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In such distribution, 6,626,401 shares of Class A Common Stock were distributed to the Reporting Person, 28,977,707 shares of Class A Common Stock were distributed to The Stagwell Group LLC (\"Stagwell Group\") and the remaining 116,044,633 shares of Class A Common Stock were distributed to another partner."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"The Reporting Person is the controlling person of Stagwell Group and Stagwell Media. Prior to the reported transaction, Stagwell Group directly held 130,000 shares of Class A Common Stock, and Stagwell Media directly held 151,648,741 shares of Class A Common Stock. Following the reported transaction, Stagwell Group directly held 29,107,707 shares of Class A Common Stock, and Stagwell Media directly held zero shares of Class A Common Stock."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"The Reporting Person disclaims beneficial ownership of the securities reported herein except to the extent of his pecuniary interest therein, if any, and this report shall not be deemed an admission that the Reporting Person is the beneficial owner of, or has any pecuniary interest in, such securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose."}],"balance_after":29107707,"source":{"system":"sec-edgar","filing":"0001104659-25-033129","document":"tm2511875-1_4seq1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/876883/000110465925033129/tm2511875-1_4seq1.xml","form_type":"4"}},{"id":1176064,"issuer":{"id":4480,"kind":"organization","name":"Stagwell Inc","symbol":"STGW"},"owners":[{"id":24821,"kind":"person","name":"Penn Mark Jeffery","position":1,"cik":"0001771735","reported_name":"Penn Mark Jeffery","relationship":{"director":true,"officer":true,"ten_percent_owner":true,"other":false,"officer_title":"Chief Executive Officer"}}],"security":"Class A Common Stock","published_at":"2025-04-08T23:00:17.000Z","date":"2025-04-04","kind":"other","planned":false,"acquired":true,"shares":6626401,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"On April 4, 2025, Stagwell Media LP (\"Stagwell Media\") distributed to its partners, on a pro rata basis for no consideration, all of the 151,648,741 shares of Class A Common Stock of the Issuer that it held. In such distribution, 6,626,401 shares of Class A Common Stock were distributed to the Reporting Person, 28,977,707 shares of Class A Common Stock were distributed to The Stagwell Group LLC (\"Stagwell Group\") and the remaining 116,044,633 shares of Class A Common Stock were distributed to another partner."}],"balance_after":8994055,"source":{"system":"sec-edgar","filing":"0001104659-25-033129","document":"tm2511875-1_4seq1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/876883/000110465925033129/tm2511875-1_4seq1.xml","form_type":"4"}},{"id":1185064,"issuer":{"id":4480,"kind":"organization","name":"Stagwell Inc","symbol":"STGW"},"owners":[{"id":24821,"kind":"person","name":"Penn Mark Jeffery","position":1,"cik":"0001771735","reported_name":"Penn Mark Jeffery","relationship":{"director":true,"officer":true,"ten_percent_owner":true,"other":false,"officer_title":"Chief Executive Officer"}}],"security":"Class C Common Stock","published_at":"2025-04-02T23:05:32.000Z","date":"2025-04-02","kind":"exercise","planned":false,"acquired":false,"shares":151648741,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"See Footnote"},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F7","text":"A holder of shares of Class C Common Stock may, at its option, exchange its shares of Class C Common Stock, together with its corresponding interest in a subsidiary of the Issuer (collectively, a \"Paired Equity Interest\"), for shares of Class A Common Stock on a one-for-one basis (i.e., one Paired Equity Interest for one share of Class A Common Stock)."},{"field":"shares","element":"transactionShares","label":"F3","text":"On April 2, 2025, Stagwell Media (as defined and discussed in footnote 4 hereto) exchanged all of its 151,648,741 Paired Equity Interests (as defined and discussed in footnote 7 hereto) for an equal number of shares of Class A Common Stock of the Issuer."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F8","text":"The right of a holder of shares of Class C Common Stock to exchange such shares for Class A Common Stock is not subject to a date exercisable or an expiration date."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F8","text":"The right of a holder of shares of Class C Common Stock to exchange such shares for Class A Common Stock is not subject to a date exercisable or an expiration date."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F4","text":"The Reporting Person is the controlling person of Stagwell Media LP (\"Stagwell Media\"). Following the reported transaction, Stagwell Media holds directly 151,648,741 shares of Class A Common Stock and zero shares of Class C Common Stock."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F6","text":"The Reporting Person disclaims beneficial ownership of the securities reported herein except to the extent of his pecuniary interest therein, if any, and this report shall not be deemed an admission that the Reporting Person is the beneficial owner of, or has any pecuniary interest in, such securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose."}],"balance_after":0,"derivative":{"underlying":"Class A Common","underlying_shares":151648741},"source":{"system":"sec-edgar","filing":"0001104659-25-031307","document":"tm2510911-5_4seq1.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/876883/000110465925031307/tm2510911-5_4seq1.xml","form_type":"4"}},{"id":1185063,"issuer":{"id":4480,"kind":"organization","name":"Stagwell Inc","symbol":"STGW"},"owners":[{"id":24821,"kind":"person","name":"Penn Mark Jeffery","position":1,"cik":"0001771735","reported_name":"Penn Mark Jeffery","relationship":{"director":true,"officer":true,"ten_percent_owner":true,"other":false,"officer_title":"Chief Executive Officer"}}],"security":"Class A Common Stock","published_at":"2025-04-02T23:05:32.000Z","date":"2025-04-02","kind":"exercise","planned":false,"acquired":true,"shares":151648741,"ownership":{"direct":false,"nature":"See Footnote"},"footnotes":[{"field":"shares","element":"transactionShares","label":"F3","text":"On April 2, 2025, Stagwell Media (as defined and discussed in footnote 4 hereto) exchanged all of its 151,648,741 Paired Equity Interests (as defined and discussed in footnote 7 hereto) for an equal number of shares of Class A Common Stock of the Issuer."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"On April 2, 2025, Stagwell Media (as defined and discussed in footnote 4 hereto) exchanged all of its 151,648,741 Paired Equity Interests (as defined and discussed in footnote 7 hereto) for an equal number of shares of Class A Common Stock of the Issuer."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F4","text":"The Reporting Person is the controlling person of Stagwell Media LP (\"Stagwell Media\"). Following the reported transaction, Stagwell Media holds directly 151,648,741 shares of Class A Common Stock and zero shares of Class C Common Stock."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F5","text":"The Reporting Person is the controlling person of The Stagwell Group LLC (\"Stagwell Group\"). Stagwell Group holds directly 130,000 shares of Class A Common Stock of the Issuer."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F6","text":"The Reporting Person disclaims beneficial ownership of the securities reported herein except to the extent of his pecuniary interest therein, if any, and this report shall not be deemed an admission that the Reporting Person is the beneficial owner of, or has any pecuniary interest in, such securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose."}],"balance_after":151778741,"source":{"system":"sec-edgar","filing":"0001104659-25-031307","document":"tm2510911-5_4seq1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/876883/000110465925031307/tm2510911-5_4seq1.xml","form_type":"4"}},{"id":1185062,"issuer":{"id":4480,"kind":"organization","name":"Stagwell 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stock."}],"balance_after":2367654,"source":{"system":"sec-edgar","filing":"0001104659-25-031307","document":"tm2510911-5_4seq1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/876883/000110465925031307/tm2510911-5_4seq1.xml","form_type":"4"}},{"id":1185061,"issuer":{"id":4480,"kind":"organization","name":"Stagwell Inc","symbol":"STGW"},"owners":[{"id":24821,"kind":"person","name":"Penn Mark Jeffery","position":1,"cik":"0001771735","reported_name":"Penn Mark Jeffery","relationship":{"director":true,"officer":true,"ten_percent_owner":true,"other":false,"officer_title":"Chief Executive Officer"}}],"security":"Class A Common Stock","published_at":"2025-04-02T23:05:32.000Z","date":"2025-03-31","kind":"disposition_to_issuer","planned":false,"acquired":false,"shares":106746,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents shares of restricted stock forfeited to the Issuer in connection with the partial vesting of a restricted stock award."}],"balance_after":2559008,"source":{"system":"sec-edgar","filing":"0001104659-25-031307","document":"tm2510911-5_4seq1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/876883/000110465925031307/tm2510911-5_4seq1.xml","form_type":"4"}},{"id":1213559,"issuer":{"id":4480,"kind":"organization","name":"Stagwell Inc","symbol":"STGW"},"owners":[{"id":24821,"kind":"person","name":"Penn Mark Jeffery","position":1,"cik":"0001771735","reported_name":"Penn Mark Jeffery","relationship":{"director":true,"officer":true,"ten_percent_owner":true,"other":false,"officer_title":"Chief Executive Officer"}}],"security":"Class A Common Stock","published_at":"2025-03-11T22:30:30.000Z","date":"2025-03-08","kind":"tax_withholding","planned":false,"acquired":false,"shares":54817,"price":6.23,"value":341509.91,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F2","text":"Represents shares withheld by the issuer to satisfy tax withholding requirements on the nonreportable vesting of restricted stock units."}],"balance_after":2665754,"source":{"system":"sec-edgar","filing":"0001104659-25-022636","document":"tm258837-2_4seq1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/876883/000110465925022636/tm258837-2_4seq1.xml","form_type":"4"}},{"id":1213558,"issuer":{"id":4480,"kind":"organization","name":"Stagwell 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Each restricted stock unit represents the right to receive one share of Class A common stock of the Issuer upon vesting. The restricted stock units will vest on March 7, 2026, subject to the Reporting Person's continued service through such date."}],"balance_after":2720571,"source":{"system":"sec-edgar","filing":"0001104659-25-022636","document":"tm258837-2_4seq1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/876883/000110465925022636/tm258837-2_4seq1.xml","form_type":"4"}},{"id":1555043,"issuer":{"id":4480,"kind":"organization","name":"Stagwell Inc","symbol":"STGW"},"owners":[{"id":24821,"kind":"person","name":"Penn Mark Jeffery","position":1,"cik":"0001771735","reported_name":"Penn Mark Jeffery","relationship":{"director":true,"officer":true,"ten_percent_owner":true,"other":false,"officer_title":"Chief Executive Officer"}}],"security":"Class A Common Stock","published_at":"2024-04-02T22:35:29.000Z","date":"2024-03-31","kind":"tax_withholding","planned":false,"acquired":false,"shares":162122,"price":6.22,"value":1008398.84,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents shares withheld by the issuer to satisfy tax withholding requirements on the nonreportable vesting of restricted stock."}],"balance_after":2528838,"source":{"system":"sec-edgar","filing":"0001104659-24-042703","document":"tm2410581-6_4seq1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/876883/000110465924042703/tm2410581-6_4seq1.xml","form_type":"4"}},{"id":1582649,"issuer":{"id":4480,"kind":"organization","name":"Stagwell Inc","symbol":"STGW"},"owners":[{"id":24821,"kind":"person","name":"Penn Mark Jeffery","position":1,"cik":"0001771735","reported_name":"Penn Mark Jeffery","relationship":{"director":true,"officer":true,"ten_percent_owner":true,"other":false,"officer_title":"Chief Executive Officer"}}],"security":"Class A Common Stock","published_at":"2024-03-12T23:40:28.000Z","date":"2024-03-08","kind":"grant","planned":false,"acquired":true,"shares":200491,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"security","element":"securityTitle","label":"F1","text":"The security represents restricted stock units awarded to the Reporting Person on March 8, 2024. Each restricted stock unit represents the right to receive one share of Class A common stock of the Issuer upon vesting. The restricted stock units will vest on March 8, 2025, subject to the Reporting Person's continued service through such date."},{"field":"shares","element":"transactionShares","label":"F1","text":"The security represents restricted stock units awarded to the Reporting Person on March 8, 2024. Each restricted stock unit represents the right to receive one share of Class A common stock of the Issuer upon vesting. The restricted stock units will vest on March 8, 2025, subject to the Reporting Person's continued service through such date."}],"balance_after":2690960,"source":{"system":"sec-edgar","filing":"0001104659-24-033592","document":"tm248662-6_4seq1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/876883/000110465924033592/tm248662-6_4seq1.xml","form_type":"4"}},{"id":1611052,"issuer":{"id":4480,"kind":"organization","name":"Stagwell Inc","symbol":"STGW"},"owners":[{"id":24821,"kind":"person","name":"Penn Mark Jeffery","position":1,"cik":"0001771735","reported_name":"Penn Mark Jeffery","relationship":{"director":true,"officer":true,"ten_percent_owner":true,"other":false,"officer_title":"Chief Executive Officer"}}],"security":"Class A Common Stock","published_at":"2024-03-01T00:19:50.000Z","date":"2024-02-29","kind":"purchase","planned":false,"acquired":true,"shares":10000,"price":5.2759,"value":52759.