• Donegal Mutual Insurance Co increased its stake in Donegal Group, buying 23,469 Class A common shares.
• Purchases were reported at prices ranging from $18.89 to $19.28 per share.
• Donegal Mutual’s Class A holdings rose to 14,332,403 shares; it also reported 4,751,974 Class B common shares.

Disclaimer: This news brief was created by Public Technologies (PUBT) using generative artificial intelligence. While PUBT strives to provide accurate and timely information, this AI-generated content is for informational purposes only and should not be interpreted as financial, investment, or legal advice. Donegal Group Inc. published the original content used to generate this news brief via EDGAR, the Electronic Data Gathering, Analysis, and Retrieval system operated by the U.S. Securities and Exchange Commission (Ref. ID: 0000935596-26-000025), on September 11, 2026, and is solely responsible for the information contained therein.