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Fractional amounts have been rounded to the nearest whole number."}],"balance_after":51813,"source":{"system":"sec-edgar","filing":"0001629328-26-000006","document":"wk-form4_1772577106.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/5513/000162932826000006/wk-form4_1772577106.xml","form_type":"4"}},{"id":873084,"issuer":{"id":3369,"kind":"organization","name":"Unum Group","symbol":"UNM"},"owners":[{"id":63842,"kind":"person","name":"Arnold Timothy Gerald","position":1,"cik":"0001629328","reported_name":"Arnold Timothy Gerald","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP, VB & President, Colonial"}}],"security":"Common Stock","published_at":"2026-03-03T22:31:48.000Z","date":"2026-03-01","kind":"tax_withholding","planned":false,"acquired":false,"shares":1208,"price":71.73,"value":86649.84,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F3","text":"Shares withheld to satisfy tax withholding obligation applicable to the vesting of 3,263 stock-settled RSUs."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F4","text":"Includes 9,130 stock-settled RSUs and 43,388 shares of common stock. Fractional amounts have been rounded to the nearest whole number."}],"balance_after":52518,"source":{"system":"sec-edgar","filing":"0001629328-26-000006","document":"wk-form4_1772577106.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/5513/000162932826000006/wk-form4_1772577106.xml","form_type":"4"}},{"id":873083,"issuer":{"id":3369,"kind":"organization","name":"Unum Group","symbol":"UNM"},"owners":[{"id":63842,"kind":"person","name":"Arnold Timothy Gerald","position":1,"cik":"0001629328","reported_name":"Arnold Timothy Gerald","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP, VB & President, Colonial"}}],"security":"Common Stock","published_at":"2026-03-03T22:31:48.000Z","date":"2026-03-01","kind":"tax_withholding","planned":false,"acquired":false,"shares":906,"price":71.73,"value":64987.38,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Shares withheld to satisfy tax withholding obligation applicable to the vesting of 2,448 stock-settled RSUs (as defined in footnote (2) below)."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Includes 12,393 restricted stock units and 41,333 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":53726,"source":{"system":"sec-edgar","filing":"0001629328-26-000006","document":"wk-form4_1772577106.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/5513/000162932826000006/wk-form4_1772577106.xml","form_type":"4"}},{"id":900169,"issuer":{"id":3369,"kind":"organization","name":"Unum Group","symbol":"UNM"},"owners":[{"id":63842,"kind":"person","name":"Arnold Timothy Gerald","position":1,"cik":"0001629328","reported_name":"Arnold Timothy Gerald","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP, VB & President, Colonial"}}],"security":"Common Stock","published_at":"2026-02-18T23:51:32.000Z","date":"2026-02-16","kind":"tax_withholding","planned":false,"acquired":false,"shares":2227,"price":71.64,"value":159542.28,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Shares withheld to satisfy tax withholding obligation applicable to the vesting of 5,658 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 acquisitions of an aggregate of 18.212 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 14,841 restricted stock units and 39,791 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":54632,"source":{"system":"sec-edgar","filing":"0001629328-26-000003","document":"wk-form4_1771458689.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/5513/000162932826000003/wk-form4_1771458689.xml","form_type":"4"}},{"id":1234771,"issuer":{"id":3369,"kind":"organization","name":"Unum Group","symbol":"UNM"},"owners":[{"id":63842,"kind":"person","name":"Arnold Timothy Gerald","position":1,"cik":"0001629328","reported_name":"Arnold Timothy Gerald","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP, VB & President, Colonial"}}],"security":"Common Stock","published_at":"2025-03-04T22:42:51.000Z","date":"2025-03-01","kind":"grant","planned":false,"acquired":true,"shares":5767,"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 14,841 stock-settled RSUs, 5,658 SSUs, and 36,342 shares of common stock. Fractional amounts have been rounded to the nearest whole number."}],"balance_after":56841,"source":{"system":"sec-edgar","filing":"0000005513-25-000019","document":"wk-form4_1741128165.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/5513/000000551325000019/wk-form4_1741128165.xml","form_type":"4"}},{"id":1234770,"issuer":{"id":3369,"kind":"organization","name":"Unum Group","symbol":"UNM"},"owners":[{"id":63842,"kind":"person","name":"Arnold Timothy Gerald","position":1,"cik":"0001629328","reported_name":"Arnold Timothy Gerald","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP, VB & President, Colonial"}}],"security":"Common Stock","published_at":"2025-03-04T22:42:51.000Z","date":"2025-03-01","kind":"tax_withholding","planned":false,"acquired":false,"shares":1208,"price":82.29,"value":99406.32,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F6","text":"Shares withheld to satisfy tax withholding obligation applicable to the vesting of 3,263 stock-settled RSUs."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F7","text":"Includes 9,074 stock-settled RSUs, 5,658 SSUs, and 36,342 shares of common stock. Fractional amounts have been rounded to the nearest whole number."}],"balance_after":51074,"source":{"system":"sec-edgar","filing":"0000005513-25-000019","document":"wk-form4_1741128165.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/5513/000000551325000019/wk-form4_1741128165.xml","form_type":"4"}},{"id":1234769,"issuer":{"id":3369,"kind":"organization","name":"Unum Group","symbol":"UNM"},"owners":[{"id":63842,"kind":"person","name":"Arnold Timothy Gerald","position":1,"cik":"0001629328","reported_name":"Arnold Timothy Gerald","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP, VB & President, Colonial"}}],"security":"Common Stock","published_at":"2025-03-04T22:42:51.000Z","date":"2025-03-01","kind":"tax_withholding","planned":false,"acquired":false,"shares":671,"price":82.29,"value":55216.59,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F4","text":"Shares withheld to satisfy tax withholding obligation applicable to the vesting of 2,376 stock-settled RSUs."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F5","text":"Includes 12,337 stock-settled RSUs, 5,658 SSUs, and 34,287 shares of common stock. Fractional amounts have been rounded to the nearest whole number."}],"balance_after":52282,"source":{"system":"sec-edgar","filing":"0000005513-25-000019","document":"wk-form4_1741128165.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/5513/000000551325000019/wk-form4_1741128165.xml","form_type":"4"}},{"id":1234768,"issuer":{"id":3369,"kind":"organization","name":"Unum Group","symbol":"UNM"},"owners":[{"id":63842,"kind":"person","name":"Arnold Timothy Gerald","position":1,"cik":"0001629328","reported_name":"Arnold Timothy Gerald","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP, VB & President, Colonial"}}],"security":"Common Stock","published_at":"2025-03-04T22:42:51.000Z","date":"2025-03-01","kind":"tax_withholding","planned":false,"acquired":false,"shares":1879,"price":82.29,"value":154622.91,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Shares withheld to satisfy tax withholding obligation applicable to the vesting of 4,349 stock-settled RSUs (as defined in footnote (2) below)."