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Fractional amounts have been rounded to the nearest whole number."}],"balance_after":122794,"source":{"system":"sec-edgar","filing":"0001780643-26-000005","document":"wk-form4_1772578047.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/5513/000178064326000005/wk-form4_1772578047.xml","form_type":"4"}},{"id":873105,"issuer":{"id":3369,"kind":"organization","name":"Unum Group","symbol":"UNM"},"owners":[{"id":63844,"kind":"person","name":"Zabel Steven Andrew","position":1,"cik":"0001780643","reported_name":"Zabel Steven Andrew","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP, Chief Financial Officer"}}],"security":"Common Stock","published_at":"2026-03-03T22:47:30.000Z","date":"2026-03-01","kind":"tax_withholding","planned":false,"acquired":false,"shares":1857,"price":71.73,"value":133202.61,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F5","text":"Shares withheld to satisfy tax withholding obligation applicable to the vesting of 5,017 stock-settled RSUs."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F6","text":"Includes 18,791 stock-settled RSUs and 86,163 shares of common stock. Fractional amounts have been rounded to the nearest whole number."}],"balance_after":104954,"source":{"system":"sec-edgar","filing":"0001780643-26-000005","document":"wk-form4_1772578047.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/5513/000178064326000005/wk-form4_1772578047.xml","form_type":"4"}},{"id":873104,"issuer":{"id":3369,"kind":"organization","name":"Unum Group","symbol":"UNM"},"owners":[{"id":63844,"kind":"person","name":"Zabel Steven Andrew","position":1,"cik":"0001780643","reported_name":"Zabel Steven Andrew","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP, Chief Financial Officer"}}],"security":"Common Stock","published_at":"2026-03-03T22:47:30.000Z","date":"2026-03-01","kind":"tax_withholding","planned":false,"acquired":false,"shares":3090,"price":71.73,"value":221645.7,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F3","text":"Shares withheld to satisfy tax withholding obligation applicable to the vesting of 8,350 stock-settled RSUs."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F4","text":"Includes 23,808 stock-settled RSUs and 83,003 shares of common stock. Fractional amounts have been rounded to the nearest whole number."}],"balance_after":106811,"source":{"system":"sec-edgar","filing":"0001780643-26-000005","document":"wk-form4_1772578047.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/5513/000178064326000005/wk-form4_1772578047.xml","form_type":"4"}},{"id":873103,"issuer":{"id":3369,"kind":"organization","name":"Unum Group","symbol":"UNM"},"owners":[{"id":63844,"kind":"person","name":"Zabel Steven Andrew","position":1,"cik":"0001780643","reported_name":"Zabel Steven Andrew","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP, Chief Financial Officer"}}],"security":"Common Stock","published_at":"2026-03-03T22:47:30.000Z","date":"2026-03-01","kind":"tax_withholding","planned":false,"acquired":false,"shares":2430,"price":71.73,"value":174303.9,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Shares withheld to satisfy tax withholding obligation applicable to the vesting of 6,566 stock-settled RSUs (as defined in footnote (2) below)."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Includes 32,158 restricted stock units and 77,743 shares of common stock. All restricted stock units (\"stock-settled RSUs\") may be settled, on a 1-for-1 basis, only in shares of common stock. Fractional amounts have been rounded to the nearest whole number."}],"balance_after":109901,"source":{"system":"sec-edgar","filing":"0001780643-26-000005","document":"wk-form4_1772578047.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/5513/000178064326000005/wk-form4_1772578047.xml","form_type":"4"}},{"id":900173,"issuer":{"id":3369,"kind":"organization","name":"Unum Group","symbol":"UNM"},"owners":[{"id":63844,"kind":"person","name":"Zabel Steven Andrew","position":1,"cik":"0001780643","reported_name":"Zabel Steven Andrew","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP, Chief Financial Officer"}}],"security":"Common Stock","published_at":"2026-02-18T23:56:19.000Z","date":"2026-02-16","kind":"tax_withholding","planned":false,"acquired":false,"shares":1516,"price":71.64,"value":108606.24,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Shares withheld to satisfy tax withholding obligation applicable to the vesting of 3,852 stock success units (\"SSUs\"), representing the third and final vesting tranche, or approximately one-third, of the SSUs originally granted on August 20, 2020, and the certification of the achievement of the performance metrics for the performance period from January 1, 2021 to December 31, 2025. SSUs could be settled, on a 1-for-1 basis, only in shares of common stock."