Hanover Insurance director proposes $1.63M share sale

Accepted by SEC EDGAR 05/20/2026 - 09:50 AM EDT Learn about SEC filing dates

Rhea-AI Filing Summary

Hanover Insurance Group, Inc. (THG) officer and director John C. Roche gave notice of a proposed sale of 8,358 common shares, with an aggregate market value of $1,625,045.94 and an approximate sale date of May 20, 2026. The notice reports a Rule 10b5-1 plan adoption date of November 19, 2025. It also records that Roche acquired 8,358 shares through a cash-paid stock option exercise from the issuer on May 19, 2026, and sold 5,251 common shares on May 18, 2026, for gross proceeds of $1,040,036.44.

Key Figures

Proposed sale: 8,358 common shares Aggregate market value: $1,625,045.94 Shares acquired through stock option exercise: 8,358 shares +2 more

5 metrics

Proposed sale 8,358 common shares Approximate sale date May 20, 2026

Aggregate market value $1,625,045.94 Proposed sale

Shares acquired through stock option exercise 8,358 shares May 19, 2026; cash payment

Shares sold during past three months 5,251 common shares May 18, 2026

Gross proceeds $1,040,036.44 Sale on May 18, 2026

Key Terms

Rule 10b5-1, Stock Option Exercise, Aggregate Market Value

3 terms

Rule 10b5-1 regulatory

"Date of Plan Adoption or Giving of Instruction, If Relying on Rule 10b5-1"

Rule 10b5-1 is a regulation that allows company insiders to buy or sell their shares at predetermined times, even if they have access to non-public information. It acts like setting a schedule in advance for transactions, helping prevent accusations of unfair trading. This rule provides a way for insiders to plan trades transparently, giving investors confidence that these transactions are not based on hidden information.

Stock Option Exercise financial

"Nature of Acquisition Transaction: Stock Option Exercise"

A stock option exercise is the act of using a previously granted right to buy shares of a company's stock at a specific, predetermined price by paying that price and receiving the shares. It matters to investors because exercising changes who owns the shares (which can dilute existing ownership), can trigger taxable events and shift potential gains or losses, and affects voting power and the company’s outstanding share count—like turning a voucher into an actual product that becomes part of circulating supply.

Aggregate Market Value financial

"Aggregate Market Value"

Aggregate market value is the combined price you would pay to buy all outstanding shares of a company or all companies in a group at current market prices — essentially the sum of each stock’s market capitalization. It matters to investors because it shows the overall size and weight of an investment or sector (like the total cost to buy every piece of a puzzle), helps compare scale across companies or markets, and influences index composition and risk exposure.

FAQ

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

How many THG shares did John C. Roche propose to sell?

John C. Roche, an officer and director, gave notice of a proposed sale of 8,358 common shares, with an aggregate market value of $1,625,045.94. The approximate sale date is May 20, 2026.

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

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Form 144 Filer Information	UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 144 NOTICE OF PROPOSED SALE OF SECURITIES PURSUANT TO RULE 144 UNDER THE SECURITIES ACT OF 1933
FORM 144

144: Filer Information

Filer CIK	0001428157
Filer CCC	XXXXXXXX
Is this a LIVE or TEST Filing?	LIVE TEST
Submission Contact Information
Name
Phone
E-Mail Address

144: Issuer Information

Name of Issuer	HANOVER INSURANCE GROUP, INC.
SEC File Number	001-13754
Address of Issuer	440 LINCOLN ST WORCESTER MASSACHUSETTS 01653
Phone	5088551000
Name of Person for Whose Account the Securities are To Be Sold	Roche John C
See the definition of "person" in paragraph (a) of Rule 144. Information is to be given not only as to the person for whose account the securities are to be sold but also as to all other persons included in that definition. In addition, information shall be given as to sales by all persons whose sales are required by paragraph (e) of Rule 144 to be aggregated with sales for the account of the person filing this notice.
Relationship to Issuer	Officer
Relationship to Issuer	Director

144: Securities Information

Title of the Class of Securities To Be Sold	Name and Address of the Broker	Number of Shares or Other Units To Be Sold	Aggregate Market Value	Number of Shares or Other Units Outstanding	Approximate Date of Sale	Name the Securities Exchange
Common	Fidelity Brokerage Services LLC 900 Salem Street Smithfield RI 02917	8358	1625045.94	34986787	05/20/2026	NYSE

Furnish the following information with respect to the acquisition of the securities to be sold and with respect to the payment of all or any part of the purchase price or other consideration therefor:

144: Securities To Be Sold

Title of the Class	Date you Acquired	Nature of Acquisition Transaction	Name of Person from Whom Acquired	Is this a Gift?	Date Donor Acquired	Amount of Securities Acquired	Date of Payment	Nature of Payment *
Common	05/19/2026	Stock Option Exercise	Issuer			8358	05/19/2026	Cash

* If the securities were purchased and full payment therefor was not made in cash at the time of purchase, explain in the table or in a note thereto the nature of the consideration given. If the consideration consisted of any note or other obligation, or if payment was made in installments describe the arrangement and state when the note or other obligation was discharged in full or the last installment paid.

Furnish the following information as to all securities of the issuer sold during the past 3 months by the person for whose account the securities are to be sold.

144: Securities Sold During The Past 3 Months

Name and Address of Seller	Title of Securities Sold	Date of Sale	Amount of Securities Sold	Gross Proceeds
John Roche 440 Lincoln Street Worcester MA 01653	Common	05/18/2026	5251	1040036.44

144: Remarks and Signature

Remarks
Date of Notice	05/20/2026
Date of Plan Adoption or Giving of Instruction, If Relying on Rule 10b5-1	11/19/2025
ATTENTION:
The person for whose account the securities to which this notice relates are to be sold hereby represents by signing this notice that he does not know any material adverse information in regard to the current and prospective operations of the Issuer of the securities to be sold which has not been publicly disclosed. If such person has adopted a written trading plan or given trading instructions to satisfy Rule 10b5-1 under the Exchange Act, by signing the form and indicating the date that the plan was adopted or the instruction given, that person makes such representation as of the plan adoption or instruction date.
Signature	/s/ Jennifer Ruchti, as a duly authorized representative of Fidelity Brokerage Services LLC, as attorney-in-fact for John Roche
ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)