Safety Insurance VP reports stock grants, dispositions

Safety Insurance Group VP of Actuarial Services Glenn Hiltpold reported a mix of equity awards and share dispositions involving the company’s common stock.

Rhea-AI Filing Summary

Safety Insurance Group VP of Actuarial Services Glenn Hiltpold reported a mix of equity awards and share dispositions involving the company’s common stock. On February 25, 2026, he acquired 1,864 and 2,147 shares as restricted stock awards, with vesting tied to multi‑year service and performance conditions. The same day, an additional 1,513 shares were recorded as an adjustment to performance shares earned over a three‑year period ending December 31, 2025. On February 24, 27 and March 2, 2026, he disposed of small blocks of shares through tax-withholding dispositions at prices around $76–$77 per share to cover tax liabilities on vesting awards. After these transactions, he held 14,963 common shares directly.

Insider Trade Summary

9 transactions reported

Mixed 9 txns

Insider Hiltpold Glenn

Role VP OF ACTUARIAL SERVICES

Type	Security	Shares	Price	Value
Exercise Price or Tax Liability	Common Stock	18	$76.18	$1K
Exercise Price or Tax Liability	Common Stock	185	$76.89	$14K
Exercise Price or Tax Liability	Common Stock	72	$76.79	$6K
Exercise Price or Tax Liability	Common Stock	146	$77.49	$11K
Other	Common Stock	1,513	$0.00	$0.00
Grant/Award	Common Stock	1,864	$0.00	$0.00
Grant/Award	Common Stock	2,147	$0.00	$0.00
Exercise Price or Tax Liability	Common Stock	183	$76.94	$14K
Exercise Price or Tax Liability	Common Stock	39	$77.43	$3K

Holdings After Transaction: Common Stock — 14,963 shares (Direct)

Footnotes (11)

1. F1. Represents the difference between performance shares, with a three year performance period, that were granted on February 22, 2023 and actual shares earned at the end of the performance period on December 31, 2025. Final shares were approved by the Compensation Committee on February 25, 2026.
2. F2. Represents restricted stock awards effective February 25, 2026, with respect to which sale or transfer rights shall vest over three years with installments of 30% on February 25, 2027, 30% on February 25, 2028, and the remaining 40% on February 25, 2029, provided the grantee meets certain employment conditions.
3. F3. Represents restricted stock awards granted effective February 25, 2026 with respect to which sale or transfer rights will vest over a three-year performance period commencing on January 1, 2026 and ending on December 31, 2028. Vesting of these shares is dependent upon the attainment of pre-established performance objectives, and any difference between shares granted and shares earned at the end of the performance period will be reported at the conclusion of the performance period in 2029.
4. F4. Represents securities delivered in payment of a tax liability with respect to vesting of securities issued in accordance with Rule 16b-3.
5. F5. Securities sold pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on September 25, 2025.
6. F6. Represents the weighted average sale price of multiple open market same day sales with prices ranging from $76.28 to $77.23 per share. Full information regarding the number of shares sold at each separate price will be provided to the Securities and Exchange Commission or a security holder of the issuer upon request.
7. F7. Represents the weighted average sale price of multiple open market same day sales with prices ranging from $77.32 to $77.59 per share. Full information regarding the number of shares sold at each separate price will be provided to the Securities and Exchange Commission or a security holder of the issuer upon request.
8. F8. Represents the weighted average sale price of multiple open market same day sales with prices ranging from $76.10 to $77.09 per share. Full information regarding the number of shares sold at each separate price will be provided to the Securities and Exchange Commission or a security holder of the issuer upon request.
9. F9. Represents the weighted average sale price of multiple open market same day sales with prices ranging from $77.20 to $77.73 per share. Full information regarding the number of shares sold at each separate price will be provided to the Securities and Exchange Commission or a security holder of the issuer upon request.
10. F10. Represents the weighted average sale price of multiple open market same day sales with prices ranging from $75.50 to $76.22 per share. Full information regarding the number of shares sold at each separate price will be provided to the Securities and Exchange Commission or a security holder of the issuer upon request.
11. F11. Represents the weighted average sale price of multiple open market same day sales with prices ranging from $76.53 to $77.17 per share. Full information regarding the number of shares sold at each separate price will be provided to the Securities and Exchange Commission or a security holder of the issuer upon request.

FAQ

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

What did SAFETY INSURANCE GROUP (SAFT) executive Glenn Hiltpold report in this Form 4?

Glenn Hiltpold reported new restricted stock awards and related tax-withholding share dispositions. He received multiple common stock grants and surrendered small share amounts to cover tax liabilities tied to vesting, ending with 15,148 shares held directly.

How many SAFETY INSURANCE GROUP (SAFT) shares did Glenn Hiltpold acquire in equity awards?

Hiltpold acquired several blocks of common stock through equity compensation. These included restricted stock awards of 1,864 and 2,147 shares, plus 1,513 performance-based shares earned for a three-year period ending December 31, 2025, all recorded on February 25, 2026.

Were Glenn Hiltpold’s SAFETY INSURANCE GROUP (SAFT) share disposals open-market sales?

