{"transactions":[{"id":3782560,"issuer":{"id":3652,"kind":"organization","name":"HANOVER INSURANCE GROUP, INC.","symbol":"THG"},"owners":[{"id":162764,"kind":"person","name":"Fowle John","position":1,"cik":"0001699184","reported_name":"Fowle John","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CEO, Chaucer"}}],"security":"Common Stock","published_at":"2018-10-26T15:07:49.000Z","date":"2018-10-25","kind":"grant","acquired":true,"shares":3,"price":109.26,"value":327.78,"ownership":{"direct":false,"nature":"By Trustee of The Chaucer Share Incentive Plan"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Purchase of Dividend Shares under The Chaucer Share Incentive Plan."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Does not include 2,068 shares held directly by the Reporting Person."}],"balance_after":830,"source":{"system":"sec-edgar","filing":"0000944695-18-000117","document":"edgar.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/944695/000094469518000117/edgar.xml","form_type":"4"}},{"id":3793752,"issuer":{"id":3652,"kind":"organization","name":"HANOVER INSURANCE GROUP, INC.","symbol":"THG"},"owners":[{"id":162764,"kind":"person","name":"Fowle John","position":1,"cik":"0001699184","reported_name":"Fowle John","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CEO, Chaucer"}}],"security":"Common Stock","published_at":"2018-10-10T13:38:34.000Z","date":"2018-10-09","kind":"grant","acquired":true,"shares":4,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"By Trustee of The Chaucer Share Incentive Plan"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F2","text":"Matching shares under The Chaucer Share Incentive Plan; subject to vesting requirements."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"Does not include 2,068 shares held directly by the Reporting Person."}],"balance_after":827,"source":{"system":"sec-edgar","filing":"0000944695-18-000115","document":"edgar.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/944695/000094469518000115/edgar.xml","form_type":"4"}},{"id":3793751,"issuer":{"id":3652,"kind":"organization","name":"HANOVER INSURANCE GROUP, INC.","symbol":"THG"},"owners":[{"id":162764,"kind":"person","name":"Fowle John","position":1,"cik":"0001699184","reported_name":"Fowle John","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CEO, Chaucer"}}],"security":"Common Stock","published_at":"2018-10-10T13:38:34.000Z","date":"2018-10-09","kind":"grant","acquired":true,"shares":2,"price":118.32,"value":236.64,"ownership":{"direct":false,"nature":"By Trustee of The Chaucer Share Incentive Plan"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Purchase of shares pursuant to The Chaucer Share Incentive Plan."}],"balance_after":823,"source":{"system":"sec-edgar","filing":"0000944695-18-000115","document":"edgar.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/944695/000094469518000115/edgar.xml","form_type":"4"}},{"id":3816249,"issuer":{"id":3652,"kind":"organization","name":"HANOVER INSURANCE GROUP, INC.","symbol":"THG"},"owners":[{"id":162764,"kind":"person","name":"Fowle John","position":1,"cik":"0001699184","reported_name":"Fowle John","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CEO, Chaucer"}}],"security":"Common Stock","published_at":"2018-09-14T14:15:12.000Z","date":"2018-09-12","kind":"grant","acquired":true,"shares":2,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"By Trustee of The Chaucer Share Incentive Plan"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F2","text":"Matching shares under The Chaucer Share Incentive Plan; subject to vesting requirements."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"Does not include 2,068 shares held directly by the Reporting Person."}],"balance_after":821,"source":{"system":"sec-edgar","filing":"0000944695-18-000103","document":"edgar.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/944695/000094469518000103/edgar.xml","form_type":"4"}},{"id":3816248,"issuer":{"id":3652,"kind":"organization","name":"HANOVER INSURANCE GROUP, INC.","symbol":"THG"},"owners":[{"id":162764,"kind":"person","name":"Fowle John","position":1,"cik":"0001699184","reported_name":"Fowle John","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CEO, Chaucer"}}],"security":"Common Stock","published_at":"2018-09-14T14:15:12.000Z","date":"2018-09-12","kind":"grant","acquired":true,"shares":1,"price":118.45,"value":118.45,"ownership":{"direct":false,"nature":"By Trustee of The Chaucer Share Incentive Plan"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Purchase of shares pursuant to The Chaucer Share Incentive Plan."}],"balance_after":819,"source":{"system":"sec-edgar","filing":"0000944695-18-000103","document":"edgar.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/944695/000094469518000103/edgar.xml","form_type":"4"}},{"id":3846531,"issuer":{"id":3652,"kind":"organization","name":"HANOVER INSURANCE GROUP, INC.","symbol":"THG"},"owners":[{"id":162764,"kind":"person","name":"Fowle John","position":1,"cik":"0001699184","reported_name":"Fowle John","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CEO, Chaucer"}}],"security":"Common Stock","published_at":"2018-08-13T13:40:57.000Z","date":"2018-08-09","kind":"grant","acquired":true,"shares":4,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"By Trustee of The Chaucer Share Incentive Plan"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F2","text":"Matching shares under The Chaucer Share Incentive Plan; subject to vesting requirements."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"Does not include 2,068 shares held directly by the Reporting Person."}],"balance_after":818,"source":{"system":"sec-edgar","filing":"0000944695-18-000101","document":"edgar.