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"The purchase price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $5.265 to $5.28, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth in this footnote."},{"field":"price","element":"transactionPricePerShare","label":"F1","text":"The purchase price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $5.265 to $5.28, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth in this footnote."}],"balance_after":2490469,"source":{"system":"sec-edgar","filing":"0001104659-24-029494","document":"tm247678-1_4seq1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/876883/000110465924029494/tm247678-1_4seq1.xml","form_type":"4"}},{"id":1613526,"issuer":{"id":4480,"kind":"organization","name":"Stagwell Inc","symbol":"STGW"},"owners":[{"id":24821,"kind":"person","name":"Penn Mark Jeffery","position":1,"cik":"0001771735","reported_name":"Penn Mark Jeffery","relationship":{"director":true,"officer":true,"ten_percent_owner":true,"other":false,"officer_title":"Chief Executive Officer"}}],"security":"Class A Common Stock","published_at":"2024-02-29T00:48:52.000Z","date":"2024-02-28","kind":"purchase","planned":false,"acquired":true,"shares":10000,"price":5.2,"value":52000.0,"ownership":{"direct":true},"balance_after":2480469,"source":{"system":"sec-edgar","filing":"0001104659-24-028879","document":"tm247555-2_4seq1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/876883/000110465924028879/tm247555-2_4seq1.xml","form_type":"4"}},{"id":1617316,"issuer":{"id":4480,"kind":"organization","name":"Stagwell Inc","symbol":"STGW"},"owners":[{"id":24821,"kind":"person","name":"Penn Mark Jeffery","position":1,"cik":"0001771735","reported_name":"Penn Mark Jeffery","relationship":{"director":true,"officer":true,"ten_percent_owner":true,"other":false,"officer_title":"Chief Executive Officer"}}],"security":"Class A Common Stock","published_at":"2024-02-28T00:03:05.000Z","date":"2024-02-23","kind":"tax_withholding","planned":false,"acquired":false,"shares":70024,"price":6.9,"value":483165.6,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents shares withheld by the issuer to satisfy tax withholding requirements on the nonreportable vesting of restricted stock."}],"balance_after":2470469,"source":{"system":"sec-edgar","filing":"0001104659-24-028330","document":"tm247421-5_4seq1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/876883/000110465924028330/tm247421-5_4seq1.xml","form_type":"4"}},{"id":1652254,"issuer":{"id":4480,"kind":"organization","name":"Stagwell Inc","symbol":"STGW"},"owners":[{"id":24821,"kind":"person","name":"Penn Mark Jeffery","position":1,"cik":"0001771735","reported_name":"Penn Mark Jeffery","relationship":{"director":true,"officer":true,"ten_percent_owner":true,"other":false,"officer_title":"Chief Executive Officer"}}],"security":"Class C Common Stock","published_at":"2024-02-09T23:00:25.000Z","date":"2023-05-10","kind":"exercise","planned":false,"acquired":false,"shares":9260317,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"See Footnote"},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"On May 10, 2023, Stagwell Media LP (\"Stagwell Media\") exchanged 9,260,317 Paired Equity Interests (as defined and discussed in footnote 6 hereto) for an equal number of shares of Class A Common Stock of the Issuer and distributed such shares to certain of its limited partners for no consideration. Following such distribution, Stagwell Media directly held zero shares of Class A Common Stock of the Issuer."},{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F6","text":"Held by Stagwell Media. The shares of Class C Common Stock are voting-only shares that have no economic interest in the Issuer and are not registered or listed shares. The holder of Class C Common Stock may, at its option, exchange its Class C Common Stock, together with its corresponding economic interest in a wholly-owned subsidiary of the Issuer (collectively, a \"Paired Equity Interest\"), for shares of Class A Common Stock on a one-for-one basis (i.e., one Paired Equity Interest for one share of Class A Common Stock)."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F6","text":"Held by Stagwell Media. The shares of Class C Common Stock are voting-only shares that have no economic interest in the Issuer and are not registered or listed shares. The holder of Class C Common Stock may, at its option, exchange its Class C Common Stock, together with its corresponding economic interest in a wholly-owned subsidiary of the Issuer (collectively, a \"Paired Equity Interest\"), for shares of Class A Common Stock on a one-for-one basis (i.e., one Paired Equity Interest for one share of Class A Common Stock)."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F7","text":"The right of any holder of the Class C Common Stock to exchange such shares for Class A Common Stock is not subject to an expiration date."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F7","text":"The right of any holder of the Class C Common Stock to exchange such shares for Class A Common Stock is not subject to an expiration date."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F4","text":"The Reporting Person disclaims beneficial ownership of the securities reported herein except to the extent of his pecuniary interest therein, if any, and this report shall not be deemed an admission that the Reporting Person is the beneficial owner of, or has any pecuniary interest in, such securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F6","text":"Held by Stagwell Media. The shares of Class C Common Stock are voting-only shares that have no economic interest in the Issuer and are not registered or listed shares. The holder of Class C Common Stock may, at its option, exchange its Class C Common Stock, together with its corresponding economic interest in a wholly-owned subsidiary of the Issuer (collectively, a \"Paired Equity Interest\"), for shares of Class A Common Stock on a one-for-one basis (i.e., one Paired Equity Interest for one share of Class A Common Stock)."}],"balance_after":151648741,"derivative":{"underlying":"Class A Common Stock","underlying_shares":9260317},"source":{"system":"sec-edgar","filing":"0001104659-24-013467","document":"tm245550-1_5seq1.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/876883/000110465924013467/tm245550-1_5seq1.xml","form_type":"5"}},{"id":1652253,"issuer":{"id":4480,"kind":"organization","name":"Stagwell Inc","symbol":"STGW"},"owners":[{"id":24821,"kind":"person","name":"Penn Mark Jeffery","position":1,"cik":"0001771735","reported_name":"Penn Mark Jeffery","relationship":{"director":true,"officer":true,"ten_percent_owner":true,"other":false,"officer_title":"Chief Executive Officer"}}],"security":"Class A Common Stock","published_at":"2024-02-09T23:00:25.000Z","date":"2023-05-15","kind":"other","planned":false,"acquired":false,"shares":14067837,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"See Footnote"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F5","text":"On May 15, 2023, Agency Holdings distributed 14,067,837 shares of Class A Common Stock of the Issuer to certain limited partners of Stagwell Media for no consideration. Following such distribution, Agency Holdings directly held zero shares of Class A Common Stock of the Issuer."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"The Reporting Person is the controlling person of The Stagwell Group LLC (\"Stagwell Group\"). Stagwell Group is the general partner and manager of Stagwell Media and is the manager of Stagwell Agency Holdings LLC (\"Agency Holdings\"), which is a subsidiary of Stagwell Media. As of December 31, 2023, Stagwell Group directly held 130,000 shares of Class A Common Stock of the Issuer, and each of Stagwell Media and Agency Holdings directly held zero shares of Class A Common Stock of the Issuer."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"Amounts reported in rows 1 and 2 of column 5 also reflect (i) the aggregate of 9,260,317 shares of Class A Common Stock of the Issuer acquired by Stagwell Media upon the exchange of an equal number of Paired Equity Interests and distributed on May 10, 2023 to certain limited partners of Stagwell Media for no consideration, as discussed in footnote 1 hereto, and (ii) the aggregate of 14,067,837 shares of Class A Common Stock of the Issuer distributed on May 15, 2023 to certain limited partners of Stagwell Media by Agency Holdings for no consideration, as discussed in footnote 5 hereto."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F4","text":"The Reporting Person disclaims beneficial ownership of the securities reported herein except to the extent of his pecuniary interest therein, if any, and this report shall not be deemed an admission that the Reporting Person is the beneficial owner of, or has any pecuniary interest in, such securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose."}],"balance_after":130000,"source":{"system":"sec-edgar","filing":"0001104659-24-013467","document":"tm245550-1_5seq1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/876883/000110465924013467/tm245550-1_5seq1.xml","form_type":"5"}},{"id":1652252,"issuer":{"id":4480,"kind":"organization","name":"Stagwell Inc","symbol":"STGW"},"owners":[{"id":24821,"kind":"person","name":"Penn Mark Jeffery","position":1,"cik":"0001771735","reported_name":"Penn Mark Jeffery","relationship":{"director":true,"officer":true,"ten_percent_owner":true,"other":false,"officer_title":"Chief Executive Officer"}}],"security":"Class A Common Stock","published_at":"2024-02-09T23:00:25.000Z","date":"2023-05-10","kind":"other","planned":false,"acquired":false,"shares":9260317,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"See Footnote"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"On May 10, 2023, Stagwell Media LP (\"Stagwell Media\") exchanged 9,260,317 Paired Equity Interests (as defined and discussed in footnote 6 hereto) for an equal number of shares of Class A Common Stock of the Issuer and distributed such shares to certain of its limited partners for no consideration. Following such distribution, Stagwell Media directly held zero shares of Class A Common Stock of the Issuer."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"The Reporting Person is the controlling person of The Stagwell Group LLC (\"Stagwell Group\"). Stagwell Group is the general partner and manager of Stagwell Media and is the manager of Stagwell Agency Holdings LLC (\"Agency Holdings\"), which is a subsidiary of Stagwell Media. 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Following such distribution, Stagwell Media directly held zero shares of Class A Common Stock of the Issuer."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"The Reporting Person is the controlling person of The Stagwell Group LLC (\"Stagwell Group\"). Stagwell Group is the general partner and manager of Stagwell Media and is the manager of Stagwell Agency Holdings LLC (\"Agency Holdings\"), which is a subsidiary of Stagwell Media. 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This amount represents the $6.75 secondary public offering price per share of Class A Common Stock of the Issuer, less the underwriting discount of $0.320625 per share sold in the Secondary Offering."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"The Reporting Person is the controlling person of The Stagwell Group LLC (\"Stagwell Group\"). Stagwell Group directly holds 130,000 shares of Class A Common Stock of the Issuer. Stagwell Group is the manager of Stagwell Agency Holdings LLC, which directly holds 14,067,837 shares of Class A Common Stock of the Issuer following the reported transaction. The Reporting Person disclaims beneficial ownership of the securities reported herein except to the extent of his pecuniary interest therein, if any, and this report shall not be deemed an admission that the Reporting Person is the beneficial owner of, or has any pecuniary interest in, such securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose."}],"balance_after":14197837,"source":{"system":"sec-edgar","filing":"0001104659-23-035617","document":"tm2310293-1_4seq1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/876883/000110465923035617/tm2310293-1_4seq1.xml","form_type":"4"}},{"id":1955420,"issuer":{"id":4480,"kind":"organization","name":"Stagwell Inc","symbol":"STGW"},"owners":[{"id":24821,"kind":"person","name":"Penn Mark Jeffery","position":1,"cik":"0001771735","reported_name":"Penn Mark Jeffery","relationship":{"director":true,"officer":true,"ten_percent_owner":true,"other":false,"officer_title":"Chief Executive Officer"}}],"security":"Class A Common Stock","published_at":"2023-03-14T20:16:05.000Z","date":"2023-03-14","kind":"sale","acquired":false,"shares":12000000,"price":6.4294,"value":77152800.0,"ownership":{"direct":false,"nature":"See Footnote"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"The reported securities were sold by Stagwell Agency Holdings LLC in an underwritten public offering (the \"Secondary Offering\"). This amount represents the $6.75 secondary public offering price per share of Class A Common Stock of the Issuer, less the underwriting discount of $0.320625 per share sold in the Secondary Offering."