John C. Roche - 19 May 2026 Form 4 Insider Report for HANOVER INSURANCE GROUP, INC. (THG)

Source evidence Original filing metadata and source links for verification. 5 source fields
SEC form
4
Accepted by SEC
21 May 2026, 16:26:17 UTC
Prior SEC filing
19 May 2026
Next SEC filing
30 Jun 2026
Source filing
View source filing
Reporting owner 1 detail
Reporting owner signature
/s/ Lindsay L. Katz pursuant to Confirming Statement

Key filing fact

John C. Roche filed Form 4 for HANOVER INSURANCE GROUP, INC. (THG) on 21 May 2026.

Key facts

  • This page summarizes John C. Roche's Form 4 filing for HANOVER INSURANCE GROUP, INC. (THG).
  • 8 reported transactions and 2 derivative rows are listed below.
  • Accepted by SEC: 21 May 2026, 16:26.

Change

  • Previous filing in this sequence was filed on 19 May 2026.
  • Current net transaction value: -$1,619,266.

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 0001428157 Primary reporting owner

Roche John C

Relationship
President and CEO, Director
Address
C/O THE HANOVER INSURANCE GROUP, INC., 440 LINCOLN STREET, WORCESTER
Signature
/s/ Lindsay L. Katz pursuant to Confirming Statement
Signature date
21 May 2026

Reported non-derivative transactions

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

THG transaction

Common Stock

Options Exercise

Transaction value
Shares
+9,098
Change %
+6.5%
Price
$85.87*
Shares after
150,109
Date
19 May 2026
Ownership
Direct
Footnotes
F1, F2
THG transaction

Common Stock

Options Exercise

Transaction value
Shares
+24,026
Change %
+16%
Price
$104.11*
Shares after
174,135
Date
19 May 2026
Ownership
Direct
Footnotes
F1, F2
THG transaction

Common Stock

Tax liability

Transaction value
Shares
-24,766
Change %
-14%
Price
$193.79*
Shares after
149,369
Date
19 May 2026
Ownership
Direct
Footnotes
F1, F2
THG transaction

Common Stock

Sale

Transaction value
$608,998
Shares
-3,152
Change %
-2.1%
Price
$193.21
Shares after
146,217
Date
20 May 2026
Ownership
Direct
Footnotes
F1, F2, F3
THG transaction

Common Stock

Sale

Transaction value
$998,387
Shares
-5,145
Change %
-3.5%
Price
$194.05
Shares after
141,072
Date
20 May 2026
Ownership
Direct
Footnotes
F1, F2, F4
THG transaction

Common Stock

Sale

Transaction value
$11,881
Shares
-61
Change %
-0.04%
Price
$194.77
Shares after
141,011
Date
20 May 2026
Ownership
Direct
Footnotes
F1, F2

Reported derivative securities

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

THG transaction Derivative

Common Stock Option (right to buy)

Options Exercise

Transaction value
Shares
-9,098
Change %
-100%
Price
$0.000000*
Shares after
0
Date
19 May 2026
Ownership
Direct
Underlying class
Common Stock
Underlying amount
9,098
Exercise price
$85.87
Footnotes
F5
THG transaction Derivative

Common Stock Option (right to buy)

Options Exercise

Transaction value
Shares
-24,026
Change %
-33%
Price
$0.000000*
Shares after
48,052
Date
19 May 2026
Ownership
Direct
Underlying class
Common Stock
Underlying amount
24,026
Exercise price
$104.11
Footnotes
F6
* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Rule 10b5-1 trading plan

These transactions were reported as open-market trades under a Rule 10b5-1 plan. The plan lets an insider set trading instructions in advance, which can reduce the risk of trading while in possession of material nonpublic information.

Original filing language: transaction made pursuant to a contract, instruction, or written plan intended to satisfy Rule 10b5-1(c).

Explanation of responses 6 footnotes

Footnote F1

Pursuant to a pre-established Rule 10b5-1 Trading Plan, adopted on November 19, 2025, the Reporting Person's options were "net exercised". Accordingly, a total of 24,766 shares were withheld by the Company to satisfy the exercise price and taxes associated with the exercises, resulting in a net issuance of 8,358 shares, which were subsequently sold in accordance with the terms of the Rule 10b5-1 Trading Plan.

Footnote F2

Does not include 14,454 shares held by the Reporting Person's spouse.

Footnote F3

The price reported in Column 4 is a weighted average price. The shares were sold at multiple prices ranging from $192.70 to $193.69. The Reporting Person undertakes to provide The Hanover Insurance Group, Inc. ("THG"), any security holder of THG, or the staff of the SEC, upon request, full information regarding the number of shares sold at each separate price within the range set forth above.

Footnote F4

The price reported in Column 4 is a weighted average price. The shares were sold at multiple prices ranging from $193.73 to $194.72. The Reporting Person undertakes to provide THG, any security holder of THG, or the staff of the SEC, upon request, full information regarding the number of shares sold at each separate price within the range set forth above.

Footnote F5

The option, representing the right to purchase a total of 27,292 shares, vested 1/3 on each of 2/24/18, 2/24/19 and 2/24/20.

Footnote F6

The option, representing the right to purchase a total of 72,078 shares, vested 1/3 on each of 2/27/19, 2/27/20 and 2/27/21.

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