# EDGAR Filing Document

**Accession Number:** 0001616287
**File Stem:** 0001616287-26-000001
**Filing Date:** 2026-3
**Character Count:** 9260
**Document Hash:** e206eead41c1625a8784dafb7cf2846b
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001616287-26-000001.hdr.sgml**: 20260303

**ACCESSION NUMBER**: 0001616287-26-000001

**CONFORMED SUBMISSION TYPE**: 4

**PUBLIC DOCUMENT COUNT**: 1

**CONFORMED PERIOD OF REPORT**: 20260224

**FILED AS OF DATE**: 20260303

**DATE AS OF CHANGE**: 20260303

**REPORTING-OWNER**: 

**OWNER DATA:**
- **COMPANY CONFORMED NAME:** Varga Stephen Albert
- **CENTRAL INDEX KEY:** 0001616287

**ORGANIZATION NAME:**

**FILING VALUES:**
- **FORM TYPE:** 4
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 000-50070
- **FILM NUMBER:** 26717085

**MAIL ADDRESS:**
- **STREET 1:** 20 CUSTOM HOUSE STREET
- **CITY:** BOSTON
- **STATE:** MA
- **ZIP:** 02110
**ISSUER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** SAFETY INSURANCE GROUP INC
- **CENTRAL INDEX KEY:** 0001172052
- **STANDARD INDUSTRIAL CLASSIFICATION:** FIRE, MARINE & CASUALTY INSURANCE [6331]
- **ORGANIZATION NAME:** 02 Finance
- **EIN:** 134181699
- **STATE OF INCORPORATION:** DE
- **FISCAL YEAR END:** 1231

**BUSINESS ADDRESS:**
- **STREET 1:** 20 CUSTOM HOUSE STREET
- **CITY:** BOSTON
- **STATE:** MA
- **ZIP:** 02110
- **BUSINESS PHONE:** 617-951-0600

**MAIL ADDRESS:**
- **STREET 1:** 20 CUSTOM HOUSE STREET
- **CITY:** BOSTON
- **STATE:** MA
- **ZIP:** 02110

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** SAFETY HOLDINGS INC
- **DATE OF NAME CHANGE:** 20020424

### UNITED STATES SECURITIES AND EXCHANGE COMMISSION
**Washington, D.C. 20549**

## FORM 4

### STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

[ ] 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**<sup>*</sup><br>Varga Stephen Albert<br><sub>(Last) (First) (Middle)</sub><br>20 CUSTOM HOUSE STREET<br><sub>(Street)</sub><br>BOSTON, MA 02110<br><sub>(City) (State) (Zip)</sub> | **3. Date of Earliest Transaction (Month/Day/Year)**<br>2026-02-24 | **5. Relationship of Reporting Person(s) to Issuer**<br>(Check all applicable)<br>[ ] Director [ ] 10% Owner<br>[X] Officer (give title below) [ ] Other (specify below)<br>_VP - MIS_ |
| **2. Issuer Name and Ticker or Trading Symbol**<br>SAFETY INSURANCE GROUP INC [ SAFT ] | **4. If Amendment, Date of Original Filed (Month/Day/Year)**<br>  | **6. Individual or Joint/Group Filing (Check Applicable Line)**<br>[X] Form filed by One Reporting Person<br>[ ] Form filed by More than One Reporting Person |

---

## Table I - Non-Derivative Securities

---

|  |  |  |  |  |  |  |  |  |  |  |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1. Title of Security | 2. Transaction Date | 2A. Deemed Execution Date | 3. Transaction Code (V) | 3. Transaction Code (V) | 4. Securities Acquired (A) or Disposed of (D) | 4. Securities Acquired (A) or Disposed of (D) | 4. Securities Acquired (A) or Disposed of (D) | 5. Amount of Securities Beneficially Owned | 6. Ownership Form | 7. Nature of Indirect Beneficial Ownership |
| 1. Title of Security | 2. Transaction Date | 2A. Deemed Execution Date | Code | V | Amount | (A) or (D) | Price | 5. Amount of Securities Beneficially Owned | 6. Ownership Form | 7. Nature of Indirect Beneficial Ownership |
| Common Stock | 2026-02-25 |  | J |  | 2420<sup>(1)</sup> | D | $0 | 27472 | D |  |
| Common Stock | 2026-02-25 |  | A |  | 2581<sup>(2)</sup> | A | $0 | 30053 | D |  |
| Common Stock | 2026-02-25 |  | A |  | 2973<sup>(3)</sup> | A | $0 | 33026 | D |  |
| Common Stock | 2026-02-24 |  | F |  | 477<sup>(4)(5)</sup> | D | 76.94<sup>(6)</sup> | 32549 | D |  |
| Common Stock | 2026-02-24 |  | F |  | 102<sup>(4)(5)</sup> | D | 77.43<sup>(7)</sup> | 32447 | D |  |
| Common Stock | 2026-02-27 |  | F |  | 475<sup>(4)(5)</sup> | D | 77.42<sup>(8)</sup> | 31972 | D |  |
| Common Stock | 2026-03-02 |  | F |  | 41<sup>(4)(5)</sup> | D | 76.18<sup>(9)</sup> | 31931 | D |  |
| Common Stock | 2026-03-02 |  | F |  | 428<sup>(4)(5)</sup> | D | 76.89<sup>(10)</sup> | 31503 | D |  |

---

## Table II - Derivative Securities

---

|  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1. Title of Derivative Security | 2. Conversion or Exercise Price | 3. Transaction Date | 3A. Deemed Execution Date | 4. Transaction Code (V) | 4. Transaction Code (V) | 5. Number of Derivative Securities Acquired (A) or Disposed of (D) | 5. Number of Derivative Securities Acquired (A) or Disposed of (D) | 6. Date Exercisable and Expiration Date | 6. Date Exercisable and Expiration Date | 7. Title and Amount of Underlying Securities | 7. Title and Amount of Underlying Securities | 8. Price of Derivative Security | 9. Number of Derivative Securities Beneficially Owned | 10. Ownership Form | 11. Nature of Indirect Beneficial Ownership |
| 1. Title of Derivative Security | 2. Conversion or Exercise Price | 3. Transaction Date | 3A. Deemed Execution Date | Code | V | (A) | (D) | Date Exercisable | Expiration Date | Title | Amount or Number of Shares | 8. Price of Derivative Security | 9. Number of Derivative Securities Beneficially Owned | 10. Ownership Form | 11. Nature of Indirect Beneficial Ownership |
|  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |

---

### Footnotes:

(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 $77.07 to $77.90 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 $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.

(10) 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.

**Signature:** /s/ Stephen A. Varga  
**Date:** 2026-03-03

### Remarks:

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.**