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Beneficial ownership amount accounts for the exempt acquisition of 40.143 shares of common stock under the issuer's employee stock purchase plan since the date of the reporting person's prior Form 4."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"Includes 38,724 restricted stock units and 73,607 shares of common stock. All restricted stock units (\"stock-settled RSUs\") may be settled, on a 1-for-1 basis, only in shares of common stock. Fractional amounts have been rounded to the nearest whole number."}],"balance_after":112331,"source":{"system":"sec-edgar","filing":"0001780643-26-000003","document":"wk-form4_1771458976.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/5513/000178064326000003/wk-form4_1771458976.xml","form_type":"4"}},{"id":992133,"issuer":{"id":3369,"kind":"organization","name":"Unum Group","symbol":"UNM"},"owners":[{"id":63844,"kind":"person","name":"Zabel Steven Andrew","position":1,"cik":"0001780643","reported_name":"Zabel Steven Andrew","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP, Chief Financial Officer"}}],"security":"Common Stock","published_at":"2025-11-21T22:13:43.000Z","date":"2025-11-19","kind":"sale","planned":false,"acquired":false,"shares":7500,"price":76.382,"value":572865.0,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Reflects the weighted average price for multiple sale transactions ranging in price from $76.36 per share to $76.44 per share, 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":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Beneficial ownership amount accounts for the exempt acquisitions of an aggregate of 105.549 shares of common stock under the issuer's employee stock purchase plan since the date of the reporting person's prior Form 4."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"Includes 38,724 restricted stock units, 3,852 stock success units, and 71,231 shares of common stock. All restricted stock units (\"stock-settled RSUs\") and stock success units (\"SSUs\") may be settled, on a 1-for-1 basis, only in shares of common stock. Fractional amounts have been rounded to the nearest whole number."}],"balance_after":113807,"source":{"system":"sec-edgar","filing":"0001780643-25-000005","document":"wk-form4_1763763220.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/5513/000178064325000005/wk-form4_1763763220.xml","form_type":"4"}},{"id":1234804,"issuer":{"id":3369,"kind":"organization","name":"Unum Group","symbol":"UNM"},"owners":[{"id":63844,"kind":"person","name":"Zabel Steven Andrew","position":1,"cik":"0001780643","reported_name":"Zabel Steven Andrew","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP, Chief Financial Officer"}}],"security":"Common Stock","published_at":"2025-03-04T23:00:52.000Z","date":"2025-03-01","kind":"grant","planned":false,"acquired":true,"shares":15205,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F8","text":"All are stock-settled RSUs, which vest in three near-equal annual installments beginning on March 1, 2026."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F9","text":"Includes 38,724 stock-settled RSUs, 3,852 SSUs, and 78,626 shares of common stock. Fractional amounts have been rounded to the nearest whole number."}],"balance_after":121202,"source":{"system":"sec-edgar","filing":"0000005513-25-000033","document":"wk-form4_1741129243.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/5513/000000551325000033/wk-form4_1741129243.xml","form_type":"4"}},{"id":1234803,"issuer":{"id":3369,"kind":"organization","name":"Unum Group","symbol":"UNM"},"owners":[{"id":63844,"kind":"person","name":"Zabel Steven Andrew","position":1,"cik":"0001780643","reported_name":"Zabel Steven Andrew","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP, Chief Financial Officer"}}],"security":"Common Stock","published_at":"2025-03-04T23:00:52.000Z","date":"2025-03-01","kind":"tax_withholding","planned":false,"acquired":false,"shares":3090,"price":82.29,"value":254276.1,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F6","text":"Shares withheld to satisfy tax withholding obligation applicable to the vesting of 8,349 stock-settled RSUs."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F7","text":"Includes 23,519 stock-settled RSUs, 3,852 SSUs, and 78,626 shares of common stock. Fractional amounts have been rounded to the nearest whole number."}],"balance_after":105997,"source":{"system":"sec-edgar","filing":"0000005513-25-000033","document":"wk-form4_1741129243.