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/944695/000094469518000101/edgar.xml","form_type":"4"}},{"id":3846530,"issuer":{"id":3652,"kind":"organization","name":"HANOVER INSURANCE GROUP, INC.","symbol":"THG"},"owners":[{"id":162764,"kind":"person","name":"Fowle John","position":1,"cik":"0001699184","reported_name":"Fowle John","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CEO, Chaucer"}}],"security":"Common Stock","published_at":"2018-08-13T13:40:57.000Z","date":"2018-08-09","kind":"grant","acquired":true,"shares":2,"price":124.85,"value":249.7,"ownership":{"direct":false,"nature":"By Trustee of The Chaucer Share Incentive Plan"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Purchase of shares pursuant to The Chaucer Share Incentive Plan."}],"balance_after":814,"source":{"system":"sec-edgar","filing":"0000944695-18-000101","document":"edgar.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/944695/000094469518000101/edgar.xml","form_type":"4"}},{"id":3859372,"issuer":{"id":3652,"kind":"organization","name":"HANOVER INSURANCE GROUP, INC.","symbol":"THG"},"owners":[{"id":162764,"kind":"person","name":"Fowle John","position":1,"cik":"0001699184","reported_name":"Fowle John","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CEO, Chaucer"}}],"security":"Common Stock","published_at":"2018-07-30T14:47:43.000Z","date":"2018-07-26","kind":"grant","acquired":true,"shares":3,"price":123.7,"value":371.1,"ownership":{"direct":false,"nature":"By Trustee of The Chaucer Share Incentive Plan"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Purchase of Dividend Shares under The Chaucer Share Incentive Plan."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Does not include 2,068 shares held directly by the Reporting Person."}],"balance_after":812,"source":{"system":"sec-edgar","filing":"0000944695-18-000097","document":"edgar.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/944695/000094469518000097/edgar.xml","form_type":"4"}},{"id":3868159,"issuer":{"id":3652,"kind":"organization","name":"HANOVER INSURANCE GROUP, INC.","symbol":"THG"},"owners":[{"id":162764,"kind":"person","name":"Fowle John","position":1,"cik":"0001699184","reported_name":"Fowle John","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CEO, Chaucer"}}],"security":"Common Stock","published_at":"2018-07-13T13:38:44.000Z","date":"2018-07-11","kind":"grant","acquired":true,"shares":4,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"By Trustee of The Chaucer Share Incentive Plan"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F2","text":"Matching shares under The Chaucer Share Incentive Plan; subject to vesting requirements."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"Does not include 2,068 shares held directly by the Reporting Person."}],"balance_after":809,"source":{"system":"sec-edgar","filing":"0000944695-18-000090","document":"edgar.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/944695/000094469518000090/edgar.xml","form_type":"4"}},{"id":3868158,"issuer":{"id":3652,"kind":"organization","name":"HANOVER INSURANCE GROUP, INC.","symbol":"THG"},"owners":[{"id":162764,"kind":"person","name":"Fowle John","position":1,"cik":"0001699184","reported_name":"Fowle John","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CEO, Chaucer"}}],"security":"Common Stock","published_at":"2018-07-13T13:38:44.000Z","date":"2018-07-11","kind":"grant","acquired":true,"shares":2,"price":123.71,"value":247.42,"ownership":{"direct":false,"nature":"By Trustee of The Chaucer Share Incentive Plan"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Purchase of shares pursuant to The Chaucer Share Incentive Plan."}],"balance_after":805,"source":{"system":"sec-edgar","filing":"0000944695-18-000090","document":"edgar.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/944695/000094469518000090/edgar.xml","form_type":"4"}},{"id":3895955,"issuer":{"id":3652,"kind":"organization","name":"HANOVER INSURANCE GROUP, INC.","symbol":"THG"},"owners":[{"id":162764,"kind":"person","name":"Fowle John","position":1,"cik":"0001699184","reported_name":"Fowle John","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CEO, Chaucer"}}],"security":"Common Stock","published_at":"2018-06-13T17:46:42.000Z","date":"2018-06-11","kind":"grant","acquired":true,"shares":2,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"By Trustee of The Chaucer Share Incentive Plan"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F2","text":"Matching shares under The Chaucer Share Incentive Plan; subject to vesting requirements."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"Does not include 2,068 shares held directly by the Reporting Person."}],"balance_after":803,"source":{"system":"sec-edgar","filing":"0000944695-18-000080","document":"edgar.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/944695/000094469518000080/edgar.xml","form_type":"4"}},{"id":3895954,"issuer":{"id":3652,"kind":"organization","name":"HANOVER INSURANCE GROUP, INC.","symbol":"THG"},"owners":[{"id":162764,"kind":"person","name":"Fowle John","position":1,"cik":"0001699184","reported_name":"Fowle John","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CEO, Chaucer"}}],"security":"Common Stock","published_at":"2018-06-13T17:46:42.000Z","date":"2018-06-11","kind":"grant","acquired":true,"shares":1,"price":123.22,"value":123.22,"ownership":{"direct":false,"nature":"By Trustee of The Chaucer Share Incentive Plan"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Purchase of shares pursuant to The Chaucer Share Incentive Plan."}],"balance_after":801,"source":{"system":"sec-edgar","filing":"0000944695-18-000080","document":"edgar.