The reported disposals were tax-withholding dispositions, not ordinary open-market sales. Shares were delivered to satisfy tax liabilities upon vesting of equity awards, using transaction code F, which denotes payment of tax or exercise costs with previously owned shares.

What prices were used for Glenn Hiltpold’s SAFETY INSURANCE GROUP (SAFT) tax-withholding share dispositions?

The tax-withholding dispositions involved small share blocks at prices around the mid‑$70s. Reported per‑share prices ranged from about $76.18 to $77.49, reflecting market prices used to value shares delivered to cover tax obligations on vested awards.

How many SAFETY INSURANCE GROUP (SAFT) shares does Glenn Hiltpold hold after these transactions?

Following the reported awards and tax-withholding share deliveries, Hiltpold directly holds 15,148 shares of SAFETY INSURANCE GROUP common stock. This figure comes from the most recent transaction dated March 2, 2026, and reflects his updated direct ownership position.

What are the vesting terms for Glenn Hiltpold’s new SAFETY INSURANCE GROUP (SAFT) restricted stock awards?

One restricted stock award vests over three years with 30% vesting on February 25, 2027, another 30% on February 25, 2028, and 40% on February 25, 2029. Another award vests over a 2026–2028 performance period, based on pre-established performance objectives.

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Accepted by SEC EDGAR 03/03/2026 - 05:41 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).

X

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^*

Hiltpold Glenn

(Last) (First) (Middle)

20 CUSTOM HOUSE STREET

(Street)

BOSTON MA 02110

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
SAFETY INSURANCE GROUP INC [ SAFT ]

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

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	VP OF ACTUARIAL SERVICES

3. Date of Earliest Transaction (Month/Day/Year)
02/24/2026

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

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

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

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	02/25/2026		J		1,513(1)	D	$0	11,595	D
Common Stock	02/25/2026		A		1,864(2)	A	$0	13,459	D
Common Stock	02/25/2026		A		2,147(3)	A	$0	15,606	D
Common Stock	02/24/2026		F		183(4)(5)	D	$76.94(6)	15,423	D
Common Stock	02/24/2026		F		39(4)(5)	D	$77.43(7)	15,384	D
Common Stock	02/27/2026		F		72(4)(5)	D	$76.79(8)	15,312	D
Common Stock	02/27/2026		F		146(4)(5)	D	$77.49(9)	15,166	D
Common Stock	03/02/2026		F		18(4)(5)	D	$76.18(10)	15,148	D
Common Stock	03/02/2026		F		185(4)(5)	D	$76.89(11)	14,963	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. Represents the difference between performance shares, with a three year performance period, that were granted on February 22, 2023 and actual shares earned at the end of the performance period on December 31, 2025. Final shares were approved by the Compensation Committee on February 25, 2026.

2. Represents restricted stock awards effective February 25, 2026, with respect to which sale or transfer rights shall vest over three years with installments of 30% on February 25, 2027, 30% on February 25, 2028, and the remaining 40% on February 25, 2029, provided the grantee meets certain employment conditions.

3. Represents restricted stock awards granted effective February 25, 2026 with respect to which sale or transfer rights will vest over a three-year performance period commencing on January 1, 2026 and ending on December 31, 2028. Vesting of these shares is dependent upon the attainment of pre-established performance objectives, and any difference between shares granted and shares earned at the end of the performance period will be reported at the conclusion of the performance period in 2029.

4. Represents securities delivered in payment of a tax liability with respect to vesting of securities issued in accordance with Rule 16b-3.

5. Securities sold pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on September 25, 2025.

6. Represents the weighted average sale price of multiple open market same day sales with prices ranging from $76.28 to $77.23 per share. Full information regarding the number of shares sold at each separate price will be provided to the Securities and Exchange Commission or a security holder of the issuer upon request.

7. Represents the weighted average sale price of multiple open market same day sales with prices ranging from $77.32 to $77.59 per share. Full information regarding the number of shares sold at each separate price will be provided to the Securities and Exchange Commission or a security holder of the issuer upon request.

8. Represents the weighted average sale price of multiple open market same day sales with prices ranging from $76.10 to $77.09 per share. Full information regarding the number of shares sold at each separate price will be provided to the Securities and Exchange Commission or a security holder of the issuer upon request.

9. Represents the weighted average sale price of multiple open market same day sales with prices ranging from $77.20 to $77.73 per share. Full information regarding the number of shares sold at each separate price will be provided to the Securities and Exchange Commission or a security holder of the issuer upon request.

10. Represents the weighted average sale price of multiple open market same day sales with prices ranging from $75.50 to $76.22 per share. Full information regarding the number of shares sold at each separate price will be provided to the Securities and Exchange Commission or a security holder of the issuer upon request.

11. Represents the weighted average sale price of multiple open market same day sales with prices ranging from $76.53 to $77.17 per share. Full information regarding the number of shares sold at each separate price will be provided to the Securities and Exchange Commission or a security holder of the issuer upon request.

	/s/ Glenn R. Hiltpold	03/03/2026
	** Signature of Reporting Person	Date
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