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/5513/000000551325000033/wk-form4_1741129243.xml","form_type":"4"}},{"id":1234802,"issuer":{"id":3369,"kind":"organization","name":"Unum Group","symbol":"UNM"},"owners":[{"id":63844,"kind":"person","name":"Zabel Steven Andrew","position":1,"cik":"0001780643","reported_name":"Zabel Steven Andrew","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP, Chief Financial Officer"}}],"security":"Common Stock","published_at":"2025-03-04T23:00:52.000Z","date":"2025-03-01","kind":"tax_withholding","planned":false,"acquired":false,"shares":2359,"price":82.29,"value":194122.11,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F4","text":"Shares withheld to satisfy tax withholding obligation applicable to the vesting of 6,373 stock-settled RSUs."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F5","text":"Includes 31,868 stock-settled RSUs, 3,852 SSUs, and 73,367 shares of common stock. Fractional amounts have been rounded to the nearest whole number."}],"balance_after":109087,"source":{"system":"sec-edgar","filing":"0000005513-25-000033","document":"wk-form4_1741129243.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/5513/000000551325000033/wk-form4_1741129243.xml","form_type":"4"}},{"id":1234801,"issuer":{"id":3369,"kind":"organization","name":"Unum Group","symbol":"UNM"},"owners":[{"id":63844,"kind":"person","name":"Zabel Steven Andrew","position":1,"cik":"0001780643","reported_name":"Zabel Steven Andrew","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP, Chief Financial Officer"}}],"security":"Common Stock","published_at":"2025-03-04T23:00:52.000Z","date":"2025-03-01","kind":"tax_withholding","planned":false,"acquired":false,"shares":3621,"price":82.29,"value":297972.09,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Shares withheld to satisfy tax withholding obligation applicable to the vesting of 9,784 stock-settled RSUs (as defined in footnote (2) below)."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Includes 38,241 restricted stock units, 3,852 stock success units, and 69,353 shares of common stock. All restricted stock units (\"stock-settled RSUs\") and stock success units (\"SSUs\") may be settled, on a 1-for-1 basis, only in shares of common stock. Fractional amounts have been rounded to the nearest whole number."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"Beneficial ownership amount accounts for the exempt acquisition of 42.598 shares of common stock under the issuer's employee stock purchase plan since the date of the reporting person's prior Form 4."}],"balance_after":111446,"source":{"system":"sec-edgar","filing":"0000005513-25-000033","document":"wk-form4_1741129243.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/5513/000000551325000033/wk-form4_1741129243.xml","form_type":"4"}},{"id":1370723,"issuer":{"id":3369,"kind":"organization","name":"Unum Group","symbol":"UNM"},"owners":[{"id":63844,"kind":"person","name":"Zabel Steven Andrew","position":1,"cik":"0001780643","reported_name":"Zabel Steven Andrew","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP, Chief Financial Officer"}}],"security":"Common Stock","published_at":"2024-11-12T22:40:24.000Z","date":"2024-11-08","kind":"sale","planned":false,"acquired":false,"shares":7300,"price":69.32,"value":506036.0,"ownership":{"direct":true},"footnotes":[{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F1","text":"Beneficial ownership amount accounts for the exempt acquisitions of an aggregate of 77.715 shares of common stock under the issuer's employee stock purchase plan since the date of the reporting person's prior Form 4."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Includes 48,025 restricted stock units, 3,852 stock success units, and 63,147 shares of common stock. All restricted stock units (\"stock-settled RSUs\") and stock success units (\"SSUs\") may be settled, on a 1-for-1 basis, only in shares of common stock. Fractional amounts have been rounded to the nearest whole number."}],"balance_after":115024,"source":{"system":"sec-edgar","filing":"0000005513-24-000173","document":"wk-form4_1731451216.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/5513/000000551324000173/wk-form4_1731451216.xml","form_type":"4"}},{"id":1576039,"issuer":{"id":3369,"kind":"organization","name":"Unum Group","symbol":"UNM"},"owners":[{"id":63844,"kind":"person","name":"Zabel Steven Andrew","position":1,"cik":"0001780643","reported_name":"Zabel Steven Andrew","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP, Chief Financial Officer"}}],"security":"Common Stock","published_at":"2024-03-15T21:36:01.000Z","date":"2024-03-13","kind":"sale","planned":true,"acquired":false,"shares":10000,"price":51.06,"value":510600.