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/944695/000094469518000080/edgar.xml","form_type":"4"}},{"id":3935676,"issuer":{"id":3652,"kind":"organization","name":"HANOVER INSURANCE GROUP, INC.","symbol":"THG"},"owners":[{"id":162764,"kind":"person","name":"Fowle John","position":1,"cik":"0001699184","reported_name":"Fowle John","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CEO, Chaucer"}}],"security":"Common Stock","published_at":"2018-05-14T13:35:28.000Z","date":"2018-05-10","kind":"grant","acquired":true,"shares":4,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"By Trustee of The Chaucer Share Incentive Plan"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F2","text":"Matching shares under The Chaucer Share Incentive Plan; subject to vesting requirements."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"Does not include 2,068 shares held directly by the Reporting Person."}],"balance_after":800,"source":{"system":"sec-edgar","filing":"0000944695-18-000057","document":"edgar.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/944695/000094469518000057/edgar.xml","form_type":"4"}},{"id":3935675,"issuer":{"id":3652,"kind":"organization","name":"HANOVER INSURANCE GROUP, INC.","symbol":"THG"},"owners":[{"id":162764,"kind":"person","name":"Fowle John","position":1,"cik":"0001699184","reported_name":"Fowle John","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CEO, Chaucer"}}],"security":"Common Stock","published_at":"2018-05-14T13:35:28.000Z","date":"2018-05-10","kind":"grant","acquired":true,"shares":2,"price":117.51,"value":235.02,"ownership":{"direct":false,"nature":"By Trustee of The Chaucer Share Incentive Plan"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Purchase of shares pursuant to The Chaucer Share Incentive Plan."}],"balance_after":796,"source":{"system":"sec-edgar","filing":"0000944695-18-000057","document":"edgar.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/944695/000094469518000057/edgar.xml","form_type":"4"}},{"id":3955324,"issuer":{"id":3652,"kind":"organization","name":"HANOVER INSURANCE GROUP, INC.","symbol":"THG"},"owners":[{"id":162764,"kind":"person","name":"Fowle John","position":1,"cik":"0001699184","reported_name":"Fowle John","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CEO, Chaucer"}}],"security":"Common Stock","published_at":"2018-04-27T14:13:13.000Z","date":"2018-04-25","kind":"grant","acquired":true,"shares":3,"price":119.37,"value":358.11,"ownership":{"direct":false,"nature":"By Trustee of The Chaucer Share Incentive Plan"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Purchase of Dividend Shares under The Chaucer Share Incentive Plan."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Does not include 2,068 shares held directly by the Reporting Person."}],"balance_after":794,"source":{"system":"sec-edgar","filing":"0000944695-18-000046","document":"edgar.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/944695/000094469518000046/edgar.xml","form_type":"4"}},{"id":3964978,"issuer":{"id":3652,"kind":"organization","name":"HANOVER INSURANCE GROUP, INC.","symbol":"THG"},"owners":[{"id":162764,"kind":"person","name":"Fowle John","position":1,"cik":"0001699184","reported_name":"Fowle John","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CEO, Chaucer"}}],"security":"Common Stock","published_at":"2018-04-12T14:07:27.000Z","date":"2018-04-11","kind":"grant","acquired":true,"shares":4,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"By Trustee of The Chaucer Share Incentive Plan"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F2","text":"Matching shares under The Chaucer Share Incentive Plan; subject to vesting requirements."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"Does not include 2,068 shares held directly by the Reporting Person."}],"balance_after":791,"source":{"system":"sec-edgar","filing":"0000944695-18-000044","document":"edgar.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/944695/000094469518000044/edgar.xml","form_type":"4"}},{"id":3964977,"issuer":{"id":3652,"kind":"organization","name":"HANOVER INSURANCE GROUP, INC.","symbol":"THG"},"owners":[{"id":162764,"kind":"person","name":"Fowle John","position":1,"cik":"0001699184","reported_name":"Fowle John","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CEO, Chaucer"}}],"security":"Common Stock","published_at":"2018-04-12T14:07:27.000Z","date":"2018-04-11","kind":"grant","acquired":true,"shares":2,"price":118.25,"value":236.5,"ownership":{"direct":false,"nature":"By Trustee of The Chaucer Share Incentive Plan"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Purchase of shares pursuant to The Chaucer Share Incentive Plan."}],"balance_after":787,"source":{"system":"sec-edgar","filing":"0000944695-18-000044","document":"edgar.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/944695/000094469518000044/edgar.xml","form_type":"4"}},{"id":3974567,"issuer":{"id":3652,"kind":"organization","name":"HANOVER INSURANCE GROUP, INC.","symbol":"THG"},"owners":[{"id":162764,"kind":"person","name":"Fowle John","position":1,"cik":"0001699184","reported_name":"Fowle John","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CEO, Chaucer"}}],"security":"Common Stock","published_at":"2018-04-03T14:10:14.000Z","date":"2018-04-02","kind":"tax_withholding","acquired":false,"shares":752,"price":116.53,"value":87630.56,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Represents shares that were forfeited to pay withholding taxes upon the vesting of restricted stock units that were previously granted by the Issuer."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Does not include 785 shares held indirectly by the Trustee of the Chaucer Share Incentive Plan."}],"balance_after":2068,"source":{"system":"sec-edgar","filing":"0000944695-18-000042","document":"edgar.