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"The Reporting Person is the controlling person of The Stagwell Group LLC (\"Stagwell Group\"). Stagwell Group directly holds 130,000 shares of Class A Common Stock of the Issuer. Stagwell Group is the manager of Stagwell Agency Holdings LLC, which directly holds 14,372,414 shares of Class A Common Stock of the Issuer following the reported transaction. The Reporting Person disclaims beneficial ownership of the securities reported herein except to the extent of his pecuniary interest therein, if any, and this report shall not be deemed an admission that the Reporting Person is the beneficial owner of, or has any pecuniary interest in, such securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose."}],"balance_after":14502414,"source":{"system":"sec-edgar","filing":"0001104659-23-032289","document":"tm239523-2_4seq1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/876883/000110465923032289/tm239523-2_4seq1.xml","form_type":"4"}},{"id":1981537,"issuer":{"id":4480,"kind":"organization","name":"Stagwell Inc","symbol":"STGW"},"owners":[{"id":24821,"kind":"person","name":"Penn Mark Jeffery","position":1,"cik":"0001771735","reported_name":"Penn Mark Jeffery","relationship":{"director":true,"officer":true,"ten_percent_owner":true,"other":false,"officer_title":"Chief Executive Officer"}}],"security":"Stock Appreciation Rights","published_at":"2023-03-03T02:01:56.000Z","date":"2023-03-01","kind":"grant","acquired":true,"shares":225000,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"security","element":"securityTitle","label":"F3","text":"Stock Appreciation Rights (SARS) granted March 1, 2023 to the Reporting Person vest and are exercisable in three equal installments (each consisting of 75,000 underlying shares of Class A Common Stock) on each of the first three (3) anniversaries of the grant date, and expire on the fifth anniversary of the grant date."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F3","text":"Stock Appreciation Rights (SARS) granted March 1, 2023 to the Reporting Person vest and are exercisable in three equal installments (each consisting of 75,000 underlying shares of Class A Common Stock) on each of the first three (3) anniversaries of the grant date, and expire on the fifth anniversary of the grant date."}],"balance_after":225000,"derivative":{"exercise_price":6.79,"exercise_date":"2024-03-01","expiration_date":"2028-03-01","underlying":"Class A Common Stock","underlying_shares":225000},"source":{"system":"sec-edgar","filing":"0001104659-23-028098","document":"tm238359-3_4seq1.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/876883/000110465923028098/tm238359-3_4seq1.xml","form_type":"4"}},{"id":1981536,"issuer":{"id":4480,"kind":"organization","name":"Stagwell Inc","symbol":"STGW"},"owners":[{"id":24821,"kind":"person","name":"Penn Mark Jeffery","position":1,"cik":"0001771735","reported_name":"Penn Mark Jeffery","relationship":{"director":true,"officer":true,"ten_percent_owner":true,"other":false,"officer_title":"Chief Executive Officer"}}],"security":"Class A Common Stock","published_at":"2023-03-03T02:01:56.000Z","date":"2023-02-28","kind":"tax_withholding","acquired":false,"shares":63655,"price":6.87,"value":437309.85,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents shares withheld by the issuer to satisfy tax withholding requirements on the nonreportable vesting of restricted stock."}],"balance_after":2317924,"source":{"system":"sec-edgar","filing":"0001104659-23-028098","document":"tm238359-3_4seq1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/876883/000110465923028098/tm238359-3_4seq1.xml","form_type":"4"}},{"id":1991445,"issuer":{"id":4480,"kind":"organization","name":"Stagwell Inc","symbol":"STGW"},"owners":[{"id":24821,"kind":"person","name":"Penn Mark Jeffery","position":1,"cik":"0001771735","reported_name":"Penn Mark Jeffery","relationship":{"director":true,"officer":true,"ten_percent_owner":true,"other":false,"officer_title":"Chief Executive Officer"}}],"security":"Class A Common Stock","published_at":"2023-02-28T00:49:21.000Z","date":"2023-02-23","kind":"grant","acquired":true,"shares":640988,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F2","text":"Represents restricted shares of Class A Common Stock of the issuer awarded to the Reporting Person on February 23, 2023. The restricted shares will vest on March 31, 2026, subject to the achievement of Company financial performance targets and the Reporting Person's continued service through such date."}],"balance_after":2381579,"source":{"system":"sec-edgar","filing":"0001104659-23-026197","document":"tm237946-6_4seq1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/876883/000110465923026197/tm237946-6_4seq1.xml","form_type":"4"}},{"id":1991444,"issuer":{"id":4480,"kind":"organization","name":"Stagwell Inc","symbol":"STGW"},"owners":[{"id":24821,"kind":"person","name":"Penn Mark Jeffery","position":1,"cik":"0001771735","reported_name":"Penn Mark Jeffery","relationship":{"director":true,"officer":true,"ten_percent_owner":true,"other":false,"officer_title":"Chief Executive Officer"}}],"security":"Class A Common Stock","published_at":"2023-02-28T00:49:21.000Z","date":"2023-02-23","kind":"grant","acquired":true,"shares":177951,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents restricted shares of Class A Common Stock of the issuer awarded to the Reporting Person on February 23, 2023. The restricted shares will vest on February 23, 2024, subject to the Reporting Person's continued service through such date."}],"balance_after":1740591,"source":{"system":"sec-edgar","filing":"0001104659-23-026197","document":"tm237946-6_4seq1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/876883/000110465923026197/tm237946-6_4seq1.xml","form_type":"4"}},{"id":2064217,"issuer":{"id":4480,"kind":"organization","name":"Stagwell Inc","symbol":"STGW"},"owners":[{"id":24821,"kind":"person","name":"Penn Mark Jeffery","position":1,"cik":"0001771735","reported_name":"Penn Mark Jeffery","relationship":{"director":true,"officer":true,"ten_percent_owner":true,"other":false,"officer_title":"Chief Executive Officer"}}],"security":"Class A Common Stock","published_at":"2023-01-06T01:01:21.000Z","date":"2023-01-03","kind":"tax_withholding","acquired":false,"shares":193207,"price":6.21,"value":1199815.47,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents shares withheld by the issuer to satisfy tax withholding requirements on the nonreportable vesting of restricted stock."}],"balance_after":1562640,"source":{"system":"sec-edgar","filing":"0001104659-23-001593","document":"tm232295-3_4seq1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/876883/000110465923001593/tm232295-3_4seq1.xml","form_type":"4"}},{"id":2073520,"issuer":{"id":4480,"kind":"organization","name":"Stagwell Inc","symbol":"STGW"},"owners":[{"id":24821,"kind":"person","name":"Penn Mark Jeffery","position":1,"cik":"0001771735","reported_name":"Penn Mark Jeffery","relationship":{"director":true,"officer":true,"ten_percent_owner":true,"other":false,"officer_title":"Chief Executive Officer"}}],"security":"Class C Common Stock","published_at":"2023-01-03T23:00:29.000Z","date":"2022-12-31","kind":"exercise","acquired":false,"shares":3466624,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"See Footnote"},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F4","text":"The Reporting Person is the controlling person of Stagwell Media LP (\"Stagwell Media\"). Stagwell Media directly holds 160,909,058 shares of Class C Common Stock of the Issuer. Stagwell Media is the manager of Stagwell Friends and Family LLC (\"Stagwell Friends and Family\"), which directly holds zero shares of Class C Common Stock of the Issuer following the reported transaction. The shares of Class C Common Stock are voting-only shares that have no economic interest in the Issuer and are not registered or listed shares. The holder of Class C Common Stock may, at its option, exchange its Class C Common Stock, together with its corresponding economic interest in a wholly-owned subsidiary of the Issuer (collectively, a \"Paired Equity Interest\"), for shares of Class A Common Stock on a one-for-one basis (i.e., one Paired Equity Interest for one share of Class A Common Stock)."},{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F5","text":"The Reporting Person disclaims beneficial ownership of the securities reported herein except to the extent of his pecuniary interest therein, if any, and this report shall not be deemed an admission that the Reporting Person is the beneficial owner of, or has any pecuniary interest in, such securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F4","text":"The Reporting Person is the controlling person of Stagwell Media LP (\"Stagwell Media\"). Stagwell Media directly holds 160,909,058 shares of Class C Common Stock of the Issuer. Stagwell Media is the manager of Stagwell Friends and Family LLC (\"Stagwell Friends and Family\"), which directly holds zero shares of Class C Common Stock of the Issuer following the reported transaction. The shares of Class C Common Stock are voting-only shares that have no economic interest in the Issuer and are not registered or listed shares. The holder of Class C Common Stock may, at its option, exchange its Class C Common Stock, together with its corresponding economic interest in a wholly-owned subsidiary of the Issuer (collectively, a \"Paired Equity Interest\"), for shares of Class A Common Stock on a one-for-one basis (i.e., one Paired Equity Interest for one share of Class A Common Stock)."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F5","text":"The Reporting Person disclaims beneficial ownership of the securities reported herein except to the extent of his pecuniary interest therein, if any, and this report shall not be deemed an admission that the Reporting Person is the beneficial owner of, or has any pecuniary interest in, such securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F6","text":"The right of any holder of the Class C Common Stock to exchange such shares for Class A Common Stock is not subject to an expiration date."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F4","text":"The Reporting Person is the controlling person of Stagwell Media LP (\"Stagwell Media\"). Stagwell Media directly holds 160,909,058 shares of Class C Common Stock of the Issuer. Stagwell Media is the manager of Stagwell Friends and Family LLC (\"Stagwell Friends and Family\"), which directly holds zero shares of Class C Common Stock of the Issuer following the reported transaction. The shares of Class C Common Stock are voting-only shares that have no economic interest in the Issuer and are not registered or listed shares. The holder of Class C Common Stock may, at its option, exchange its Class C Common Stock, together with its corresponding economic interest in a wholly-owned subsidiary of the Issuer (collectively, a \"Paired Equity Interest\"), for shares of Class A Common Stock on a one-for-one basis (i.e., one Paired Equity Interest for one share of Class A Common Stock)."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F5","text":"The Reporting Person disclaims beneficial ownership of the securities reported herein except to the extent of his pecuniary interest therein, if any, and this report shall not be deemed an admission that the Reporting Person is the beneficial owner of, or has any pecuniary interest in, such securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose."}],"balance_after":160909058,"derivative":{"underlying":"Class A Common Stock","underlying_shares":3466624},"source":{"system":"sec-edgar","filing":"0001104659-23-000471","document":"tm2233403-2_4seq1.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/876883/000110465923000471/tm2233403-2_4seq1.xml","form_type":"4"}},{"id":2073519,"issuer":{"id":4480,"kind":"organization","name":"Stagwell Inc","symbol":"STGW"},"owners":[{"id":24821,"kind":"person","name":"Penn Mark Jeffery","position":1,"cik":"0001771735","reported_name":"Penn Mark Jeffery","relationship":{"director":true,"officer":true,"ten_percent_owner":true,"other":false,"officer_title":"Chief Executive Officer"}}],"security":"Class A Common Stock","published_at":"2023-01-03T23:00:29.000Z","date":"2022-12-31","kind":"other","acquired":false,"shares":3466624,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"See Footnote"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"On December 31, 2022, Stagwell Media and Stagwell Friends and Family (each as defined and discussed in footnote 4 hereto) exchanged 3,466,624 Paired Equity Interests (as defined and discussed in footnote 4 hereto) for an equal number of shares of Class A Common Stock of the Issuer and distributed such shares to certain of their limited partners and members for no consideration."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"The Reporting Person is the controlling person of The Stagwell Group LLC (\"Stagwell Group\"). Stagwell Group directly holds 130,000 shares of Class A Common Stock of the Issuer. Stagwell Group is the manager of Stagwell Agency Holdings LLC, which directly holds 26,372,414 shares of Class A Common Stock of the Issuer. Amounts reported also reflect an aggregate of 3,466,624 shares of Class A Common Stock of the Issuer acquired upon the exchange of an equal number of Paired Equity Interests by Stagwell Media and Stagwell Friends and Family and distributed to limited partners and members of Stagwell Media and Stagwell Friends and Family for no consideration."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"The Reporting Person disclaims beneficial ownership of the securities reported herein except to the extent of his pecuniary interest therein, if any, and this report shall not be deemed an admission that the Reporting Person is the beneficial owner of, or has any pecuniary interest in, such securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose."}],"balance_after":26502414,"source":{"system":"sec-edgar","filing":"0001104659-23-000471","document":"tm2233403-2_4seq1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/876883/000110465923000471/tm2233403-2_4seq1.xml","form_type":"4"}},{"id":2073518,"issuer":{"id":4480,"kind":"organization","name":"Stagwell Inc","symbol":"STGW"},"owners":[{"id":24821,"kind":"person","name":"Penn Mark Jeffery","position":1,"cik":"0001771735","reported_name":"Penn Mark Jeffery","relationship":{"director":true,"officer":true,"ten_percent_owner":true,"other":false,"officer_title":"Chief Executive Officer"}}],"security":"Class A Common Stock","published_at":"2023-01-03T23:00:29.000Z","date":"2022-12-31","kind":"exercise","acquired":true,"shares":3466624,"ownership":{"direct":false,"nature":"See Footnote"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"On December 31, 2022, Stagwell Media and Stagwell Friends and Family (each as defined and discussed in footnote 4 hereto) exchanged 3,466,624 Paired Equity Interests (as defined and discussed in footnote 4 hereto) for an equal number of shares of Class A Common Stock of the Issuer and distributed such shares to certain of their limited partners and members for no consideration."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"The Reporting Person is the controlling person of The Stagwell Group LLC (\"Stagwell Group\"). Stagwell Group directly holds 130,000 shares of Class A Common Stock of the Issuer. Stagwell Group is the manager of Stagwell Agency Holdings LLC, which directly holds 26,372,414 shares of Class A Common Stock of the Issuer. Amounts reported also reflect an aggregate of 3,466,624 shares of Class A Common Stock of the Issuer acquired upon the exchange of an equal number of Paired Equity Interests by Stagwell Media and Stagwell Friends and Family and distributed to limited partners and members of Stagwell Media and Stagwell Friends and Family for no consideration."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"The Reporting Person disclaims beneficial ownership of the securities reported herein except to the extent of his pecuniary interest therein, if any, and this report shall not be deemed an admission that the Reporting Person is the beneficial owner of, or has any pecuniary interest in, such securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose."}],"balance_after":29969038,"source":{"system":"sec-edgar","filing":"0001104659-23-000471","document":"tm2233403-2_4seq1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/876883/000110465923000471/tm2233403-2_4seq1.xml","form_type":"4"}},{"id":2074606,"issuer":{"id":4480,"kind":"organization","name":"Stagwell Inc","symbol":"STGW"},"owners":[{"id":24821,"kind":"person","name":"Penn Mark Jeffery","position":1,"cik":"0001771735","reported_name":"Penn Mark Jeffery","relationship":{"director":true,"officer":true,"ten_percent_owner":true,"other":false,"officer_title":"Chief Executive Officer"}}],"security":"Class C Common Stock","published_at":"2022-12-30T22:02:04.000Z","date":"2022-09-30","kind":"exercise","acquired":false,"shares":25553,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"See Footnote"},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F4","text":"The Reporting Person is the controlling person of Stagwell Media LP (\"Stagwell Media\"). Stagwell Media directly holds 160,909,058 shares of Class C Common Stock of the Issuer. Stagwell Media is the manager of Stagwell Friends and Family LLC (\"Stagwell Friends and Family\"), which directly holds 3,466,624 shares of Class C Common Stock of the Issuer. The shares of Class C Common Stock are voting-only shares that have no economic interest in the Issuer and are not registered or listed shares. The holder of Class C Common Stock may, at its option, exchange its Class C Common Stock, together with its corresponding economic interest in a wholly-owned subsidiary of the Issuer (collectively, a \"Paired Equity Interest\"), for shares of Class A Common Stock on a one-for-one basis (i.e., one Paired Equity Interest for one share of Class A Common Stock)."},{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F5","text":"The Reporting Person disclaims beneficial ownership of the securities reported herein except to the extent of his pecuniary interest therein, if any, and this report shall not be deemed an admission that the Reporting Person is the beneficial owner of, or has any pecuniary interest in, such securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F4","text":"The Reporting Person is the controlling person of Stagwell Media LP (\"Stagwell Media\"). Stagwell Media directly holds 160,909,058 shares of Class C Common Stock of the Issuer. Stagwell Media is the manager of Stagwell Friends and Family LLC (\"Stagwell Friends and Family\"), which directly holds 3,466,624 shares of Class C Common Stock of the Issuer. The shares of Class C Common Stock are voting-only shares that have no economic interest in the Issuer and are not registered or listed shares. The holder of Class C Common Stock may, at its option, exchange its Class C Common Stock, together with its corresponding economic interest in a wholly-owned subsidiary of the Issuer (collectively, a \"Paired Equity Interest\"), for shares of Class A Common Stock on a one-for-one basis (i.e., one Paired Equity Interest for one share of Class A Common Stock)."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F5","text":"The Reporting Person disclaims beneficial ownership of the securities reported herein except to the extent of his pecuniary interest therein, if any, and this report shall not be deemed an admission that the Reporting Person is the beneficial owner of, or has any pecuniary interest in, such securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F6","text":"The right of any holder of the Class C Common Stock to exchange such shares for Class A Common Stock is not subject to an expiration date."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F4","text":"The Reporting Person is the controlling person of Stagwell Media LP (\"Stagwell Media\"). Stagwell Media directly holds 160,909,058 shares of Class C Common Stock of the Issuer. Stagwell Media is the manager of Stagwell Friends and Family LLC (\"Stagwell Friends and Family\"), which directly holds 3,466,624 shares of Class C Common Stock of the Issuer. The shares of Class C Common Stock are voting-only shares that have no economic interest in the Issuer and are not registered or listed shares. The holder of Class C Common Stock may, at its option, exchange its Class C Common Stock, together with its corresponding economic interest in a wholly-owned subsidiary of the Issuer (collectively, a \"Paired Equity Interest\"), for shares of Class A Common Stock on a one-for-one basis (i.e., one Paired Equity Interest for one share of Class A Common Stock)."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F5","text":"The Reporting Person disclaims beneficial ownership of the securities reported herein except to the extent of his pecuniary interest therein, if any, and this report shall not be deemed an admission that the Reporting Person is the beneficial owner of, or has any pecuniary interest in, such securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose."}],"balance_after":164375682,"derivative":{"underlying":"Class A Common Stock","underlying_shares":25553},"source":{"system":"sec-edgar","filing":"0001104659-22-131399","document":"tm2233403-1_4seq1.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/876883/000110465922131399/tm2233403-1_4seq1.xml","form_type":"4"}},{"id":2074605,"issuer":{"id":4480,"kind":"organization","name":"Stagwell Inc","symbol":"STGW"},"owners":[{"id":24821,"kind":"person","name":"Penn Mark Jeffery","position":1,"cik":"0001771735","reported_name":"Penn Mark Jeffery","relationship":{"director":true,"officer":true,"ten_percent_owner":true,"other":false,"officer_title":"Chief Executive Officer"}}],"security":"Class A Common Stock","published_at":"2022-12-30T22:02:04.000Z","date":"2022-09-30","kind":"other","acquired":false,"shares":25553,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"See Footnote"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"On September 30, 2022, Stagwell Media and Stagwell Friends and Family (each as defined and discussed in footnote 4 hereto) exchanged 25,553 Paired Equity Interests (as defined and discussed in footnote 4 hereto) for an equal number of shares of Class A Common Stock of the Issuer and distributed such shares to certain of their limited partners and members for no consideration."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"The Reporting Person is the controlling person of The Stagwell Group LLC (\"Stagwell Group\"). Stagwell Group directly holds 130,000 shares of Class A Common Stock of the Issuer. Stagwell Group is the manager of Stagwell Agency Holdings LLC, which directly holds 26,372,414 shares of Class A Common Stock of the Issuer. Amounts reported also reflect an aggregate of 25,553 shares of Class A Common Stock of the Issuer acquired upon the exchange of an equal number of Paired Equity Interests by Stagwell Media and Stagwell Friends and Family and distributed to limited partners and members of Stagwell Media and Stagwell Friends and Family for no consideration."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"The Reporting Person disclaims beneficial ownership of the securities reported herein except to the extent of his pecuniary interest therein, if any, and this report shall not be deemed an admission that the Reporting Person is the beneficial owner of, or has any pecuniary interest in, such securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose."}],"balance_after":26502414,"source":{"system":"sec-edgar","filing":"0001104659-22-131399","document":"tm2233403-1_4seq1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/876883/000110465922131399/tm2233403-1_4seq1.xml","form_type":"4"}},{"id":2074604,"issuer":{"id":4480,"kind":"organization","name":"Stagwell Inc","symbol":"STGW"},"owners":[{"id":24821,"kind":"person","name":"Penn Mark Jeffery","position":1,"cik":"0001771735","reported_name":"Penn Mark Jeffery","relationship":{"director":true,"officer":true,"ten_percent_owner":true,"other":false,"officer_title":"Chief Executive Officer"}}],"security":"Class A Common Stock","published_at":"2022-12-30T22:02:04.000Z","date":"2022-09-30","kind":"exercise","acquired":true,"shares":25553,"ownership":{"direct":false,"nature":"See Footnote"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"On September 30, 2022, Stagwell Media and Stagwell Friends and Family (each as defined and discussed in footnote 4 hereto) exchanged 25,553 Paired Equity Interests (as defined and discussed in footnote 4 hereto) for an equal number of shares of Class A Common Stock of the Issuer and distributed such shares to certain of their limited partners and members for no consideration."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"The Reporting Person is the controlling person of The Stagwell Group LLC (\"Stagwell Group\"). Stagwell Group directly holds 130,000 shares of Class A Common Stock of the Issuer. Stagwell Group is the manager of Stagwell Agency Holdings LLC, which directly holds 26,372,414 shares of Class A Common Stock of the Issuer. Amounts reported also reflect an aggregate of 25,553 shares of Class A Common Stock of the Issuer acquired upon the exchange of an equal number of Paired Equity Interests by Stagwell Media and Stagwell Friends and Family and distributed to limited partners and members of Stagwell Media and Stagwell Friends and Family for no consideration."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"The Reporting Person disclaims beneficial ownership of the securities reported herein except to the extent of his pecuniary interest therein, if any, and this report shall not be deemed an admission that the Reporting Person is the beneficial owner of, or has any pecuniary interest in, such securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose."}],"balance_after":26527967,"source":{"system":"sec-edgar","filing":"0001104659-22-131399","document":"tm2233403-1_4seq1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/876883/000110465922131399/tm2233403-1_4seq1.xml","form_type":"4"}},{"id":2168288,"issuer":{"id":4480,"kind":"organization","name":"Stagwell Inc","symbol":"STGW"},"owners":[{"id":24821,"kind":"person","name":"Penn Mark Jeffery","position":1,"cik":"0001771735","reported_name":"Penn Mark Jeffery","relationship":{"director":true,"officer":true,"ten_percent_owner":true,"other":false,"officer_title":"Chief Executive Officer"}}],"security":"Class C Common Stock","published_at":"2022-09-02T21:00:38.000Z","date":"2022-08-31","kind":"exercise","acquired":false,"shares":25553,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"See Footnote"},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F4","text":"The Reporting Person is the controlling person of Stagwell Media LP (\"Stagwell Media\"). Stagwell Media directly holds 160,909,058 shares of Class C Common Stock of the Issuer. Stagwell Media is the manager of Stagwell Friends and Family LLC (\"Stagwell Friends and Family\"), which directly holds 3,492,177 shares of Class C Common Stock of the Issuer. The shares of Class C Common Stock are voting-only shares that have no economic interest in the Issuer and are not registered or listed shares. The holder of Class C Common Stock may, at its option, exchange its Class C Common Stock, together with its corresponding economic interest in a wholly-owned subsidiary of the Issuer (collectively, a \"Paired Equity Interest\"), for shares of Class A Common Stock on a one-for-one basis (i.e., one Paired Equity Interest for one share of Class A Common Stock)."