Jeffrey M. Farber - 24 Feb 2026 Form 4 Insider Report for HANOVER INSURANCE GROUP, INC. (THG)

Reporting relationship: Executive Vice President
Issuer ticker: THG
Reported as of: 24 Feb 2026
Net transaction value: $0
SEC form: 4
Accepted by SEC: 26 Feb 2026, 16:48:00 UTC
Prior SEC filing: 29 Dec 2025
Next SEC filing: 02 Mar 2026
Source filing: View source filing
Reporting owner signature: /s/ Lindsay L. Katz pursuant to Confirming Statement

Key filing fact

Jeffrey M. Farber filed Form 4 for HANOVER INSURANCE GROUP, INC. (THG) on 26 Feb 2026.

Key facts

This page summarizes Jeffrey M. Farber's Form 4 filing for HANOVER INSURANCE GROUP, INC. (THG).
4 reported transactions and 1 derivative row are listed below.
Accepted by SEC: 26 Feb 2026, 16:48.

Change

Previous filing in this sequence was filed on 29 Dec 2025.
Current net transaction value: $0.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0001275634 Primary reporting owner

FARBER JEFFREY M

Relationship: Executive Vice President
Address: C/O THE HANOVER INSURANCE GROUP, INC., 440 LINCOLN STREET, WORCESTER
Signature: /s/ Lindsay L. Katz pursuant to Confirming Statement
Signature date: 26 Feb 2026

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

THG transaction

Common Stock

Award

Transaction value: $0
Shares: +5,043
Change %: +11%
Price: $0.000000
Shares after: 50,948
Date: 24 Feb 2026
Ownership: Direct
Footnotes: F1

THG transaction

Common Stock

Award

Transaction value: $0
Shares: +3,250
Change %: +6.4%
Price: $0.000000
Shares after: 54,198
Date: 24 Feb 2026
Ownership: Direct
Footnotes: F2

THG transaction

Common Stock

Award

Transaction value: $0
Shares: +3,025
Change %: +5.6%
Price: $0.000000
Shares after: 57,223
Date: 24 Feb 2026
Ownership: Direct
Footnotes: F3

Reported derivative securities

Options, warrants, convertible securities, or similar derivative positions disclosed in the filing.

THG transaction Derivative

Common Stock Option (right to buy)

Award

Transaction value: $0
Shares: +14,436
Change %
Price: $0.000000
Shares after: 14,436
Date: 24 Feb 2026
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 14,436
Exercise price: $173.56
Footnotes: F4

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 4 footnotes

Footnote F1

On February 27, 2023, the Reporting Person was granted performance-based restricted stock units ("PBRSUs") pursuant to the Issuer's 2022 Long-Term Incentive Plan ("2022 LTIP"). These PBRSUs were subject to a performance-based vesting condition related to three-year average adjusted return on equity and a time-based vesting condition, and also provided for the accumulation of dividend equivalent rights. On February 24, 2026, the performance condition for this award was certified at 150% of the target award (as adjusted for accumulated dividend equivalent rights). This award remains subject to the time-based vesting condition and will vest on February 27, 2026.

Footnote F2

On February 27, 2023, the Reporting Person was granted PBRSUs pursuant to the Issuer's 2022 LTIP. These PBRSUs were subject to a performance-based vesting condition related to three-year relative total shareholder return and a time-based vesting condition, and also provided for the accumulation of dividend equivalent rights. On February 24, 2026, the performance condition for this award was certified at 100% of the target award (as adjusted for accumulated dividend equivalent rights). This award remains subject to the time-based vesting condition and will vest on February 27, 2026.

Footnote F3

Grant of restricted stock units under the Issuer's 2022 LTIP. Such units vest on the third anniversary of the date of grant.

Footnote F4

Such options vest as to one-third of the shares on each of the first three anniversaries of the grant date.