Safety Insurance CFO awarded stock, withholds shares

Safety Insurance Group VP, CFO and Secretary Christopher Thomas Whitford reported several equity compensation and related tax transactions in company common stock.

Rhea-AI Filing Summary

Safety Insurance Group VP, CFO and Secretary Christopher Thomas Whitford reported several equity compensation and related tax transactions in company common stock. On February 25, 2026, he acquired 2,581 and 2,973 shares through stock grants at a stated price of $0.00 per share.

The same day, he recorded an additional 2,269-share adjustment labeled as another transaction. Between February 24 and March 2, 2026, he disposed of multiple small blocks of shares, ranging from 27 to 320 shares, as tax-withholding dispositions at prices around $76–$77 per share. After the latest transaction on March 2, his direct holdings in common stock were reported as 23,158 shares.

Insider Trade Summary

9 transactions reported

Mixed 9 txns

Insider Whitford Christopher Thomas

Role VP, CFO AND SECRETARY

Type	Security	Shares	Price	Value
Exercise Price or Tax Liability	Common Stock	27	$76.19	$2K
Exercise Price or Tax Liability	Common Stock	289	$76.89	$22K
Exercise Price or Tax Liability	Common Stock	117	$76.78	$9K
Exercise Price or Tax Liability	Common Stock	243	$77.49	$19K
Other	Common Stock	2,269	$0.00	$0.00
Grant/Award	Common Stock	2,581	$0.00	$0.00
Grant/Award	Common Stock	2,973	$0.00	$0.00
Exercise Price or Tax Liability	Common Stock	320	$76.95	$25K
Exercise Price or Tax Liability	Common Stock	68	$77.43	$5K

Holdings After Transaction: Common Stock — 23,158 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 24, 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.

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Accepted by SEC EDGAR 03/03/2026 - 05:44 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^*

Whitford Christopher Thomas

(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, CFO AND SECRETARY

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		2,269(1)	D	$0	18,668	D
Common Stock	02/25/2026		A		2,581(2)	A	$0	21,249	D
Common Stock	02/25/2026		A		2,973(3)	A	$0	24,222	D
Common Stock	02/24/2026		F		320(4)(5)	D	$76.95(6)	23,902	D
Common Stock	02/24/2026		F		68(4)(5)	D	$77.43(7)	23,834	D
Common Stock	02/27/2026		F		117(4)(5)	D	$76.78(8)	23,717	D
Common Stock	02/27/2026		F		243(4)(5)	D	$77.49(9)	23,474	D
Common Stock	03/02/2026		F		27(4)(5)	D	$76.19(10)	23,447	D
Common Stock	03/02/2026		F		289(4)(5)	D	$76.89(11)	23,158	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 24, 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/ Christopher T. Whitford	03/03/2026
	** Signature of Reporting Person	Date
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