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Subject to the Reporting Person's continuous service with the Issuer, shares will be released to the Reporting Person on the earlier of (i) one year from the date of grant and (ii) the date of the next annual general meeting of shareholders of the Issuer following the end of the fiscal year ending on July 3, 2026, provided such annual general meeting is at least fifty (50) weeks after the immediately preceding fiscal year's annual general meeting."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F1","text":"Consists of a grant of restricted share units (RSUs) awarded to the Reporting Person on October 25, 2025 under the Seagate Technology Holdings plc 2022 Equity Incentive Plan (the \"Plan\") for no consideration. Each RSU represents a contingent right to receive one Ordinary Share of the Issuer. Subject to the Reporting Person's continuous service with the Issuer, shares will be released to the Reporting Person on the earlier of (i) one year from the date of grant and (ii) the date of the next annual general meeting of shareholders of the Issuer following the end of the fiscal year ending on July 3, 2026, provided such annual general meeting is at least fifty (50) weeks after the immediately preceding fiscal year's annual general meeting."}],"balance_after":1580,"derivative":{"exercise_price":0,"underlying":"Ordinary Shares","underlying_shares":1580},"source":{"system":"sec-edgar","filing":"0001137789-25-000305","document":"wk-form4_1761683382.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1137789/000113778925000305/wk-form4_1761683382.xml","form_type":"4"}},{"id":1015417,"issuer":{"id":2029,"kind":"organization","name":"Seagate Technology Holdings plc","symbol":"STX"},"owners":[{"id":73892,"kind":"person","name":"Haggart Dylan G.","position":1,"cik":"0001684185","reported_name":"Haggart Dylan G.","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Restricted Share Unit","published_at":"2025-10-21T20:04:30.000Z","date":"2025-10-19","kind":"exercise","planned":false,"acquired":false,"shares":2693,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"Consists of a grant of restricted share units (RSUs) awarded to the Reporting Person under the Seagate Technology Holdings plc 2022 Equity Incentive Plan for no consideration. Each RSU represents a contingent right to receive one Ordinary Share of the Issuer. Subject to the Reporting Person's continuous service with the Issuer, shares will be released to the Reporting Person on the earlier of (i) one year from the date of grant and (ii) the date of the next annual general meeting of shareholders of the Issuer following the end of the fiscal year ending on June 27, 2025, provided such annual general meeting is at least fifty (50) weeks after the immediately preceding fiscal year's annual general meeting."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F1","text":"Consists of a grant of restricted share units (RSUs) awarded to the Reporting Person under the Seagate Technology Holdings plc 2022 Equity Incentive Plan for no consideration. Each RSU represents a contingent right to receive one Ordinary Share of the Issuer. Subject to the Reporting Person's continuous service with the Issuer, shares will be released to the Reporting Person on the earlier of (i) one year from the date of grant and (ii) the date of the next annual general meeting of shareholders of the Issuer following the end of the fiscal year ending on June 27, 2025, provided such annual general meeting is at least fifty (50) weeks after the immediately preceding fiscal year's annual general meeting."}],"balance_after":0,"derivative":{"exercise_price":0,"underlying":"Ordinary Shares","underlying_shares":2693},"source":{"system":"sec-edgar","filing":"0001137789-25-000271","document":"wk-form4_1761077067.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1137789/000113778925000271/wk-form4_1761077067.xml","form_type":"4"}},{"id":1015416,"issuer":{"id":2029,"kind":"organization","name":"Seagate Technology Holdings plc","symbol":"STX"},"owners":[{"id":73892,"kind":"person","name":"Haggart Dylan G.","position":1,"cik":"0001684185","reported_name":"Haggart Dylan G.","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Ordinary Shares","published_at":"2025-10-21T20:04:30.000Z","date":"2025-10-19","kind":"tax_withholding","planned":false,"acquired":false,"shares":647,"price":225.4,"value":145833.8,"ownership":{"direct":true},"balance_after":14515,"source":{"system":"sec-edgar","filing":"0001137789-25-000271","document":"wk-form4_1761077067.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1137789/000113778925000271/wk-form4_1761077067.xml","form_type":"4"}},{"id":1015415,"issuer":{"id":2029,"kind":"organization","name":"Seagate Technology Holdings plc","symbol":"STX"},"owners":[{"id":73892,"kind":"person","name":"Haggart Dylan G.","position":1,"cik":"0001684185","reported_name":"Haggart Dylan G.","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Ordinary Shares","published_at":"2025-10-21T20:04:30.000Z","date":"2025-10-19","kind":"exercise","planned":false,"acquired":true,"shares":2693,"price":0,"value":0.0,"ownership":{"direct":true},"balance_after":15162,"source":{"system":"sec-edgar","filing":"0001137789-25-000271","document":"wk-form4_1761077067.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1137789/000113778925000271/wk-form4_1761077067.xml","form_type":"4"}},{"id":1383142,"issuer":{"id":2029,"kind":"organization","name":"Seagate Technology Holdings plc","symbol":"STX"},"owners":[{"id":73892,"kind":"person","name":"Haggart Dylan G.","position":1,"cik":"0001684185","reported_name":"Haggart Dylan G.","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Restricted Share Unit","published_at":"2024-10-22T22:16:13.000Z","date":"2024-10-19","kind":"exercise","planned":false,"acquired":false,"shares":4271,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F3","text":"Consists of a grant of RSUs awarded to the Reporting Person on October 23, 2023 under the Plan for no consideration. Each RSU represents a contingent right to receive one Ordinary Share of the Issuer. Subject to the Reporting Person's continuous service with the Issuer, shares will be released to the Reporting Person on the earlier of (i) one year from the date of grant and (ii) the date of the next annual general meeting of shareholders of the Issuer following the end of the fiscal year ending on June 28, 2024, provided such annual general meeting is at least fifty (50) weeks after the immediately preceding fiscal year's annual general meeting."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F3","text":"Consists of a grant of RSUs awarded to the Reporting Person on October 23, 2023 under the Plan for no consideration. Each RSU represents a contingent right to receive one Ordinary Share of the Issuer. Subject to the Reporting Person's continuous service with the Issuer, shares will be released to the Reporting Person on the earlier of (i) one year from the date of grant and (ii) the date of the next annual general meeting of shareholders of the Issuer following the end of the fiscal year ending on June 28, 2024, provided such annual general meeting is at least fifty (50) weeks after the immediately preceding fiscal year's annual general meeting."}],"balance_after":0,"derivative":{"exercise_price":0,"underlying":"Oridnary Shares","underlying_shares":4271},"source":{"system":"sec-edgar","filing":"0001137789-24-000173","document":"wk-form4_1729635366.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1137789/000113778924000173/wk-form4_1729635366.xml","form_type":"4"}},{"id":1383141,"issuer":{"id":2029,"kind":"organization","name":"Seagate Technology Holdings plc","symbol":"STX"},"owners":[{"id":73892,"kind":"person","name":"Haggart Dylan G.","position":1,"cik":"0001684185","reported_name":"Haggart Dylan G.","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Restricted Share Unit","published_at":"2024-10-22T22:16:13.000Z","date":"2024-10-19","kind":"grant","planned":false,"acquired":true,"shares":2693,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"Consists of a grant of restricted share units (RSUs) awarded to the Reporting Person on October 19, 2024 under the Seagate Technology Holdings plc 2022 Equity Incentive Plan (the \"Plan\") for no consideration. Each RSU represents a contingent right to receive one Ordinary Share of the Issuer. Subject to the Reporting Person's continuous service with the Issuer, shares will be released to the Reporting Person on the earlier of (i) one year from the date of grant and (ii) the date of the next annual general meeting of shareholders of the Issuer following the end of the fiscal year ending on June 27, 2025, provided such annual general meeting is at least fifty (50) weeks after the immediately preceding fiscal year's annual general meeting."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F2","text":"Consists of a grant of restricted share units (RSUs) awarded to the Reporting Person on October 19, 2024 under the Seagate Technology Holdings plc 2022 Equity Incentive Plan (the \"Plan\") for no consideration. Each RSU represents a contingent right to receive one Ordinary Share of the Issuer. Subject to the Reporting Person's continuous service with the Issuer, shares will be released to the Reporting Person on the earlier of (i) one year from the date of grant and (ii) the date of the next annual general meeting of shareholders of the Issuer following the end of the fiscal year ending on June 27, 2025, provided such annual general meeting is at least fifty (50) weeks after the immediately preceding fiscal year's annual general meeting."}],"balance_after":2693,"derivative":{"exercise_price":0,"underlying":"Ordinary Shares","underlying_shares":2693},"source":{"system":"sec-edgar","filing":"0001137789-24-000173","document":"wk-form4_1729635366.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1137789/000113778924000173/wk-form4_1729635366.xml","form_type":"4"}},{"id":1383140,"issuer":{"id":2029,"kind":"organization","name":"Seagate Technology Holdings plc","symbol":"STX"},"owners":[{"id":73892,"kind":"person","name":"Haggart Dylan G.","position":1,"cik":"0001684185","reported_name":"Haggart Dylan G.","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Ordinary Shares","published_at":"2024-10-22T22:16:13.000Z","date":"2024-10-19","kind":"exercise","planned":false,"acquired":true,"shares":4271,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F1","text":"The amount of securities beneficially owned by the reporting person has been updated solely to correct the total number of shares owned by removing 2,105 shares that were included in error on previous Form 4 filings."}],"balance_after":12469,"source":{"system":"sec-edgar","filing":"0001137789-24-000173","document":"wk-form4_1729635366.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1137789/000113778924000173/wk-form4_1729635366.xml","form_type":"4"}},{"id":1755790,"issuer":{"id":2029,"kind":"organization","name":"Seagate Technology Holdings plc","symbol":"STX"},"owners":[{"id":73892,"kind":"person","name":"Haggart Dylan G.","position":1,"cik":"0001684185","reported_name":"Haggart Dylan G.","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Restricted Share Unit","published_at":"2023-10-24T22:40:57.000Z","date":"2023-10-23","kind":"grant","planned":false,"acquired":true,"shares":4271,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F4","text":"Consists of a grant of restricted share units (RSUs) awarded to the Reporting Person under the Seagate Technology Holdings plc 2022 Equity Incentive Plan for no consideration. Each RSU represents a contingent right to receive one Ordinary Share of the Issuer. Subject to the Reporting Person's continuous service with the Issuer, shares will be released to the Reporting Person on the earlier of (i) one year from the date of grant and (ii) the date of the next annual general meeting of shareholders of the Issuer following the end of the fiscal year ending on June 28, 2024, provided such annual general meeting is at least fifty (50) weeks after the immediately preceding fiscal year's annual general meeting."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F4","text":"Consists of a grant of restricted share units (RSUs) awarded to the Reporting Person under the Seagate Technology Holdings plc 2022 Equity Incentive Plan for no consideration. Each RSU represents a contingent right to receive one Ordinary Share of the Issuer. Subject to the Reporting Person's continuous service with the Issuer, shares will be released to the Reporting Person on the earlier of (i) one year from the date of grant and (ii) the date of the next annual general meeting of shareholders of the Issuer following the end of the fiscal year ending on June 28, 2024, provided such annual general meeting is at least fifty (50) weeks after the immediately preceding fiscal year's annual general meeting."}],"balance_after":4271,"derivative":{"exercise_price":0,"underlying":"Oridnary Shares","underlying_shares":4271},"source":{"system":"sec-edgar","filing":"0001137789-23-000112","document":"wk-form4_1698187246.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1137789/000113778923000112/wk-form4_1698187246.xml","form_type":"4"}},{"id":1755789,"issuer":{"id":2029,"kind":"organization","name":"Seagate Technology Holdings plc","symbol":"STX"},"owners":[{"id":73892,"kind":"person","name":"Haggart Dylan G.","position":1,"cik":"0001684185","reported_name":"Haggart Dylan G.","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Restricted Share Unit","published_at":"2023-10-24T22:40:57.000Z","date":"2023-10-23","kind":"exercise","planned":false,"acquired":false,"shares":3803,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F3","text":"Each RSU represents a contingent right to receive one Ordinary Share of the Issuer. 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The restricted stock units vest 100% on the earlier of: (i) the first anniversary of the grant date; or (ii) immediately prior to the first annual meeting of shareholders after the grant date."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F2","text":"The ValueAct entities referred to in this footnote 2 are collectively referred to herein as \"ValueAct Capital.