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Includes 14,713 restricted stock units, 5,658 stock success units, and 32,582 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 5.325 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":52953,"source":{"system":"sec-edgar","filing":"0000005513-25-000019","document":"wk-form4_1741128165.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/5513/000000551325000019/wk-form4_1741128165.xml","form_type":"4"}},{"id":1348058,"issuer":{"id":3369,"kind":"organization","name":"Unum Group","symbol":"UNM"},"owners":[{"id":63842,"kind":"person","name":"Arnold Timothy Gerald","position":1,"cik":"0001629328","reported_name":"Arnold Timothy Gerald","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP, VB & President, Colonial"}}],"security":"Common Stock","published_at":"2024-12-02T22:30:28.000Z","date":"2024-11-27","kind":"sale","planned":false,"acquired":false,"shares":10000,"price":76.9199,"value":769199.0,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Reflects the weighted average price for multiple sale transactions ranging in price from $76.89 per share to $77.00 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":"Includes 19,062 restricted stock units, 5,658 stock success units, and 30,107 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 an aggregate of 5.608 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":54827,"source":{"system":"sec-edgar","filing":"0000005513-24-000185","document":"wk-form4_1733178621.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/5513/000000551324000185/wk-form4_1733178621.xml","form_type":"4"}},{"id":1432139,"issuer":{"id":3369,"kind":"organization","name":"Unum Group","symbol":"UNM"},"owners":[{"id":63842,"kind":"person","name":"Arnold Timothy Gerald","position":1,"cik":"0001629328","reported_name":"Arnold Timothy Gerald","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP, VB & President, Colonial"}}],"security":"Common Stock","published_at":"2024-08-16T21:41:32.000Z","date":"2024-08-14","kind":"sale","planned":false,"acquired":false,"shares":10000,"price":54.1118,"value":541118.0,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Reflects the weighted average price for multiple sale transactions ranging in price from $54.09 per share to $54.15 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 13.821 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 19,062 restricted stock units, 5,658 stock success units, and 40,101 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":64821,"source":{"system":"sec-edgar","filing":"0000005513-24-000151","document":"wk-form4_1723844486.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/5513/000000551324000151/wk-form4_1723844486.xml","form_type":"4"}},{"id":1601948,"issuer":{"id":3369,"kind":"organization","name":"Unum Group","symbol":"UNM"},"owners":[{"id":63842,"kind":"person","name":"Arnold Timothy Gerald","position":1,"cik":"0001629328","reported_name":"Arnold Timothy Gerald","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP, VB & President, Colonial"}}],"security":"Common Stock","published_at":"2024-03-05T23:10:55.000Z","date":"2024-03-01","kind":"grant","planned":false,"acquired":true,"shares":9889,"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 19,062 stock-settled RSUs, 5,658 SSUs, and 50,087 shares of common stock. Fractional amounts have been rounded to the nearest whole number."}],"balance_after":74807,"source":{"system":"sec-edgar","filing":"0000005513-24-000045","document":"wk-form4_1709680247.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/5513/000000551324000045/wk-form4_1709680247.xml","form_type":"4"}},{"id":1601947,"issuer":{"id":3369,"kind":"organization","name":"Unum Group","symbol":"UNM"},"owners":[{"id":63842,"kind":"person","name":"Arnold Timothy Gerald","position":1,"cik":"0001629328","reported_name":"Arnold Timothy Gerald","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP, VB & President, Colonial"}}],"security":"Common Stock","published_at":"2024-03-05T23:10:55.000Z","date":"2024-03-01","kind":"tax_withholding","planned":false,"acquired":false,"shares":1032,"price":49.3,"value":50877.6,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F5","text":"Shares withheld to satisfy tax withholding obligation applicable to the vesting of 2,376 stock-settled RSUs."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F6","text":"Includes 9,173 stock-settled RSUs, 5,658 SSUs, and 50,087 shares of common stock. Fractional amounts have been rounded to the nearest whole number."}],"balance_after":64918,"source":{"system":"sec-edgar","filing":"0000005513-24-000045","document":"wk-form4_1709680247.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/5513/000000551324000045/wk-form4_1709680247.xml","form_type":"4"}},{"id":1601946,"issuer":{"id":3369,"kind":"organization","name":"Unum Group","symbol":"UNM"},"owners":[{"id":63842,"kind":"person","name":"Arnold Timothy Gerald","position":1,"cik":"0001629328","reported_name":"Arnold Timothy Gerald","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP, VB & President, Colonial"}}],"security":"Common Stock","published_at":"2024-03-05T23:10:55.000Z","date":"2024-03-01","kind":"tax_withholding","planned":false,"acquired":false,"shares":1832,"price":49.3,"value":90317.6,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F3","text":"Shares withheld to satisfy tax withholding obligation applicable to the vesting of 4,220 stock-settled RSUs."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F4","text":"Includes 11,549 stock-settled RSUs, 5,658 SSUs, and 48,743 shares of common stock. Fractional amounts have been rounded to the nearest whole number."}],"balance_after":65950,"source":{"system":"sec-edgar","filing":"0000005513-24-000045","document":"wk-form4_1709680247.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/5513/000000551324000045/wk-form4_1709680247.xml","form_type":"4"}},{"id":1601945,"issuer":{"id":3369,"kind":"organization","name":"Unum Group","symbol":"UNM"},"owners":[{"id":63842,"kind":"person","name":"Arnold Timothy Gerald","position":1,"cik":"0001629328","reported_name":"Arnold Timothy Gerald","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP, VB & President, Colonial"}}],"security":"Common Stock","published_at":"2024-03-05T23:10:55.000Z","date":"2024-03-01","kind":"tax_withholding","planned":false,"acquired":false,"shares":1781,"price":49.3,"value":87803.3,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Shares withheld to satisfy tax withholding obligation applicable to the vesting of 4,102 stock-settled RSUs (as defined in footnote (2) below)."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Includes 15,769 restricted stock units, 5,658 stock success units, and 46,355 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":67782,"source":{"system":"sec-edgar","filing":"0000005513-24-000045","document":"wk-form4_1709680247.