THG holder plans sale of 1,000 common shares

A shareholder of the company with symbol THG has filed to sell 1,000 shares of common stock through Morgan Stanley Smith Barney LLC Executive Financial Services on or about 08/03/2026 on the NYSE.

Rhea-AI Filing Summary

A shareholder of the company with symbol THG has filed to sell 1,000 shares of common stock through Morgan Stanley Smith Barney LLC Executive Financial Services on or about 08/03/2026 on the NYSE. The planned sale is based on a reference aggregate value of $231,499.40.

The 1,000 shares to be sold were acquired as restricted stock that vested on 01/02/2026 under a registered compensation plan, with the issuer listed as the source of those shares.

Key Figures

Shares planned for sale: 1,000 shares Aggregate market value: $231,499.40 Planned sale date: 08/03/2026 +2 more

5 metrics

Shares planned for sale 1,000 shares Common stock to be sold on or about 08/03/2026

Aggregate market value $231,499.40 Reference value for 1,000 common shares to be sold

Planned sale date 08/03/2026 Date of proposed NYSE sale of common shares

Restricted stock vesting date 01/02/2026 Vesting date of 1,000 restricted shares under a registered plan

Exchange NYSE Market on which the 1,000 common shares are to be sold

Key Terms

restricted stock, registered plan, compensation, Morgan Stanley Smith Barney LLC Executive Financial Services

4 terms

restricted stock financial

"Restricted Stock Vesting Under a Registered Plan"

Shares granted to an individual that carry limits on transfer or sale until certain conditions are met, such as staying with the company for a set time or hitting performance targets. Think of them as a locked gift that gradually opens; for investors they matter because they affect how many shares may enter the market later, signal management incentives and potential dilution, and reveal confidence in future company performance.

registered plan regulatory

"Restricted Stock Vesting Under a Registered Plan"

A registered plan is a savings or investment account that a government recognizes for special tax treatment and rules, such as limits on how much you can put in and conditions for withdrawals. For investors it matters because those rules change how much of your gains are taxed, how quickly your money can be accessed and what strategies make sense — like a labeled jar that gives tax breaks but comes with rules about when and how you can take the money out.

compensation financial

"Restricted Stock Vesting Under a Registered Plan | Issuer | | | 1000 | 01/02/2026 | Compensation"

Morgan Stanley Smith Barney LLC Executive Financial Services financial

"Common | Morgan Stanley Smith Barney LLC Executive Financial Services 1 New York Plaza"

FAQ

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

What stock sale is being planned for THG in this Form 144-related disclosure?

A shareholder of THG plans to sell 1,000 shares of common stock on or about 08/03/2026. The trade is to be executed on the NYSE through Morgan Stanley Smith Barney LLC Executive Financial Services.

What is the estimated value of the THG shares to be sold?

The planned sale of 1,000 THG shares is tied to an aggregate value of $231,499.40. This figure reflects the reference market value used in the sale notice, not necessarily the final execution price.

How were the THG shares being sold originally acquired?

The 1,000 THG shares were acquired as restricted stock granted as compensation. They vested under a registered plan on 01/02/2026, with the issuer identified as the source of the award.

When did the restricted THG stock vest before this planned sale?

The restricted THG stock vested on 01/02/2026 under a registered compensation plan. Following this vesting, the holder filed to sell 1,000 shares in a transaction expected on or about 08/03/2026.

Which broker is handling the planned THG stock sale?

The planned sale of 1,000 THG shares will be handled by Morgan Stanley Smith Barney LLC Executive Financial Services, based at 1 New York Plaza, 8th Floor, New York, NY 10004, with the trade on the NYSE.

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

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Available on EDGAR 08/03/2026 - 04:11 PM Accepted by SEC EDGAR 08/03/2026 - 04:11 PM Learn about SEC filing dates

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	0001558946
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	THE HANOVER INSURANCE GROUP, INC.
SEC File Number	001-13754
Address of Issuer	440 Lincoln Street Worcester MASSACHUSETTS 01653
Phone	(508) 855-1000
Name of Person for Whose Account the Securities are To Be Sold	JANE D CARLIN
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

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	Morgan Stanley Smith Barney LLC Executive Financial Services 1 New York Plaza 8th Floor New York NY 10004	1000	231499.40	34820221	08/03/2026	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	01/02/2026	Restricted Stock Vesting Under a Registered Plan	Issuer			1000	01/02/2026	Compensation

* 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

Nothing to Report

144: Remarks and Signature

Remarks
Date of Notice	08/03/2026
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/ Jane D Carlin
ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)