\" Under an agreement with ValueAct Capital, Dylan G. Haggart is deemed to hold the shares for the benefit of the limited partners of ValueAct Capital Master Fund, L.P. and indirectly for (i) VA Partners I, LLC as General Partner of ValueAct Capital Master Fund, L.P., (ii) ValueAct Capital Management, L.P. as the manager of ValueAct Capital Master Fund, L.P., (iii) ValueAct Capital Management, LLC as General Partner of ValueAct Capital Management, L.P., (iv) ValueAct Holdings, L.P. as the majority owner of the membership interests of VA Partners I, LLC, (v) ValueAct Holdings II, L.P. as the sole owner of the membership interests of ValueAct Capital Management, LLC and as the majority owner of the limited partnership interests of ValueAct Capital Management, L.P., and (vi) ValueAct Holdings GP, LLC as General Partner of ValueAct Holdings, L.P. and ValueAct Holdings II, L.P."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F3","text":"Each reporting person listed herein disclaims beneficial ownership of the reported securities except to the extent of its pecuniary interest therein, and this report shall not be deemed an admission that such person is the beneficial owner of the securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose."}],"balance_after":4463,"source":{"system":"sec-edgar","filing":"0001418812-23-000029","document":"primary_doc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/798354/000141881223000029/primary_doc.xml","form_type":"4"}},{"id":2133116,"issuer":{"id":2029,"kind":"organization","name":"Seagate Technology Holdings plc","symbol":"STX"},"owners":[{"id":73892,"kind":"person","name":"Haggart Dylan G.","position":1,"cik":"0001684185","reported_name":"Haggart Dylan G.","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"See Remarks"}},{"id":12224,"kind":"person","name":"ValueAct Holdings, L.P.","position":2,"cik":"0001418814","reported_name":"ValueAct Holdings, L.P.","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"See Remarks"}},{"id":12225,"kind":"person","name":"ValueAct Capital Master Fund, L.P.","position":3,"cik":"0001464912","reported_name":"ValueAct Capital Master Fund, L.P.","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"See Remarks"}},{"id":12227,"kind":"person","name":"VA Partners I, LLC","position":4,"cik":"0001418812","reported_name":"VA Partners I, LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"See Remarks"}},{"id":12228,"kind":"person","name":"ValueAct Capital Management, L.P.","position":5,"cik":"0001351069","reported_name":"ValueAct Capital Management, L.P.","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"See Remarks"}},{"id":12229,"kind":"person","name":"ValueAct Capital Management, LLC","position":6,"cik":"0001351073","reported_name":"ValueAct Capital Management, LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"See Remarks"}},{"id":15045,"kind":"person","name":"ValueAct Holdings II, L.P.","position":7,"cik":"0001763309","reported_name":"ValueAct Holdings II, L.P.","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"See Remarks"}},{"id":12230,"kind":"person","name":"ValueAct Holdings GP, LLC","position":8,"cik":"0001418813","reported_name":"ValueAct Holdings GP, LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"See Remarks"}}],"security":"Restricted Share Unit","published_at":"2022-10-25T00:02:29.000Z","date":"2022-10-24","kind":"grant","acquired":true,"shares":3803,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F6","text":"Consists of a grant of restricted share units (RSUs) awarded to the Reporting Person under the Seagate Technology Holdings plc 2022 Equity Incentive Plan for no consideration. Each RSU represents a contingent right to receive one Ordinary Share of the Issuer. Subject to the Reporting Person's continuous service with the Issuer, shares will be released to the Reporting Person on the earlier of (i) one year from the date of grant and (ii) the date of the next annual general meeting of shareholders of the Issuer following the end of the fiscal year ending on June 30, 2023, provided such annual general meeting is at least fifty (50) weeks after the immediately preceding fiscal year's annual general meeting."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F6","text":"Consists of a grant of restricted share units (RSUs) awarded to the Reporting Person under the Seagate Technology Holdings plc 2022 Equity Incentive Plan for no consideration. Each RSU represents a contingent right to receive one Ordinary Share of the Issuer. Subject to the Reporting Person's continuous service with the Issuer, shares will be released to the Reporting Person on the earlier of (i) one year from the date of grant and (ii) the date of the next annual general meeting of shareholders of the Issuer following the end of the fiscal year ending on June 30, 2023, provided such annual general meeting is at least fifty (50) weeks after the immediately preceding fiscal year's annual general meeting."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F1","text":"The ValueAct entities referred to in this footnote 1 are collectively referred to herein as \"ValueAct Capital.\" Under an agreement with ValueAct Capital, Dylan G. Haggart is deemed to hold the shares for the benefit of the limited partners of ValueAct Capital Master Fund, L.P. and indirectly for (i) VA Partners I, LLC as General Partner of ValueAct Capital Master Fund, L.P., (ii) ValueAct Capital Management, L.P. as the manager of ValueAct Capital Master Fund, L.P., (iii) ValueAct Capital Management, LLC as General Partner of ValueAct Capital Management, L.P., (iv) ValueAct Holdings, L.P. as the majority owner of the membership interests of VA Partners I, LLC, (v) ValueAct Holdings II, L.P. as the sole owner of the membership interests of ValueAct Capital Management, LLC and as the majority owner of the limited partnership interests of ValueAct Capital Management, L.P., and (vi) ValueAct Holdings GP, LLC as General Partner of ValueAct Holdings, L.P. and ValueAct Holdings II, L.P."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F2","text":"Each reporting person listed herein disclaims beneficial ownership of the reported securities except to the extent of its pecuniary interest therein, and this report shall not be deemed an admission that such person is the beneficial owner of the securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose."}],"balance_after":3803,"derivative":{"exercise_price":0,"underlying":"Ordinary Shares","underlying_shares":3803},"source":{"system":"sec-edgar","filing":"0001418812-22-000061","document":"primary_doc.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/1137789/000141881222000061/primary_doc.xml","form_type":"4"}},{"id":2133115,"issuer":{"id":2029,"kind":"organization","name":"Seagate Technology Holdings plc","symbol":"STX"},"owners":[{"id":73892,"kind":"person","name":"Haggart Dylan G.","position":1,"cik":"0001684185","reported_name":"Haggart Dylan G.","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"See Remarks"}},{"id":12224,"kind":"person","name":"ValueAct Holdings, L.P.","position":2,"cik":"0001418814","reported_name":"ValueAct Holdings, L.P.","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"See Remarks"}},{"id":12225,"kind":"person","name":"ValueAct Capital Master Fund, L.P.","position":3,"cik":"0001464912","reported_name":"ValueAct Capital Master Fund, L.P.","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"See Remarks"}},{"id":12227,"kind":"person","name":"VA Partners I, LLC","position":4,"cik":"0001418812","reported_name":"VA Partners I, LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"See Remarks"}},{"id":12228,"kind":"person","name":"ValueAct Capital Management, L.P.","position":5,"cik":"0001351069","reported_name":"ValueAct Capital Management, L.P.","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"See Remarks"}},{"id":12229,"kind":"person","name":"ValueAct Capital Management, LLC","position":6,"cik":"0001351073","reported_name":"ValueAct Capital Management, LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"See Remarks"}},{"id":15045,"kind":"person","name":"ValueAct Holdings II, L.P.","position":7,"cik":"0001763309","reported_name":"ValueAct Holdings II, L.P.","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"See Remarks"}},{"id":12230,"kind":"person","name":"ValueAct Holdings GP, LLC","position":8,"cik":"0001418813","reported_name":"ValueAct Holdings GP, LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"See Remarks"}}],"security":"Restricted Share Unit","published_at":"2022-10-25T00:02:29.000Z","date":"2022-10-20","kind":"exercise","acquired":false,"shares":3162,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F5","text":"Each RSU represents a contingent right to receive one Ordinary Share of the Issuer. The award vested one year from the date of grant following the end of the fiscal year ending July 1, 2022."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F5","text":"Each RSU represents a contingent right to receive one Ordinary Share of the Issuer. The award vested one year from the date of grant following the end of the fiscal year ending July 1, 2022."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F1","text":"The ValueAct entities referred to in this footnote 1 are collectively referred to herein as \"ValueAct Capital.\" Under an agreement with ValueAct Capital, Dylan G. Haggart is deemed to hold the shares for the benefit of the limited partners of ValueAct Capital Master Fund, L.P. and indirectly for (i) VA Partners I, LLC as General Partner of ValueAct Capital Master Fund, L.P., (ii) ValueAct Capital Management, L.P. as the manager of ValueAct Capital Master Fund, L.P., (iii) ValueAct Capital Management, LLC as General Partner of ValueAct Capital Management, L.P., (iv) ValueAct Holdings, L.P. as the majority owner of the membership interests of VA Partners I, LLC, (v) ValueAct Holdings II, L.P. as the sole owner of the membership interests of ValueAct Capital Management, LLC and as the majority owner of the limited partnership interests of ValueAct Capital Management, L.P., and (vi) ValueAct Holdings GP, LLC as General Partner of ValueAct Holdings, L.P. and ValueAct Holdings II, L.P."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F2","text":"Each reporting person listed herein disclaims beneficial ownership of the reported securities except to the extent of its pecuniary interest therein, and this report shall not be deemed an admission that such person is the beneficial owner of the securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose."}],"balance_after":0,"derivative":{"exercise_price":0,"underlying":"Ordinary Shares","underlying_shares":3162},"source":{"system":"sec-edgar","filing":"0001418812-22-000061","document":"primary_doc.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1137789/000141881222000061/primary_doc.xml","form_type":"4"}},{"id":2133114,"issuer":{"id":2029,"kind":"organization","name":"Seagate Technology Holdings plc","symbol":"STX"},"owners":[{"id":73892,"kind":"person","name":"Haggart Dylan G.","position":1,"cik":"0001684185","reported_name":"Haggart Dylan G.","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"See Remarks"}},{"id":12224,"kind":"person","name":"ValueAct Holdings, L.P.","position":2,"cik":"0001418814","reported_name":"ValueAct Holdings, L.P.","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"See Remarks"}},{"id":12225,"kind":"person","name":"ValueAct Capital Master Fund, L.P.","position":3,"cik":"0001464912","reported_name":"ValueAct Capital Master Fund, L.P.","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"See Remarks"}},{"id":12227,"kind":"person","name":"VA Partners I, LLC","position":4,"cik":"0001418812","reported_name":"VA Partners I, LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"See Remarks"}},{"id":12228,"kind":"person","name":"ValueAct Capital Management, L.P.","position":5,"cik":"0001351069","reported_name":"ValueAct Capital Management, L.P.","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"See Remarks"}},{"id":12229,"kind":"person","name":"ValueAct Capital Management, LLC","position":6,"cik":"0001351073","reported_name":"ValueAct Capital Management, LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"See Remarks"}},{"id":15045,"kind":"person","name":"ValueAct Holdings II, L.P.","position":7,"cik":"0001763309","reported_name":"ValueAct Holdings II, L.P.","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"See Remarks"}},{"id":12230,"kind":"person","name":"ValueAct Holdings GP, LLC","position":8,"cik":"0001418813","reported_name":"ValueAct Holdings GP, LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"See Remarks"}}],"security":"Ordinary Shares","published_at":"2022-10-25T00:02:29.000Z","date":"2022-10-20","kind":"tax_withholding","acquired":false,"shares":1139,"price":53.03,"value":60401.17,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F3","text":"These Ordinary Shares are withheld securities to cover tax liabilities incident to the vesting of Restricted Share Units (\"RSUs\")."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F1","text":"The ValueAct entities referred to in this footnote 1 are collectively referred to herein as \"ValueAct Capital.\" Under an agreement with ValueAct Capital, Dylan G. Haggart is deemed to hold the shares for the benefit of the limited partners of ValueAct Capital Master Fund, L.P. and indirectly for (i) VA Partners I, LLC as General Partner of ValueAct Capital Master Fund, L.P., (ii) ValueAct Capital Management, L.P. as the manager of ValueAct Capital Master Fund, L.P., (iii) ValueAct Capital Management, LLC as General Partner of ValueAct Capital Management, L.P., (iv) ValueAct Holdings, L.P. as the majority owner of the membership interests of VA Partners I, LLC, (v) ValueAct Holdings II, L.P. as the sole owner of the membership interests of ValueAct Capital Management, LLC and as the majority owner of the limited partnership interests of ValueAct Capital Management, L.P., and (vi) ValueAct Holdings GP, LLC as General Partner of ValueAct Holdings, L.P. and ValueAct Holdings II, L.P."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F2","text":"Each reporting person listed herein disclaims beneficial ownership of the reported securities except to the extent of its pecuniary interest therein, and this report shall not be deemed an admission that such person is the beneficial owner of the securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose."