THG executive receives small RSU dividend-equivalent grant

HANOVER INSURANCE GROUP, INC. reported that executive Patricia A. Norton-Gatto, Senior Vice President and Principal Accounting Officer, received a small equity award in the form of restricted stock units.

Rhea-AI Filing Summary

HANOVER INSURANCE GROUP, INC. reported that executive Patricia A. Norton-Gatto, Senior Vice President and Principal Accounting Officer, received a small equity award in the form of restricted stock units. The grant covers 5.761 RSUs at no cash cost as a compensation-related acquisition.

These RSUs were issued under the company’s 2022 Long-Term Incentive Plan as dividend equivalent rights tied to previously granted RSUs, meaning they mirror dividends that would have been paid on earlier awards. The newly credited RSUs vest on the third anniversary of the original underlying RSU grant, and Norton-Gatto now holds 2,446.063 shares of common stock directly following this transaction.

Insider Trade Summary

Grant/Award: 5.761 shares

Grant/Award 1 txn

Insider Norton-Gatto Patricia A.

Role SVP & Princpl. Accntg. Officer

Type	Security	Shares	Price	Value
Grant/Award	Common Stock	5.761	$0.00	$0.00

Holdings After Transaction: Common Stock — 2,446.063 shares (Direct)

Footnotes (1)

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 RSUs vest on the third anniversary of the date of grant of the original underlying RSUs.

Key Figures

RSU grant size: 5.761 RSUs Grant price per share: $0.0000 per share Post-transaction holdings: 2,446.063 shares +1 more

4 metrics

RSU grant size 5.761 RSUs Dividend-equivalent grant on common stock

Grant price per share $0.0000 per share Compensation-related RSU acquisition

Post-transaction holdings 2,446.063 shares Common stock directly owned after grant

Transaction date 2026-06-26 Date RSU dividend-equivalent grant was recorded

Key Terms

restricted stock units, dividend equivalent rights, 2022 Long-Term Incentive Plan

3 terms

restricted stock units financial

"Grant of restricted stock units ("RSUs") under the Issuer's 2022 Long-Term Incentive Plan"

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

"in connection with the accrual of dividend equivalent rights associated with RSUs previously granted"

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 ("2022 LTIP")"

FAQ

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

What insider transaction did THG executive Patricia Norton-Gatto report?

Patricia Norton-Gatto reported receiving 5.761 restricted stock units as a compensation-related grant. These RSUs were credited at no cash cost and arise from dividend equivalent rights tied to prior awards under Hanover Insurance Group’s 2022 Long-Term Incentive Plan.

Was the THG Form 4 transaction a stock purchase or sale?

The Form 4 shows an acquisition through an equity award, not a market trade. Norton-Gatto received 5.761 restricted stock units as a grant, with no reported open-market buying or selling of Hanover Insurance Group common stock in this filing.

How many THG shares does Patricia Norton-Gatto hold after this Form 4?

After the reported grant, Norton-Gatto directly holds 2,446.063 shares of Hanover Insurance Group common stock. This total reflects her position following the addition of 5.761 restricted stock units credited under the company’s 2022 Long-Term Incentive Plan.

What plan governs the THG restricted stock unit grant in this Form 4?

The restricted stock unit grant is issued under Hanover Insurance Group’s 2022 Long-Term Incentive Plan. The Form 4 footnote explains the RSUs result from dividend equivalent rights tied to earlier RSU awards previously granted pursuant to this same 2022 plan.

When do Patricia Norton-Gatto’s new THG RSUs vest?

The newly credited restricted stock units vest on the third anniversary of the original underlying RSU grant date. This means the vesting schedule follows the prior award’s timing, aligning the dividend-equivalent RSUs with the original long-term incentive structure.

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

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Accepted by SEC EDGAR 06/30/2026 - 04:09 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^*

Norton-Gatto Patricia A.

(Last) (First) (Middle)

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)

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	SVP & Princpl. Accntg. Officer

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
06/26/2026

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	06/26/2026		A(1)		5.761	A	$0	2,446.063	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 RSUs vest on the third anniversary of the date of grant of the original underlying RSUs.

	/s/ Lindsay L. Katz, Attorney-in-Fact	06/30/2026
	** 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)