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The transactions reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 17, 2023."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Includes 48,025 restricted stock units, 3,852 stock success units, and 70,369 shares of common stock. All restricted stock units (\"stock-settled RSUs\") and stock success units (\"SSUs\") may be settled, on a 1-for-1 basis, only in shares of common stock. Fractional amounts have been rounded to the nearest whole number."}],"balance_after":122246,"source":{"system":"sec-edgar","filing":"0000005513-24-000064","document":"wk-form4_1710538549.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/5513/000000551324000064/wk-form4_1710538549.xml","form_type":"4"}},{"id":1601984,"issuer":{"id":3369,"kind":"organization","name":"Unum Group","symbol":"UNM"},"owners":[{"id":63844,"kind":"person","name":"Zabel Steven Andrew","position":1,"cik":"0001780643","reported_name":"Zabel Steven Andrew","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP, Chief Financial Officer"}}],"security":"Common Stock","published_at":"2024-03-05T23:34:56.000Z","date":"2024-03-01","kind":"grant","planned":false,"acquired":true,"shares":25302,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F7","text":"All are stock-settled RSUs, which vest in three near-equal annual installments beginning on March 1, 2025."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F8","text":"Includes 48,025 stock-settled RSUs, 3,852 SSUs, and 80,369 shares of common stock. Fractional amounts have been rounded to the nearest whole number."}],"balance_after":132246,"source":{"system":"sec-edgar","filing":"0000005513-24-000061","document":"wk-form4_1709681686.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/5513/000000551324000061/wk-form4_1709681686.xml","form_type":"4"}},{"id":1601983,"issuer":{"id":3369,"kind":"organization","name":"Unum Group","symbol":"UNM"},"owners":[{"id":63844,"kind":"person","name":"Zabel Steven Andrew","position":1,"cik":"0001780643","reported_name":"Zabel Steven Andrew","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP, Chief Financial Officer"}}],"security":"Common Stock","published_at":"2024-03-05T23:34:56.000Z","date":"2024-03-01","kind":"tax_withholding","planned":false,"acquired":false,"shares":2358,"price":49.3,"value":116249.4,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F5","text":"Shares withheld to satisfy tax withholding obligation applicable to the vesting of 6,372 stock-settled RSUs."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F6","text":"Includes 22,723 stock-settled RSUs, 3,852 SSUs, and 80,369 shares of common stock. Fractional amounts have been rounded to the nearest whole number."}],"balance_after":106944,"source":{"system":"sec-edgar","filing":"0000005513-24-000061","document":"wk-form4_1709681686.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/5513/000000551324000061/wk-form4_1709681686.xml","form_type":"4"}},{"id":1601982,"issuer":{"id":3369,"kind":"organization","name":"Unum Group","symbol":"UNM"},"owners":[{"id":63844,"kind":"person","name":"Zabel Steven Andrew","position":1,"cik":"0001780643","reported_name":"Zabel Steven Andrew","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP, Chief Financial Officer"}}],"security":"Common Stock","published_at":"2024-03-05T23:34:56.000Z","date":"2024-03-01","kind":"tax_withholding","planned":false,"acquired":false,"shares":3514,"price":49.3,"value":173240.2,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F3","text":"Shares withheld to satisfy tax withholding obligation applicable to the vesting of 9,495 stock-settled RSUs."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F4","text":"Includes 29,095 stock-settled RSUs, 3,852 SSUs, and 76,355 shares of common stock. Fractional amounts have been rounded to the nearest whole number."}],"balance_after":109302,"source":{"system":"sec-edgar","filing":"0000005513-24-000061","document":"wk-form4_1709681686.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/5513/000000551324000061/wk-form4_1709681686.xml","form_type":"4"}},{"id":1601981,"issuer":{"id":3369,"kind":"organization","name":"Unum Group","symbol":"UNM"},"owners":[{"id":63844,"kind":"person","name":"Zabel Steven Andrew","position":1,"cik":"0001780643","reported_name":"Zabel Steven Andrew","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP, Chief Financial Officer"}}],"security":"Common Stock","published_at":"2024-03-05T23:34:56.000Z","date":"2024-03-01","kind":"tax_withholding","planned":false,"acquired":false,"shares":2776,"price":49.3,"value":136856.8,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Shares withheld to satisfy tax withholding obligation applicable to the vesting of 7,501 stock-settled RSUs (as defined in footnote (2) below)."