}],"balance_after":7870,"source":{"system":"sec-edgar","filing":"0001418812-22-000061","document":"primary_doc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1137789/000141881222000061/primary_doc.xml","form_type":"4"}},{"id":2133113,"issuer":{"id":2029,"kind":"organization","name":"Seagate Technology Holdings plc","symbol":"STX"},"owners":[{"id":73892,"kind":"person","name":"Haggart Dylan G.","position":1,"cik":"0001684185","reported_name":"Haggart Dylan G.","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"See Remarks"}},{"id":12224,"kind":"person","name":"ValueAct Holdings, L.P.","position":2,"cik":"0001418814","reported_name":"ValueAct Holdings, L.P.","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"See Remarks"}},{"id":12225,"kind":"person","name":"ValueAct Capital Master Fund, L.P.","position":3,"cik":"0001464912","reported_name":"ValueAct Capital Master Fund, L.P.","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"See Remarks"}},{"id":12227,"kind":"person","name":"VA Partners I, LLC","position":4,"cik":"0001418812","reported_name":"VA Partners I, LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"See Remarks"}},{"id":12228,"kind":"person","name":"ValueAct Capital Management, L.P.","position":5,"cik":"0001351069","reported_name":"ValueAct Capital Management, L.P.","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"See Remarks"}},{"id":12229,"kind":"person","name":"ValueAct Capital Management, LLC","position":6,"cik":"0001351073","reported_name":"ValueAct Capital Management, LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"See Remarks"}},{"id":15045,"kind":"person","name":"ValueAct Holdings II, L.P.","position":7,"cik":"0001763309","reported_name":"ValueAct Holdings II, L.P.","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"See Remarks"}},{"id":12230,"kind":"person","name":"ValueAct Holdings GP, LLC","position":8,"cik":"0001418813","reported_name":"ValueAct Holdings GP, LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"See Remarks"}}],"security":"Ordinary Shares","published_at":"2022-10-25T00:02:29.000Z","date":"2022-10-20","kind":"exercise","acquired":true,"shares":3162,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F1","text":"The ValueAct entities referred to in this footnote 1 are collectively referred to herein as \"ValueAct Capital.\" Under an agreement with ValueAct Capital, Dylan G. Haggart is deemed to hold the shares for the benefit of the limited partners of ValueAct Capital Master Fund, L.P. and indirectly for (i) VA Partners I, LLC as General Partner of ValueAct Capital Master Fund, L.P., (ii) ValueAct Capital Management, L.P. as the manager of ValueAct Capital Master Fund, L.P., (iii) ValueAct Capital Management, LLC as General Partner of ValueAct Capital Management, L.P., (iv) ValueAct Holdings, L.P. as the majority owner of the membership interests of VA Partners I, LLC, (v) ValueAct Holdings II, L.P. as the sole owner of the membership interests of ValueAct Capital Management, LLC and as the majority owner of the limited partnership interests of ValueAct Capital Management, L.P., and (vi) ValueAct Holdings GP, LLC as General Partner of ValueAct Holdings, L.P. and ValueAct Holdings II, L.P."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F2","text":"Each reporting person listed herein disclaims beneficial ownership of the reported securities except to the extent of its pecuniary interest therein, and this report shall not be deemed an admission that such person is the beneficial owner of the securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose."}],"balance_after":9009,"source":{"system":"sec-edgar","filing":"0001418812-22-000061","document":"primary_doc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1137789/000141881222000061/primary_doc.xml","form_type":"4"}},{"id":2262694,"issuer":{"id":3167,"kind":"organization","name":"FISERV INC"},"owners":[{"id":73892,"kind":"person","name":"Haggart Dylan G.","position":1,"cik":"0001684185","reported_name":"Haggart Dylan G.","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"See Remarks"}},{"id":12224,"kind":"person","name":"ValueAct Holdings, L.P.","position":2,"cik":"0001418814","reported_name":"ValueAct Holdings, L.P.","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"See Remarks"}},{"id":12225,"kind":"person","name":"ValueAct Capital Master Fund, L.P.","position":3,"cik":"0001464912","reported_name":"ValueAct Capital Master Fund, L.P.","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"See Remarks"}},{"id":12227,"kind":"person","name":"VA Partners I, LLC","position":4,"cik":"0001418812","reported_name":"VA Partners I, LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"See Remarks"}},{"id":12228,"kind":"person","name":"ValueAct Capital Management, L.P.","position":5,"cik":"0001351069","reported_name":"ValueAct Capital Management, L.P.","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"See Remarks"}},{"id":12229,"kind":"person","name":"ValueAct Capital Management, LLC","position":6,"cik":"0001351073","reported_name":"ValueAct Capital Management, LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"See Remarks"}},{"id":15045,"kind":"person","name":"ValueAct Holdings II, L.P.","position":7,"cik":"0001763309","reported_name":"ValueAct Holdings II, L.P.","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"See Remarks"}},{"id":12230,"kind":"person","name":"ValueAct Holdings GP, LLC","position":8,"cik":"0001418813","reported_name":"ValueAct Holdings GP, LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"See Remarks"}}],"security":"Common Stock","published_at":"2022-05-20T21:32:46.000Z","date":"2022-05-18","kind":"grant","acquired":true,"shares":2231,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"These restricted stock units each represent a contingent right to receive one share of Fiserv, Inc. common stock. The restricted stock units vest 100% on the earlier of: (i) the first anniversary of the grant date; or (ii) immediately prior to the first annual meeting of shareholders after the grant date."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F2","text":"The ValueAct entities referred to in this footnote 2 are collectively referred to herein as \"ValueAct Capital.\" Under an agreement with ValueAct Capital, Dylan G. Haggart is deemed to hold the shares for the benefit of the limited partners of ValueAct Capital Master Fund, L.P. and indirectly for (i) VA Partners I, LLC as General Partner of ValueAct Capital Master Fund, L.P., (ii) ValueAct Capital Management, L.P. as the manager of ValueAct Capital Master Fund, L.P., (iii) ValueAct Capital Management, LLC as General Partner of ValueAct Capital Management, L.P., (iv) ValueAct Holdings, L.P. as the majority owner of the membership interests of VA Partners I, LLC, (v) ValueAct Holdings II, L.P. as the sole owner of the membership interests of ValueAct Capital Management, LLC and as the majority owner of the limited partnership interests of ValueAct Capital Management, L.P., and (vi) ValueAct Holdings GP, LLC as General Partner of ValueAct Holdings, L.P. and ValueAct Holdings II, L.P."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F3","text":"Each reporting person listed herein disclaims beneficial ownership of the reported securities except to the extent of its pecuniary interest therein, and this report shall not be deemed an admission that such person is the beneficial owner of the securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose."}],"balance_after":2708,"source":{"system":"sec-edgar","filing":"0001418812-22-000043","document":"primary_doc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/798354/000141881222000043/primary_doc.xml","form_type":"4"}},{"id":2373364,"issuer":{"id":3167,"kind":"organization","name":"FISERV INC"},"owners":[{"id":73892,"kind":"person","name":"Haggart Dylan G.","position":1,"cik":"0001684185","reported_name":"Haggart Dylan G.","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"See Remarks"}},{"id":12224,"kind":"person","name":"ValueAct Holdings, L.P.","position":2,"cik":"0001418814","reported_name":"ValueAct Holdings, L.P.","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"See Remarks"}},{"id":12225,"kind":"person","name":"ValueAct Capital Master Fund, L.P.","position":3,"cik":"0001464912","reported_name":"ValueAct Capital Master Fund, L.P.","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"See Remarks"}},{"id":12227,"kind":"person","name":"VA Partners I, LLC","position":4,"cik":"0001418812","reported_name":"VA Partners I, LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"See Remarks"}},{"id":12228,"kind":"person","name":"ValueAct Capital Management, L.P.","position":5,"cik":"0001351069","reported_name":"ValueAct Capital Management, L.P.","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"See Remarks"}},{"id":12229,"kind":"person","name":"ValueAct Capital Management, LLC","position":6,"cik":"0001351073","reported_name":"ValueAct Capital Management, LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"See Remarks"}},{"id":15045,"kind":"person","name":"ValueAct Holdings II, L.P.","position":7,"cik":"0001763309","reported_name":"ValueAct Holdings II, L.P.","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"See Remarks"}},{"id":12230,"kind":"person","name":"ValueAct Holdings GP, LLC","position":8,"cik":"0001418813","reported_name":"ValueAct Holdings GP, LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"See Remarks"}}],"security":"Common Stock","published_at":"2022-02-25T21:35:53.000Z","date":"2022-02-23","kind":"grant","acquired":true,"shares":477,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"These restricted stock units each represent a contingent right to receive one share of Fiserv, Inc. common stock. The restricted stock units vest 100% on the earlier of: (i) the first anniversary of the grant date; or (ii) immediately prior to the first annual meeting of shareholders after the grant date."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F2","text":"The ValueAct entities referred to in this footnote 2 are collectively referred to herein as \"ValueAct Capital.\" Under an agreement with ValueAct Capital, Dylan G. Haggart is deemed to hold the shares for the benefit of the limited partners of ValueAct Capital Master Fund, L.P. and indirectly for (i) VA Partners I, LLC as General Partner of ValueAct Capital Master Fund, L.P., (ii) ValueAct Capital Management, L.P. as the manager of ValueAct Capital Master Fund, L.P., (iii) ValueAct Capital Management, LLC as General Partner of ValueAct Capital Management, L.P., (iv) ValueAct Holdings, L.P. as the majority owner of the membership interests of VA Partners I, LLC, (v) ValueAct Holdings II, L.P. as the sole owner of the membership interests of ValueAct Capital Management, LLC and as the majority owner of the limited partnership interests of ValueAct Capital Management, L.P., and (vi) ValueAct Holdings GP, LLC as General Partner of ValueAct Holdings, L.P. and ValueAct Holdings II, L.P."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F3","text":"Each reporting person listed herein disclaims beneficial ownership of the reported securities except to the extent of its pecuniary interest therein, and this report shall not be deemed an admission that such person is the beneficial owner of the securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose."}],"balance_after":477,"source":{"system":"sec-edgar","filing":"0001418812-22-000021","document":"primary_doc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/798354/000141881222000021/primary_doc.xml","form_type":"4"}},{"id":2536662,"issuer":{"id":2029,"kind":"organization","name":"Seagate Technology Holdings plc","symbol":"STX"},"owners":[{"id":73892,"kind":"person","name":"Haggart Dylan G.","position":1,"cik":"0001684185","reported_name":"Haggart Dylan G.","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"See Remarks"}},{"id":12224,"kind":"person","name":"ValueAct Holdings, L.P.","position":2,"cik":"0001418814","reported_name":"ValueAct Holdings, L.P.","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"See Remarks"}},{"id":12225,"kind":"person","name":"ValueAct Capital Master Fund, L.P.","position":3,"cik":"0001464912","reported_name":"ValueAct Capital Master Fund, L.P.","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"See Remarks"}},{"id":12227,"kind":"person","name":"VA Partners I, LLC","position":4,"cik":"0001418812","reported_name":"VA Partners I, LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"See Remarks"}},{"id":12228,"kind":"person","name":"ValueAct Capital Management, L.P.","position":5,"cik":"0001351069","reported_name":"ValueAct Capital Management, L.P.","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"See Remarks"}},{"id":12229,"kind":"person","name":"ValueAct Capital Management, LLC","position":6,"cik":"0001351073","reported_name":"ValueAct Capital Management, LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"See Remarks"}},{"id":15045,"kind":"person","name":"ValueAct Holdings II, L.P.","position":7,"cik":"0001763309","reported_name":"ValueAct Holdings II, L.P.","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"See Remarks"}},{"id":12230,"kind":"person","name":"ValueAct Holdings GP, LLC","position":8,"cik":"0001418813","reported_name":"ValueAct Holdings GP, LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"See Remarks"}}],"security":"Restricted Share Unit","published_at":"2021-10-23T00:16:40.000Z","date":"2021-10-20","kind":"grant","acquired":true,"shares":3162,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F6","text":"Consists of a grant of RSUs awarded to the Reporting Person under the Seagate Technology Holdings plc 2022 Equity Incentive Plan for no consideration. Each RSU represents a contingent right to receive one Ordinary Share of the Issuer. Subject to the Reporting Person's continuous service with the Issuer, shares will be released to the Reporting Person on the earlier of (i) one year from the date of grant and (ii) the date of the next annual general meeting of the shareholders of the Issuer following the end of the fiscal year ending on July 1, 2022 provided such annual general meeting is at least fifty (50) weeks after the immediately preceding fiscal year's annual general meeting."