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/944695/000094469518000042/edgar.xml","form_type":"4"}},{"id":4001729,"issuer":{"id":3652,"kind":"organization","name":"HANOVER INSURANCE GROUP, INC.","symbol":"THG"},"owners":[{"id":162764,"kind":"person","name":"Fowle John","position":1,"cik":"0001699184","reported_name":"Fowle John","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CEO, Chaucer"}}],"security":"Common Stock","published_at":"2018-03-12T16:46:09.000Z","date":"2018-03-09","kind":"grant","acquired":true,"shares":2,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"By Trustee of The Chaucer Share Incentive Plan"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F2","text":"Matching shares under The Chaucer Share Incentive Plan; subject to vesting requirements."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"Does not include 2,820 shares held directly by the Reporting Person."}],"balance_after":785,"source":{"system":"sec-edgar","filing":"0000944695-18-000038","document":"edgar.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/944695/000094469518000038/edgar.xml","form_type":"4"}},{"id":4001728,"issuer":{"id":3652,"kind":"organization","name":"HANOVER INSURANCE GROUP, INC.","symbol":"THG"},"owners":[{"id":162764,"kind":"person","name":"Fowle John","position":1,"cik":"0001699184","reported_name":"Fowle John","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CEO, Chaucer"}}],"security":"Common Stock","published_at":"2018-03-12T16:46:09.000Z","date":"2018-03-09","kind":"grant","acquired":true,"shares":1,"price":113.93,"value":113.93,"ownership":{"direct":false,"nature":"By Trustee of The Chaucer Share Incentive Plan"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Purchase of shares pursuant to The Chaucer Share Incentive Plan."}],"balance_after":783,"source":{"system":"sec-edgar","filing":"0000944695-18-000038","document":"edgar.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/944695/000094469518000038/edgar.xml","form_type":"4"}},{"id":4066828,"issuer":{"id":3652,"kind":"organization","name":"HANOVER INSURANCE GROUP, INC.","symbol":"THG"},"owners":[{"id":162764,"kind":"person","name":"Fowle John","position":1,"cik":"0001699184","reported_name":"Fowle John","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CEO, Chaucer"}}],"security":"Common Stock","published_at":"2018-02-12T13:48:23.000Z","date":"2018-02-09","kind":"grant","acquired":true,"shares":4,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"By Trustee of The Chaucer Share Incentive Plan"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F2","text":"Matching shares under The Chaucer Share Incentive Plan; subject to vesting requirements."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"Does not include 2,820 shares held directly by the Reporting Person."}],"balance_after":782,"source":{"system":"sec-edgar","filing":"0000944695-18-000014","document":"edgar.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/944695/000094469518000014/edgar.xml","form_type":"4"}},{"id":4066827,"issuer":{"id":3652,"kind":"organization","name":"HANOVER INSURANCE GROUP, INC.","symbol":"THG"},"owners":[{"id":162764,"kind":"person","name":"Fowle John","position":1,"cik":"0001699184","reported_name":"Fowle John","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CEO, Chaucer"}}],"security":"Common Stock","published_at":"2018-02-12T13:48:23.000Z","date":"2018-02-09","kind":"grant","acquired":true,"shares":2,"price":106.74,"value":213.48,"ownership":{"direct":false,"nature":"By Trustee of The Chaucer Share Incentive Plan"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Purchase of shares pursuant to The Chaucer Share Incentive Plan."}],"balance_after":778,"source":{"system":"sec-edgar","filing":"0000944695-18-000014","document":"edgar.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/944695/000094469518000014/edgar.xml","form_type":"4"}},{"id":4091431,"issuer":{"id":3652,"kind":"organization","name":"HANOVER INSURANCE GROUP, INC.","symbol":"THG"},"owners":[{"id":162764,"kind":"person","name":"Fowle John","position":1,"cik":"0001699184","reported_name":"Fowle John","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CEO, Chaucer"}}],"security":"Common Stock","published_at":"2018-01-24T15:41:41.000Z","date":"2018-01-23","kind":"grant","acquired":true,"shares":3,"price":114.02,"value":342.06,"ownership":{"direct":false,"nature":"By Trustee of The Chaucer Share Incentive Plan"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Purchase of Dividend Shares under The Chaucer Share Incentive Plan."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Does not include 2,820 shares held directly by the Reporting Person."}],"balance_after":776,"source":{"system":"sec-edgar","filing":"0000944695-18-000004","document":"edgar.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/944695/000094469518000004/edgar.xml","form_type":"4"}},{"id":4101550,"issuer":{"id":3652,"kind":"organization","name":"HANOVER INSURANCE GROUP, INC.","symbol":"THG"},"owners":[{"id":162764,"kind":"person","name":"Fowle John","position":1,"cik":"0001699184","reported_name":"Fowle John","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CEO, Chaucer"}}],"security":"Common Stock","published_at":"2018-01-11T15:13:39.000Z","date":"2018-01-10","kind":"grant","acquired":true,"shares":4,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"By Trustee of The Chaucer Share Incentive Plan"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F2","text":"Matching shares under The Chaucer Share Incentive Plan; subject to vesting requirements."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"Does not include 2,820 shares held directly by the Reporting Person."}],"balance_after":773,"source":{"system":"sec-edgar","filing":"0000944695-18-000002","document":"edgar.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/944695/000094469518000002/edgar.xml","form_type":"4"}},{"id":4101549,"issuer":{"id":3652,"kind":"organization","name":"HANOVER INSURANCE GROUP, INC.","symbol":"THG"},"owners":[{"id":162764,"kind":"person","name":"Fowle John","position":1,"cik":"0001699184","reported_name":"Fowle John","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CEO, Chaucer"}}],"security":"Common Stock","published_at":"2018-01-11T15:13:39.000Z","date":"2018-01-10","kind":"grant","acquired":true,"shares":2,"price":108.01,"value":216.02,"ownership":{"direct":false,"nature":"By Trustee of The Chaucer Share Incentive Plan"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Purchase of shares pursuant to The Chaucer Share Incentive Plan."