive to this Form 4."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F1","text":"The reporting person is a trustee of the trust that owns the reported securities, but he is not a beneficiary of such trust. The reporting person disclaims beneficial ownership of the reported securities."}],"balance_after":225112,"source":{"system":"sec-edgar","filing":"0000950157-17-000894","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1018401/000095015717000894/form4.xml","form_type":"4"}},{"id":4541372,"issuer":{"id":565,"kind":"organization","name":"Cable One, Inc.","symbol":"CABO"},"owners":[{"id":12477,"kind":"person","name":"GRAHAM DONALD","position":1,"cik":"0001018401","reported_name":"GRAHAM DONALD","relationship":{"ten_percent_owner":true}}],"security":"Common Stock; par value $0.01","published_at":"2016-11-28T22:02:29.000Z","date":"2016-11-23","kind":"gift","acquired":true,"shares":15176,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"Trusts for Children"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F4","text":"Following the termination of a grantor retained annuity trust, 15,176 of the shares of Common Stock; par value $0.01  in such trust were transferred to trusts for the benefit of the reporting person's children. The remaining 2,397 shares of Common Stock; par value $0.01  in such trust were distributed to the reporting person and continue to be reported in this Form 4 as directly owned by the reporting person."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F1","text":"The reporting person is a trustee of the trust that owns the reported securities, but he is not a beneficiary of such trust. The reporting person disclaims beneficial ownership of the reported securities."}],"balance_after":51748,"source":{"system":"sec-edgar","filing":"0000950157-16-002524","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/1018401/000095015716002524/form4.xml","form_type":"4"}},{"id":4541371,"issuer":{"id":565,"kind":"organization","name":"Cable One, Inc.","symbol":"CABO"},"owners":[{"id":12477,"kind":"person","name":"GRAHAM DONALD","position":1,"cik":"0001018401","reported_name":"GRAHAM DONALD","relationship":{"ten_percent_owner":true}}],"security":"Common Stock; par value $0.01","published_at":"2016-11-28T22:02:29.000Z","date":"2016-11-23","kind":"gift","acquired":false,"shares":17573,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"Grantor Retained Annuity Trust"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F4","text":"Following the termination of a grantor retained annuity trust, 15,176 of the shares of Common Stock; par value $0.01  in such trust were transferred to trusts for the benefit of the reporting person's children. The remaining 2,397 shares of Common Stock; par value $0.01  in such trust were distributed to the reporting person and continue to be reported in this Form 4 as directly owned by the reporting person."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"Reflects (i) annuity payment from a grantor annuity trust to the reporting person and (ii) the transfers described in footnote 4."}],"balance_after":59241,"source":{"system":"sec-edgar","filing":"0000950157-16-002524","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1018401/000095015716002524/form4.xml","form_type":"4"}},{"id":4541370,"issuer":{"id":565,"kind":"organization","name":"Cable One, Inc.","symbol":"CABO"},"owners":[{"id":12477,"kind":"person","name":"GRAHAM DONALD","position":1,"cik":"0001018401","reported_name":"GRAHAM DONALD","relationship":{"ten_percent_owner":true}}],"security":"Common Stock; par value $0.01","published_at":"2016-11-28T22:02:29.000Z","date":"2016-11-23","kind":"gift","acquired":true,"shares":2397,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F4","text":"Following the termination of a grantor retained annuity trust, 15,176 of the shares of Common Stock; par value $0.01  in such trust were transferred to trusts for the benefit of the reporting person's children. The remaining 2,397 shares of Common Stock; par value $0.01  in such trust were distributed to the reporting person and continue to be reported in this Form 4 as directly owned by the reporting person."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"Reflects (i) annuity payment from a grantor annuity trust to the reporting person and (ii) the transfers described in footnote 4."}],"balance_after":246985,"source":{"system":"sec-edgar","filing":"0000950157-16-002524","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1018401/000095015716002524/form4.xml","form_type":"4"}},{"id":4544214,"issuer":{"id":3951,"kind":"organization","name":"Graham Holdings Co"},"owners":[{"id":12477,"kind":"person","name":"GRAHAM DONALD","position":1,"cik":"0001018401","reported_name":"GRAHAM DONALD","relationship":{"director":true,"ten_percent_owner":true}}],"security":"Class A Common Stock","published_at":"2016-11-23T21:32:03.000Z","date":"2016-11-21","kind":"gift","acquired":true,"shares":15176,"ownership":{"direct":false,"nature":"Trusts for Children"},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F3","text":"Shares of Class A Common Stock are convertible into shares of Class B Common Stock at any time on a one-for-one basis and have no expiration date."