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Includes 38,590 restricted stock units, 3,852 stock success units, and 70,374 shares of common stock. All restricted stock units (\"stock-settled RSUs\") and stock success units (\"SSUs\") may be settled, on a 1-for-1 basis, only in shares of common stock. Fractional amounts have been rounded to the nearest whole number."}],"balance_after":112816,"source":{"system":"sec-edgar","filing":"0000005513-24-000061","document":"wk-form4_1709681686.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/5513/000000551324000061/wk-form4_1709681686.xml","form_type":"4"}},{"id":1632320,"issuer":{"id":3369,"kind":"organization","name":"Unum Group","symbol":"UNM"},"owners":[{"id":63844,"kind":"person","name":"Zabel Steven Andrew","position":1,"cik":"0001780643","reported_name":"Zabel Steven Andrew","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP, Chief Financial Officer"}}],"security":"Common Stock","published_at":"2024-02-21T23:58:15.000Z","date":"2024-02-19","kind":"tax_withholding","planned":false,"acquired":false,"shares":1471,"price":48.73,"value":71681.83,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Shares withheld to satisfy tax withholding obligation applicable to the vesting of 3,738 SSUs (as defined in footnote (3) below), representing the second vesting tranche, or approximately one-third, of the SSUs originally granted on August 20, 2020, and the certification of the achievement of the performance metrics for the performance period from January 1, 2021 to December 31, 2023."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Beneficial ownership amount accounts for the exempt acquisitions of an aggregate of 127.823 shares of common stock under the issuer's employee stock purchase plan since the date of the reporting person's prior Form 4."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"Includes 46,091 restricted stock units, 3,852 stock success units, and 65,649 shares of common stock. 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All restricted stock units (\"stock-settled RSUs\") and SSUs may be settled, on a 1-for-1 basis, only in shares of common stock. 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Fractional amounts have been rounded to the nearest whole number."}],"balance_after":43688,"source":{"system":"sec-edgar","filing":"0000005513-21-000035","document":"wf-form4_161429675173035.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/5513/000000551321000035/wf-form4_161429675173035.xml","form_type":"4"}},{"id":2834912,"issuer":{"id":3369,"kind":"organization","name":"Unum Group","symbol":"UNM"},"owners":[{"id":63844,"kind":"person","name":"Zabel Steven Andrew","position":1,"cik":"0001780643","reported_name":"Zabel Steven Andrew","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP, Chief Financial Officer"}}],"security":"Common Stock","published_at":"2021-02-25T23:46:06.000Z","date":"2021-02-23","kind":"grant","acquired":true,"shares":650.427,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents shares of common stock earned from a target number of performance share units awarded on March 1, 2018 (\"2018 PSUs\"). The shares were earned upon the vesting of the 2018 PSUs and the certification of the levels of achievement of the performance metrics measured over the three-year performance period ended December 31, 2020."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Includes 20,424 restricted stock units, 11,328 stock success units, and 12,129 shares of common stock. All restricted stock units (\"stock-settled RSUs\") and stock success units (\"SSUs\") may be settled, on a 1-for-1 basis, only in shares of common stock. Fractional amounts have been rounded to the nearest whole number."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"Beneficial ownership amount accounts for the exempt acquisitions of an aggregate of 150.520 shares of common stock under the issuer's employee stock purchase plan and 118.668 stock-settled RSUs pursuant to the reinvestment of dividends since the date of the reporting person's prior Form 4."}],"balance_after":43881,"source":{"system":"sec-edgar","filing":"0000005513-21-000035","document":"wf-form4_161429675173035.