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/5513/000000551324000045/wk-form4_1709680247.xml","form_type":"4"}},{"id":1632314,"issuer":{"id":3369,"kind":"organization","name":"Unum Group","symbol":"UNM"},"owners":[{"id":63842,"kind":"person","name":"Arnold Timothy Gerald","position":1,"cik":"0001629328","reported_name":"Arnold Timothy Gerald","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP, VB & President, Colonial"}}],"security":"Common Stock","published_at":"2024-02-21T23:38:41.000Z","date":"2024-02-19","kind":"tax_withholding","planned":false,"acquired":false,"shares":2513,"price":48.73,"value":122458.49,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Shares withheld to satisfy tax withholding obligation applicable to the vesting of 5,491 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 15.377 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 19,871 restricted stock units, 5,658 stock success units, and 44,034 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":69563,"source":{"system":"sec-edgar","filing":"0000005513-24-000027","document":"wk-form4_1708558694.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/5513/000000551324000027/wk-form4_1708558694.xml","form_type":"4"}},{"id":1814556,"issuer":{"id":3369,"kind":"organization","name":"Unum Group","symbol":"UNM"},"owners":[{"id":63842,"kind":"person","name":"Arnold Timothy Gerald","position":1,"cik":"0001629328","reported_name":"Arnold Timothy Gerald","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP, VB & President, Colonial"}}],"security":"Common Stock","published_at":"2023-08-07T22:18:58.000Z","date":"2023-08-03","kind":"sale","planned":true,"acquired":false,"shares":20000,"price":50,"value":1000000.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The transaction reported in this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on March 1, 2023."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Includes 19,871 restricted stock units (\"stock-settled RSUs\"), 11,149 stock success units (\"SSUs\"), and 41,041 shares of common stock. All stock-settled RSUs and 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 8.153 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":72061,"source":{"system":"sec-edgar","filing":"0000005513-23-000181","document":"wf-form4_169144671975884.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/5513/000000551323000181/wf-form4_169144671975884.xml","form_type":"4"}},{"id":1865895,"issuer":{"id":3369,"kind":"organization","name":"Unum Group","symbol":"UNM"},"owners":[{"id":63842,"kind":"person","name":"Arnold Timothy Gerald","position":1,"cik":"0001629328","reported_name":"Arnold Timothy Gerald","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP, VB & President, Colonial"}}],"security":"Common Stock","published_at":"2023-06-06T21:43:47.000Z","date":"2023-06-02","kind":"sale","planned":true,"acquired":false,"shares":10000,"price":45,"value":450000.0,"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 March 1, 2023."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Includes 19,871 restricted stock units (\"stock-settled RSUs\"), 11,149 stock success units (\"SSUs\"), and 61,033 shares of common stock. All stock-settled RSUs and SSUs may be settled, on a 1-for-1 basis, only in shares of common stock. 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All stock-settled RSUs and 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 8.427 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":102053,"source":{"system":"sec-edgar","filing":"0000005513-23-000161","document":"wf-form4_168574220537134.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/5513/000000551323000161/wf-form4_168574220537134.xml","form_type":"4"}},{"id":1978105,"issuer":{"id":3369,"kind":"organization","name":"Unum Group","symbol":"UNM"},"owners":[{"id":63842,"kind":"person","name":"Arnold Timothy Gerald","position":1,"cik":"0001629328","reported_name":"Arnold Timothy Gerald","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP, VB & President, Colonial"}}],"security":"Common Stock","published_at":"2023-03-03T22:32:29.000Z","date":"2023-03-01","kind":"grant","acquired":true,"shares":7200,"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, 2024."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F8","text":"Includes 19,871 stock-settled RSUs, 11,149 SSUs, and 76,024 shares of common stock. 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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. 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The shares were earned upon the vesting of the 2020 PSUs and the certification of the levels of achievement of the performance metrics measured over the three-year performance period ended December 31, 2022."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Includes 25,887 restricted stock units, 11,149 stock success units, and 80,822 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 39.876 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":117858,"source":{"system":"sec-edgar","filing":"0000005513-23-000016","document":"wf-form4_167710799127532.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/5513/000000551323000016/wf-form4_167710799127532.xml","form_type":"4"}},{"id":2358950,"issuer":{"id":3369,"kind":"organization","name":"Unum Group","symbol":"UNM"},"owners":[{"id":63842,"kind":"person","name":"Arnold Timothy Gerald","position":1,"cik":"0001629328","reported_name":"Arnold Timothy Gerald","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP, VB & President, Colonial"}}],"security":"Common Stock","published_at":"2022-03-03T23:53:04.000Z","date":"2022-03-01","kind":"grant","acquired":true,"shares":12789,"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, 2023."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F8","text":"Includes 25,887 stock-settled RSUs, 11,149 SSUs, and 54,236 shares of common stock. Fractional amounts have been rounded to the nearest whole number."}],"balance_after":91272,"source":{"system":"sec-edgar","filing":"0000005513-22-000040","document":"wf-form4_164635155920848.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/5513/000000551322000040/wf-form4_164635155920848.xml","form_type":"4"}},{"id":2358949,"issuer":{"id":3369,"kind":"organization","name":"Unum Group","symbol":"UNM"},"owners":[{"id":63842,"kind":"person","name":"Arnold Timothy Gerald","position":1,"cik":"0001629328","reported_name":"Arnold Timothy Gerald","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP, VB & President, Colonial"}}],"security":"Common Stock","published_at":"2022-03-03T23:53:04.000Z","date":"2022-03-01","kind":"tax_withholding","acquired":false,"shares":1155,"price":26.88,"value":31046.4,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F5","text":"Shares withheld to satisfy tax withholding obligation applicable to the vesting of 3,981.000 stock-settled RSUs."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F6","text":"Includes 13,098 stock-settled RSUs, 11,149 SSUs, and 54,236 shares of common stock. Fractional amounts have been rounded to the nearest whole number."