Form 4 - Statement of changes in beneficial ownership of securities:
SEC Accession No. 0000904454-26-000195
Filing Date
2026-03-19
Accepted
2026-03-19 17:37:26
Documents
1
Period of Report
2026-03-17

Document Format Files

Seq Description Document Type Size
1 ownership.html 4  
1 ownership.xml 4 8630
  Complete submission text file 0000904454-26-000195.txt   10885
Mailing Address 20 CUSTOM HOUSE STREET BOSTON MA 02110
Business Address 20 CUSTOM HOUSE STREET BOSTON MA 02110 617-951-0600
SAFETY INSURANCE GROUP INC (Issuer) CIK: 0001172052 (see all company filings)

EIN.: 134181699 | State of Incorp.: DE | Fiscal Year End: 1231
SIC: 6331 Fire, Marine & Casualty Insurance
(CF Office: 02 Finance)

Mailing Address 695 ATLANTIC AVENUE BOSTON MA 02111
Business Address 695 ATLANTIC AVENUE BOSTON MA 02111 617-457-7527
SRB CORP (Reporting) CIK: 0001496228 (see all company filings)

State of Incorp.: MA | Fiscal Year End: 1231
Type: 4 | Act: 34 | File No.: 000-50070 | Film No.: 26775360

Mailing Address 695 ATLANTIC AVENUE BOSTON MA 02111
Business Address 695 ATLANTIC AVENUE BOSTON MA 02111 617-951-1026
Plymouth Rock Co Inc (Reporting) CIK: 0001556246 (see all company filings)

State of Incorp.: MA | Fiscal Year End: 1231
Type: 4 | Act: 34 | File No.: 000-50070 | Film No.: 26775359