Patrick Sean Brennan's Purchase of Selective Insurance Group Inc. Common Stock

On October 24, 2025, Patrick Sean Brennan, EVP and Chief Financial Officer of Selective Insurance Group Inc., purchased 2,700 shares of the company's common stock at a price of $76.1699 per share. Following this transaction, Brennan owns a total of 17,948.2576 shares, including 166.71930 dividend equivalent units. Each dividend equivalent unit represents the economic equivalent of one share of common stock. This transaction was reported in a Form 4 filing with the SEC.