}],"balance_after":78483,"source":{"system":"sec-edgar","filing":"0000005513-22-000040","document":"wf-form4_164635155920848.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/5513/000000551322000040/wf-form4_164635155920848.xml","form_type":"4"}},{"id":2358948,"issuer":{"id":3369,"kind":"organization","name":"Unum Group","symbol":"UNM"},"owners":[{"id":63842,"kind":"person","name":"Arnold Timothy Gerald","position":1,"cik":"0001629328","reported_name":"Arnold Timothy Gerald","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP, VB & President, Colonial"}}],"security":"Common Stock","published_at":"2022-03-03T23:53:04.000Z","date":"2022-03-01","kind":"tax_withholding","acquired":false,"shares":1412,"price":26.88,"value":37954.56,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F3","text":"Shares withheld to satisfy tax withholding obligation applicable to the vesting of 4,867.000 stock-settled RSUs."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F4","text":"Includes 17,079 stock-settled RSUs, 11,149 SSUs, and 51,410 shares of common stock. Fractional amounts have been rounded to the nearest whole number."}],"balance_after":79638,"source":{"system":"sec-edgar","filing":"0000005513-22-000040","document":"wf-form4_164635155920848.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/5513/000000551322000040/wf-form4_164635155920848.xml","form_type":"4"}},{"id":2358947,"issuer":{"id":3369,"kind":"organization","name":"Unum Group","symbol":"UNM"},"owners":[{"id":63842,"kind":"person","name":"Arnold Timothy Gerald","position":1,"cik":"0001629328","reported_name":"Arnold Timothy Gerald","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP, VB & President, Colonial"}}],"security":"Common Stock","published_at":"2022-03-03T23:53:04.000Z","date":"2022-03-01","kind":"tax_withholding","acquired":false,"shares":989,"price":26.88,"value":26584.32,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Shares withheld to satisfy tax withholding obligation applicable to the vesting of 3,410.106 stock-settled RSUs (as defined in footnote (2) below)."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Includes 21,946 restricted stock units, 11,149 stock success units (\"SSUs\"), and 47,955 shares of common stock. 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Fractional amounts have been rounded to the nearest whole number."}],"balance_after":81215,"source":{"system":"sec-edgar","filing":"0000005513-22-000007","document":"wf-form4_164566916237799.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/5513/000000551322000007/wf-form4_164566916237799.xml","form_type":"4"}},{"id":2381365,"issuer":{"id":3369,"kind":"organization","name":"Unum Group","symbol":"UNM"},"owners":[{"id":63842,"kind":"person","name":"Arnold Timothy Gerald","position":1,"cik":"0001629328","reported_name":"Arnold Timothy Gerald","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP, VB & President, Colonial"}}],"security":"Common Stock","published_at":"2022-02-24T02:20:14.000Z","date":"2022-02-19","kind":"tax_withholding","acquired":false,"shares":2109,"price":28.82,"value":60781.38,"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 2019 PSUs."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F5","text":"Includes 25,356 stock-settled RSUs, 16,640 SSUs, and 41,765 shares of common stock. 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The shares were earned upon the vesting of the 2019 PSUs and the certification of the levels of achievement of the performance metrics measured over the three-year performance period ended December 31, 2021."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Includes 25,356 restricted stock units, 16,640 stock success units, and 43,874 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 55.064 shares of common stock under the issuer's employee stock purchase plan and 144.497 stock-settled RSUs pursuant to the reinvestment of dividends since the date of the reporting person's prior Form 4."}],"balance_after":85870,"source":{"system":"sec-edgar","filing":"0000005513-22-000007","document":"wf-form4_164566916237799.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/5513/000000551322000007/wf-form4_164566916237799.xml","form_type":"4"}},{"id":2802380,"issuer":{"id":3369,"kind":"organization","name":"Unum Group","symbol":"UNM"},"owners":[{"id":63842,"kind":"person","name":"Arnold Timothy Gerald","position":1,"cik":"0001629328","reported_name":"Arnold Timothy Gerald","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP, VB & President, Colonial"}}],"security":"Common Stock","published_at":"2021-03-09T22:43:47.000Z","date":"2021-03-05","kind":"sale","acquired":false,"shares":7000,"price":28.531,"value":199717.0,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Reflects the weighted average price for multiple sale transactions ranging in price from $28.53 per share to $28.54 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":"Includes 25,212 restricted stock units, 16,640 stock success units (\"SSUs\"), and 37,460 shares of common stock. 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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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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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 23,685 restricted stock units, 16,640 stock success units, and 38,789 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 37.630 shares of common stock under the issuer's employee stock purchase plan and 214.480 stock-settled RSUs pursuant to the reinvestment of dividends since the date of the reporting person's prior Form 4."}],"balance_after":79114,"source":{"system":"sec-edgar","filing":"0000005513-21-000021","document":"wf-form4_161429549065646.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/5513/000000551321000021/wf-form4_161429549065646.xml","form_type":"4"}},{"id":3047282,"issuer":{"id":3369,"kind":"organization","name":"Unum Group","symbol":"UNM"},"owners":[{"id":63842,"kind":"person","name":"Arnold Timothy Gerald","position":1,"cik":"0001629328","reported_name":"Arnold Timothy Gerald","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP, VB & President, Colonial"}}],"security":"Common Stock","published_at":"2020-08-26T23:05:40.000Z","date":"2020-08-24","kind":"grant","acquired":true,"shares":16640,"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 23,471 restricted stock units, which may be settled, on a 1-for-1 basis, only in shares of common stock (\"stock-settled RSUs\"), 16,640 SSUs, and 33,351 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 46.001 shares of common stock under the issuer's employee stock purchase plan and 310.193 stock-settled RSUs pursuant to the reinvestment of dividends since the date of the reporting person's prior Form 4."}],"balance_after":73462,"source":{"system":"sec-edgar","filing":"0000005513-20-000127","document":"wf-form4_159848312409814.