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F6","text":"Consists of a grant of RSUs awarded to the Reporting Person under the Seagate Technology Holdings plc 2022 Equity Incentive Plan for no consideration. Each RSU represents a contingent right to receive one Ordinary Share of the Issuer. Subject to the Reporting Person's continuous service with the Issuer, shares will be released to the Reporting Person on the earlier of (i) one year from the date of grant and (ii) the date of the next annual general meeting of the shareholders of the Issuer following the end of the fiscal year ending on July 1, 2022 provided such annual general meeting is at least fifty (50) weeks after the immediately preceding fiscal year's annual general meeting."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F1","text":"The ValueAct entities referred to in this footnote 1 are collectively referred to herein as \"ValueAct Capital.\" Under an agreement with ValueAct Capital, Dylan G. Haggart is deemed to hold the shares for the benefit of the limited partners of ValueAct Capital Master Fund, L.P. and indirectly for (i) VA Partners I, LLC as General Partner of ValueAct Capital Master Fund, L.P., (ii) ValueAct Capital Management, L.P. as the manager of ValueAct Capital Master Fund, L.P., (iii) ValueAct Capital Management, LLC as General Partner of ValueAct Capital Management, L.P., (iv) ValueAct Holdings, L.P. as the majority owner of the membership interests of VA Partners I, LLC, (v) ValueAct Holdings II, L.P. as the sole owner of the membership interests of ValueAct Capital Management, LLC and as the majority owner of the limited partnership interests of ValueAct Capital Management, L.P., and (vi) ValueAct Holdings GP, LLC as General Partner of ValueAct Holdings, L.P. and ValueAct Holdings II, L.P."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F2","text":"Each reporting person listed herein disclaims beneficial ownership of the reported securities except to the extent of its pecuniary interest therein, and this report shall not be deemed an admission that such person is the beneficial owner of the securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose."}],"balance_after":3162,"derivative":{"exercise_price":0,"underlying":"Ordinary Shares","underlying_shares":3162},"source":{"system":"sec-edgar","filing":"0001418812-21-000058","document":"primary_doc.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/1137789/000141881221000058/primary_doc.xml","form_type":"4"}},{"id":2536661,"issuer":{"id":2029,"kind":"organization","name":"Seagate Technology Holdings plc","symbol":"STX"},"owners":[{"id":73892,"kind":"person","name":"Haggart Dylan G.","position":1,"cik":"0001684185","reported_name":"Haggart Dylan G.","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"See Remarks"}},{"id":12224,"kind":"person","name":"ValueAct Holdings, L.P.","position":2,"cik":"0001418814","reported_name":"ValueAct Holdings, L.P.","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"See Remarks"}},{"id":12225,"kind":"person","name":"ValueAct Capital Master Fund, L.P.","position":3,"cik":"0001464912","reported_name":"ValueAct Capital Master Fund, L.P.","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"See Remarks"}},{"id":12227,"kind":"person","name":"VA Partners I, LLC","position":4,"cik":"0001418812","reported_name":"VA Partners I, LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"See Remarks"}},{"id":12228,"kind":"person","name":"ValueAct Capital Management, L.P.","position":5,"cik":"0001351069","reported_name":"ValueAct Capital Management, L.P.","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"See Remarks"}},{"id":12229,"kind":"person","name":"ValueAct Capital Management, LLC","position":6,"cik":"0001351073","reported_name":"ValueAct Capital Management, LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"See Remarks"}},{"id":15045,"kind":"person","name":"ValueAct Holdings II, L.P.","position":7,"cik":"0001763309","reported_name":"ValueAct Holdings II, L.P.","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"See Remarks"}},{"id":12230,"kind":"person","name":"ValueAct Holdings GP, LLC","position":8,"cik":"0001418813","reported_name":"ValueAct Holdings GP, LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"See Remarks"}}],"security":"Restricted Share Unit","published_at":"2021-10-23T00:16:40.000Z","date":"2021-10-20","kind":"exercise","acquired":false,"shares":5847,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F5","text":"Each RSU represents a contingent right to receive one Ordinary Share of the Issuer. The award vested on the date of the annual general meeting of the shareholders of the Issuer following the end of the fiscal year ending July 2, 2021."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F5","text":"Each RSU represents a contingent right to receive one Ordinary Share of the Issuer. The award vested on the date of the annual general meeting of the shareholders of the Issuer following the end of the fiscal year ending July 2, 2021."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F1","text":"The ValueAct entities referred to in this footnote 1 are collectively referred to herein as \"ValueAct Capital.\" Under an agreement with ValueAct Capital, Dylan G. Haggart is deemed to hold the shares for the benefit of the limited partners of ValueAct Capital Master Fund, L.P. and indirectly for (i) VA Partners I, LLC as General Partner of ValueAct Capital Master Fund, L.P., (ii) ValueAct Capital Management, L.P. as the manager of ValueAct Capital Master Fund, L.P., (iii) ValueAct Capital Management, LLC as General Partner of ValueAct Capital Management, L.P., (iv) ValueAct Holdings, L.P. as the majority owner of the membership interests of VA Partners I, LLC, (v) ValueAct Holdings II, L.P. as the sole owner of the membership interests of ValueAct Capital Management, LLC and as the majority owner of the limited partnership interests of ValueAct Capital Management, L.P., and (vi) ValueAct Holdings GP, LLC as General Partner of ValueAct Holdings, L.P. and ValueAct Holdings II, L.P."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F2","text":"Each reporting person listed herein disclaims beneficial ownership of the reported securities except to the extent of its pecuniary interest therein, and this report shall not be deemed an admission that such person is the beneficial owner of the securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose."}],"balance_after":0,"derivative":{"exercise_price":0,"underlying":"Ordinary Shares","underlying_shares":5847},"source":{"system":"sec-edgar","filing":"0001418812-21-000058","document":"primary_doc.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1137789/000141881221000058/primary_doc.xml","form_type":"4"}},{"id":2536660,"issuer":{"id":2029,"kind":"organization","name":"Seagate Technology Holdings plc","symbol":"STX"},"owners":[{"id":73892,"kind":"person","name":"Haggart Dylan G.","position":1,"cik":"0001684185","reported_name":"Haggart Dylan G.","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"See Remarks"}},{"id":12224,"kind":"person","name":"ValueAct Holdings, L.P.","position":2,"cik":"0001418814","reported_name":"ValueAct Holdings, L.P.","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"See Remarks"}},{"id":12225,"kind":"person","name":"ValueAct Capital Master Fund, L.P.","position":3,"cik":"0001464912","reported_name":"ValueAct Capital Master Fund, L.P.","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"See Remarks"}},{"id":12227,"kind":"person","name":"VA Partners I, LLC","position":4,"cik":"0001418812","reported_name":"VA Partners I, LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"See Remarks"}},{"id":12228,"kind":"person","name":"ValueAct Capital Management, L.P.","position":5,"cik":"0001351069","reported_name":"ValueAct Capital Management, L.P.","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"See Remarks"}},{"id":12229,"kind":"person","name":"ValueAct Capital Management, LLC","position":6,"cik":"0001351073","reported_name":"ValueAct Capital Management, LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"See Remarks"}},{"id":15045,"kind":"person","name":"ValueAct Holdings II, L.P.","position":7,"cik":"0001763309","reported_name":"ValueAct Holdings II, L.P.","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"See Remarks"}},{"id":12230,"kind":"person","name":"ValueAct Holdings GP, LLC","position":8,"cik":"0001418813","reported_name":"ValueAct Holdings GP, LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"See Remarks"}}],"security":"Ordinary Shares","published_at":"2021-10-23T00:16:40.000Z","date":"2021-10-20","kind":"tax_withholding","acquired":false,"shares":2105,"price":80.53,"value":169515.65,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F3","text":"These Ordinary Shares are withheld securities to cover tax liabilities incident to the vesting of Restricted Share Units (\"RSUs\")."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F1","text":"The ValueAct entities referred to in this footnote 1 are collectively referred to herein as \"ValueAct Capital.\" Under an agreement with ValueAct Capital, Dylan G. Haggart is deemed to hold the shares for the benefit of the limited partners of ValueAct Capital Master Fund, L.P. and indirectly for (i) VA Partners I, LLC as General Partner of ValueAct Capital Master Fund, L.P., (ii) ValueAct Capital Management, L.P. as the manager of ValueAct Capital Master Fund, L.P., (iii) ValueAct Capital Management, LLC as General Partner of ValueAct Capital Management, L.P., (iv) ValueAct Holdings, L.P. as the majority owner of the membership interests of VA Partners I, LLC, (v) ValueAct Holdings II, L.P. as the sole owner of the membership interests of ValueAct Capital Management, LLC and as the majority owner of the limited partnership interests of ValueAct Capital Management, L.P., and (vi) ValueAct Holdings GP, LLC as General Partner of ValueAct Holdings, L.P. and ValueAct Holdings II, L.P."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F2","text":"Each reporting person listed herein disclaims beneficial ownership of the reported securities except to the extent of its pecuniary interest therein, and this report shall not be deemed an admission that such person is the beneficial owner of the securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose."}],"balance_after":3742,"source":{"system":"sec-edgar","filing":"0001418812-21-000058","document":"primary_doc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1137789/000141881221000058/primary_doc.xml","form_type":"4"}},{"id":2536659,"issuer":{"id":2029,"kind":"organization","name":"Seagate Technology Holdings plc","symbol":"STX"},"owners":[{"id":73892,"kind":"person","name":"Haggart Dylan G.","position":1,"cik":"0001684185","reported_name":"Haggart Dylan G.","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"See Remarks"}},{"id":12224,"kind":"person","name":"ValueAct Holdings, L.P.","position":2,"cik":"0001418814","reported_name":"ValueAct Holdings, L.P.","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"See Remarks"}},{"id":12225,"kind":"person","name":"ValueAct Capital Master Fund, L.P.","position":3,"cik":"0001464912","reported_name":"ValueAct Capital Master Fund, L.P.","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"See Remarks"}},{"id":12227,"kind":"person","name":"VA Partners I, LLC","position":4,"cik":"0001418812","reported_name":"VA Partners I, LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"See Remarks"}},{"id":12228,"kind":"person","name":"ValueAct Capital Management, L.P.","position":5,"cik":"0001351069","reported_name":"ValueAct Capital Management, L.P.","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"See Remarks"}},{"id":12229,"kind":"person","name":"ValueAct Capital Management, LLC","position":6,"cik":"0001351073","reported_name":"ValueAct Capital Management, LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"See Remarks"}},{"id":15045,"kind":"person","name":"ValueAct Holdings II, L.P.","position":7,"cik":"0001763309","reported_name":"ValueAct Holdings II, L.P.","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"See Remarks"}},{"id":12230,"kind":"person","name":"ValueAct Holdings GP, LLC","position":8,"cik":"0001418813","reported_name":"ValueAct Holdings GP, LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"See Remarks"}}],"security":"Ordinary Shares","published_at":"2021-10-23T00:16:40.000Z","date":"2021-10-20","kind":"exercise","acquired":true,"shares":5847,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F1","text":"The ValueAct entities referred to in this footnote 1 are collectively referred to herein as \"ValueAct Capital.\" Under an agreement with ValueAct Capital, Dylan G. Haggart is deemed to hold the shares for the benefit of the limited partners of ValueAct Capital Master Fund, L.P. and indirectly for (i) VA Partners I, LLC as General Partner of ValueAct Capital Master Fund, L.P., (ii) ValueAct Capital Management, L.P. as the manager of ValueAct Capital Master Fund, L.P., (iii) ValueAct Capital Management, LLC as General Partner of ValueAct Capital Management, L.P., (iv) ValueAct Holdings, L.P. as the majority owner of the membership interests of VA Partners I, LLC, (v) ValueAct Holdings II, L.P. as the sole owner of the membership interests of ValueAct Capital Management, LLC and as the majority owner of the limited partnership interests of ValueAct Capital Management, L.P., and (vi) ValueAct Holdings GP, LLC as General Partner of ValueAct Holdings, L.P. and ValueAct Holdings II, L.P."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F2","text":"Each reporting person listed herein disclaims beneficial ownership of the reported securities except to the extent of its pecuniary interest therein, and this report shall not be deemed an admission that such person is the beneficial owner of the securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose."}],"balance_after":5847,"source":{"system":"sec-edgar","filing":"0001418812-21-000058","document":"primary_doc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1137789/000141881221000058/primary_doc.xml","form_type":"4"}},{"id":3000866,"issuer":{"id":2029,"kind":"organization","name":"Seagate Technology Holdings plc","symbol":"STX"},"owners":[{"id":73892,"kind":"person","name":"Haggart Dylan G.","position":1,"cik":"0001684185","reported_name":"Haggart Dylan G.","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":true,"other_text":"See Remarks"}},{"id":12224,"kind":"person","name":"ValueAct Holdings, L.P.","position":2,"cik":"0001418814","reported_name":"ValueAct Holdings, L.P.","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":true,"other_text":"See Remarks"}},{"id":12225,"kind":"person","name":"ValueAct Capital Master Fund, L.P.","position":3,"cik":"0001464912","reported_name":"ValueAct Capital Master Fund, L.P.","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":true,"other_text":"See Remarks"}},{"id":139780,"kind":"person","name":"ValueAct Capital Master Fund B, L.P.","position":4,"cik":"0001759805","reported_name":"ValueAct Capital Master Fund B, L.P.","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":true,"other_text":"See Remarks"}},{"id":12227,"kind":"person","name":"VA Partners I, LLC","position":5,"cik":"0001418812","reported_name":"VA Partners I, LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":true,"other_text":"See Remarks"}},{"id":12228,"kind":"person","name":"ValueAct Capital Management, L.P.","position":6,"cik":"0001351069","reported_name":"ValueAct Capital Management, L.P.","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":true,"other_text":"See Remarks"}},{"id":12229,"kind":"person","name":"ValueAct Capital Management, LLC","position":7,"cik":"0001351073","reported_name":"ValueAct Capital Management, LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":true,"other_text":"See Remarks"}},{"id":15045,"kind":"person","name":"ValueAct Holdings II, L.P.","position":8,"cik":"0001763309","reported_name":"ValueAct Holdings II, L.P.","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":true,"other_text":"See Remarks"}},{"id":12230,"kind":"person","name":"ValueAct Holdings GP, LLC","position":9,"cik":"0001418813","reported_name":"ValueAct Holdings GP, LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":true,"other_text":"See Remarks"}}],"security":"Restricted Share Unit","published_at":"2020-10-24T00:10:24.000Z","date":"2020-10-22","kind":"grant","acquired":true,"shares":5847,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F7","text":"Consists of a grant of RSUs awarded to Mr. Haggart under the Amended and Restated Seagate Technology plc 2012 Equity Incentive Plan for no consideration. Each RSU represents a contingent right to receive one Ordinary Share of the Issuer. Subject to Mr. Haggart's continuous service with the Issuer, shares will be released to Mr. Haggart on the earlier of (i) one year from the date of grant and (ii) the date of the next annual general meeting of shareholders which is at least fifty (50) weeks after the immediately preceding year's annual meeting."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F7","text":"Consists of a grant of RSUs awarded to Mr. Haggart under the Amended and Restated Seagate Technology plc 2012 Equity Incentive Plan for no consideration. Each RSU represents a contingent right to receive one Ordinary Share of the Issuer. Subject to Mr. Haggart's continuous service with the Issuer, shares will be released to Mr. Haggart on the earlier of (i) one year from the date of grant and (ii) the date of the next annual general meeting of shareholders which is at least fifty (50) weeks after the immediately preceding year's annual meeting."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F1","text":"The ValueAct entities referred to in this footnote 1 are collectively referred to herein as \"ValueAct Capital.\" Under an agreement with ValueAct Capital, Dylan G. Haggart is deemed to hold the shares for the benefit of the limited partners of ValueAct Capital Master Fund, L.P. and indirectly for (i) VA Partners I, LLC as General Partner of ValueAct Capital Master Fund, L.P., (ii) ValueAct Capital Management, L.P. as the manager of ValueAct Capital Master Fund, L.P., (iii) ValueAct Capital Management, LLC as General Partner of ValueAct Capital Management, L.P., (iv) ValueAct Holdings, L.P. as the majority owner of the membership interests of VA Partners I, LLC, (v) ValueAct Holdings II, L.P. as the sole owner of the membership interests of ValueAct Capital Management, LLC and as the majority owner of the limited partnership interests of ValueAct Capital Management, L.P., and (vi) ValueAct Holdings GP, LLC as General Partner of ValueAct Holdings, L.P. and ValueAct Holdings II, L.P."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F2","text":"Each reporting person listed herein disclaims beneficial ownership of the reported securities except to the extent of its pecuniary interest therein, and this report shall not be deemed an admission that such person is the beneficial owner of the securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose."}],"balance_after":5847,"derivative":{"exercise_price":0,"underlying":"Ordinary Shares","underlying_shares":5847},"source":{"system":"sec-edgar","filing":"0001418812-20-000076","document":"primary_doc.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":6,"url":"https://www.sec.gov/Archives/edgar/data/1137789/000141881220000076/primary_doc.xml","form_type":"4"}},{"id":3000865,"issuer":{"id":2029,"kind":"organization","name":"Seagate Technology Holdings plc","symbol":"STX"},"owners":[{"id":73892,"kind":"person","name":"Haggart Dylan G.","position":1,"cik":"0001684185","reported_name":"Haggart Dylan G.","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":true,"other_text":"See Remarks"}},{"id":12224,"kind":"person","name":"ValueAct Holdings, L.P.","position":2,"cik":"0001418814","reported_name":"ValueAct Holdings, L.P.","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":true,"other_text":"See Remarks"}},{"id":12225,"kind":"person","name":"ValueAct Capital Master Fund, L.P.","position":3,"cik":"0001464912","reported_name":"ValueAct Capital Master Fund, L.P.","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":true,"other_text":"See Remarks"}},{"id":139780,"kind":"person","name":"ValueAct Capital Master Fund B, L.P.","position":4,"cik":"0001759805","reported_name":"ValueAct Capital Master Fund B, L.P.","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":true,"other_text":"See Remarks"}},{"id":12227,"kind":"person","name":"VA Partners I, LLC","position":5,"cik":"0001418812","reported_name":"VA Partners I, LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":true,"other_text":"See Remarks"}},{"id":12228,"kind":"person","name":"ValueAct Capital Management, L.P.","position":6,"cik":"0001351069","reported_name":"ValueAct Capital Management, L.P.","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":true,"other_text":"See Remarks"}},{"id":12229,"kind":"person","name":"ValueAct Capital Management, LLC","position":7,"cik":"0001351073","reported_name":"ValueAct Capital Management, LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":true,"other_text":"See Remarks"}},{"id":15045,"kind":"person","name":"ValueAct Holdings II, L.P.","position":8,"cik":"0001763309","reported_name":"ValueAct Holdings II, L.P.","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":true,"other_text":"See Remarks"}},{"id":12230,"kind":"person","name":"ValueAct Holdings GP, LLC","position":9,"cik":"0001418813","reported_name":"ValueAct Holdings GP, LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":true,"other_text":"See Remarks"}}],"security":"Restricted Share Unit","published_at":"2020-10-24T00:10:24.000Z","date":"2020-10-21","kind":"exercise","acquired":false,"shares":5579,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F6","text":"Each RSU represents a contingent right to receive one Ordinary Share of the Issuer. The award vested on the date prior to the annual general meeting of the shareholders of the Issuer following the end of the\nfiscal year ending July 3, 2020."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F6","text":"Each RSU represents a contingent right to receive one Ordinary Share of the Issuer. The award vested on the date prior to the annual general meeting of the shareholders of the Issuer following the end of the\nfiscal year ending July 3, 2020."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F1","text":"The ValueAct entities referred to in this footnote 1 are collectively referred to herein as \"ValueAct Capital.\" Under an agreement with ValueAct Capital, Dylan G. Haggart is deemed to hold the shares for the benefit of the limited partners of ValueAct Capital Master Fund, L.P. and indirectly for (i) VA Partners I, LLC as General Partner of ValueAct Capital Master Fund, L.P., (ii) ValueAct Capital Management, L.P. as the manager of ValueAct Capital Master Fund, L.P., (iii) ValueAct Capital Management, LLC as General Partner of ValueAct Capital Management, L.P., (iv) ValueAct Holdings, L.P. as the majority owner of the membership interests of VA Partners I, LLC, (v) ValueAct Holdings II, L.P. as the sole owner of the membership interests of ValueAct Capital Management, LLC and as the majority owner of the limited partnership interests of ValueAct Capital Management, L.P., and (vi) ValueAct Holdings GP, LLC as General Partner of ValueAct Holdings, L.P. and ValueAct Holdings II, L.P."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F2","text":"Each reporting person listed herein disclaims beneficial ownership of the reported securities except to the extent of its pecuniary interest therein, and this report shall not be deemed an admission that such person is the beneficial owner of the securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose."}],"balance_after":0,"derivative":{"exercise_price":0,"underlying":"Ordinary Shares","underlying_shares":5579},"source":{"system":"sec-edgar","filing":"0001418812-20-000076","document":"primary_doc.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/1137789/000141881220000076/primary_doc.xml","form_type":"4"}},{"id":3000864,"issuer":{"id":2029,"kind":"organization","name":"Seagate Technology Holdings plc","symbol":"STX"},"owners":[{"id":73892,"kind":"person","name":"Haggart Dylan G.","position":1,"cik":"0001684185","reported_name":"Haggart Dylan G.","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":true,"other_text":"See Remarks"}},{"id":12224,"kind":"person","name":"ValueAct Holdings, L.P.","position":2,"cik":"0001418814","reported_name":"ValueAct Holdings, L.P.","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":true,"other_text":"See Remarks"}},{"id":12225,"kind":"person","name":"ValueAct Capital Master Fund, L.P.","position":3,"cik":"0001464912","reported_name":"ValueAct Capital Master Fund, L.P.","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":true,"other_text":"See Remarks"}},{"id":139780,"kind":"person","name":"ValueAct Capital Master Fund B, L.P.","position":4,"cik":"0001759805","reported_name":"ValueAct Capital Master Fund B, L.P.","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":true,"other_text":"See Remarks"}},{"id":12227,"kind":"person","name":"VA Partners I, LLC","position":5,"cik":"0001418812","reported_name":"VA Partners I, LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":true,"other_text":"See Remarks"}},{"id":12228,"kind":"person","name":"ValueAct Capital Management, L.P.","position":6,"cik":"0001351069","reported_name":"ValueAct Capital Management, L.P.","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":true,"other_text":"See Remarks"}},{"id":12229,"kind":"person","name":"ValueAct Capital Management, LLC","position":7,"cik":"0001351073","reported_name":"ValueAct Capital Management, LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":true,"other_text":"See Remarks"}},{"id":15045,"kind":"person","name":"ValueAct Holdings II, L.P.","position":8,"cik":"0001763309","reported_name":"ValueAct Holdings II, L.P.","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":true,"other_text":"See Remarks"}},{"id":12230,"kind":"person","name":"ValueAct Holdings GP, LLC","position":9,"cik":"0001418813","reported_name":"ValueAct Holdings GP, LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":true,"other_text":"See Remarks"}}],"security":"Ordinary Shares","published_at":"2020-10-24T00:10:24.000Z","date":"2020-10-21","kind":"tax_withholding","acquired":false,"shares":2009,"price":51.69,"value":103845.21,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F3","text":"These Ordinary Shares are withheld securities to cover tax liabilities incident to the vesting of Restricted Share Units (\"RSUs\")."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F1","text":"The ValueAct entities referred to in this footnote 1 are collectively referred to herein as \"ValueAct Capital.\" Under an agreement with ValueAct Capital, Dylan G. Haggart is deemed to hold the shares for the benefit of the limited partners of ValueAct Capital Master Fund, L.P. and indirectly for (i) VA Partners I, LLC as General Partner of ValueAct Capital Master Fund, L.P., (ii) ValueAct Capital Management, L.P. as the manager of ValueAct Capital Master Fund, L.P., (iii) ValueAct Capital Management, LLC as General Partner of ValueAct Capital Management, L.P., (iv) ValueAct Holdings, L.P. as the majority owner of the membership interests of VA Partners I, LLC, (v) ValueAct Holdings II, L.P. as the sole owner of the membership interests of ValueAct Capital Management, LLC and as the majority owner of the limited partnership interests of ValueAct Capital Management, L.P., and (vi) ValueAct Holdings GP, LLC as General Partner of ValueAct Holdings, L.P. and ValueAct Holdings II, L.P."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F2","text":"Each reporting person listed herein disclaims beneficial ownership of the reported securities except to the extent of its pecuniary interest therein, and this report shall not be deemed an admission that such person is the beneficial owner of the securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose."}],"balance_after":6863,"source":{"system":"sec-edgar","filing":"0001418812-20-000076","document":"primary_doc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1137789/000141881220000076/primary_doc.xml","form_type":"4"}},{"id":3000863,"issuer":{"id":2029,"kind":"organization","name":"Seagate Technology Holdings plc","symbol":"STX"},"owners":[{"id":73892,"kind":"person","name":"Haggart Dylan G.","position":1,"cik":"0001684185","reported_name":"Haggart Dylan G.","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":true,"other_text":"See Remarks"}},{"id":12224,"kind":"person","name":"ValueAct Holdings, L.P.","position":2,"cik":"0001418814","reported_name":"ValueAct Holdings, L.P.","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":true,"other_text":"See Remarks"}},{"id":12225,"kind":"person","name":"ValueAct Capital Master Fund, L.P.","position":3,"cik":"0001464912","reported_name":"ValueAct Capital Master Fund, L.P.","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":true,"other_text":"See Remarks"}},{"id":139780,"kind":"person","name":"ValueAct Capital Master Fund B, L.P.","position":4,"cik":"0001759805","reported_name":"ValueAct Capital Master Fund B, L.P.","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":true,"other_text":"See Remarks"}},{"id":12227,"kind":"person","name":"VA Partners I, LLC","position":5,"cik":"0001418812","reported_name":"VA Partners I, LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":true,"other_text":"See Remarks"}},{"id":12228,"kind":"person","name":"ValueAct Capital Management, L.P.","position":6,"cik":"0001351069","reported_name":"ValueAct Capital Management, L.P.","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":true,"other_text":"See Remarks"}},{"id":12229,"kind":"person","name":"ValueAct Capital Management, LLC","position":7,"cik":"0001351073","reported_name":"ValueAct Capital Management, LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":true,"other_text":"See Remarks"}},{"id":15045,"kind":"person","name":"ValueAct Holdings II, L.P.","position":8,"cik":"0001763309","reported_name":"ValueAct Holdings II, L.P.","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":true,"other_text":"See Remarks"}},{"id":12230,"kind":"person","name":"ValueAct Holdings GP, LLC","position":9,"cik":"0001418813","reported_name":"ValueAct Holdings GP, LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":true,"other_text":"See Remarks"}}],"security":"Ordinary Shares","published_at":"2020-10-24T00:10:24.000Z","date":"2020-10-21","kind":"exercise","acquired":true,"shares":5579,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F1","text":"The ValueAct entities referred to in this footnote 1 are collectively referred to herein as \"ValueAct Capital.\" Under an agreement with ValueAct Capital, Dylan G. Haggart is deemed to hold the shares for the benefit of the limited partners of ValueAct Capital Master Fund, L.P. and indirectly for (i) VA Partners I, LLC as General Partner of ValueAct Capital Master Fund, L.P., (ii) ValueAct Capital Management, L.P. as the manager of ValueAct Capital Master Fund, L.P., (iii) ValueAct Capital Management, LLC as General Partner of ValueAct Capital Management, L.P., (iv) ValueAct Holdings, L.P. as the majority owner of the membership interests of VA Partners I, LLC, (v) ValueAct Holdings II, L.P. as the sole owner of the membership interests of ValueAct Capital Management, LLC and as the majority owner of the limited partnership interests of ValueAct Capital Management, L.P., and (vi) ValueAct Holdings GP, LLC as General Partner of ValueAct Holdings, L.P. and ValueAct Holdings II, L.P."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F2","text":"Each reporting person listed herein disclaims beneficial ownership of the reported securities except to the extent of its pecuniary interest therein, and this report shall not be deemed an admission that such person is the beneficial owner of the securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose."}],"balance_after":8872,"source":{"system":"sec-edgar","filing":"0001418812-20-000076","document":"primary_doc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1137789/000141881220000076/primary_doc.xml","form_type":"4"}},{"id":3385463,"issuer":{"id":2029,"kind":"organization","name":"Seagate Technology Holdings plc","symbol":"STX"},"owners":[{"id":73892,"kind":"person","name":"Haggart Dylan G.","position":1,"cik":"0001684185","reported_name":"Haggart Dylan G.","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":true,"other_text":"See Remarks"}},{"id":12224,"kind":"person","name":"ValueAct Holdings, L.P.","position":2,"cik":"0001418814","reported_name":"ValueAct Holdings, L.P.","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":true,"other_text":"See Remarks"}},{"id":12225,"kind":"person","name":"ValueAct Capital Master Fund, L.P.","position":3,"cik":"0001464912","reported_name":"ValueAct Capital Master Fund, L.P.","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":true,"other_text":"See Remarks"}},{"id":139780,"kind":"person","name":"ValueAct Capital Master Fund B, L.P.","position":4,"cik":"0001759805","reported_name":"ValueAct Capital Master Fund B, L.P.","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":true,"other_text":"See Remarks"}},{"id":12227,"kind":"person","name":"VA Partners I, LLC","position":5,"cik":"0001418812","reported_name":"VA Partners I, LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":true,"other_text":"See Remarks"}},{"id":12228,"kind":"person","name":"ValueAct Capital Management, L.P.","position":6,"cik":"0001351069","reported_name":"ValueAct Capital Management, L.P.","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":true,"other_text":"See Remarks"}},{"id":12229,"kind":"person","name":"ValueAct Capital Management, LLC","position":7,"cik":"0001351073","reported_name":"ValueAct Capital Management, LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":true,"other_text":"See Remarks"}},{"id":15045,"kind":"person","name":"ValueAct Holdings II, L.P.","position":8,"cik":"0001763309","reported_name":"ValueAct Holdings II, L.P.","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":true,"other_text":"See Remarks"}},{"id":12230,"kind":"person","name":"ValueAct Holdings GP, LLC","position":9,"cik":"0001418813","reported_name":"ValueAct Holdings GP, LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":true,"other_text":"See Remarks"}}],"security":"Restricted Share Unit","published_at":"2019-10-31T00:12:17.000Z","date":"2019-10-29","kind":"grant","acquired":true,"shares":5579,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F7","text":"Consists of a grant of RSUs awarded to Mr. Haggart under the Amended and Restated Seagate Technology plc 2012 Equity Incentive Plan for no consideration. Each RSU represents a contingent right to receive one Ordinary Share of the Issuer. Subject to Mr. Haggart's continuous service with the Issuer, shares will be released to Mr. Haggart on the earlier of (i) one year from the date of grant and (ii) one day prior to the next election of directors following the date of grant."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F7","text":"Consists of a grant of RSUs awarded to Mr. Haggart under the Amended and Restated Seagate Technology plc 2012 Equity Incentive Plan for no consideration. Each RSU represents a contingent right to receive one Ordinary Share of the Issuer. Subject to Mr. Haggart's continuous service with the Issuer, shares will be released to Mr. Haggart on the earlier of (i) one year from the date of grant and (ii) one day prior to the next election of directors following the date of grant."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F1","text":"The ValueAct entities referred to in this footnote 1 are collectively referred to herein as \"ValueAct Capital.\" Under an agreement with ValueAct Capital, Dylan G. Haggart is deemed to hold the shares for the benefit of the limited partners of ValueAct Capital Master Fund, L.P. and indirectly for (i) VA Partners I, LLC as General Partner of ValueAct Capital Master Fund, L.P., (ii) ValueAct Capital Management, L.P. as the manager of ValueAct Capital Master Fund, L.P., (iii) ValueAct Capital Management, LLC as General Partner of ValueAct Capital Management, L.P., (iv) ValueAct Holdings, L.P. as the majority owner of the membership interests of VA Partners I, LLC, (v) ValueAct Holdings II, L.P. as the sole owner of the membership interests of ValueAct Capital Management, LLC and as the majority owner of the limited partnership interests of ValueAct Capital Management, L.P., and (vi) ValueAct Holdings GP, LLC as General Partner of ValueAct Holdings, L.P. and ValueAct Holdings II, L.P."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F2","text":"Each reporting person listed herein disclaims beneficial ownership of the reported securities except to the extent of its pecuniary interest therein, and this report shall not be deemed an admission that such person is the beneficial owner of the securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose."}],"balance_after":5579,"derivative":{"exercise_price":0,"underlying":"Ordinary Shares","underlying_shares":5579},"source":{"system":"sec-edgar","filing":"0001418812-19-000076","document":"primary_doc.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":6,"url":"https://www.sec.gov/Archives/edgar/data/1137789/000141881219000076/primary_doc.xml","form_type":"4"}},{"id":3385462,"issuer":{"id":2029,"kind":"organization","name":"Seagate Technology Holdings plc","symbol":"STX"},"owners":[{"id":73892,"kind":"person","name":"Haggart Dylan G.","position":1,"cik":"0001684185","reported_name":"Haggart Dylan G.","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":true,"other_text":"See Remarks"}},{"id":12224,"kind":"person","name":"ValueAct Holdings, L.P.","position":2,"cik":"0001418814","reported_name":"ValueAct Holdings, L.P.","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":true,"other_text":"See Remarks"}},{"id":12225,"kind":"person","name":"ValueAct Capital Master Fund, L.P.","position":3,"cik":"0001464912","reported_name":"ValueAct Capital Master Fund, L.P.","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":true,"other_text":"See Remarks"}},{"id":139780,"kind":"person","name":"ValueAct Capital Master Fund B, L.P.","position":4,"cik":"0001759805","reported_name":"ValueAct Capital Master Fund B, L.P.","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":true,"other_text":"See Remarks"}},{"id":12227,"kind":"person","name":"VA Partners I, LLC","position":5,"cik":"0001418812","reported_name":"VA Partners I, LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":true,"other_text":"See Remarks"}},{"id":12228,"kind":"person","name":"ValueAct Capital Management, L.P.","position":6,"cik":"0001351069","reported_name":"ValueAct Capital Management, L.P.","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":true,"other_text":"See Remarks"}},{"id":12229,"kind":"person","name":"ValueAct Capital Management, LLC","position":7,"cik":"0001351073","reported_name":"ValueAct Capital Management, LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":true,"other_text":"See Remarks"}},{"id":15045,"kind":"person","name":"ValueAct Holdings II, L.P.","position":8,"cik":"0001763309","reported_name":"ValueAct Holdings II, L.P.","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":true,"other_text":"See Remarks"}},{"id":12230,"kind":"person","name":"ValueAct Holdings GP, LLC","position":9,"cik":"0001418813","reported_name":"ValueAct Holdings GP, LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":true,"other_text":"See Remarks"}}],"security":"Restricted Share Unit","published_at":"2019-10-31T00:12:17.000Z","date":"2019-10-28","kind":"exercise","acquired":false,"shares":5146,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F6","text":"Each RSU represents a contingent right to receive one Ordinary Share of the Issuer. The award vested on the date prior to the annual general meeting of the shareholders of the Issuer following the end of the Issuer's fiscal year ending June 28, 2019."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F6","text":"Each RSU represents a contingent right to receive one Ordinary Share of the Issuer. The award vested on the date prior to the annual general meeting of the shareholders of the Issuer following the end of the Issuer's fiscal year ending June 28, 2019."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F1","text":"The ValueAct entities referred to in this footnote 1 are collectively referred to herein as \"ValueAct Capital.\" Under an agreement with ValueAct Capital, Dylan G. Haggart is deemed to hold the shares for the benefit of the limited partners of ValueAct Capital Master Fund, L.P. and indirectly for (i) VA Partners I, LLC as General Partner of ValueAct Capital Master Fund, L.P., (ii) ValueAct Capital Management, L.P. as the manager of ValueAct Capital Master Fund, L.P., (iii) ValueAct Capital Management, LLC as General Partner of ValueAct Capital Management, L.P., (iv) ValueAct Holdings, L.P. as the majority owner of the membership interests of VA Partners I, LLC, (v) ValueAct Holdings II, L.P. as the sole owner of the membership interests of ValueAct Capital Management, LLC and as the majority owner of the limited partnership interests of ValueAct Capital Management, L.P., and (vi) ValueAct Holdings GP, LLC as General Partner of ValueAct Holdings, L.P. and ValueAct Holdings II, L.P."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F2","text":"Each reporting person listed herein disclaims beneficial ownership of the reported securities except to the extent of its pecuniary interest therein, and this report shall not be deemed an admission that such person is the beneficial owner of the securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose."}],"balance_after":0,"derivative":{"exercise_price":0,"underlying":"Ordinary Shares","underlying_shares":5146},"source":{"system":"sec-edgar","filing":"0001418812-19-000076","document":"primary_doc.