}],"balance_after":769,"source":{"system":"sec-edgar","filing":"0000944695-18-000002","document":"edgar.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/944695/000094469518000002/edgar.xml","form_type":"4"}},{"id":4133844,"issuer":{"id":3652,"kind":"organization","name":"HANOVER INSURANCE GROUP, INC.","symbol":"THG"},"owners":[{"id":162764,"kind":"person","name":"Fowle John","position":1,"cik":"0001699184","reported_name":"Fowle John","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CEO, Chaucer"}}],"security":"Common Stock","published_at":"2017-12-13T14:42:01.000Z","date":"2017-12-11","kind":"grant","acquired":true,"shares":4,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"By Trustee of The Chaucer Share Incentive Plan"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F2","text":"Matching shares under The Chaucer Share Incentive Plan; subject to vesting requirements."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"Does not include 2,820 shares held directly by the Reporting Person."}],"balance_after":767,"source":{"system":"sec-edgar","filing":"0000944695-17-000123","document":"edgar.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/944695/000094469517000123/edgar.xml","form_type":"4"}},{"id":4133843,"issuer":{"id":3652,"kind":"organization","name":"HANOVER INSURANCE GROUP, INC.","symbol":"THG"},"owners":[{"id":162764,"kind":"person","name":"Fowle John","position":1,"cik":"0001699184","reported_name":"Fowle John","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CEO, Chaucer"}}],"security":"Common Stock","published_at":"2017-12-13T14:42:01.000Z","date":"2017-12-11","kind":"grant","acquired":true,"shares":2,"price":105.63,"value":211.26,"ownership":{"direct":false,"nature":"By Trustee of The Chaucer Share Incentive Plan"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Purchase of shares pursuant to The Chaucer Share Incentive Plan."}],"balance_after":763,"source":{"system":"sec-edgar","filing":"0000944695-17-000123","document":"edgar.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/944695/000094469517000123/edgar.xml","form_type":"4"}},{"id":4166401,"issuer":{"id":3652,"kind":"organization","name":"HANOVER INSURANCE GROUP, INC.","symbol":"THG"},"owners":[{"id":162764,"kind":"person","name":"Fowle John","position":1,"cik":"0001699184","reported_name":"Fowle John","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CEO, Chaucer"}}],"security":"Common Stock","published_at":"2017-11-13T14:08:34.000Z","date":"2017-11-09","kind":"grant","acquired":true,"shares":4,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"By Trustee of The Chaucer Share Incentive Plan"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F2","text":"Matching shares under The Chaucer Share Incentive Plan; subject to vesting requirements."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"Does not include 2,820 shares held directly by the Reporting Person."}],"balance_after":761,"source":{"system":"sec-edgar","filing":"0000944695-17-000116","document":"edgar.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/944695/000094469517000116/edgar.xml","form_type":"4"}},{"id":4166400,"issuer":{"id":3652,"kind":"organization","name":"HANOVER INSURANCE GROUP, INC.","symbol":"THG"},"owners":[{"id":162764,"kind":"person","name":"Fowle John","position":1,"cik":"0001699184","reported_name":"Fowle John","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CEO, Chaucer"}}],"security":"Common Stock","published_at":"2017-11-13T14:08:34.000Z","date":"2017-11-09","kind":"grant","acquired":true,"shares":2,"price":106.22,"value":212.44,"ownership":{"direct":false,"nature":"By Trustee of The Chaucer Share Incentive Plan"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Purchase of shares pursuant to The Chaucer Share Incentive Plan."}],"balance_after":757,"source":{"system":"sec-edgar","filing":"0000944695-17-000116","document":"edgar.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/944695/000094469517000116/edgar.xml","form_type":"4"}},{"id":4182045,"issuer":{"id":3652,"kind":"organization","name":"HANOVER INSURANCE GROUP, INC.","symbol":"THG"},"owners":[{"id":162764,"kind":"person","name":"Fowle John","position":1,"cik":"0001699184","reported_name":"Fowle John","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CEO, Chaucer"}}],"security":"Common Stock","published_at":"2017-10-23T14:26:01.000Z","date":"2017-10-19","kind":"grant","acquired":true,"shares":3,"price":98.23,"value":294.69,"ownership":{"direct":false,"nature":"By Trustee of The Chaucer Share Incentive Plan"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Purchase of Dividend Shares under The Chaucer Share Incentive Plan."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Does not include 2,820 shares held directly by the Reporting Person."}],"balance_after":755,"source":{"system":"sec-edgar","filing":"0000944695-17-000109","document":"edgar.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/944695/000094469517000109/edgar.xml","form_type":"4"}},{"id":4188329,"issuer":{"id":3652,"kind":"organization","name":"HANOVER INSURANCE GROUP, INC.","symbol":"THG"},"owners":[{"id":162764,"kind":"person","name":"Fowle John","position":1,"cik":"0001699184","reported_name":"Fowle John","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CEO, Chaucer"}}],"security":"Common Stock","published_at":"2017-10-11T15:18:34.000Z","date":"2017-10-10","kind":"grant","acquired":true,"shares":4,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"By Trustee of The Chaucer Share Incentive Plan"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F2","text":"Matching shares under The Chaucer Share Incentive Plan; subject to vesting requirements."