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/5513/000000551320000127/wf-form4_159848312409814.xml","form_type":"4"}},{"id":3236973,"issuer":{"id":3369,"kind":"organization","name":"Unum Group","symbol":"UNM"},"owners":[{"id":63842,"kind":"person","name":"Arnold Timothy Gerald","position":1,"cik":"0001629328","reported_name":"Arnold Timothy Gerald","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP, VB & President, Colonial"}}],"security":"Common Stock","published_at":"2020-03-03T23:22:45.000Z","date":"2020-03-01","kind":"grant","acquired":true,"shares":14748,"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 23,161 stock-settled RSUs and 33,305 shares of common stock. Fractional amounts have been rounded to the nearest whole number."}],"balance_after":56466,"source":{"system":"sec-edgar","filing":"0000005513-20-000052","document":"wf-form4_158327774658903.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/5513/000000551320000052/wf-form4_158327774658903.xml","form_type":"4"}},{"id":3236972,"issuer":{"id":3369,"kind":"organization","name":"Unum Group","symbol":"UNM"},"owners":[{"id":63842,"kind":"person","name":"Arnold Timothy Gerald","position":1,"cik":"0001629328","reported_name":"Arnold Timothy Gerald","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP, VB & President, Colonial"}}],"security":"Common Stock","published_at":"2020-03-03T23:22:45.000Z","date":"2020-03-01","kind":"tax_withholding","acquired":false,"shares":865,"price":23.31,"value":20163.15,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F5","text":"Shares withheld to satisfy tax withholding obligation applicable to the vesting of 2,982.574 stock-settled RSUs."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F6","text":"Includes 8,413 stock-settled RSUs and 33,305 shares of common stock. Fractional amounts have been rounded to the nearest whole number."}],"balance_after":41718,"source":{"system":"sec-edgar","filing":"0000005513-20-000052","document":"wf-form4_158327774658903.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/5513/000000551320000052/wf-form4_158327774658903.xml","form_type":"4"}},{"id":3236971,"issuer":{"id":3369,"kind":"organization","name":"Unum Group","symbol":"UNM"},"owners":[{"id":63842,"kind":"person","name":"Arnold Timothy Gerald","position":1,"cik":"0001629328","reported_name":"Arnold Timothy Gerald","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP, VB & President, Colonial"}}],"security":"Common Stock","published_at":"2020-03-03T23:22:45.000Z","date":"2020-03-01","kind":"tax_withholding","acquired":false,"shares":663,"price":23.31,"value":15454.53,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F3","text":"Shares withheld to satisfy tax withholding obligation applicable to the vesting of 2,284.762 stock-settled RSUs."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F4","text":"Includes 11,395 stock-settled RSUs and 31,188 shares of common stock. Fractional amounts have been rounded to the nearest whole number."}],"balance_after":42583,"source":{"system":"sec-edgar","filing":"0000005513-20-000052","document":"wf-form4_158327774658903.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/5513/000000551320000052/wf-form4_158327774658903.xml","form_type":"4"}},{"id":3236970,"issuer":{"id":3369,"kind":"organization","name":"Unum Group","symbol":"UNM"},"owners":[{"id":63842,"kind":"person","name":"Arnold Timothy Gerald","position":1,"cik":"0001629328","reported_name":"Arnold Timothy Gerald","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP, VB & President, Colonial"}}],"security":"Common Stock","published_at":"2020-03-03T23:22:45.000Z","date":"2020-03-01","kind":"tax_withholding","acquired":false,"shares":495,"price":23.31,"value":11538.45,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Shares withheld to satisfy tax withholding obligation applicable to the vesting of 1,703.704 stock-settled RSUs (as defined in footnote (2) below)."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Includes 13,680 restricted stock units, which may be settled, on a 1-for-1 basis, only in shares of common stock (\"stock-settled RSUs\"), and 29,566 shares of common stock. 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Fractional amounts have been rounded to the nearest whole number."}],"balance_after":43741,"source":{"system":"sec-edgar","filing":"0000005513-20-000034","document":"wf-form4_158285217786355.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/5513/000000551320000034/wf-form4_158285217786355.xml","form_type":"4"}},{"id":3245585,"issuer":{"id":3369,"kind":"organization","name":"Unum Group","symbol":"UNM"},"owners":[{"id":63842,"kind":"person","name":"Arnold Timothy Gerald","position":1,"cik":"0001629328","reported_name":"Arnold Timothy Gerald","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP, VB & President, Colonial"}}],"security":"Common Stock","published_at":"2020-02-28T01:09:57.000Z","date":"2020-02-25","kind":"grant","acquired":true,"shares":4367.877,"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 15,384 restricted stock units, which may be settled, on a 1-for-1 basis, only in shares of common stock (\"stock-settled RSUs\"), and 29,795 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 45.945 shares of common stock under the issuer's employee stock purchase plan and 560.012 stock-settled RSUs pursuant to the reinvestment of dividends since the date of the reporting person's prior Form 4."}],"balance_after":45179,"source":{"system":"sec-edgar","filing":"0000005513-20-000034","document":"wf-form4_158285217786355.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/5513/000000551320000034/wf-form4_158285217786355.xml","form_type":"4"}},{"id":3617580,"issuer":{"id":3369,"kind":"organization","name":"Unum Group","symbol":"UNM"},"owners":[{"id":63842,"kind":"person","name":"Arnold Timothy Gerald","position":1,"cik":"0001629328","reported_name":"Arnold Timothy Gerald","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP, President & CEO, Colonial"}}],"security":"Common Stock","published_at":"2019-03-05T23:21:42.000Z","date":"2019-03-01","kind":"grant","acquired":true,"shares":8711,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F5","text":"All are stock-settled RSUs, which vest in three equal annual installments beginning on March 1, 2020."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F6","text":"Includes 14,824 stock-settled RSUs and 25,382 shares of common stock. Fractional amounts have been rounded to the nearest whole number."}],"balance_after":40205,"source":{"system":"sec-edgar","filing":"0000005513-19-000049","document":"wf-form4_155182808822367.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/5513/000000551319000049/wf-form4_155182808822367.xml","form_type":"4"}},{"id":3617579,"issuer":{"id":3369,"kind":"organization","name":"Unum Group","symbol":"UNM"},"owners":[{"id":63842,"kind":"person","name":"Arnold Timothy Gerald","position":1,"cik":"0001629328","reported_name":"Arnold Timothy Gerald","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP, President & CEO, Colonial"}}],"security":"Common Stock","published_at":"2019-03-05T23:21:42.000Z","date":"2019-03-01","kind":"tax_withholding","acquired":false,"shares":639,"price":37.67,"value":24071.13,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F3","text":"Shares withheld to satisfy tax withholding obligation applicable to the vesting of 2,201.590 stock-settled RSUs."