SRB CORP 4
4 · SAFETY INSURANCE GROUP INC · Filed Mar 3, 2026
Research Summary
AI-generated summary of this filing
Safety Insurance (SAFT) 10% Owner SRB Corp Sells 11,505 Shares
What Happened
SRB Corporation (a direct, wholly‑owned subsidiary of The Plymouth Rock Company Incorporated and a reported 10% owner) sold a total of 11,505 shares of Safety Insurance Group, Inc. (SAFT) in two open‑market transactions. On 2026-02-27 SRB sold 235 shares at $77.82 each (≈ $18,288), and on 2026-03-02 it sold 11,270 shares at $76.49 each (≈ $862,042). Total proceeds from these sales were about $880,330. These were outright sales (transaction code S), not purchases or option exercises.
Key Details
- Transaction dates and prices:
- 2026-02-27: 235 shares @ $77.82 — $18,288
- 2026-03-02: 11,270 shares @ $76.49 — $862,042
- Total shares sold: 11,505; total proceeds ≈ $880,330.
- Shares owned after transaction: Not specified in the provided filing excerpt.
- Filing: Form 4 filed 2026-03-03 reporting the above trades; timing appears to be within the required two business days for these transactions (timely).
- Footnotes (high level): Filing is a joint report by SRB Corporation and The Plymouth Rock Company Incorporated (PRC). SRB is a subsidiary and acts as investment manager to PRC and disclaims beneficial ownership; PRC and multiple subsidiaries/managed entities are referenced as holding shares in the aggregate. The filing includes standard disclaimers about beneficial ownership.
Context
This filing involves a 10% institutional owner (SRB/PRC group), not an individual executive. Institutional sales like this often reflect portfolio or fund management activity rather than a direct signal about company fundamentals. Sales are factual: purchases tend to be more informative for bullish signals.
Insider Transaction Report
Form 4
SRB CORP
10% Owner
Transactions
- Sale
Common Stock
[F1][F2][F3][F4][F5]2026-02-27$77.82/sh−235$18,288→ 1,821,275 total(indirect: See) - Sale
Common Stock
[F1][F2][F3][F4][F5]2026-03-02$76.49/sh−11,270$862,042→ 1,810,005 total(indirect: See)
Footnotes (5)
- [F1]This Form 4 is being jointly filed by SRB Corporation, a Massachusetts corporation ("SRB"), and The Plymouth Rock Company Incorporated, a Massachusetts corporation ("PRC"), and each shall be deemed a Reporting Person. SRB is a direct, wholly-owned subsidiary of PRC and acts as investment manager to PRC and, in such capacity, may be deemed to have voting and dispositive power over the shares of Common Stock reported on this Form 4. SRB disclaims beneficial ownership of the shares of Common Stock reported on this Form 4, and this report shall not be deemed an admission that SRB is a beneficial owner of such shares for purposes of Section 16 or for any other purpose. (Continued in Footnote 2)
- [F2]The Reporting Persons are making this single joint filing because they may be deemed a "group" within the meaning of Section 13(d)(3) of the Securities Act of 1934, as amended. This joint filing shall not, however, be deemed an affirmation that a group exists among the Reporting Persons for the purposes of the Securities Exchange Act of 1934 or for any other purpose and each Reporting Person expressly disclaims beneficial ownership of any securities beneficially owned by any other person.
- [F3]PRC holds 4,120 of the shares of Common Stock reported on this Form 4. The following subsidiaries of PRC hold in the aggregate 788,206 shares of the Common Stock reported on this Form 4: Plymouth Rock Security Corporation, a Massachusetts security corporation ("PRSC"); Plymouth Rock Assurance Corporation, a Massachusetts corporation ("PRAC"); Plymouth Rock Assurance Preferred Corporation, a New York corporation ("PRAPC"); Plymouth Rock Assurance Corporation of New York, a New York corporation ("PRACNY"); Pilgrim Insurance Company, a Massachusetts corporation ("Pilgrim"); Plymouth Rock Home Assurance Corporation, a Massachusetts corporation ("PRHAC"); Bunker Hill Insurance Casualty Company, a Massachusetts corporation ("BHICC"); Bunker Hill Preferred Insurance Company, a Massachusetts corporation ("BHPREFIC"); Bunker Hill Property Insurance Company, a Massachusetts corporation ("BHPIC"); (Continued in Footnote 4)
- [F4]and Bunker Hill Insurance Company, a Massachusetts corporation ("BHIC"). PRSC, PRAC, and PRHAC are direct wholly-owned subsidiaries of PRC. PRAPC and PRACNY are direct wholly-owned subsidiaries of PRAC. Pilgrim is a direct wholly-owned subsidiary of SRB. BHICC, BHPREFIC, BHPIC, and BHIC are direct wholly-owned subsidiaries of PRHAC. Palisades Safety and Insurance Association, a New Jersey reciprocal insurance exchange ("PSIA"), is managed by a subsidiary of PRC. PSIA and the following subsidiaries of PSIA hold in the aggregate 1,017,679 shares of the Common Stock reported on this Form 4: High Point Safety and Insurance Company, a New Jersey corporation ("HPSIC"); High Point Property and Casualty Insurance Company, a New Jersey corporation ("HPPCIC"); High Point Preferred Insurance Company, a New Jersey corporation ("HPPIC"); Palisades Insurance Company, a New Jersey corporation ("PICNJ"); (Continued in Footnote 5)
- [F5]Twin Lights Insurance Company, a New Jersey corporation ("TLIC"); and Teachers Auto Insurance Company of New Jersey, a New Jersey corporation ("TAIC"). HPSIC, HPPIC, TLIC, and TAIC are direct wholly-owned subsidiaries of HPPCIC, which is a direct wholly-owned subsidiary of PSIA, as is PICNJ. PRC disclaims beneficial ownership of the shares of Common Stock reported on this Form 4 except to the extent of its pecuniary interest therein, and this report shall not be deemed an admission that PRC is a beneficial owner of such shares for purposes of Section 16 or for any other purpose.
Signature
/s/ Frederick C. Childs|2026-03-03