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"Does not include 2,820 shares held directly by the Reporting Person."}],"balance_after":752,"source":{"system":"sec-edgar","filing":"0000944695-17-000107","document":"edgar.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/944695/000094469517000107/edgar.xml","form_type":"4"}},{"id":4188328,"issuer":{"id":3652,"kind":"organization","name":"HANOVER INSURANCE GROUP, INC.","symbol":"THG"},"owners":[{"id":162764,"kind":"person","name":"Fowle John","position":1,"cik":"0001699184","reported_name":"Fowle John","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CEO, Chaucer"}}],"security":"Common Stock","published_at":"2017-10-11T15:18:34.000Z","date":"2017-10-10","kind":"grant","acquired":true,"shares":2,"price":97.66,"value":195.32,"ownership":{"direct":false,"nature":"By Trustee of The Chaucer Share Incentive Plan"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Purchase of shares pursuant to The Chaucer Share Incentive Plan."}],"balance_after":748,"source":{"system":"sec-edgar","filing":"0000944695-17-000107","document":"edgar.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/944695/000094469517000107/edgar.xml","form_type":"4"}},{"id":4210870,"issuer":{"id":3652,"kind":"organization","name":"HANOVER INSURANCE GROUP, INC.","symbol":"THG"},"owners":[{"id":162764,"kind":"person","name":"Fowle John","position":1,"cik":"0001699184","reported_name":"Fowle John","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CEO, Chaucer"}}],"security":"Common Stock","published_at":"2017-09-13T13:24:45.000Z","date":"2017-09-12","kind":"grant","acquired":true,"shares":4,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"By Trustee of The Chaucer Share Incentive Plan"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F2","text":"Matching shares under The Chaucer Share Incentive Plan; subject to vesting requirements."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"Does not include 2,820 shares held directly by the Reporting Person."}],"balance_after":746,"source":{"system":"sec-edgar","filing":"0000944695-17-000105","document":"edgar.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/944695/000094469517000105/edgar.xml","form_type":"4"}},{"id":4210869,"issuer":{"id":3652,"kind":"organization","name":"HANOVER INSURANCE GROUP, INC.","symbol":"THG"},"owners":[{"id":162764,"kind":"person","name":"Fowle John","position":1,"cik":"0001699184","reported_name":"Fowle John","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CEO, Chaucer"}}],"security":"Common Stock","published_at":"2017-09-13T13:24:45.000Z","date":"2017-09-12","kind":"grant","acquired":true,"shares":2,"price":94.95,"value":189.9,"ownership":{"direct":false,"nature":"By Trustee of The Chaucer Share Incentive Plan"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Purchase of shares pursuant to The Chaucer Share Incentive Plan."}],"balance_after":742,"source":{"system":"sec-edgar","filing":"0000944695-17-000105","document":"edgar.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/944695/000094469517000105/edgar.xml","form_type":"4"}},{"id":4238162,"issuer":{"id":3652,"kind":"organization","name":"HANOVER INSURANCE GROUP, INC.","symbol":"THG"},"owners":[{"id":162764,"kind":"person","name":"Fowle John","position":1,"cik":"0001699184","reported_name":"Fowle John","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CEO, Chaucer"}}],"security":"Common Stock","published_at":"2017-08-10T15:09:27.000Z","date":"2017-08-09","kind":"grant","acquired":true,"shares":4,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"By Trustee of The Chaucer Share Incentive Plan"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F2","text":"Matching shares under The Chaucer Share Incentive Plan; subject to vesting requirements."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"Does not include 2,820 shares held directly by the Reporting Person."}],"balance_after":740,"source":{"system":"sec-edgar","filing":"0000944695-17-000100","document":"primary_doc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/944695/000094469517000100/primary_doc.xml","form_type":"4"}},{"id":4238161,"issuer":{"id":3652,"kind":"organization","name":"HANOVER INSURANCE GROUP, INC.","symbol":"THG"},"owners":[{"id":162764,"kind":"person","name":"Fowle John","position":1,"cik":"0001699184","reported_name":"Fowle John","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CEO, Chaucer"}}],"security":"Common Stock","published_at":"2017-08-10T15:09:27.000Z","date":"2017-08-09","kind":"grant","acquired":true,"shares":2,"price":98.52,"value":197.04,"ownership":{"direct":false,"nature":"By Trustee of The Chaucer Share Incentive Plan"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Purchase of shares pursuant to The Chaucer Share Incentive Plan."}],"balance_after":736,"source":{"system":"sec-edgar","filing":"0000944695-17-000100","document":"primary_doc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/944695/000094469517000100/primary_doc.xml","form_type":"4"}},{"id":4246271,"issuer":{"id":3652,"kind":"organization","name":"HANOVER INSURANCE GROUP, INC.","symbol":"THG"},"owners":[{"id":162764,"kind":"person","name":"Fowle John","position":1,"cik":"0001699184","reported_name":"Fowle John","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CEO, Chaucer"}}],"security":"Common Stock","published_at":"2017-08-02T18:18:53.000Z","date":"2017-08-01","kind":"grant","acquired":true,"shares":3,"price":94.86,"value":284.58,"ownership":{"direct":false,"nature":"By Trustee of The Chaucer Share Incentive Plan"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Purchase of Dividend Shares under The Chaucer Share Incentive Plan."