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F4","text":"Includes 6,113 stock-settled RSUs and 25,382 shares of common stock. Fractional amounts have been rounded to the nearest whole number."}],"balance_after":31494,"source":{"system":"sec-edgar","filing":"0000005513-19-000049","document":"wf-form4_155182808822367.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/5513/000000551319000049/wf-form4_155182808822367.xml","form_type":"4"}},{"id":3617578,"issuer":{"id":3369,"kind":"organization","name":"Unum Group","symbol":"UNM"},"owners":[{"id":63842,"kind":"person","name":"Arnold Timothy Gerald","position":1,"cik":"0001629328","reported_name":"Arnold Timothy Gerald","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP, President & CEO, Colonial"}}],"security":"Common Stock","published_at":"2019-03-05T23:21:42.000Z","date":"2019-03-01","kind":"tax_withholding","acquired":false,"shares":462,"price":37.67,"value":17403.54,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Shares withheld to satisfy tax withholding obligation applicable to the vesting of 1,592.503 stock-settled RSUs (as defined in footnote (2) below)."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Includes 8,314 restricted stock units, which may be settled, on a 1-for-1 basis, only in shares of common stock (\"stock-settled RSUs\"), and 23,819 shares of common stock. Fractional amounts have been rounded to the nearest whole number."}],"balance_after":32133,"source":{"system":"sec-edgar","filing":"0000005513-19-000049","document":"wf-form4_155182808822367.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/5513/000000551319000049/wf-form4_155182808822367.xml","form_type":"4"}},{"id":3634918,"issuer":{"id":3369,"kind":"organization","name":"Unum Group","symbol":"UNM"},"owners":[{"id":63842,"kind":"person","name":"Arnold Timothy Gerald","position":1,"cik":"0001629328","reported_name":"Arnold Timothy Gerald","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP, President & CEO, Colonial"}}],"security":"Common Stock","published_at":"2019-02-26T23:42:42.000Z","date":"2019-02-23","kind":"tax_withholding","acquired":false,"shares":851,"price":37.27,"value":31716.77,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Shares withheld to satisfy tax withholding obligation applicable to the vesting of 2,931.699 stock-settled RSUs (as defined in footnote (2) below)."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Includes 9,907 restricted stock units, which may be settled, on a 1-for-1 basis, only in shares of common stock (\"stock-settled RSUs\"), and 22,688 shares of common stock. Fractional amounts have been rounded to the nearest whole number."}],"balance_after":32595,"source":{"system":"sec-edgar","filing":"0000005513-19-000027","document":"wf-form4_155122454891644.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/5513/000000551319000027/wf-form4_155122454891644.xml","form_type":"4"}},{"id":3648837,"issuer":{"id":3369,"kind":"organization","name":"Unum Group","symbol":"UNM"},"owners":[{"id":63842,"kind":"person","name":"Arnold Timothy Gerald","position":1,"cik":"0001629328","reported_name":"Arnold Timothy Gerald","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP, President & CEO, Colonial"}}],"security":"Common Stock","published_at":"2019-02-20T23:37:32.000Z","date":"2019-02-18","kind":"tax_withholding","acquired":false,"shares":2668,"price":36.32,"value":96901.76,"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 2016 PSUs."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F5","text":"Includes 12,838 stock-settled RSUs and 20,608 shares of common stock. Fractional amounts have been rounded to the nearest whole number."}],"balance_after":33446,"source":{"system":"sec-edgar","filing":"0000005513-19-000007","document":"wf-form4_155070583911803.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/5513/000000551319000007/wf-form4_155070583911803.xml","form_type":"4"}},{"id":3648836,"issuer":{"id":3369,"kind":"organization","name":"Unum Group","symbol":"UNM"},"owners":[{"id":63842,"kind":"person","name":"Arnold Timothy Gerald","position":1,"cik":"0001629328","reported_name":"Arnold Timothy Gerald","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP, President & CEO, Colonial"}}],"security":"Common Stock","published_at":"2019-02-20T23:37:32.000Z","date":"2019-02-18","kind":"grant","acquired":true,"shares":8294.557,"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 February 23, 2016 (\"2016 PSUs\"). The shares were earned upon the vesting of the 2016 PSUs and the certification of the levels of achievement of the performance metrics measured over the three-year performance period ended December 31, 2018."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Includes 12,838 restricted stock units, which may be settled, on a 1-for-1 basis, only in shares of common stock (\"stock-settled RSUs\"), and 23,276 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 38.480 shares of common stock under the issuer's employee stock purchase plan and 347.501 stock-settled RSUs pursuant to the reinvestment of dividends since the date of the reporting person's prior Form 4."}],"balance_after":36114,"source":{"system":"sec-edgar","filing":"0000005513-19-000007","document":"wf-form4_155070583911803.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/5513/000000551319000007/wf-form4_155070583911803.xml","form_type":"4"}},{"id":4019046,"issuer":{"id":3369,"kind":"organization","name":"Unum Group","symbol":"UNM"},"owners":[{"id":63842,"kind":"person","name":"Arnold Timothy Gerald","position":1,"cik":"0001629328","reported_name":"Arnold Timothy Gerald","relationship":{"officer":true,"officer_title":"EVP, President & CEO, Colonial"}}],"security":"Common Stock","published_at":"2018-03-06T00:18:55.000Z","date":"2018-03-01","kind":"tax_withholding","acquired":false,"shares":450,"price":49.31,"value":22189.5,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F3","text":"Shares withheld to satisfy tax withholding obligation applicable to the vesting of 1,549.399 stock-settled RSUs."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F4","text":"Includes 12,491 stock-settled RSUs and 14,943 shares of common stock. Fractional amounts have been rounded to the nearest whole number."}],"balance_after":27434,"source":{"system":"sec-edgar","filing":"0001127602-18-010237","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/5513/000112760218010237/form4.xml","form_type":"4"}},{"id":4019045,"issuer":{"id":3369,"kind":"organization","name":"Unum Group","symbol":"UNM"},"owners":[{"id":63842,"kind":"person","name":"Arnold Timothy Gerald","position":1,"cik":"0001629328","reported_name":"Arnold Timothy Gerald","relationship":{"officer":true,"officer_title":"EVP, President & CEO, Colonial"}}],"security":"Common Stock","published_at":"2018-03-06T00:18:55.000Z","date":"2018-03-01","kind":"grant","acquired":true,"shares":6492,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"All are restricted stock units, which may be settled, on a 1-for-1 basis, only in shares of common stock (\"stock-settled RSUs\"), and which vest in three equal annual installments beginning on March 1, 2019."