},{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F5","text":"The Reporting Person disclaims beneficial ownership of the securities reported herein except to the extent of his pecuniary interest therein, if any, and this report shall not be deemed an admission that the Reporting Person is the beneficial owner of, or has any pecuniary interest in, such securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F4","text":"The Reporting Person is the controlling person of Stagwell Media LP (\"Stagwell Media\"). Stagwell Media directly holds 160,909,058 shares of Class C Common Stock of the Issuer. Stagwell Media is the manager of Stagwell Friends and Family LLC (\"Stagwell Friends and Family\"), which directly holds 3,492,177 shares of Class C Common Stock of the Issuer. The shares of Class C Common Stock are voting-only shares that have no economic interest in the Issuer and are not registered or listed shares. The holder of Class C Common Stock may, at its option, exchange its Class C Common Stock, together with its corresponding economic interest in a wholly-owned subsidiary of the Issuer (collectively, a \"Paired Equity Interest\"), for shares of Class A Common Stock on a one-for-one basis (i.e., one Paired Equity Interest for one share of Class A Common Stock)."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F5","text":"The Reporting Person disclaims beneficial ownership of the securities reported herein except to the extent of his pecuniary interest therein, if any, and this report shall not be deemed an admission that the Reporting Person is the beneficial owner of, or has any pecuniary interest in, such securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F6","text":"The right of any holder of the Class C Common Stock to exchange such shares for Class A Common Stock is not subject to an expiration date."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F4","text":"The Reporting Person is the controlling person of Stagwell Media LP (\"Stagwell Media\"). Stagwell Media directly holds 160,909,058 shares of Class C Common Stock of the Issuer. Stagwell Media is the manager of Stagwell Friends and Family LLC (\"Stagwell Friends and Family\"), which directly holds 3,492,177 shares of Class C Common Stock of the Issuer. The shares of Class C Common Stock are voting-only shares that have no economic interest in the Issuer and are not registered or listed shares. The holder of Class C Common Stock may, at its option, exchange its Class C Common Stock, together with its corresponding economic interest in a wholly-owned subsidiary of the Issuer (collectively, a \"Paired Equity Interest\"), for shares of Class A Common Stock on a one-for-one basis (i.e., one Paired Equity Interest for one share of Class A Common Stock)."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F5","text":"The Reporting Person disclaims beneficial ownership of the securities reported herein except to the extent of his pecuniary interest therein, if any, and this report shall not be deemed an admission that the Reporting Person is the beneficial owner of, or has any pecuniary interest in, such securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose."}],"balance_after":164401235,"derivative":{"underlying":"Class A Common Stock","underlying_shares":25553},"source":{"system":"sec-edgar","filing":"0001104659-22-097554","document":"tm2224994-1_4seq1.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/876883/000110465922097554/tm2224994-1_4seq1.xml","form_type":"4"}},{"id":2168287,"issuer":{"id":4480,"kind":"organization","name":"Stagwell Inc","symbol":"STGW"},"owners":[{"id":24821,"kind":"person","name":"Penn Mark Jeffery","position":1,"cik":"0001771735","reported_name":"Penn Mark Jeffery","relationship":{"director":true,"officer":true,"ten_percent_owner":true,"other":false,"officer_title":"Chief Executive Officer"}}],"security":"Class A Common Stock","published_at":"2022-09-02T21:00:38.000Z","date":"2022-08-31","kind":"other","acquired":false,"shares":25553,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"See Footnote"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"On August 31, 2022, Stagwell Media and Stagwell Friends and Family (each as defined and discussed in footnote 4 hereto) exchanged 25,553 Paired Equity Interests (as defined and discussed in footnote 4 hereto) for an equal number of shares of Class A Common Stock of the Issuer and distributed such shares to certain of their limited partners and members for no consideration."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"The Reporting Person is the controlling person of The Stagwell Group LLC (\"Stagwell Group\"). Stagwell Group directly holds 130,000 shares of Class A Common Stock of the Issuer. Stagwell Group is the manager of Stagwell Agency Holdings LLC, which directly holds 26,372,414 shares of Class A Common Stock of the Issuer. Amounts reported also reflect an aggregate of 25,553 shares of Class A Common Stock of the Issuer acquired upon the exchange of an equal number of Paired Equity Interests by Stagwell Media and Stagwell Friends and Family and distributed to limited partners and members of Stagwell Media and Stagwell Friends and Family for no consideration."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"The Reporting Person disclaims beneficial ownership of the securities reported herein except to the extent of his pecuniary interest therein, if any, and this report shall not be deemed an admission that the Reporting Person is the beneficial owner of, or has any pecuniary interest in, such securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose."}],"balance_after":26502414,"source":{"system":"sec-edgar","filing":"0001104659-22-097554","document":"tm2224994-1_4seq1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/876883/000110465922097554/tm2224994-1_4seq1.xml","form_type":"4"}},{"id":2168286,"issuer":{"id":4480,"kind":"organization","name":"Stagwell Inc","symbol":"STGW"},"owners":[{"id":24821,"kind":"person","name":"Penn Mark Jeffery","position":1,"cik":"0001771735","reported_name":"Penn Mark Jeffery","relationship":{"director":true,"officer":true,"ten_percent_owner":true,"other":false,"officer_title":"Chief Executive Officer"}}],"security":"Class A Common Stock","published_at":"2022-09-02T21:00:38.000Z","date":"2022-08-31","kind":"exercise","acquired":true,"shares":25553,"ownership":{"direct":false,"nature":"See Footnote"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"On August 31, 2022, Stagwell Media and Stagwell Friends and Family (each as defined and discussed in footnote 4 hereto) exchanged 25,553 Paired Equity Interests (as defined and discussed in footnote 4 hereto) for an equal number of shares of Class A Common Stock of the Issuer and distributed such shares to certain of their limited partners and members for no consideration."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"The Reporting Person is the controlling person of The Stagwell Group LLC (\"Stagwell Group\"). Stagwell Group directly holds 130,000 shares of Class A Common Stock of the Issuer. Stagwell Group is the manager of Stagwell Agency Holdings LLC, which directly holds 26,372,414 shares of Class A Common Stock of the Issuer. Amounts reported also reflect an aggregate of 25,553 shares of Class A Common Stock of the Issuer acquired upon the exchange of an equal number of Paired Equity Interests by Stagwell Media and Stagwell Friends and Family and distributed to limited partners and members of Stagwell Media and Stagwell Friends and Family for no consideration."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"The Reporting Person disclaims beneficial ownership of the securities reported herein except to the extent of his pecuniary interest therein, if any, and this report shall not be deemed an admission that the Reporting Person is the beneficial owner of, or has any pecuniary interest in, such securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose."}],"balance_after":26527967,"source":{"system":"sec-edgar","filing":"0001104659-22-097554","document":"tm2224994-1_4seq1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/876883/000110465922097554/tm2224994-1_4seq1.xml","form_type":"4"}},{"id":2182779,"issuer":{"id":4480,"kind":"organization","name":"Stagwell Inc","symbol":"STGW"},"owners":[{"id":24821,"kind":"person","name":"Penn Mark Jeffery","position":1,"cik":"0001771735","reported_name":"Penn Mark Jeffery","relationship":{"director":true,"officer":true,"ten_percent_owner":true,"other":false,"officer_title":"Chief Executive Officer"}}],"security":"Class C Common Stock","published_at":"2022-08-18T00:02:21.000Z","date":"2022-06-09","kind":"exercise","acquired":false,"shares":388122,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"See Footnote"},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F5","text":"The Reporting Person is the controlling person of Stagwell Media LP (\"Stagwell Media\"). Stagwell Media directly holds 160,909,058 shares of Class C Common Stock of the Issuer. Stagwell Media is the manager of Stagwell Friends and Family LLC (\"Stagwell Friends and Family\"), which directly holds 3,517,730 shares of Class C Common Stock of the Issuer. The shares of Class C Common Stock are voting-only shares that have no economic interest in the Issuer and are not registered or listed shares. The holder of Class C Common Stock may, at its option, exchange its Class C Common Stock, together with its corresponding economic interest in a wholly-owned subsidiary of the Issuer (collectively, a \"Paired Equity Interest\"), for shares of Class A Common Stock on a one-for-one basis (i.e., one Paired Equity Interest for one share of Class A Common Stock)."},{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F6","text":"The Reporting Person disclaims beneficial ownership of the securities reported herein except to the extent of his pecuniary interest therein, if any, and this report shall not be deemed an admission that the Reporting Person is the beneficial owner of, or has any pecuniary interest in, such securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F5","text":"The Reporting Person is the controlling person of Stagwell Media LP (\"Stagwell Media\"). Stagwell Media directly holds 160,909,058 shares of Class C Common Stock of the Issuer. Stagwell Media is the manager of Stagwell Friends and Family LLC (\"Stagwell Friends and Family\"), which directly holds 3,517,730 shares of Class C Common Stock of the Issuer. The shares of Class C Common Stock are voting-only shares that have no economic interest in the Issuer and are not registered or listed shares. The holder of Class C Common Stock may, at its option, exchange its Class C Common Stock, together with its corresponding economic interest in a wholly-owned subsidiary of the Issuer (collectively, a \"Paired Equity Interest\"), for shares of Class A Common Stock on a one-for-one basis (i.e., one Paired Equity Interest for one share of Class A Common Stock)."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F6","text":"The Reporting Person disclaims beneficial ownership of the securities reported herein except to the extent of his pecuniary interest therein, if any, and this report shall not be deemed an admission that the Reporting Person is the beneficial owner of, or has any pecuniary interest in, such securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F7","text":"The right of any holder of the Class C Common Stock to exchange such shares for Class A Common Stock is not subject to an expiration date."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F5","text":"The Reporting Person is the controlling person of Stagwell Media LP (\"Stagwell Media\"). Stagwell Media directly holds 160,909,058 shares of Class C Common Stock of the Issuer. Stagwell Media is the manager of Stagwell Friends and Family LLC (\"Stagwell Friends and Family\"), which directly holds 3,517,730 shares of Class C Common Stock of the Issuer. The shares of Class C Common Stock are voting-only shares that have no economic interest in the Issuer and are not registered or listed shares. The holder of Class C Common Stock may, at its option, exchange its Class C Common Stock, together with its corresponding economic interest in a wholly-owned subsidiary of the Issuer (collectively, a \"Paired Equity Interest\"), for shares of Class A Common Stock on a one-for-one basis (i.e., one Paired Equity Interest for one share of Class A Common Stock)."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F6","text":"The Reporting Person disclaims beneficial ownership of the securities reported herein except to the extent of his pecuniary interest therein, if any, and this report shall not be deemed an admission that the Reporting Person is the beneficial owner of, or has any pecuniary interest in, such securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose."}],"balance_after":164426788,"derivative":{"underlying":"Class A Common Stock","underlying_shares":388122},"source":{"system":"sec-edgar","filing":"0001104659-22-092285","document":"tm2223711-6_4seq1.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/876883/000110465922092285/tm2223711-6_4seq1.xml","form_type":"4"}},{"id":2182778,"issuer":{"id":4480,"kind":"organization","name":"Stagwell Inc","symbol":"STGW"},"owners":[{"id":24821,"kind":"person","name":"Penn Mark Jeffery","position":1,"cik":"0001771735","reported_name":"Penn Mark Jeffery","relationship":{"director":true,"officer":true,"ten_percent_owner":true,"other":false,"officer_title":"Chief Executive Officer"}}],"security":"Class A Common Stock","published_at":"2022-08-18T00:02:21.000Z","date":"2022-08-15","kind":"grant","acquired":true,"shares":593031,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F4","text":"Represents 593,031 restricted shares of Class A Common Stock of the Issuer awarded to the Reporting Person on August 15, 2022. The restricted shares will vest on March 31, 2025, subject to the achievement of financial performance targets and the Reporting Person's continued service through such date."