Safety Insurance Group Announces Merger with MAPFRE; HSR Wait Period Expired

What Happened

• Safety Insurance Group, Inc. (Safety) announced it entered into an Agreement and Plan of Merger with MAPFRE U.S.A. Corp. (Mapfre) and Splash Merger Sub, Inc. on July 23, 2026. Under the agreement, Merger Subsidiary will merge into Safety and Safety will survive as a wholly owned direct subsidiary of Mapfre.
• The mandatory waiting period under the Hart-Scott-Rodino Antitrust Improvements Act expired at 11:59 p.m. Eastern Time on September 14, 2026, satisfying one condition to closing. The transaction remains subject to other customary closing conditions, including required regulatory approvals.

Key Details

• Merger agreement signed: July 23, 2026.
• HSR waiting period expired: Sept 14, 2026 at 11:59 p.m. ET.
• Safety mailed the definitive proxy statement to stockholders on or about Sept 14, 2026.
• Closing still requires additional approvals (e.g., Massachusetts Commissioner of Insurance) and other customary conditions.

Why It Matters

• This transaction would make Safety a wholly owned subsidiary of Mapfre, which is material for Safety’s stockholders and could affect corporate control and share value once completed.
• HSR clearance is a key milestone but not a completion — stockholder approval and other regulatory consents remain required. Stockholders are urged to read the definitive proxy statement for voting information, risks, and details about directors/executive interests.
• The filing includes standard forward-looking cautionary statements and lists risks the company says could prevent or delay the merger, affect integration, or impact Safety’s business and stock price.