},{"field":"kind","element":"transactionCoding","label":"F5","text":"Following the termination of a grantor retained annuity trust, 15,176 of the shares of Class A Common Stock in such trust were transferred to trusts for the benefit of the reporting person's children. The remaining 2,397 shares of Class A Common Stock in such trust were distributed to the reporting person and continue to be reported in this Form 4 as directly owned by the reporting person."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"Shares of Class A Common Stock are convertible into shares of Class B Common Stock at any time on a one-for-one basis and have no expiration date."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F3","text":"Shares of Class A Common Stock are convertible into shares of Class B Common Stock at any time on a one-for-one basis and have no expiration date."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F3","text":"Shares of Class A Common Stock are convertible into shares of Class B Common Stock at any time on a one-for-one basis and have no expiration date."},{"field":"derivative.underlying_shares","element":"underlyingSecurityShares","label":"F3","text":"Shares of Class A Common Stock are convertible into shares of Class B Common Stock at any time on a one-for-one basis and have no expiration date."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F4","text":"Reflects (i) an annuity payment from a grantor retained annuity trust to the reporting person and (ii) the transfers described in footnote 5."}],"balance_after":44148,"derivative":{"underlying":"Class B Common Stock"},"source":{"system":"sec-edgar","filing":"0000950157-16-002511","document":"form4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":9,"url":"https://www.sec.gov/Archives/edgar/data/104889/000095015716002511/form4.xml","form_type":"4"}},{"id":4544213,"issuer":{"id":3951,"kind":"organization","name":"Graham Holdings Co"},"owners":[{"id":12477,"kind":"person","name":"GRAHAM DONALD","position":1,"cik":"0001018401","reported_name":"GRAHAM DONALD","relationship":{"director":true,"ten_percent_owner":true}}],"security":"Class A Common Stock","published_at":"2016-11-23T21:32:03.000Z","date":"2016-11-21","kind":"gift","acquired":false,"shares":17573,"ownership":{"direct":false,"nature":"Grantor Retained Annuity Trust"},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F3","text":"Shares of Class A Common Stock are convertible into shares of Class B Common Stock at any time on a one-for-one basis and have no expiration date."},{"field":"kind","element":"transactionCoding","label":"F5","text":"Following the termination of a grantor retained annuity trust, 15,176 of the shares of Class A Common Stock in such trust were transferred to trusts for the benefit of the reporting person's children. The remaining 2,397 shares of Class A Common Stock in such trust were distributed to the reporting person and continue to be reported in this Form 4 as directly owned by the reporting person."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"Shares of Class A Common Stock are convertible into shares of Class B Common Stock at any time on a one-for-one basis and have no expiration date."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F3","text":"Shares of Class A Common Stock are convertible into shares of Class B Common Stock at any time on a one-for-one basis and have no expiration date."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F3","text":"Shares of Class A Common Stock are convertible into shares of Class B Common Stock at any time on a one-for-one basis and have no expiration date."},{"field":"derivative.underlying_shares","element":"underlyingSecurityShares","label":"F3","text":"Shares of Class A Common Stock are convertible into shares of Class B Common Stock at any time on a one-for-one basis and have no expiration date."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F4","text":"Reflects (i) an annuity payment from a grantor retained annuity trust to the reporting person and (ii) the transfers described in footnote 5."}],"balance_after":59241,"derivative":{"underlying":"Class B Common Stock"},"source":{"system":"sec-edgar","filing":"0000950157-16-002511","document":"form4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":8,"url":"https://www.sec.gov/Archives/edgar/data/104889/000095015716002511/form4.xml","form_type":"4"}},{"id":4544212,"issuer":{"id":3951,"kind":"organization","name":"Graham Holdings Co"},"owners":[{"id":12477,"kind":"person","name":"GRAHAM DONALD","position":1,"cik":"0001018401","reported_name":"GRAHAM DONALD","relationship":{"director":true,"ten_percent_owner":true}}],"security":"Class A Common Stock","published_at":"2016-11-23T21:32:03.000Z","date":"2016-11-21","kind":"gift","acquired":true,"shares":2397,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F3","text":"Shares of Class A Common Stock are convertible into shares of Class B Common Stock at any time on a one-for-one basis and have no expiration date."},{"field":"kind","element":"transactionCoding","label":"F5","text":"Following the termination of a grantor retained annuity trust, 15,176 of the shares of Class A Common Stock in such trust were transferred to trusts for the benefit of the reporting person's children. The remaining 2,397 shares of Class A Common Stock in such trust were distributed to the reporting person and continue to be reported in this Form 4 as directly owned by the reporting person."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"Shares of Class A Common Stock are convertible into shares of Class B Common Stock at any time on a one-for-one basis and have no expiration date."