}],"balance_after":1755847,"source":{"system":"sec-edgar","filing":"0001104659-22-092285","document":"tm2223711-6_4seq1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/876883/000110465922092285/tm2223711-6_4seq1.xml","form_type":"4"}},{"id":2182777,"issuer":{"id":4480,"kind":"organization","name":"Stagwell Inc","symbol":"STGW"},"owners":[{"id":24821,"kind":"person","name":"Penn Mark Jeffery","position":1,"cik":"0001771735","reported_name":"Penn Mark Jeffery","relationship":{"director":true,"officer":true,"ten_percent_owner":true,"other":false,"officer_title":"Chief Executive Officer"}}],"security":"Class A Common Stock","published_at":"2022-08-18T00:02:21.000Z","date":"2022-06-09","kind":"other","acquired":false,"shares":388122,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"See Footnote"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"On June 9, 2022, Stagwell Media and Stagwell Friends and Family (each as defined and discussed in footnote 4 hereto) exchanged 388,122 Paired Equity Interests (as defined and discussed in footnote 4 hereto) for an equal number of shares of Class A Common Stock of the Issuer and distributed such shares to certain of their limited partners and members for no consideration."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"The Reporting Person is the controlling person of The Stagwell Group LLC (\"Stagwell Group\"). Stagwell Group directly holds 130,000 shares of Class A Common Stock of the Issuer. Stagwell Group is the manager of Stagwell Agency Holdings LLC, which directly holds 26,372,414 shares of Class A Common Stock of the Issuer. Amounts reported also reflect an aggregate of 388,122 shares of Class A Common Stock of the Issuer acquired upon the exchange of an equal number of Paired Equity Interests by Stagwell Media and Stagwell Friends and Family and distributed to limited partners and members of Stagwell Media and Stagwell Friends and Family for no consideration."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"The Reporting Person disclaims beneficial ownership of the securities reported herein except to the extent of his pecuniary interest therein, if any, and this report shall not be deemed an admission that the Reporting Person is the beneficial owner of, or has any pecuniary interest in, such securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose."}],"balance_after":26502414,"source":{"system":"sec-edgar","filing":"0001104659-22-092285","document":"tm2223711-6_4seq1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/876883/000110465922092285/tm2223711-6_4seq1.xml","form_type":"4"}},{"id":2182776,"issuer":{"id":4480,"kind":"organization","name":"Stagwell Inc","symbol":"STGW"},"owners":[{"id":24821,"kind":"person","name":"Penn Mark Jeffery","position":1,"cik":"0001771735","reported_name":"Penn Mark Jeffery","relationship":{"director":true,"officer":true,"ten_percent_owner":true,"other":false,"officer_title":"Chief Executive Officer"}}],"security":"Class A Common Stock","published_at":"2022-08-18T00:02:21.000Z","date":"2022-06-09","kind":"exercise","acquired":true,"shares":388122,"ownership":{"direct":false,"nature":"See Footnote"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"On June 9, 2022, Stagwell Media and Stagwell Friends and Family (each as defined and discussed in footnote 4 hereto) exchanged 388,122 Paired Equity Interests (as defined and discussed in footnote 4 hereto) for an equal number of shares of Class A Common Stock of the Issuer and distributed such shares to certain of their limited partners and members for no consideration."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"The Reporting Person is the controlling person of The Stagwell Group LLC (\"Stagwell Group\"). Stagwell Group directly holds 130,000 shares of Class A Common Stock of the Issuer. Stagwell Group is the manager of Stagwell Agency Holdings LLC, which directly holds 26,372,414 shares of Class A Common Stock of the Issuer. Amounts reported also reflect an aggregate of 388,122 shares of Class A Common Stock of the Issuer acquired upon the exchange of an equal number of Paired Equity Interests by Stagwell Media and Stagwell Friends and Family and distributed to limited partners and members of Stagwell Media and Stagwell Friends and Family for no consideration."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"The Reporting Person disclaims beneficial ownership of the securities reported herein except to the extent of his pecuniary interest therein, if any, and this report shall not be deemed an admission that the Reporting Person is the beneficial owner of, or has any pecuniary interest in, such securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose."}],"balance_after":26890536,"source":{"system":"sec-edgar","filing":"0001104659-22-092285","document":"tm2223711-6_4seq1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/876883/000110465922092285/tm2223711-6_4seq1.xml","form_type":"4"}},{"id":2362839,"issuer":{"id":4480,"kind":"organization","name":"Stagwell Inc","symbol":"STGW"},"owners":[{"id":24821,"kind":"person","name":"Penn Mark Jeffery","position":1,"cik":"0001771735","reported_name":"Penn Mark Jeffery","relationship":{"director":true,"officer":true,"ten_percent_owner":true,"other":false,"officer_title":"Chief Executive Officer"}}],"security":"Class A Common Stock","published_at":"2022-03-03T01:01:24.000Z","date":"2022-02-28","kind":"grant","acquired":true,"shares":161765,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents 161,765 restricted shares of Class A Common Stock of the Issuer awarded to the Reporting Person on February 28, 2022. The restricted shares will vest in full on February 28, 2023, subject to the Reporting Person's continued service through such date."}],"balance_after":1162816,"source":{"system":"sec-edgar","filing":"0001104659-22-029499","document":"tm228179d1_4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/876883/000110465922029499/tm228179d1_4.xml","form_type":"4"}},{"id":2412208,"issuer":{"id":4480,"kind":"organization","name":"Stagwell Inc","symbol":"STGW"},"owners":[{"id":24821,"kind":"person","name":"Penn Mark Jeffery","position":1,"cik":"0001771735","reported_name":"Penn Mark Jeffery","relationship":{"director":true,"officer":true,"ten_percent_owner":true,"other":false,"officer_title":"Chief Executive Officer"}}],"security":"Class C Common Stock","published_at":"2022-02-05T00:00:46.000Z","date":"2022-02-02","kind":"exercise","acquired":false,"shares":15155141,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"See Footnote"},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F3","text":"The Reporting Person is the controlling person of Stagwell Media LP (\"Stagwell Media\"). Stagwell Media directly holds 160,909,058 shares of Class C common stock if the Issuer. Stagwell Media is the manager of Stagwell Friends and Family LLC, which directly holds 3,905,852 shares of Class C Common Stock of the Issuer. The Class C Common Stock are voting-only shares that have no economic interest in the Issuer and are not registered or listed shares. The holder of Class C Common Stock may, at its option, exchange its Class C Common Stock, together with its corresponding economic interest in a wholly-owned subsidiary of the Issuer (collectively, a \"Paired Equity Interest\"), for Class A Common Stock on a one-for-one basis (i.e., one Paired Equity Interest for one share of Class A Common Stock)."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F3","text":"The Reporting Person is the controlling person of Stagwell Media LP (\"Stagwell Media\"). Stagwell Media directly holds 160,909,058 shares of Class C common stock if the Issuer. Stagwell Media is the manager of Stagwell Friends and Family LLC, which directly holds 3,905,852 shares of Class C Common Stock of the Issuer. The Class C Common Stock are voting-only shares that have no economic interest in the Issuer and are not registered or listed shares. The holder of Class C Common Stock may, at its option, exchange its Class C Common Stock, together with its corresponding economic interest in a wholly-owned subsidiary of the Issuer (collectively, a \"Paired Equity Interest\"), for Class A Common Stock on a one-for-one basis (i.e., one Paired Equity Interest for one share of Class A Common Stock)."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F4","text":"The right of any holder of Class C Common Stock to exchange such shares for Class A Common Stock is not subject to an expiration date."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"The Reporting Person is the controlling person of Stagwell Media LP (\"Stagwell Media\"). Stagwell Media directly holds 160,909,058 shares of Class C common stock if the Issuer. Stagwell Media is the manager of Stagwell Friends and Family LLC, which directly holds 3,905,852 shares of Class C Common Stock of the Issuer. The Class C Common Stock are voting-only shares that have no economic interest in the Issuer and are not registered or listed shares. The holder of Class C Common Stock may, at its option, exchange its Class C Common Stock, together with its corresponding economic interest in a wholly-owned subsidiary of the Issuer (collectively, a \"Paired Equity Interest\"), for Class A Common Stock on a one-for-one basis (i.e., one Paired Equity Interest for one share of Class A Common Stock)."}],"balance_after":164814910,"derivative":{"underlying":"Class A Common Stock","underlying_shares":15155141},"source":{"system":"sec-edgar","filing":"0001104659-22-012160","document":"tm225617-1_4seq1.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/876883/000110465922012160/tm225617-1_4seq1.xml","form_type":"4"}},{"id":2412207,"issuer":{"id":4480,"kind":"organization","name":"Stagwell Inc","symbol":"STGW"},"owners":[{"id":24821,"kind":"person","name":"Penn Mark Jeffery","position":1,"cik":"0001771735","reported_name":"Penn Mark Jeffery","relationship":{"director":true,"officer":true,"ten_percent_owner":true,"other":false,"officer_title":"Chief Executive Officer"}}],"security":"Class A Common Stock","published_at":"2022-02-05T00:00:46.000Z","date":"2022-02-02","kind":"other","acquired":false,"shares":15155141,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"See Footnote"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F2","text":"Pro rata distributions from Stagwell Media and Stagwell Friends and Family."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F1","text":"The Reporting Person is the controlling person of The Stagwell Group LLC (\"Stagwell\"). Stagwell directly holds 130,000 shares of Class A Common Sock of the Issuer. Stagwell is the manager of Stagwell Agency Holdings LLC, which directly holds 26,372,414 shares of Class A Common Stock of the Issuer. The Reporting Person disclaims beneficial ownership of the securities reported herein except to the extent of his pecuniary interest therein, if any, and this report shall not be deemed an admission that the Reporting Person is the beneficial owner of, or has any pecuniary interest in, such securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose."}],"balance_after":26502414,"source":{"system":"sec-edgar","filing":"0001104659-22-012160","document":"tm225617-1_4seq1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/876883/000110465922012160/tm225617-1_4seq1.xml","form_type":"4"}},{"id":2412206,"issuer":{"id":4480,"kind":"organization","name":"Stagwell Inc","symbol":"STGW"},"owners":[{"id":24821,"kind":"person","name":"Penn Mark Jeffery","position":1,"cik":"0001771735","reported_name":"Penn Mark Jeffery","relationship":{"director":true,"officer":true,"ten_percent_owner":true,"other":false,"officer_title":"Chief Executive Officer"}}],"security":"Class A Common Stock","published_at":"2022-02-05T00:00:46.000Z","date":"2022-02-02","kind":"exercise","acquired":true,"shares":15155141,"ownership":{"direct":false,"nature":"See Footnote"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"The Reporting Person is the controlling person of The Stagwell Group LLC (\"Stagwell\"). Stagwell directly holds 130,000 shares of Class A Common Sock of the Issuer. Stagwell is the manager of Stagwell Agency Holdings LLC, which directly holds 26,372,414 shares of Class A Common Stock of the Issuer. The Reporting Person disclaims beneficial ownership of the securities reported herein except to the extent of his pecuniary interest therein, if any, and this report shall not be deemed an admission that the Reporting Person is the beneficial owner of, or has any pecuniary interest in, such securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F1","text":"The Reporting Person is the controlling person of The Stagwell Group LLC (\"Stagwell\"). Stagwell directly holds 130,000 shares of Class A Common Sock of the Issuer. Stagwell is the manager of Stagwell Agency Holdings LLC, which directly holds 26,372,414 shares of Class A Common Stock of the Issuer. The Reporting Person disclaims beneficial ownership of the securities reported herein except to the extent of his pecuniary interest therein, if any, and this report shall not be deemed an admission that the Reporting Person is the beneficial owner of, or has any pecuniary interest in, such securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose."}],"balance_after":41657555,"source":{"system":"sec-edgar","filing":"0001104659-22-012160","document":"tm225617-1_4seq1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/876883/000110465922012160/tm225617-1_4seq1.xml","form_type":"4"}},{"id":2472290,"issuer":{"id":4480,"kind":"organization","name":"Stagwell Inc","symbol":"STGW"},"owners":[{"id":24821,"kind":"person","name":"Penn Mark Jeffery","position":1,"cik":"0001771735","reported_name":"Penn Mark Jeffery","relationship":{"director":true,"officer":true,"ten_percent_owner":true,"other":false,"officer_title":"Chief Executive Officer"}}],"security":"Stock Appreciation Rights","published_at":"2021-12-15T23:00:24.000Z","date":"2021-12-14","kind":"grant","acquired":true,"shares":1500000,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"security","element":"securityTitle","label":"F1","text":"Stock Appreciation Rights (SARS) granted December 14, 2021 to the reporting person vest and are exercisable in three equal installments (each consisting of 500,000 underlying shares of Class A Common Stock) on each of the first three (3) anniversaries of the grant date, and expire on the fifth anniversary of the grant date. The grant of 1,312,000 of the SARS is subject to approval by the Issuer's stockholders of amendments to its Amended and Restated 2016 Stock Incentive Plan."