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/5513/000000551321000035/wf-form4_161429675173035.xml","form_type":"4"}},{"id":3047290,"issuer":{"id":3369,"kind":"organization","name":"Unum Group","symbol":"UNM"},"owners":[{"id":63844,"kind":"person","name":"Zabel Steven Andrew","position":1,"cik":"0001780643","reported_name":"Zabel Steven Andrew","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP, Chief Financial Officer"}}],"security":"Common Stock","published_at":"2020-08-26T23:32:09.000Z","date":"2020-08-24","kind":"grant","acquired":true,"shares":11328,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"All are stock success units (\"SSUs\"), which may be settled, on a 1-for-1 basis, only in shares of common stock. The SSUs will vest in full on the sixth anniversary of the grant date, subject to the reporting person's continued employment, unless vesting is accelerated based on the achievement of specific performance hurdles measured over one-, three- and five-year performance periods that begin January 1, 2021. One-third of the SSUs will be eligible to accelerate and vest on a cumulative basis on the last day of each performance period, in each case conditioned upon achievement of the performance hurdles during the applicable performance period. In connection with the grant of SSUs, the reporting person has committed to hold an equal number of shares of common stock currently owned by the reporting person and any sale of such committed shares prior to the vesting of SSUs will result in the immediate proportional forfeiture of any unvested SSUs."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Includes 20,305 restricted stock units, which may be settled, on a 1-for-1 basis, only in shares of common stock (\"stock-settled RSUs\"), 11,328 SSUs, and 11,328 shares of common stock. Fractional amounts have been rounded to the nearest whole number."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"Beneficial ownership amount accounts for the exempt acquisitions of an aggregate of 184.002 shares of common stock under the issuer's employee stock purchase plan and 171.626 stock-settled RSUs pursuant to the reinvestment of dividends since the date of the reporting person's prior Form 4."}],"balance_after":42962,"source":{"system":"sec-edgar","filing":"0000005513-20-000143","document":"wf-form4_159848470757257.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/5513/000000551320000143/wf-form4_159848470757257.xml","form_type":"4"}},{"id":3236998,"issuer":{"id":3369,"kind":"organization","name":"Unum Group","symbol":"UNM"},"owners":[{"id":63844,"kind":"person","name":"Zabel Steven Andrew","position":1,"cik":"0001780643","reported_name":"Zabel Steven Andrew","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP, Chief Financial Officer"}}],"security":"Common Stock","published_at":"2020-03-04T00:21:46.000Z","date":"2020-03-01","kind":"grant","acquired":true,"shares":15479,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F7","text":"All are stock-settled RSUs, which vest in three equal annual installments beginning on March 1, 2021."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F8","text":"Includes 20,134 stock-settled RSUs and 11,144 shares of common stock. Fractional amounts have been rounded to the nearest whole number."}],"balance_after":31278,"source":{"system":"sec-edgar","filing":"0000005513-20-000070","document":"wf-form4_158328126395141.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/5513/000000551320000070/wf-form4_158328126395141.xml","form_type":"4"}},{"id":3236997,"issuer":{"id":3369,"kind":"organization","name":"Unum Group","symbol":"UNM"},"owners":[{"id":63844,"kind":"person","name":"Zabel Steven Andrew","position":1,"cik":"0001780643","reported_name":"Zabel Steven Andrew","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP, Chief Financial Officer"}}],"security":"Common Stock","published_at":"2020-03-04T00:21:46.000Z","date":"2020-03-01","kind":"tax_withholding","acquired":false,"shares":445,"price":23.31,"value":10372.95,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F5","text":"Shares withheld to satisfy tax withholding obligation applicable to the vesting of 1,872.152 stock-settled RSUs."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F6","text":"Includes 4,655 stock-settled RSUs and 11,144 shares of common stock. Fractional amounts have been rounded to the nearest whole number."}],"balance_after":15799,"source":{"system":"sec-edgar","filing":"0000005513-20-000070","document":"wf-form4_158328126395141.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/5513/000000551320000070/wf-form4_158328126395141.xml","form_type":"4"}},{"id":3236996,"issuer":{"id":3369,"kind":"organization","name":"Unum Group","symbol":"UNM"},"owners":[{"id":63844,"kind":"person","name":"Zabel Steven Andrew","position":1,"cik":"0001780643","reported_name":"Zabel Steven Andrew","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP, Chief Financial Officer"}}],"security":"Common Stock","published_at":"2020-03-04T00:21:46.000Z","date":"2020-03-01","kind":"tax_withholding","acquired":false,"shares":194,"price":23.31,"value":4522.14,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F3","text":"Shares withheld to satisfy tax withholding obligation applicable to the vesting of 825.585 stock-settled RSUs."