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/1137789/000141881219000076/primary_doc.xml","form_type":"4"}},{"id":3385461,"issuer":{"id":2029,"kind":"organization","name":"Seagate Technology Holdings plc","symbol":"STX"},"owners":[{"id":73892,"kind":"person","name":"Haggart Dylan G.","position":1,"cik":"0001684185","reported_name":"Haggart Dylan G.","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":true,"other_text":"See Remarks"}},{"id":12224,"kind":"person","name":"ValueAct Holdings, L.P.","position":2,"cik":"0001418814","reported_name":"ValueAct Holdings, L.P.","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":true,"other_text":"See Remarks"}},{"id":12225,"kind":"person","name":"ValueAct Capital Master Fund, L.P.","position":3,"cik":"0001464912","reported_name":"ValueAct Capital Master Fund, L.P.","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":true,"other_text":"See Remarks"}},{"id":139780,"kind":"person","name":"ValueAct Capital Master Fund B, L.P.","position":4,"cik":"0001759805","reported_name":"ValueAct Capital Master Fund B, L.P.","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":true,"other_text":"See Remarks"}},{"id":12227,"kind":"person","name":"VA Partners I, LLC","position":5,"cik":"0001418812","reported_name":"VA Partners I, LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":true,"other_text":"See Remarks"}},{"id":12228,"kind":"person","name":"ValueAct Capital Management, L.P.","position":6,"cik":"0001351069","reported_name":"ValueAct Capital Management, L.P.","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":true,"other_text":"See Remarks"}},{"id":12229,"kind":"person","name":"ValueAct Capital Management, LLC","position":7,"cik":"0001351073","reported_name":"ValueAct Capital Management, LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":true,"other_text":"See Remarks"}},{"id":15045,"kind":"person","name":"ValueAct Holdings II, L.P.","position":8,"cik":"0001763309","reported_name":"ValueAct Holdings II, L.P.","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":true,"other_text":"See Remarks"}},{"id":12230,"kind":"person","name":"ValueAct Holdings GP, LLC","position":9,"cik":"0001418813","reported_name":"ValueAct Holdings GP, LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":true,"other_text":"See Remarks"}}],"security":"Ordinary Shares","published_at":"2019-10-31T00:12:17.000Z","date":"2019-10-28","kind":"tax_withholding","acquired":false,"shares":1853,"price":57.75,"value":107010.75,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F3","text":"These Ordinary Shares are withheld securities to cover tax liabilities incident to the vesting of Restricted Share Units (\"RSUs\")."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F1","text":"The ValueAct entities referred to in this footnote 1 are collectively referred to herein as \"ValueAct Capital.\" Under an agreement with ValueAct Capital, Dylan G. Haggart is deemed to hold the shares for the benefit of the limited partners of ValueAct Capital Master Fund, L.P. and indirectly for (i) VA Partners I, LLC as General Partner of ValueAct Capital Master Fund, L.P., (ii) ValueAct Capital Management, L.P. as the manager of ValueAct Capital Master Fund, L.P., (iii) ValueAct Capital Management, LLC as General Partner of ValueAct Capital Management, L.P., (iv) ValueAct Holdings, L.P. as the majority owner of the membership interests of VA Partners I, LLC, (v) ValueAct Holdings II, L.P. as the sole owner of the membership interests of ValueAct Capital Management, LLC and as the majority owner of the limited partnership interests of ValueAct Capital Management, L.P., and (vi) ValueAct Holdings GP, LLC as General Partner of ValueAct Holdings, L.P. and ValueAct Holdings II, L.P."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F2","text":"Each reporting person listed herein disclaims beneficial ownership of the reported securities except to the extent of its pecuniary interest therein, and this report shall not be deemed an admission that such person is the beneficial owner of the securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose."}],"balance_after":3293,"source":{"system":"sec-edgar","filing":"0001418812-19-000076","document":"primary_doc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1137789/000141881219000076/primary_doc.xml","form_type":"4"}},{"id":3385460,"issuer":{"id":2029,"kind":"organization","name":"Seagate Technology Holdings plc","symbol":"STX"},"owners":[{"id":73892,"kind":"person","name":"Haggart Dylan G.","position":1,"cik":"0001684185","reported_name":"Haggart Dylan G.","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":true,"other_text":"See Remarks"}},{"id":12224,"kind":"person","name":"ValueAct Holdings, L.P.","position":2,"cik":"0001418814","reported_name":"ValueAct Holdings, L.P.","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":true,"other_text":"See Remarks"}},{"id":12225,"kind":"person","name":"ValueAct Capital Master Fund, L.P.","position":3,"cik":"0001464912","reported_name":"ValueAct Capital Master Fund, L.P.","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":true,"other_text":"See Remarks"}},{"id":139780,"kind":"person","name":"ValueAct Capital Master Fund B, L.P.","position":4,"cik":"0001759805","reported_name":"ValueAct Capital Master Fund B, L.P.","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":true,"other_text":"See Remarks"}},{"id":12227,"kind":"person","name":"VA Partners I, LLC","position":5,"cik":"0001418812","reported_name":"VA Partners I, LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":true,"other_text":"See Remarks"}},{"id":12228,"kind":"person","name":"ValueAct Capital Management, L.P.","position":6,"cik":"0001351069","reported_name":"ValueAct Capital Management, L.P.","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":true,"other_text":"See Remarks"}},{"id":12229,"kind":"person","name":"ValueAct Capital Management, LLC","position":7,"cik":"0001351073","reported_name":"ValueAct Capital Management, LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":true,"other_text":"See Remarks"}},{"id":15045,"kind":"person","name":"ValueAct Holdings II, L.P.","position":8,"cik":"0001763309","reported_name":"ValueAct Holdings II, L.P.","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":true,"other_text":"See Remarks"}},{"id":12230,"kind":"person","name":"ValueAct Holdings GP, LLC","position":9,"cik":"0001418813","reported_name":"ValueAct Holdings GP, LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":true,"other_text":"See Remarks"}}],"security":"Ordinary Shares","published_at":"2019-10-31T00:12:17.000Z","date":"2019-10-28","kind":"exercise","acquired":true,"shares":5146,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F1","text":"The ValueAct entities referred to in this footnote 1 are collectively referred to herein as \"ValueAct Capital.\" Under an agreement with ValueAct Capital, Dylan G. Haggart is deemed to hold the shares for the benefit of the limited partners of ValueAct Capital Master Fund, L.P. and indirectly for (i) VA Partners I, LLC as General Partner of ValueAct Capital Master Fund, L.P., (ii) ValueAct Capital Management, L.P. as the manager of ValueAct Capital Master Fund, L.P., (iii) ValueAct Capital Management, LLC as General Partner of ValueAct Capital Management, L.P., (iv) ValueAct Holdings, L.P. as the majority owner of the membership interests of VA Partners I, LLC, (v) ValueAct Holdings II, L.P. as the sole owner of the membership interests of ValueAct Capital Management, LLC and as the majority owner of the limited partnership interests of ValueAct Capital Management, L.P., and (vi) ValueAct Holdings GP, LLC as General Partner of ValueAct Holdings, L.P. and ValueAct Holdings II, L.P."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F2","text":"Each reporting person listed herein disclaims beneficial ownership of the reported securities except to the extent of its pecuniary interest therein, and this report shall not be deemed an admission that such person is the beneficial owner of the securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose."}],"balance_after":5146,"source":{"system":"sec-edgar","filing":"0001418812-19-000076","document":"primary_doc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1137789/000141881219000076/primary_doc.xml","form_type":"4"}},{"id":3779654,"issuer":{"id":2029,"kind":"organization","name":"Seagate Technology Holdings plc","symbol":"STX"},"owners":[{"id":73892,"kind":"person","name":"Haggart Dylan G.","position":1,"cik":"0001684185","reported_name":"Haggart Dylan G.","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"See Remarks"}},{"id":12224,"kind":"person","name":"ValueAct Holdings, L.P.","position":2,"cik":"0001418814","reported_name":"ValueAct Holdings, L.P.","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"See Remarks"}},{"id":12225,"kind":"person","name":"ValueAct Capital Master Fund, L.P.","position":3,"cik":"0001464912","reported_name":"ValueAct Capital Master Fund, L.P.","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"See Remarks"}},{"id":12227,"kind":"person","name":"VA Partners I, LLC","position":4,"cik":"0001418812","reported_name":"VA Partners I, LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"See Remarks"}},{"id":12228,"kind":"person","name":"ValueAct Capital Management, L.P.","position":5,"cik":"0001351069","reported_name":"ValueAct Capital Management, L.P.","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"See Remarks"}},{"id":12229,"kind":"person","name":"ValueAct Capital Management, LLC","position":6,"cik":"0001351073","reported_name":"ValueAct Capital Management, LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"See Remarks"}},{"id":12230,"kind":"person","name":"ValueAct Holdings GP, LLC","position":7,"cik":"0001418813","reported_name":"ValueAct Holdings GP, LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"See Remarks"}}],"security":"Restricted Share Unit","published_at":"2018-10-31T22:23:42.000Z","date":"2018-10-30","kind":"grant","acquired":true,"shares":5146,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F6","text":"Consists of a grant of RSUs awarded to the Reporting Person under the Amended and Restated Seagate Technology plc 2012 Equity Incentive Plan for no consideration. Each RSU represents a contingent right to receive one Ordinary Share of the Issuer. Subject to the Reporting Person's continuous service with the Issuer, shares will be released to the Reporting Person on the earlier of (i) one year from the date of grant and (ii) one day prior to the next annual general meeting of the shareholders of the Issuer following the end of the fiscal year ending on June 28, 2019."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F6","text":"Consists of a grant of RSUs awarded to the Reporting Person under the Amended and Restated Seagate Technology plc 2012 Equity Incentive Plan for no consideration. Each RSU represents a contingent right to receive one Ordinary Share of the Issuer. Subject to the Reporting Person's continuous service with the Issuer, shares will be released to the Reporting Person on the earlier of (i) one year from the date of grant and (ii) one day prior to the next annual general meeting of the shareholders of the Issuer following the end of the fiscal year ending on June 28, 2019."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F1","text":"The ValueAct entities referred to in this footnote 1 are collectively referred to herein as \"ValueAct Capital.\" Under an agreement with ValueAct Capital, Dylan G. Haggart is deemed to hold the shares for the benefit of the limited partners of ValueAct Capital Master Fund, L.P. and indirectly for (i) VA Partners I, LLC as General Partner of ValueAct Capital Master Fund, L.P., (ii) ValueAct Capital Management, L.P. as the manager of ValueAct Capital Master Fund, L.P., (iii) ValueAct Capital Management, LLC as General Partner of ValueAct Capital Management, L.P., (iv) ValueAct Holdings, L.P. as the sole owner of the limited partnership interests of ValueAct Capital Management, L.P. and the membership interests of  ValueAct Capital Management, LLC and as the majority owner of the membership interests of VA Partners I, LLC and (v) ValueAct Holdings GP, LLC as General Partner of ValueAct Holdings, L.P."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F2","text":"Each reporting person listed herein disclaims beneficial ownership of the reported securities except to the extent of its pecuniary interest therein, and this report shall not be deemed an admission that such person is the beneficial owner of the securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose."}],"balance_after":5146,"derivative":{"exercise_price":0,"underlying":"Ordinary Shares","underlying_shares":5146},"source":{"system":"sec-edgar","filing":"0001418812-18-000088","document":"primary_doc.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/1137789/000141881218000088/primary_doc.xml","form_type":"4"}},{"id":3779653,"issuer":{"id":2029,"kind":"organization","name":"Seagate Technology Holdings plc","symbol":"STX"},"owners":[{"id":73892,"kind":"person","name":"Haggart Dylan G.","position":1,"cik":"0001684185","reported_name":"Haggart Dylan G.","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"See Remarks"}},{"id":12224,"kind":"person","name":"ValueAct Holdings, L.P.","position":2,"cik":"0001418814","reported_name":"ValueAct Holdings, L.P.","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"See Remarks"}},{"id":12225,"kind":"person","name":"ValueAct Capital Master Fund, L.P.","position":3,"cik":"0001464912","reported_name":"ValueAct Capital Master Fund, L.P.","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"See Remarks"}},{"id":12227,"kind":"person","name":"VA Partners I, LLC","position":4,"cik":"0001418812","reported_name":"VA Partners I, LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"See Remarks"}},{"id":12228,"kind":"person","name":"ValueAct Capital Management, L.P.","position":5,"cik":"0001351069","reported_name":"ValueAct Capital Management, L.P.","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"See Remarks"}},{"id":12229,"kind":"person","name":"ValueAct Capital Management, LLC","position":6,"cik":"0001351073","reported_name":"ValueAct Capital Management, LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"See Remarks"}},{"id":12230,"kind":"person","name":"ValueAct Holdings GP, LLC","position":7,"cik":"0001418813","reported_name":"ValueAct Holdings GP, LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"See Remarks"}}],"security":"Restricted Share Unit","published_at":"2018-10-31T22:23:42.000Z","date":"2018-10-29","kind":"exercise","acquired":false,"shares":5285,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F5","text":"Each RSU represents a contingent right to receive one Ordinary Share of the Issuer. The award vested on the date prior to the annual general meeting of the shareholders of the Issuer following the end of the fiscal year ending June 29, 2018."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F5","text":"Each RSU represents a contingent right to receive one Ordinary Share of the Issuer. The award vested on the date prior to the annual general meeting of the shareholders of the Issuer following the end of the fiscal year ending June 29, 2018."