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Does not include 2,820 shares held directly by the Reporting Person."}],"balance_after":734,"source":{"system":"sec-edgar","filing":"0000944695-17-000096","document":"edgar.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/944695/000094469517000096/edgar.xml","form_type":"4"}},{"id":4257944,"issuer":{"id":3652,"kind":"organization","name":"HANOVER INSURANCE GROUP, INC.","symbol":"THG"},"owners":[{"id":162764,"kind":"person","name":"Fowle John","position":1,"cik":"0001699184","reported_name":"Fowle John","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CEO, Chaucer"}}],"security":"Common Stock","published_at":"2017-07-13T13:49:03.000Z","date":"2017-07-12","kind":"grant","acquired":true,"shares":4,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"By Trustee of The Chaucer Share Incentive Plan"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F2","text":"Matching shares under The Chaucer Share Incentive Plan; subject to vesting requirements."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"Does not include 2,820 shares held directly by the Reporting Person."}],"balance_after":731,"source":{"system":"sec-edgar","filing":"0000944695-17-000092","document":"edgar.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/944695/000094469517000092/edgar.xml","form_type":"4"}},{"id":4257943,"issuer":{"id":3652,"kind":"organization","name":"HANOVER INSURANCE GROUP, INC.","symbol":"THG"},"owners":[{"id":162764,"kind":"person","name":"Fowle John","position":1,"cik":"0001699184","reported_name":"Fowle John","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CEO, Chaucer"}}],"security":"Common Stock","published_at":"2017-07-13T13:49:03.000Z","date":"2017-07-12","kind":"grant","acquired":true,"shares":2,"price":88.18,"value":176.36,"ownership":{"direct":false,"nature":"By Trustee of The Chaucer Share Incentive Plan"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Purchase of shares pursuant to The Chaucer Share Incentive Plan."}],"balance_after":727,"source":{"system":"sec-edgar","filing":"0000944695-17-000092","document":"edgar.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/944695/000094469517000092/edgar.xml","form_type":"4"}},{"id":4286125,"issuer":{"id":3652,"kind":"organization","name":"HANOVER INSURANCE GROUP, INC.","symbol":"THG"},"owners":[{"id":162764,"kind":"person","name":"Fowle John","position":1,"cik":"0001699184","reported_name":"Fowle John","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CEO, Chaucer"}}],"security":"Common Stock","published_at":"2017-06-12T14:49:54.000Z","date":"2017-06-09","kind":"grant","acquired":true,"shares":4,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"By Trustee of The Chaucer Share Incentive Plan"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F2","text":"Matching shares under The Chaucer Share Incentive Plan; subject to vesting requirements."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"Does not include 2,820 shares held directly by the Reporting Person."}],"balance_after":725,"source":{"system":"sec-edgar","filing":"0000944695-17-000082","document":"edgar.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/944695/000094469517000082/edgar.xml","form_type":"4"}},{"id":4286124,"issuer":{"id":3652,"kind":"organization","name":"HANOVER INSURANCE GROUP, INC.","symbol":"THG"},"owners":[{"id":162764,"kind":"person","name":"Fowle John","position":1,"cik":"0001699184","reported_name":"Fowle John","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CEO, Chaucer"}}],"security":"Common Stock","published_at":"2017-06-12T14:49:54.000Z","date":"2017-06-09","kind":"grant","acquired":true,"shares":2,"price":86.31,"value":172.62,"ownership":{"direct":false,"nature":"By Trustee of The Chaucer Share Incentive Plan"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Purchase of shares pursuant to The Chaucer Share Incentive Plan."}],"balance_after":721,"source":{"system":"sec-edgar","filing":"0000944695-17-000082","document":"edgar.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/944695/000094469517000082/edgar.xml","form_type":"4"}},{"id":4316758,"issuer":{"id":3652,"kind":"organization","name":"HANOVER INSURANCE GROUP, INC.","symbol":"THG"},"owners":[{"id":162764,"kind":"person","name":"Fowle John","position":1,"cik":"0001699184","reported_name":"Fowle John","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Executive Vice President"}}],"security":"Common Stock","published_at":"2017-05-17T19:12:39.000Z","date":"2017-05-15","kind":"grant","acquired":true,"shares":3675,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Grant of restricted stock units under the Issuer's 2014 Long-Term Incentive Plan. Such units vest as to one-third of the shares on each of the first three anniversaries of the grant date."}],"balance_after":30024,"source":{"system":"sec-edgar","filing":"0000944695-17-000063","document":"edgar.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/944695/000094469517000063/edgar.xml","form_type":"4"}},{"id":4325532,"issuer":{"id":3652,"kind":"organization","name":"HANOVER INSURANCE GROUP, INC.","symbol":"THG"},"owners":[{"id":162764,"kind":"person","name":"Fowle John","position":1,"cik":"0001699184","reported_name":"Fowle John","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CEO, Chaucer"}}],"security":"Common Stock","published_at":"2017-05-11T14:26:40.000Z","date":"2017-05-10","kind":"grant","acquired":true,"shares":6,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"By Trustee of The Chaucer Share Incentive Plan"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F2","text":"Matching shares under The Chaucer Share Incentive Plan; subject to vesting requirements."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"Does not include 2,820 shares held directly by the Reporting Person"}],"balance_after":719,"source":{"system":"sec-edgar","filing":"0000944695-17-000050","document":"edgar.