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Includes 14,040 stock-settled RSUs and 13,843 shares of common stock. Fractional amounts have been rounded to the nearest whole number."}],"balance_after":27884,"source":{"system":"sec-edgar","filing":"0001127602-18-010237","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/5513/000112760218010237/form4.xml","form_type":"4"}},{"id":4032824,"issuer":{"id":3369,"kind":"organization","name":"Unum Group","symbol":"UNM"},"owners":[{"id":63842,"kind":"person","name":"Arnold Timothy Gerald","position":1,"cik":"0001629328","reported_name":"Arnold Timothy Gerald","relationship":{"officer":true,"officer_title":"EVP, President & CEO, Colonial"}}],"security":"Common Stock","published_at":"2018-02-28T01:34:55.000Z","date":"2018-02-24","kind":"tax_withholding","acquired":false,"shares":459,"price":51.73,"value":23744.07,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F3","text":"Shares withheld to satisfy tax withholding obligation applicable to the vesting of 1,582.537 stock-settled RSUs."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F4","text":"Includes 7,548 stock-settled RSUs and 13,843 shares of common stock. Fractional amounts have been rounded to the nearest whole number."}],"balance_after":21392,"source":{"system":"sec-edgar","filing":"0001127602-18-008904","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/5513/000112760218008904/form4.xml","form_type":"4"}},{"id":4032823,"issuer":{"id":3369,"kind":"organization","name":"Unum Group","symbol":"UNM"},"owners":[{"id":63842,"kind":"person","name":"Arnold Timothy Gerald","position":1,"cik":"0001629328","reported_name":"Arnold Timothy Gerald","relationship":{"officer":true,"officer_title":"EVP, President & CEO, Colonial"}}],"security":"Common Stock","published_at":"2018-02-28T01:34:55.000Z","date":"2018-02-23","kind":"tax_withholding","acquired":false,"shares":803,"price":51.73,"value":41539.19,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Shares withheld to satisfy tax withholding obligation applicable to the vesting of 2,768.238 stock-settled RSUs (as defined in footnote (2) below)."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Includes 9,131 restricted stock units, which may be settled, on a 1-for-1 basis, only in shares of common stock (\"stock-settled RSUs\"), and 12,720 shares of common stock. Fractional amounts have been rounded to the nearest whole number."}],"balance_after":21851,"source":{"system":"sec-edgar","filing":"0001127602-18-008904","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/5513/000112760218008904/form4.xml","form_type":"4"}},{"id":4043260,"issuer":{"id":3369,"kind":"organization","name":"Unum Group","symbol":"UNM"},"owners":[{"id":63842,"kind":"person","name":"Arnold Timothy Gerald","position":1,"cik":"0001629328","reported_name":"Arnold Timothy Gerald","relationship":{"officer":true,"officer_title":"EVP, President & CEO, Colonial"}}],"security":"Common Stock","published_at":"2018-02-22T23:52:29.000Z","date":"2018-02-20","kind":"tax_withholding","acquired":false,"shares":2100,"price":52.34,"value":109914.0,"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 2015 PSUs."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F5","text":"Includes 11,899 stock-settled RSUs and 10,755 shares of common stock. Fractional amounts have been rounded to the nearest whole number."}],"balance_after":22654,"source":{"system":"sec-edgar","filing":"0001127602-18-007824","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/5513/000112760218007824/form4.xml","form_type":"4"}},{"id":4043259,"issuer":{"id":3369,"kind":"organization","name":"Unum Group","symbol":"UNM"},"owners":[{"id":63842,"kind":"person","name":"Arnold Timothy Gerald","position":1,"cik":"0001629328","reported_name":"Arnold Timothy Gerald","relationship":{"officer":true,"officer_title":"EVP, President & CEO, Colonial"}}],"security":"Common Stock","published_at":"2018-02-22T23:52:29.000Z","date":"2018-02-20","kind":"grant","acquired":true,"shares":6554.984,"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 February 24, 2015 (\"2015 PSUs\"). The shares were earned upon the vesting of the 2015 PSUs and the certification of the levels of achievement of the performance metrics measured over the three-year performance period ended December 31, 2017."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Includes 11,899 restricted stock units, which may be settled, on a 1-for-1 basis, only in shares of common stock (\"stock-settled RSUs\"), and 12,855 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 6.073 shares of common stock under the issuer's employee stock purchase plan and 51.951 stock-settled RSUs pursuant to the reinvestment of dividends since the date of the reporting person's prior Form 4."}],"balance_after":24754,"source":{"system":"sec-edgar","filing":"0001127602-18-007824","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/5513/000112760218007824/form4.xml","form_type":"4"}},{"id":4129874,"issuer":{"id":3369,"kind":"organization","name":"Unum Group","symbol":"UNM"},"owners":[{"id":63842,"kind":"person","name":"Arnold Timothy Gerald","position":1,"cik":"0001629328","reported_name":"Arnold Timothy Gerald","relationship":{"officer":true,"officer_title":"EVP, President & CEO, Colonial"}}],"security":"Common Stock","published_at":"2017-12-18T22:05:01.000Z","date":"2017-12-14","kind":"sale","acquired":false,"shares":1000,"price":55.07,"value":55070.0,"ownership":{"direct":true},"footnotes":[{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F1","text":"Includes 11,847 restricted stock units, which may be settled, on a 1-for-1 basis, only in shares of common stock (\"stock-settled RSUs\"), and 6,293 shares of common stock. Fractional amounts have been rounded to the nearest whole number."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Beneficial ownership amount accounts for the exempt acquisitions of an aggregate of 23.047 shares of common stock under the issuer's employee stock purchase plan and 158.479 stock-settled RSUs pursuant to the reinvestment of dividends since the date of the reporting person's prior Form 4."}],"balance_after":18141,"source":{"system":"sec-edgar","filing":"0001127602-17-034949","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/5513/000112760217034949/form4.xml","form_type":"4"}},{"id":4385737,"issuer":{"id":3369,"kind":"organization","name":"Unum Group","symbol":"UNM"},"owners":[{"id":63842,"kind":"person","name":"Arnold Timothy Gerald","position":1,"cik":"0001629328","reported_name":"Arnold Timothy Gerald","relationship":{"officer":true,"officer_title":"EVP, President & CEO, Colonial"}}],"security":"Common Stock","published_at":"2017-03-15T21:35:18.000Z","date":"2017-03-13","kind":"sale","acquired":false,"shares":2000,"price":48.5435,"value":97087.0,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Reflects the weighted average price for multiple sale transactions ranging in price from $48.53 per share to $48.57 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":"Includes 11,689 restricted stock units, which may be settled, on a 1-for-1 basis, only in shares of common stock, and 7,270 shares of common stock. Fractional amounts have been rounded to the nearest whole number."