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F3","text":"Shares of Class A Common Stock are convertible into shares of Class B Common Stock at any time on a one-for-one basis and have no expiration date."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F3","text":"Shares of Class A Common Stock are convertible into shares of Class B Common Stock at any time on a one-for-one basis and have no expiration date."},{"field":"derivative.underlying_shares","element":"underlyingSecurityShares","label":"F3","text":"Shares of Class A Common Stock are convertible into shares of Class B Common Stock at any time on a one-for-one basis and have no expiration date."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F4","text":"Reflects (i) an annuity payment from a grantor retained annuity trust to the reporting person and (ii) the transfers described in footnote 5."}],"balance_after":246985,"derivative":{"underlying":"Class B Common Stock"},"source":{"system":"sec-edgar","filing":"0000950157-16-002511","document":"form4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":7,"url":"https://www.sec.gov/Archives/edgar/data/104889/000095015716002511/form4.xml","form_type":"4"}},{"id":163805,"issuer":{"id":2790,"kind":"organization","name":"Meta Platforms, Inc.","symbol":"META"},"owners":[{"id":12477,"kind":"person","name":"GRAHAM DONALD","position":1,"cik":"0001018401","reported_name":"GRAHAM DONALD","relationship":{"director":true}}],"security":"Restricted Stock Units (RSU) (Class A)","published_at":"2015-05-19T23:41:16.000Z","date":"2015-05-15","kind":"exercise","acquired":false,"shares":4993,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F2","text":"Each RSU represents a contingent right to receive 1 share of the Issuer's Class A Common Stock upon settlement."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F3","text":"The RSUs vested as to 100% of the total shares on May 15, 2015."}],"balance_after":0,"derivative":{"expiration_date":"2024-05-14","underlying":"Class A Common Stock","underlying_shares":4993},"source":{"system":"sec-edgar","filing":"0001127602-15-017887","document":"form4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1018401/000112760215017887/form4.xml","form_type":"4"}},{"id":163804,"issuer":{"id":2790,"kind":"organization","name":"Meta Platforms, Inc.","symbol":"META"},"owners":[{"id":12477,"kind":"person","name":"GRAHAM DONALD","position":1,"cik":"0001018401","reported_name":"GRAHAM DONALD","relationship":{"director":true}}],"security":"Class A Common Stock","published_at":"2015-05-19T23:41:16.000Z","date":"2015-05-15","kind":"exercise","acquired":true,"shares":4993,"price":0,"value":0.0,"ownership":{"direct":true},"balance_after":648776,"source":{"system":"sec-edgar","filing":"0001127602-15-017887","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1018401/000112760215017887/form4.xml","form_type":"4"}},{"id":172867,"issuer":{"id":2790,"kind":"organization","name":"Meta Platforms, Inc.","symbol":"META"},"owners":[{"id":12477,"kind":"person","name":"GRAHAM DONALD","position":1,"cik":"0001018401","reported_name":"GRAHAM DONALD","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Restricted Stock Unit (RSU)","published_at":"2014-06-17T22:43:54.000Z","date":"2014-06-16","kind":"grant","acquired":true,"shares":4993,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Each RSU represents a contingent right to receive 1 share of the Issuer's Class A Common Stock upon settlement."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"The RSUs vest as to 100% of the total shares on May 15, 2015; provided, however, in the event that (i) the Issuer's 2015 Annual Meeting of Stockholders is held prior to May 15, 2015 and (ii) the reporting person does not stand for re-election at, or is not re-elected at, the 2015 Annual Meeting of Stockholders (but the reporting person continues to serve on the Board until the date of such meeting), then 100% of the total shares shall vest on the date of the 2015 Annual Meeting of Stockholders."}],"balance_after":4993,"derivative":{"expiration_date":"2024-05-14","underlying":"Class A Common Stock","underlying_shares":4993},"source":{"system":"sec-edgar","filing":"0001209191-14-042135","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1018401/000120919114042135/doc4.xml","form_type":"4"}},{"id":173616,"issuer":{"id":2790,"kind":"organization","name":"Meta Platforms, Inc.","symbol":"META"},"owners":[{"id":12477,"kind":"person","name":"GRAHAM DONALD","position":1,"cik":"0001018401","reported_name":"GRAHAM DONALD","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Restricted Stock Unit (RSU)","published_at":"2014-05-20T00:32:45.000Z","date":"2014-05-15","kind":"exercise","acquired":false,"shares":7742,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Each RSU represents a contingent right to receive 1 share of the issuer's Class A Common Stock upon settlement."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F3","text":"The RSUs vested as to 100% of the total shares on May 15, 2014."}],"balance_after":0,"derivative":{"expiration_date":"2023-05-14","underlying":"Class A Common Stock","underlying_shares":7742},"source":{"system":"sec-edgar","filing":"0001209191-14-035363","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1018401/000120919114035363/doc4.xml","form_type":"4"}}],"next_cursor":"2014-05-20T00:32:45.000000Z,173616"}