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F4","text":"Includes 6,527 stock-settled RSUs and 9,717 shares of common stock. Fractional amounts have been rounded to the nearest whole number."}],"balance_after":16244,"source":{"system":"sec-edgar","filing":"0000005513-20-000070","document":"wf-form4_158328126395141.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/5513/000000551320000070/wf-form4_158328126395141.xml","form_type":"4"}},{"id":3236995,"issuer":{"id":3369,"kind":"organization","name":"Unum Group","symbol":"UNM"},"owners":[{"id":63844,"kind":"person","name":"Zabel Steven Andrew","position":1,"cik":"0001780643","reported_name":"Zabel Steven Andrew","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP, Chief Financial Officer"}}],"security":"Common Stock","published_at":"2020-03-04T00:21:46.000Z","date":"2020-03-01","kind":"tax_withholding","acquired":false,"shares":242,"price":23.31,"value":5641.02,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Shares withheld to satisfy tax withholding obligation applicable to the vesting of 942.520 stock-settled RSUs (as defined in footnote (2) below)."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Includes 7,352 restricted stock units, which may be settled, on a 1-for-1 basis, only in shares of common stock (\"stock-settled RSUs\"), and 9,086 shares of common stock. Fractional amounts have been rounded to the nearest whole number."}],"balance_after":16438,"source":{"system":"sec-edgar","filing":"0000005513-20-000070","document":"wf-form4_158328126395141.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/5513/000000551320000070/wf-form4_158328126395141.xml","form_type":"4"}},{"id":3245598,"issuer":{"id":3369,"kind":"organization","name":"Unum Group","symbol":"UNM"},"owners":[{"id":63844,"kind":"person","name":"Zabel Steven Andrew","position":1,"cik":"0001780643","reported_name":"Zabel Steven Andrew","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP, Chief Financial Officer"}}],"security":"Common Stock","published_at":"2020-02-28T01:28:45.000Z","date":"2020-02-25","kind":"tax_withholding","acquired":false,"shares":239,"price":25.6,"value":6118.4,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F4","text":"Shares withheld to satisfy tax withholding obligation applicable to the vesting of the earned 2017 PSUs."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F5","text":"Includes 8,295 stock-settled RSUs and 8,385 shares of common stock. Fractional amounts have been rounded to the nearest whole number."}],"balance_after":16680,"source":{"system":"sec-edgar","filing":"0000005513-20-000046","document":"wf-form4_158285330878597.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/5513/000000551320000046/wf-form4_158285330878597.xml","form_type":"4"}},{"id":3245597,"issuer":{"id":3369,"kind":"organization","name":"Unum Group","symbol":"UNM"},"owners":[{"id":63844,"kind":"person","name":"Zabel Steven Andrew","position":1,"cik":"0001780643","reported_name":"Zabel Steven Andrew","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP, Chief Financial Officer"}}],"security":"Common Stock","published_at":"2020-02-28T01:28:45.000Z","date":"2020-02-25","kind":"grant","acquired":true,"shares":804.834,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents shares of common stock earned from a target number of performance share units awarded on March 1, 2017 (\"2017 PSUs\"). The shares were earned upon the vesting of the 2017 PSUs and the certification of the levels of achievement of the performance metrics measured over the three-year performance period ended December 31, 2019."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Includes 8,295 restricted stock units, which may be settled, on a 1-for-1 basis, only in shares of common stock (\"stock-settled RSUs\"), and 8,624 shares of common stock. Fractional amounts have been rounded to the nearest whole number."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"Beneficial ownership amount accounts for the exempt acquisitions of an aggregate of 98.068 shares of common stock under the issuer's employee stock purchase plan and 242.223 stock-settled RSUs pursuant to the reinvestment of dividends since the date of the reporting person's prior Form 4."}],"balance_after":16919,"source":{"system":"sec-edgar","filing":"0000005513-20-000046","document":"wf-form4_158285330878597.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/5513/000000551320000046/wf-form4_158285330878597.xml","form_type":"4"}}]}