}],"balance_after":18959,"source":{"system":"sec-edgar","filing":"0001127602-17-011810","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/5513/000112760217011810/form4.xml","form_type":"4"}},{"id":4408158,"issuer":{"id":3369,"kind":"organization","name":"Unum Group","symbol":"UNM"},"owners":[{"id":63842,"kind":"person","name":"Arnold Timothy Gerald","position":1,"cik":"0001629328","reported_name":"Arnold Timothy Gerald","relationship":{"officer":true,"officer_title":"EVP, President & CEO, Colonial"}}],"security":"Common Stock","published_at":"2017-03-03T22:37:43.000Z","date":"2017-03-01","kind":"grant","acquired":true,"shares":4613,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"All are restricted stock units, which may be settled, on a 1-for-1 basis, only in shares of common stock (\"stock-settled RSUs\"), and which vest in three equal annual installments beginning on March 1, 2018."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Includes 11,689 stock-settled RSUs and 9,270 shares of common stock. Fractional amounts have been rounded to the nearest whole number."}],"balance_after":20959,"source":{"system":"sec-edgar","filing":"0001127602-17-010262","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/5513/000112760217010262/form4.xml","form_type":"4"}},{"id":4423767,"issuer":{"id":3369,"kind":"organization","name":"Unum Group","symbol":"UNM"},"owners":[{"id":63842,"kind":"person","name":"Arnold Timothy Gerald","position":1,"cik":"0001629328","reported_name":"Arnold Timothy Gerald","relationship":{"officer":true,"officer_title":"EVP, President & CEO, Colonial"}}],"security":"Common Stock","published_at":"2017-02-27T23:14:29.000Z","date":"2017-02-25","kind":"tax_withholding","acquired":false,"shares":437,"price":48.48,"value":21185.76,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F5","text":"Shares withheld to satisfy tax withholding obligation applicable to the vesting of 1,269.679 stock-settled RSUs."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F6","text":"Includes 7,076 stock-settled RSUs and 9,270 shares of common stock. Fractional amounts have been rounded to the nearest whole number."}],"balance_after":16346,"source":{"system":"sec-edgar","filing":"0001127602-17-008710","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/5513/000112760217008710/form4.xml","form_type":"4"}},{"id":4423766,"issuer":{"id":3369,"kind":"organization","name":"Unum Group","symbol":"UNM"},"owners":[{"id":63842,"kind":"person","name":"Arnold Timothy Gerald","position":1,"cik":"0001629328","reported_name":"Arnold Timothy Gerald","relationship":{"officer":true,"officer_title":"EVP, President & CEO, Colonial"}}],"security":"Common Stock","published_at":"2017-02-27T23:14:29.000Z","date":"2017-02-24","kind":"tax_withholding","acquired":false,"shares":522,"price":48.48,"value":25306.56,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F3","text":"Shares withheld to satisfy tax withholding obligation applicable to the vesting of 1,554.552 stock-settled RSUs."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F4","text":"Includes 8,345 stock-settled RSUs and 8,438 shares of common stock. Fractional amounts have been rounded to the nearest whole number."}],"balance_after":16783,"source":{"system":"sec-edgar","filing":"0001127602-17-008710","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/5513/000112760217008710/form4.xml","form_type":"4"}},{"id":4423765,"issuer":{"id":3369,"kind":"organization","name":"Unum Group","symbol":"UNM"},"owners":[{"id":63842,"kind":"person","name":"Arnold Timothy Gerald","position":1,"cik":"0001629328","reported_name":"Arnold Timothy Gerald","relationship":{"officer":true,"officer_title":"EVP, President & CEO, Colonial"}}],"security":"Common Stock","published_at":"2017-02-27T23:14:29.000Z","date":"2017-02-23","kind":"tax_withholding","acquired":false,"shares":922,"price":48.65,"value":44855.3,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Shares withheld to satisfy tax withholding obligation applicable to the vesting of 2,719.284 stock-settled RSUs (as defined in footnote (2) below)."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Includes 9,900 restricted stock units, which may be settled, on a 1-for-1 basis, only in shares of common stock (\"stock-settled RSUs\"), and 7,405 shares of common stock. Fractional amounts have been rounded to the nearest whole number."}],"balance_after":17305,"source":{"system":"sec-edgar","filing":"0001127602-17-008710","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/5513/000112760217008710/form4.xml","form_type":"4"}},{"id":4430594,"issuer":{"id":3369,"kind":"organization","name":"Unum Group","symbol":"UNM"},"owners":[{"id":63842,"kind":"person","name":"Arnold Timothy Gerald","position":1,"cik":"0001629328","reported_name":"Arnold Timothy Gerald","relationship":{"officer":true,"officer_title":"EVP, President & CEO, Colonial"}}],"security":"Common Stock","published_at":"2017-02-23T23:19:15.000Z","date":"2017-02-21","kind":"tax_withholding","acquired":false,"shares":521,"price":48.56,"value":25299.76,"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 2014 PSUs."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F5","text":"Includes 12,619 stock-settled RSUs and 5,608 shares of common stock. Fractional amounts have been rounded to the nearest whole number."}],"balance_after":18227,"source":{"system":"sec-edgar","filing":"0001127602-17-008014","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/5513/000112760217008014/form4.xml","form_type":"4"}},{"id":4430593,"issuer":{"id":3369,"kind":"organization","name":"Unum Group","symbol":"UNM"},"owners":[{"id":63842,"kind":"person","name":"Arnold Timothy Gerald","position":1,"cik":"0001629328","reported_name":"Arnold Timothy Gerald","relationship":{"officer":true,"officer_title":"EVP, President & CEO, Colonial"}}],"security":"Common Stock","published_at":"2017-02-23T23:19:15.000Z","date":"2017-02-21","kind":"grant","acquired":true,"shares":1335.703,"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 February 25, 2014 (\"2014 PSUs\"). The shares were earned upon the vesting of the 2014 PSUs and the certification of the levels of achievement of the performance metrics measured over the three-year performance period ended December 31, 2016."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Includes 12,619 restricted stock units, which may be settled, on a 1-for-1 basis, only in shares of common stock (\"stock-settled RSUs\"), and 6,129 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 30.834 shares of common stock under the issuer's employee stock purchase plan and 182.727 stock-settled RSUs pursuant to the reinvestment of dividends since the date of the reporting person's prior Form 4."}],"balance_after":18748,"source":{"system":"sec-edgar","filing":"0001127602-17-008014","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/5513/000112760217008014/form4.xml","form_type":"4"}}]}