Accelerant Holdings Director Nancy Hasley Sells 35,000 Shares Under Rule 10b5-1 Plan

Nancy Hasley, a director of Accelerant Holdings (ARX), sold 35,000 Class A Common Shares on June 23, 2026, at a weighted average price of $13.1128 per share. The transaction was executed pursuant to a Rule 10b5-1 trading plan adopted on December 8, 2025, and amended on March 24, 2026. Following the sale, Hasley's direct holdings decreased to 1,362,323 shares. The filing also discloses indirect holdings of 512,531 shares held in an irrevocable trust for her children's benefit (over which she exercises investment discretion) and 500 shares held by her spouse. The sales occurred in multiple transactions with prices ranging from $12.89 to $13.28. The filing includes a Power of Attorney granting authority to company legal representatives to file future Section 16 reports on Hasley's behalf.