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"Stock Appreciation Rights (SARS) granted December 14, 2021 to the reporting person vest and are exercisable in three equal installments (each consisting of 500,000 underlying shares of Class A Common Stock) on each of the first three (3) anniversaries of the grant date, and expire on the fifth anniversary of the grant date. The grant of 1,312,000 of the SARS is subject to approval by the Issuer's stockholders of amendments to its Amended and Restated 2016 Stock Incentive Plan."}],"balance_after":1500000,"derivative":{"exercise_price":8.27,"exercise_date":"2022-12-14","expiration_date":"2026-12-14","underlying":"Class A Common Stock","underlying_shares":1500000},"source":{"system":"sec-edgar","filing":"0001104659-21-150087","document":"tm2135558-1_4seq1.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/876883/000110465921150087/tm2135558-1_4seq1.xml","form_type":"4"}},{"id":2539965,"issuer":{"id":4480,"kind":"organization","name":"Stagwell Inc","symbol":"STGW"},"owners":[{"id":24821,"kind":"person","name":"Penn Mark Jeffery","position":1,"cik":"0001771735","reported_name":"Penn Mark Jeffery","relationship":{"director":true,"officer":true,"ten_percent_owner":true,"other":false,"officer_title":"Chief Executive Officer"}}],"security":"Class A Common Stock","published_at":"2021-10-19T23:12:31.000Z","date":"2021-10-15","kind":"grant","acquired":true,"shares":412000,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"412,000 shares of Restricted Stock (Class A Common Stock) of the Issuer were awarded on October 15, 2021. The shares will vest on March 31, 2024, subject to achievement of financial performance targets and continued employment."}],"balance_after":1001051,"source":{"system":"sec-edgar","filing":"0001104659-21-127701","document":"tm2130525d3_4seq1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/876883/000110465921127701/tm2130525d3_4seq1.xml","form_type":"4"}},{"id":2546732,"issuer":{"id":4480,"kind":"organization","name":"Stagwell Inc","symbol":"STGW"},"owners":[{"id":24821,"kind":"person","name":"Penn Mark Jeffery","position":1,"cik":"0001771735","reported_name":"Penn Mark Jeffery","relationship":{"director":true,"officer":true,"ten_percent_owner":true,"other":false,"officer_title":"Chief Executive Officer"}}],"security":"Series 6 Convertible Preferred Stock","published_at":"2021-10-07T21:01:26.000Z","date":"2021-10-07","kind":"exercise","acquired":false,"shares":50000,"ownership":{"direct":false,"nature":"See Footnote"},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"On October 7, 2021, the 50,000 shares of Series 6 Convertible Preferred Stock of the Issuer held by Stagwell Agency Holdings LLC converted automatically into 12,086,700 shares of Class A Common Stock of the Issuer and had no expiration date."},{"field":"price","element":"transactionPricePerShare","label":"F1","text":"On October 7, 2021, the 50,000 shares of Series 6 Convertible Preferred Stock of the Issuer held by Stagwell Agency Holdings LLC converted automatically into 12,086,700 shares of Class A Common Stock of the Issuer and had no expiration date."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"On October 7, 2021, the 50,000 shares of Series 6 Convertible Preferred Stock of the Issuer held by Stagwell Agency Holdings LLC converted automatically into 12,086,700 shares of Class A Common Stock of the Issuer and had no expiration date."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F1","text":"On October 7, 2021, the 50,000 shares of Series 6 Convertible Preferred Stock of the Issuer held by Stagwell Agency Holdings LLC converted automatically into 12,086,700 shares of Class A Common Stock of the Issuer and had no expiration date."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"The Reporting Person is the controlling person of The Stagwell Group LLC (\"Stagwell\"). Stagwell directly holds 130,000 shares of Class A Common Stock of the Issuer. Stagwell is the manager of Stagwell Agency Holdings LLC, which directly holds 26,372,414 shares of Class A Common Stock of the Issuer following the conversion reported herein. The Reporting Person disclaims beneficial ownership of the securities reported herein except to the extent of his pecuniary interest therein, if any, and this report shall not be deemed an admission that the Reporting Person is the beneficial owner of, or has any pecuniary interest in, such securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose."}],"balance_after":0,"derivative":{"underlying":"Class A Common Stock","underlying_shares":12086700},"source":{"system":"sec-edgar","filing":"0001104659-21-124224","document":"tm2129462-2_4seq1.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/876883/000110465921124224/tm2129462-2_4seq1.xml","form_type":"4"}},{"id":2546731,"issuer":{"id":4480,"kind":"organization","name":"Stagwell Inc","symbol":"STGW"},"owners":[{"id":24821,"kind":"person","name":"Penn Mark Jeffery","position":1,"cik":"0001771735","reported_name":"Penn Mark Jeffery","relationship":{"director":true,"officer":true,"ten_percent_owner":true,"other":false,"officer_title":"Chief Executive Officer"}}],"security":"Class A Common Stock","published_at":"2021-10-07T21:01:26.000Z","date":"2021-10-07","kind":"exercise","acquired":true,"shares":12086700,"ownership":{"direct":false,"nature":"See Footnote"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"On October 7, 2021, the 50,000 shares of Series 6 Convertible Preferred Stock of the Issuer held by Stagwell Agency Holdings LLC converted automatically into 12,086,700 shares of Class A Common Stock of the Issuer and had no expiration date."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"The Reporting Person is the controlling person of The Stagwell Group LLC (\"Stagwell\"). Stagwell directly holds 130,000 shares of Class A Common Stock of the Issuer. Stagwell is the manager of Stagwell Agency Holdings LLC, which directly holds 26,372,414 shares of Class A Common Stock of the Issuer following the conversion reported herein. The Reporting Person disclaims beneficial ownership of the securities reported herein except to the extent of his pecuniary interest therein, if any, and this report shall not be deemed an admission that the Reporting Person is the beneficial owner of, or has any pecuniary interest in, such securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose."}],"balance_after":26502414,"source":{"system":"sec-edgar","filing":"0001104659-21-124224","document":"tm2129462-2_4seq1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/876883/000110465921124224/tm2129462-2_4seq1.xml","form_type":"4"}},{"id":2594100,"issuer":{"id":4480,"kind":"organization","name":"Stagwell Inc","symbol":"STGW"},"owners":[{"id":24821,"kind":"person","name":"Penn Mark Jeffery","position":1,"cik":"0001771735","reported_name":"Penn Mark Jeffery","relationship":{"director":true,"officer":true,"ten_percent_owner":true,"other":false,"officer_title":"Chief Executive Officer"}}],"security":"Class A Common Stock","published_at":"2021-08-23T20:30:37.000Z","date":"2021-08-19","kind":"purchase","acquired":true,"shares":15000,"price":6.66,"value":99900.0,"ownership":{"direct":false,"nature":"See Footnote"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"The purchase price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $6.62 to $6.70, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the ranges set forth in this footnote."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"The shares of Class A Common Stock purchased in this transaction were purchased directly by The Stagwell Group LLC (\"Stagwell\"). The Reporting Person is the controlling person of Stagwell. Following this transaction, Stagwell directly holds 130,000 shares of Class A Common Stock of the Issuer. Stagwell is the manager of Stagwell Agency Holdings LLC, which directly holds 14,285,714 shares of Class A Common Stock of the Issuer. The Reporting Person disclaims beneficial ownership of the securities reported herein except to the extent of his pecuniary interest therein, if any, and this report shall not be deemed an admission that the Reporting Person is the beneficial owner of, or has any pecuniary interest in, such securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose."}],"balance_after":14415714,"source":{"system":"sec-edgar","filing":"0001104659-21-108585","document":"tm2125721-1_4seq1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/876883/000110465921108585/tm2125721-1_4seq1.xml","form_type":"4"}},{"id":2607622,"issuer":{"id":4480,"kind":"organization","name":"Stagwell Inc","symbol":"STGW"},"owners":[{"id":24821,"kind":"person","name":"Penn Mark Jeffery","position":1,"cik":"0001771735","reported_name":"Penn Mark Jeffery","relationship":{"director":true,"officer":true,"ten_percent_owner":true,"other":false,"officer_title":"Chief Executive Officer"}}],"security":"Class A Common Stock","published_at":"2021-08-11T20:29:19.000Z","date":"2021-08-10","kind":"purchase","acquired":true,"shares":5000,"price":6.45,"value":32250.0,"ownership":{"direct":true},"footnotes":[{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Includes 549,051 shares of unvested Restricted Stock (Class A Common Stock) of the Issuer."}],"balance_after":589051,"source":{"system":"sec-edgar","filing":"0001104659-21-103497","document":"tm2124791-3_4seq1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/876883/000110465921103497/tm2124791-3_4seq1.xml","form_type":"4"}},{"id":2607621,"issuer":{"id":4480,"kind":"organization","name":"Stagwell Inc","symbol":"STGW"},"owners":[{"id":24821,"kind":"person","name":"Penn Mark Jeffery","position":1,"cik":"0001771735","reported_name":"Penn Mark Jeffery","relationship":{"director":true,"officer":true,"ten_percent_owner":true,"other":false,"officer_title":"Chief Executive Officer"}}],"security":"Class A Common Stock","published_at":"2021-08-11T20:29:19.000Z","date":"2021-08-09","kind":"purchase","acquired":true,"shares":10000,"price":6.01,"value":60100.0,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"The purchase price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $5.96 to $6.02, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the ranges set forth in this footnote."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Includes 549,051 shares of unvested Restricted Stock (Class A Common Stock) of the Issuer."}],"balance_after":584051,"source":{"system":"sec-edgar","filing":"0001104659-21-103497","document":"tm2124791-3_4seq1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/876883/000110465921103497/tm2124791-3_4seq1.xml","form_type":"4"}},{"id":2616042,"issuer":{"id":4480,"kind":"organization","name":"Stagwell Inc","symbol":"STGW"},"owners":[{"id":24821,"kind":"person","name":"Penn Mark Jeffery","position":1,"cik":"0001771735","reported_name":"Penn Mark Jeffery","relationship":{"director":true,"officer":true,"ten_percent_owner":true,"officer_title":"CHIEF EXECUTIVE OFFICER"}}],"security":"Class C Common Shares","published_at":"2021-08-04T21:28:19.000Z","date":"2021-08-02","kind":"grant","acquired":true,"shares":179970051,"price":198000000,"value":3.5634070098e+16,"ownership":{"direct":false,"nature":"See Footnote"},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"The Reporting Person is the controlling person of Stagwell Media LP (\"Stagwell Media\"). Stagwell Media directly holds 160,864,073 Class C Common Shares of the Issuer. Stagwell Media is the manager of Stagwell Friends and Family LLC, which directly holds 19,105,978 Class C Common Shares of the Issuer. The Class C Common Shares are voting-only shares that have no economic interest in the Issuer and are not registered or listed shares. The holder of Class C Common Shares, may, at its option, exchange its Class C Common Shares, together with its corresponding economic interest in a wholly-owned subsidiary of the Issuer (collectively, a \"Paired Equity Interest\"), for Class A Common Shares on a one-to-one basis (i.e., one Paired Equity Interest for one Class A Common Share). The Class C Common Shares are subject to a lock-up agreement that prevents the holder thereof from exchanging such Class C Common Shares for Class A Common Shares until February 2, 2022."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F2","text":"The right of any holder of Class C Common Shares to exchange such shares for Class A Common Shares is not subject to an expiration date."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F1","text":"The Reporting Person is the controlling person of Stagwell Media LP (\"Stagwell Media\"). Stagwell Media directly holds 160,864,073 Class C Common Shares of the Issuer. Stagwell Media is the manager of Stagwell Friends and Family LLC, which directly holds 19,105,978 Class C Common Shares of the Issuer. The Class C Common Shares are voting-only shares that have no economic interest in the Issuer and are not registered or listed shares. The holder of Class C Common Shares, may, at its option, exchange its Class C Common Shares, together with its corresponding economic interest in a wholly-owned subsidiary of the Issuer (collectively, a \"Paired Equity Interest\"), for Class A Common Shares on a one-to-one basis (i.e., one Paired Equity Interest for one Class A Common Share). The Class C Common Shares are subject to a lock-up agreement that prevents the holder thereof from exchanging such Class C Common Shares for Class A Common Shares until February 2, 2022."