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F1","text":"The ValueAct entities referred to in this footnote 1 are collectively referred to herein as \"ValueAct Capital.\" Under an agreement with ValueAct Capital, Dylan G. Haggart is deemed to hold the shares for the benefit of the limited partners of ValueAct Capital Master Fund, L.P. and indirectly for (i) VA Partners I, LLC as General Partner of ValueAct Capital Master Fund, L.P., (ii) ValueAct Capital Management, L.P. as the manager of ValueAct Capital Master Fund, L.P., (iii) ValueAct Capital Management, LLC as General Partner of ValueAct Capital Management, L.P., (iv) ValueAct Holdings, L.P. as the sole owner of the limited partnership interests of ValueAct Capital Management, L.P. and the membership interests of  ValueAct Capital Management, LLC and as the majority owner of the membership interests of VA Partners I, LLC and (v) ValueAct Holdings GP, LLC as General Partner of ValueAct Holdings, L.P."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F2","text":"Each reporting person listed herein disclaims beneficial ownership of the reported securities except to the extent of its pecuniary interest therein, and this report shall not be deemed an admission that such person is the beneficial owner of the securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose."}],"balance_after":0,"derivative":{"exercise_price":0,"underlying":"Ordinary Shares","underlying_shares":5285},"source":{"system":"sec-edgar","filing":"0001418812-18-000088","document":"primary_doc.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1137789/000141881218000088/primary_doc.xml","form_type":"4"}},{"id":3779652,"issuer":{"id":2029,"kind":"organization","name":"Seagate Technology Holdings plc","symbol":"STX"},"owners":[{"id":73892,"kind":"person","name":"Haggart Dylan G.","position":1,"cik":"0001684185","reported_name":"Haggart Dylan G.","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"See Remarks"}},{"id":12224,"kind":"person","name":"ValueAct Holdings, L.P.","position":2,"cik":"0001418814","reported_name":"ValueAct Holdings, L.P.","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"See Remarks"}},{"id":12225,"kind":"person","name":"ValueAct Capital Master Fund, L.P.","position":3,"cik":"0001464912","reported_name":"ValueAct Capital Master Fund, L.P.","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"See Remarks"}},{"id":12227,"kind":"person","name":"VA Partners I, LLC","position":4,"cik":"0001418812","reported_name":"VA Partners I, LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"See Remarks"}},{"id":12228,"kind":"person","name":"ValueAct Capital Management, L.P.","position":5,"cik":"0001351069","reported_name":"ValueAct Capital Management, L.P.","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"See Remarks"}},{"id":12229,"kind":"person","name":"ValueAct Capital Management, LLC","position":6,"cik":"0001351073","reported_name":"ValueAct Capital Management, LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"See Remarks"}},{"id":12230,"kind":"person","name":"ValueAct Holdings GP, LLC","position":7,"cik":"0001418813","reported_name":"ValueAct Holdings GP, LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"See Remarks"}}],"security":"Ordinary Shares","published_at":"2018-10-31T22:23:42.000Z","date":"2018-10-29","kind":"tax_withholding","acquired":false,"shares":1903,"price":37.83,"value":71990.49,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F3","text":"These Ordinary Shares are withheld securities to cover tax liabilities incident to the vesting of Restricted Share Units (\"RSUs\")."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F1","text":"The ValueAct entities referred to in this footnote 1 are collectively referred to herein as \"ValueAct Capital.\" Under an agreement with ValueAct Capital, Dylan G. Haggart is deemed to hold the shares for the benefit of the limited partners of ValueAct Capital Master Fund, L.P. and indirectly for (i) VA Partners I, LLC as General Partner of ValueAct Capital Master Fund, L.P., (ii) ValueAct Capital Management, L.P. as the manager of ValueAct Capital Master Fund, L.P., (iii) ValueAct Capital Management, LLC as General Partner of ValueAct Capital Management, L.P., (iv) ValueAct Holdings, L.P. as the sole owner of the limited partnership interests of ValueAct Capital Management, L.P. and the membership interests of  ValueAct Capital Management, LLC and as the majority owner of the membership interests of VA Partners I, LLC and (v) ValueAct Holdings GP, LLC as General Partner of ValueAct Holdings, L.P."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F2","text":"Each reporting person listed herein disclaims beneficial ownership of the reported securities except to the extent of its pecuniary interest therein, and this report shall not be deemed an admission that such person is the beneficial owner of the securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose."}],"balance_after":3382,"source":{"system":"sec-edgar","filing":"0001418812-18-000088","document":"primary_doc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1137789/000141881218000088/primary_doc.xml","form_type":"4"}},{"id":3779651,"issuer":{"id":2029,"kind":"organization","name":"Seagate Technology Holdings plc","symbol":"STX"},"owners":[{"id":73892,"kind":"person","name":"Haggart Dylan G.","position":1,"cik":"0001684185","reported_name":"Haggart Dylan G.","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"See Remarks"}},{"id":12224,"kind":"person","name":"ValueAct Holdings, L.P.","position":2,"cik":"0001418814","reported_name":"ValueAct Holdings, L.P.","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"See Remarks"}},{"id":12225,"kind":"person","name":"ValueAct Capital Master Fund, L.P.","position":3,"cik":"0001464912","reported_name":"ValueAct Capital Master Fund, L.P.","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"See Remarks"}},{"id":12227,"kind":"person","name":"VA Partners I, LLC","position":4,"cik":"0001418812","reported_name":"VA Partners I, LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"See Remarks"}},{"id":12228,"kind":"person","name":"ValueAct Capital Management, L.P.","position":5,"cik":"0001351069","reported_name":"ValueAct Capital Management, L.P.","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"See Remarks"}},{"id":12229,"kind":"person","name":"ValueAct Capital Management, LLC","position":6,"cik":"0001351073","reported_name":"ValueAct Capital Management, LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"See Remarks"}},{"id":12230,"kind":"person","name":"ValueAct Holdings GP, LLC","position":7,"cik":"0001418813","reported_name":"ValueAct Holdings GP, LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"See Remarks"}}],"security":"Ordinary Shares","published_at":"2018-10-31T22:23:42.000Z","date":"2018-10-29","kind":"exercise","acquired":true,"shares":5285,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F1","text":"The ValueAct entities referred to in this footnote 1 are collectively referred to herein as \"ValueAct Capital.\" Under an agreement with ValueAct Capital, Dylan G. Haggart is deemed to hold the shares for the benefit of the limited partners of ValueAct Capital Master Fund, L.P. and indirectly for (i) VA Partners I, LLC as General Partner of ValueAct Capital Master Fund, L.P., (ii) ValueAct Capital Management, L.P. as the manager of ValueAct Capital Master Fund, L.P., (iii) ValueAct Capital Management, LLC as General Partner of ValueAct Capital Management, L.P., (iv) ValueAct Holdings, L.P. as the sole owner of the limited partnership interests of ValueAct Capital Management, L.P. and the membership interests of  ValueAct Capital Management, LLC and as the majority owner of the membership interests of VA Partners I, LLC and (v) ValueAct Holdings GP, LLC as General Partner of ValueAct Holdings, L.P."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F2","text":"Each reporting person listed herein disclaims beneficial ownership of the reported securities except to the extent of its pecuniary interest therein, and this report shall not be deemed an admission that such person is the beneficial owner of the securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose."}],"balance_after":5285,"source":{"system":"sec-edgar","filing":"0001418812-18-000088","document":"primary_doc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1137789/000141881218000088/primary_doc.xml","form_type":"4"}},{"id":4089911,"issuer":{"id":2029,"kind":"organization","name":"Seagate Technology Holdings plc","symbol":"STX"},"owners":[{"id":73892,"kind":"person","name":"Haggart Dylan G.","position":1,"cik":"0001684185","reported_name":"Haggart Dylan G.","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"See Remarks"}},{"id":12224,"kind":"person","name":"ValueAct Holdings, L.P.","position":2,"cik":"0001418814","reported_name":"ValueAct Holdings, L.P.","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"See Remarks"}},{"id":12225,"kind":"person","name":"ValueAct Capital Master Fund, L.P.","position":3,"cik":"0001464912","reported_name":"ValueAct Capital Master Fund, L.P.","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"See Remarks"}},{"id":12227,"kind":"person","name":"VA Partners I, LLC","position":4,"cik":"0001418812","reported_name":"VA Partners I, LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"See Remarks"}},{"id":12228,"kind":"person","name":"ValueAct Capital Management, L.P.","position":5,"cik":"0001351069","reported_name":"ValueAct Capital Management, L.P.","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"See Remarks"}},{"id":12229,"kind":"person","name":"ValueAct Capital Management, LLC","position":6,"cik":"0001351073","reported_name":"ValueAct Capital Management, LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"See Remarks"}},{"id":12230,"kind":"person","name":"ValueAct Holdings GP, LLC","position":7,"cik":"0001418813","reported_name":"ValueAct Holdings GP, LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"See Remarks"}}],"security":"Restricted Share Unit","published_at":"2018-01-25T22:55:10.000Z","date":"2018-01-23","kind":"grant","acquired":true,"shares":5285,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F3","text":"Consists of a grant of restricted share units awarded to Mr. Haggart under the Amended and Restated Seagate Technology plc 2012 Equity Incentive Plan for no consideration. Each restricted share unit represents a contingent right to receive one Ordinary Share of the Issuer. Subject to Mr. Haggart's continuous service with the Issuer, shares will be released to Mr. Haggart on the earlier of (i) one year from the date of grant and (ii) one day prior to the next annual general meeting of the shareholders of the Issuer following the end of the fiscal year ending on June 29, 2018."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"Consists of a grant of restricted share units awarded to Mr. Haggart under the Amended and Restated Seagate Technology plc 2012 Equity Incentive Plan for no consideration. Each restricted share unit represents a contingent right to receive one Ordinary Share of the Issuer. Subject to Mr. Haggart's continuous service with the Issuer, shares will be released to Mr. Haggart on the earlier of (i) one year from the date of grant and (ii) one day prior to the next annual general meeting of the shareholders of the Issuer following the end of the fiscal year ending on June 29, 2018."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F3","text":"Consists of a grant of restricted share units awarded to Mr. Haggart under the Amended and Restated Seagate Technology plc 2012 Equity Incentive Plan for no consideration. Each restricted share unit represents a contingent right to receive one Ordinary Share of the Issuer. Subject to Mr. Haggart's continuous service with the Issuer, shares will be released to Mr. Haggart on the earlier of (i) one year from the date of grant and (ii) one day prior to the next annual general meeting of the shareholders of the Issuer following the end of the fiscal year ending on June 29, 2018."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F3","text":"Consists of a grant of restricted share units awarded to Mr. Haggart under the Amended and Restated Seagate Technology plc 2012 Equity Incentive Plan for no consideration. Each restricted share unit represents a contingent right to receive one Ordinary Share of the Issuer. Subject to Mr. Haggart's continuous service with the Issuer, shares will be released to Mr. Haggart on the earlier of (i) one year from the date of grant and (ii) one day prior to the next annual general meeting of the shareholders of the Issuer following the end of the fiscal year ending on June 29, 2018."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F2","text":"Each reporting person listed herein disclaims beneficial ownership of the reported securities except to the extent of its pecuniary interest therein, and this report shall not be deemed an admission that such person is the beneficial owner of the securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F4","text":"The ValueAct entities referred to in this footnote 4 are collectively referred to herein as \"ValueAct Capital.\" Under an agreement with ValueAct Capital, Dylan G. Haggart is deemed to hold the restricted share units for the benefit of the limited partners of ValueAct Capital Master Fund, L.P. and indirectly for (i) VA Partners I, LLC as General Partner of ValueAct Capital Master Fund, L.P., (ii) ValueAct Capital Management, L.P. as the manager of ValueAct Capital Master Fund, L.P., (iii) ValueAct Capital Management, LLC as General Partner of ValueAct Capital Management, L.P., (iv) ValueAct Holdings, L.P. as the sole owner of the limited partnership interests of ValueAct Capital Management, L.P. and the membership interests of  ValueAct Capital Management, LLC and as the majority owner of the membership interests of VA Partners I, LLC and (v) ValueAct Holdings GP, LLC as General Partner of ValueAct Holdings, L.P."}],"balance_after":5285,"derivative":{"underlying":"Ordinary Shares","underlying_shares":5285},"source":{"system":"sec-edgar","filing":"0001418812-18-000008","document":"primary_doc.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1137789/000141881218000008/primary_doc.xml","form_type":"4"}}]}