• Donegal Group 10% owner Donegal Mutual Insurance bought 20,000 Class A common shares in open-market purchases.
• Average purchase price about $18.56 per share.
• Class A stake rose to 14.17 million shares.
• Class B holdings stood at 4.75 million 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: 0000935596-26-000017), on August 19, 2026, and is solely responsible for the information contained therein.