Hanover Insurance director Egan receives 4 stock units

Egan elected to defer the grant upon vesting under a deferral agreement.

Rhea-AI Filing Summary

The Hanover Insurance Group, Inc. director Cynthia Egan acquired 4 shares of common stock on September 25, 2026, through a restricted stock unit grant tied to dividend equivalent rights on previously granted RSUs under the 2022 Long-Term Incentive Plan. The units vest on the earlier of the one-year anniversary of the original underlying RSUs’ grant or the next annual meeting; Egan elected to defer the grant upon vesting under a deferral agreement. Her reported direct holdings after the transaction were 10,209 shares. A footnote says this excludes 977 shares held indirectly in a Rabbi Trust under deferral agreements.

Insider Trade Summary

Grant/Award: 3.7 shares

Grant/Award 1 txn

Insider Egan Cynthia

Role Director

Type	Security	Shares	Price	Value
Grant/Award	Common Stock F1, F2	3.7	$0.00	$0.00

Holdings After Transaction: Common Stock — 10,209.467 shares (Direct)

Footnotes (2)

1. F1. Grant of restricted stock units ("RSUs") under the Issuer's 2022 Long-Term Incentive Plan ("2022 LTIP") in connection with the accrual of dividend equivalent rights associated with RSUs previously granted under the Issuer's 2022 LTIP. Such units vest on the earlier of the one-year anniversary of the date of grant of the original underlying RSUs or the date of the next annual meeting. The Reporting Person has elected to defer such grant upon vesting pursuant to a deferral agreement.
2. F2. Does not include 977 shares held indirectly in a Rabbi Trust pursuant to deferral agreements.

Key Figures

Common shares acquired: 4 shares Direct holdings after transaction: 10,209 shares Indirect Rabbi Trust holdings: 977 shares

3 metrics

Common shares acquired 4 shares Grant reported for September 25, 2026

Direct holdings after transaction 10,209 shares Cynthia Egan’s reported position after the transaction

Indirect Rabbi Trust holdings 977 shares Held under deferral agreements; excluded from the reported direct holdings

Key Terms

restricted stock units, dividend equivalent rights, 2022 Long-Term Incentive Plan, Rabbi Trust, +1 more

5 terms

restricted stock units financial

"Grant of restricted stock units (“RSUs”)"

Restricted stock units are a type of company reward where employees are promised shares of stock, but they only fully own these shares after meeting certain conditions, like staying with the company for a set time. They matter because they can become valuable assets and are often used to motivate employees to help the company succeed.

dividend equivalent rights financial

"accrual of dividend equivalent rights associated with RSUs"

Dividend equivalent rights are promises that mirror the cash payments shareholders get from a company’s profits, but they are paid to holders of certain awards (like stock options or restricted stock units) rather than to actual shares. Think of them as a paycheck top‑up that matches dividends while the award is not yet a real stock, and they matter to investors because they add to employee compensation costs and potential share dilution, affecting company profitability and per‑share value.

2022 Long-Term Incentive Plan financial

"under the Issuer’s 2022 Long-Term Incentive Plan"

Rabbi Trust financial

"977 shares held indirectly in a Rabbi Trust"

A rabbi trust is a special account a company sets up to hold promised future pay for executives, like bonus or retirement money, so those employees can see there are funds earmarked for them. It matters to investors because it signals the company’s commitment to keep key people, but the money is still part of the company’s assets and can be claimed by creditors if the company goes bankrupt—think of it as a labeled jar that isn’t completely off-limits.

deferral agreement financial

"defer such grant upon vesting pursuant to a deferral agreement"

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

How many shares did THG director Cynthia Egan acquire?

Cynthia Egan acquired 4 shares of common stock on September 25, 2026, through a restricted stock unit grant tied to dividend equivalent rights on previously granted RSUs.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Available on EDGAR 09/28/2026 - 04:33 PM Accepted by SEC EDGAR 09/28/2026 - 04:32 PM Learn about SEC filing dates

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

Egan Cynthia

(Last) (First) (Middle)

C/O THE HANOVER INSURANCE GROUP, INC.

440 LINCOLN STREET

(Street)

WORCESTER MASSACHUSETTS 01653

(City) (State) (Zip)

UNITED STATES

(Country)

2. Issuer Name and Ticker or Trading Symbol
HANOVER INSURANCE GROUP, INC. [ THG ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

X	Director		10% Owner
	Officer (give title below)		Other (specify below)

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
09/25/2026

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

4. If Amendment, Date of Original Filed (Month/Day/Year)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Common Stock	09/25/2026		A(1)		3.7	A	$0	10,209.467(2)	D

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

1. Grant of restricted stock units ("RSUs") under the Issuer's 2022 Long-Term Incentive Plan ("2022 LTIP") in connection with the accrual of dividend equivalent rights associated with RSUs previously granted under the Issuer's 2022 LTIP. Such units vest on the earlier of the one-year anniversary of the date of grant of the original underlying RSUs or the date of the next annual meeting. The Reporting Person has elected to defer such grant upon vesting pursuant to a deferral agreement.

2. Does not include 977 shares held indirectly in a Rabbi Trust pursuant to deferral agreements.

	/s/ Lindsay L. Katz pursuant to Confirming Statement	09/28/2026
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.
* Form 4: SEC 1474 (03-26)