}],"balance_after":0,"derivative":{"exercise_date":"2021-12-04","underlying":"Class A Common Shares","underlying_shares":179970051},"source":{"system":"sec-edgar","filing":"0001437749-21-018551","document":"rdgdoc.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/876883/000143774921018551/rdgdoc.xml","form_type":"4"}},{"id":2823028,"issuer":{"id":4480,"kind":"organization","name":"Stagwell Inc","symbol":"STGW"},"owners":[{"id":24821,"kind":"person","name":"Penn Mark Jeffery","position":1,"cik":"0001771735","reported_name":"Penn Mark Jeffery","relationship":{"director":true,"officer":true,"ten_percent_owner":true,"other":false,"officer_title":"Chief Executive Officer"}}],"security":"Class A Subordinate Voting Shares","published_at":"2021-03-03T00:29:29.000Z","date":"2021-02-26","kind":"disposition_to_issuer","acquired":false,"shares":28449,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"577,500 shares of Restricted Stock (Class A Shares) of the Issuer were awarded to the Reporting Person on November 4, 2019, subject to achievement of financial performance targets and continued employment. 28,449 of these shares were forfeited on February 26, 2021 as a result of partial achievement of the financial performance targets. The remaining shares will vest on December 31, 2022, subject to continued employment."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Includes 549,051 shares of unvested Restricted Stock (Class A Shares) of the Issuer."}],"balance_after":574051,"source":{"system":"sec-edgar","filing":"0001104659-21-030939","document":"tm218483-1_4seq1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/876883/000110465921030939/tm218483-1_4seq1.xml","form_type":"4"}},{"id":3139792,"issuer":{"id":4480,"kind":"organization","name":"Stagwell Inc","symbol":"STGW"},"owners":[{"id":24821,"kind":"person","name":"Penn Mark Jeffery","position":1,"cik":"0001771735","reported_name":"Penn Mark Jeffery","relationship":{"director":true,"officer":true,"ten_percent_owner":true,"other":false,"officer_title":"Chief Executive Officer"}}],"security":"Class A Subordinate Voting Shares","published_at":"2020-05-21T10:01:28.000Z","date":"2020-03-26","kind":"purchase","acquired":true,"shares":15000,"price":1.68,"value":25200.0,"ownership":{"direct":false,"nature":"See Footnote"},"footnotes":[{"field":"date","element":"transactionDate","label":"F1","text":"This amendment is to include a transaction inadvertently omitted from the Form 4 filed by the Reporting Person on March 26, 2020."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The purchase price reported in Column 4 is an average price. These shares were purchased in multiple transactions at prices ranging from $1.64 to $1.73, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the ranges set forth in this footnote."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"The amount of securities beneficially owned reported in Column 5 reflects the number as of the date of filing of this amendment, and includes shares purchased and reported on Form 4 subsequent to the March 26, 2020 filing of the Form 4 that is the subject of this amendment."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F4","text":"The Class A Subordinate Voting Shares purchased in this transaction were purchased directly by The Stagwell Group LLC (\"Stagwell\"). The Reporting Person is the controlling person of Stagwell. As of the date of filing of this amendment, Stagwell directly holds 115,000 Class A Subordinate Voting Shares of the Issuer. Stagwell is the manager of Stagwell Agency Holdings LLC, which directly holds 14,285,714 Class A Subordinate Voting Shares of the Issuer. The Reporting Person disclaims beneficial ownership of the securities reported herein except to the extent of his pecuniary interest therein, if any, and this report shall not be deemed an admission that the Reporting Person is the beneficial owner of, or has any pecuniary interest in, such securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose."}],"balance_after":14400714,"source":{"system":"sec-edgar","filing":"0001104659-20-064452","document":"tm2020387d1_4a.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/876883/000110465920064452/tm2020387d1_4a.xml","form_type":"4/A","original_submission_date":"2020-03-26"}},{"id":3146281,"issuer":{"id":4480,"kind":"organization","name":"Stagwell Inc","symbol":"STGW"},"owners":[{"id":24821,"kind":"person","name":"Penn Mark Jeffery","position":1,"cik":"0001771735","reported_name":"Penn Mark Jeffery","relationship":{"director":true,"officer":true,"ten_percent_owner":true,"other":false,"officer_title":"Chief Executive Officer"}}],"security":"Class A Subordinate Voting Shares","published_at":"2020-05-18T10:05:15.000Z","date":"2020-05-13","kind":"purchase","acquired":true,"shares":50000,"price":1.095,"value":54750.0,"ownership":{"direct":false,"nature":"See Footnote"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"The purchase price reported in Column 4 is an average price. These shares were purchased in multiple transactions at prices ranging from $1.085 and $1.11, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"The Class A Subordinate Voting Shares purchased in this transaction were purchased directly by The Stagwell Group LLC (\"Stagwell\"). The Reporting Person is the controlling person of Stagwell. Following this transaction, Stagwell directly holds 100,000 Class A Subordinate Voting Shares of the Issuer. Stagwell is the manager of Stagwell Agency Holdings LLC, which directly holds 14,285,714 Class A Subordinate Voting Shares of the Issuer. The Reporting Person disclaims beneficial ownership of the securities reported herein except to the extent of his pecuniary interest therein, if any, and this report shall not be deemed an admission that the Reporting Person is the beneficial owner of, or has any pecuniary interest in, such securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose."}],"balance_after":14385714,"source":{"system":"sec-edgar","filing":"0001104659-20-062884","document":"tm2019939-1_4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/876883/000110465920062884/tm2019939-1_4.xml","form_type":"4"}},{"id":3194739,"issuer":{"id":4480,"kind":"organization","name":"Stagwell Inc","symbol":"STGW"},"owners":[{"id":24821,"kind":"person","name":"Penn Mark Jeffery","position":1,"cik":"0001771735","reported_name":"Penn Mark Jeffery","relationship":{"director":true,"officer":true,"ten_percent_owner":true,"other":false,"officer_title":"Chief Executive Officer"}}],"security":"Class A Subordinate Voting Shares","published_at":"2020-03-27T00:49:41.000Z","date":"2020-03-25","kind":"purchase","acquired":true,"shares":40000,"price":1.41,"value":56400.0,"ownership":{"direct":false,"nature":"See Footnote"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F3","text":"The purchase price reported in Column 4 is an average price. These shares were purchased in multiple transactions at prices ranging from $1.34 and $1.48, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"The Class A Subordinate Voting Shares purchased in this transaction were purchased directly by The Stagwell Group LLC (\"Stagwell\"). The Reporting Person is the controlling person of Stagwell. Stagwell is the manager of Stagwell Agency Holdings LLC, which directly holds 14,285,714 Class A Subordinate Voting Shares of the Issuer. The Reporting Person disclaims beneficial ownership of the securities reported herein except to the extent of his pecuniary interest therein, if any, and this report shall not be deemed an admission that the Reporting Person is the beneficial owner of, or has any pecuniary interest in, such securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose."}],"balance_after":14335714,"source":{"system":"sec-edgar","filing":"0001104659-20-038999","document":"tm2013996d1_4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/876883/000110465920038999/tm2013996d1_4.xml","form_type":"4"}},{"id":3194738,"issuer":{"id":4480,"kind":"organization","name":"Stagwell Inc","symbol":"STGW"},"owners":[{"id":24821,"kind":"person","name":"Penn Mark Jeffery","position":1,"cik":"0001771735","reported_name":"Penn Mark Jeffery","relationship":{"director":true,"officer":true,"ten_percent_owner":true,"other":false,"officer_title":"Chief Executive Officer"}}],"security":"Class A Subordinate Voting Shares","published_at":"2020-03-27T00:49:41.000Z","date":"2020-03-24","kind":"purchase","acquired":true,"shares":10000,"price":1.22,"value":12200.0,"ownership":{"direct":false,"nature":"See Footnote"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"The purchase price reported in Column 4 is an average price. These shares were purchased in multiple transactions at prices ranging from $1.20 and $1.23, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"The Class A Subordinate Voting Shares purchased in this transaction were purchased directly by The Stagwell Group LLC (\"Stagwell\"). The Reporting Person is the controlling person of Stagwell. Stagwell is the manager of Stagwell Agency Holdings LLC, which directly holds 14,285,714 Class A Subordinate Voting Shares of the Issuer. The Reporting Person disclaims beneficial ownership of the securities reported herein except to the extent of his pecuniary interest therein, if any, and this report shall not be deemed an admission that the Reporting Person is the beneficial owner of, or has any pecuniary interest in, such securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose."}],"balance_after":14295714,"source":{"system":"sec-edgar","filing":"0001104659-20-038999","document":"tm2013996d1_4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/876883/000110465920038999/tm2013996d1_4.xml","form_type":"4"}},{"id":3198475,"issuer":{"id":4480,"kind":"organization","name":"Stagwell Inc","symbol":"STGW"},"owners":[{"id":24821,"kind":"person","name":"Penn Mark Jeffery","position":1,"cik":"0001771735","reported_name":"Penn Mark Jeffery","relationship":{"director":true,"officer":true,"ten_percent_owner":true,"other":false,"officer_title":"Chief Executive Officer"}}],"security":"Class A Subordinate Voting Shares","published_at":"2020-03-24T01:01:04.000Z","date":"2020-03-20","kind":"purchase","acquired":true,"shares":25000,"price":1.38,"value":34500.0,"ownership":{"direct":true},"footnotes":[{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F1","text":"Includes 577,500 shares of unvested Restricted Stock (Class A Subordinate Voting Shares) of the Issuer."}],"balance_after":602500,"source":{"system":"sec-edgar","filing":"0001387131-20-003124","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/876883/000138713120003124/ownership.xml","form_type":"4"}},{"id":3379198,"issuer":{"id":4480,"kind":"organization","name":"Stagwell Inc","symbol":"STGW"},"owners":[{"id":24821,"kind":"person","name":"Penn Mark Jeffery","position":1,"cik":"0001771735","reported_name":"Penn Mark Jeffery","relationship":{"director":true,"officer":true,"ten_percent_owner":true,"other":false,"officer_title":"Chief Executive Officer"}}],"security":"Class A Shares","published_at":"2019-11-06T23:18:18.000Z","date":"2019-11-04","kind":"grant","acquired":true,"shares":577500,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"577,500 shares of Restricted Stock (Class A Shares) of the Issuer were awarded on November 4, 2019. Shares will vest on December 31, 2022 subject to achievement of financial performance targets and continued employment."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F1","text":"577,500 shares of Restricted Stock (Class A Shares) of the Issuer were awarded on November 4, 2019. Shares will vest on December 31, 2022 subject to achievement of financial performance targets and continued employment."}],"balance_after":577500,"source":{"system":"sec-edgar","filing":"0001104659-19-060623","document":"tv531781_4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/876883/000110465919060623/tv531781_4.xml","form_type":"4"}},{"id":3559672,"issuer":{"id":4480,"kind":"organization","name":"Stagwell Inc","symbol":"STGW"},"owners":[{"id":24821,"kind":"person","name":"Penn Mark Jeffery","position":1,"cik":"0001771735","reported_name":"Penn Mark Jeffery","relationship":{"director":true,"officer":true,"ten_percent_owner":true,"other":false,"officer_title":"Chief Executive Officer"}}],"security":"Stock Appreciation Rights","published_at":"2019-04-09T15:03:29.000Z","date":"2019-04-05","kind":"grant","acquired":true,"shares":1500000,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"security","element":"securityTitle","label":"F1","text":"SARs granted April 5, 2019 to the reporting person vest and are exercisable in three equal installments (each consisting of 500,000 underlying Class A Shares) on each of the first three (3) anniversaries of March 18, 2019, and expire on March 18, 2024. These SAR's shall be settled in the form of Class A Shares, subject to certain regulatory exceptions upon which the SARs may be settled in cash."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"SARs granted April 5, 2019 to the reporting person vest and are exercisable in three equal installments (each consisting of 500,000 underlying Class A Shares) on each of the first three (3) anniversaries of March 18, 2019, and expire on March 18, 2024. These SAR's shall be settled in the form of Class A Shares, subject to certain regulatory exceptions upon which the SARs may be settled in cash."}],"balance_after":1500000,"derivative":{"exercise_price":2.19,"exercise_date":"2020-03-18","expiration_date":"2024-03-18","underlying":"Class A Shares","underlying_shares":1500000},"source":{"system":"sec-edgar","filing":"0001144204-19-018767","document":"tv518165_4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/876883/000114420419018767/tv518165_4.xml","form_type":"4"}}]}