Accelerant Holdings CEO Jeffrey Radke Sells 80,000 Shares Under 10b5-1 Plan

This Form 4 filing reports that Jeffrey L. Radke, Co-Founder and CEO of Accelerant Holdings (ARX), sold 80,000 Class A Common Shares on June 23, 2026, at a weighted average price of $13.1076 per share. The sales were executed pursuant to a Rule 10b5-1 trading plan adopted on March 24, 2026, with transactions occurring at prices ranging from $12.95 to $13.28. Following the transaction, Radke's direct and indirect holdings include 28,181,939 shares held through Badly Bent LLC (where he serves as manager), 333,652 shares held directly, and 249,951 shares held in trust for his spousal equivalent. The filing includes a power of attorney authorizing company legal representatives to file SEC reports on Radke's behalf.