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/944695/000094469517000050/edgar.xml","form_type":"4"}},{"id":4325531,"issuer":{"id":3652,"kind":"organization","name":"HANOVER INSURANCE GROUP, INC.","symbol":"THG"},"owners":[{"id":162764,"kind":"person","name":"Fowle John","position":1,"cik":"0001699184","reported_name":"Fowle John","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CEO, Chaucer"}}],"security":"Common Stock","published_at":"2017-05-11T14:26:40.000Z","date":"2017-05-10","kind":"grant","acquired":true,"shares":3,"price":83.55,"value":250.65,"ownership":{"direct":false,"nature":"By Trustee of The Chaucer Share Incentive Plan"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Purchase of shares pursuant to The Chaucer Share Incentive Plan."}],"balance_after":713,"source":{"system":"sec-edgar","filing":"0000944695-17-000050","document":"edgar.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/944695/000094469517000050/edgar.xml","form_type":"4"}},{"id":4343788,"issuer":{"id":3652,"kind":"organization","name":"HANOVER INSURANCE GROUP, INC.","symbol":"THG"},"owners":[{"id":162764,"kind":"person","name":"Fowle John","position":1,"cik":"0001699184","reported_name":"Fowle John","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CEO, Chaucer"}}],"security":"Common Stock","published_at":"2017-04-27T14:47:29.000Z","date":"2017-04-26","kind":"grant","acquired":true,"shares":4,"price":87.69,"value":350.76,"ownership":{"direct":false,"nature":"By Trustee of The Chaucer Share Incentive Plan"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Purchase of Dividend Shares under The Chaucer Share Incentive Plan."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Does not include 2,820 shares held directly by the Reporting Person."}],"balance_after":710,"source":{"system":"sec-edgar","filing":"0000944695-17-000046","document":"edgar.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/944695/000094469517000046/edgar.xml","form_type":"4"}},{"id":4354022,"issuer":{"id":3652,"kind":"organization","name":"HANOVER INSURANCE GROUP, INC.","symbol":"THG"},"owners":[{"id":162764,"kind":"person","name":"Fowle John","position":1,"cik":"0001699184","reported_name":"Fowle John","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CEO, Chaucer"}}],"security":"Common Stock","published_at":"2017-04-12T15:13:48.000Z","date":"2017-04-11","kind":"grant","acquired":true,"shares":4,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"By Trustee of The Chaucer Share Incentive Plan."},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F2","text":"Matching Shares under The Chaucer Share Incentive Plan; subject to vesting requirements."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"Does not include 2,820 shares held directly by the Reporting Person."}],"balance_after":706,"source":{"system":"sec-edgar","filing":"0000944695-17-000045","document":"primary_doc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/944695/000094469517000045/primary_doc.xml","form_type":"4"}},{"id":4354021,"issuer":{"id":3652,"kind":"organization","name":"HANOVER INSURANCE GROUP, INC.","symbol":"THG"},"owners":[{"id":162764,"kind":"person","name":"Fowle John","position":1,"cik":"0001699184","reported_name":"Fowle John","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CEO, Chaucer"}}],"security":"Common Stock","published_at":"2017-04-12T15:13:48.000Z","date":"2017-04-11","kind":"grant","acquired":true,"shares":2,"price":88,"value":176.0,"ownership":{"direct":false,"nature":"By Trustee of The Chaucer Share Incentive Plan"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Purchase of shares pursuant to The Chaucer Share Incentive Plan."}],"balance_after":702,"source":{"system":"sec-edgar","filing":"0000944695-17-000045","document":"primary_doc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/944695/000094469517000045/primary_doc.xml","form_type":"4"}},{"id":4389480,"issuer":{"id":3652,"kind":"organization","name":"HANOVER INSURANCE GROUP, INC.","symbol":"THG"},"owners":[{"id":162764,"kind":"person","name":"Fowle John","position":1,"cik":"0001699184","reported_name":"Fowle John","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CEO, Chaucer"}}],"security":"Common Stock","published_at":"2017-03-13T14:16:39.000Z","date":"2017-03-09","kind":"grant","acquired":true,"shares":4,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"By Trustee of The Chaucer Share Incentive Plan"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F2","text":"Matching shares under The Chaucer Share Incentive Plan; subject to vesting requirements."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"Does not include 2,820 shares held directly by the Reporting Person"}],"balance_after":700,"source":{"system":"sec-edgar","filing":"0000944695-17-000043","document":"edgar.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/944695/000094469517000043/edgar.xml","form_type":"4"}},{"id":4389479,"issuer":{"id":3652,"kind":"organization","name":"HANOVER INSURANCE GROUP, INC.","symbol":"THG"},"owners":[{"id":162764,"kind":"person","name":"Fowle John","position":1,"cik":"0001699184","reported_name":"Fowle John","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CEO, Chaucer"}}],"security":"Common Stock","published_at":"2017-03-13T14:16:39.000Z","date":"2017-03-09","kind":"grant","acquired":true,"shares":2,"price":89.92,"value":179.84,"ownership":{"direct":false,"nature":"By Trustee of The Chaucer Share Incentive Plan"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Purchase of shares pursuant to The Chaucer Share Incentive Plan."}],"balance_after":696,"source":{"system":"sec-edgar","filing":"0000944695-17-000043","document":"edgar.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/944695/000094469517000043/edgar.xml","form_type":"4"}}]}