Accelerant Holdings Co-Founder Francis James O'Neill Sells 147,000 Shares via Rule 10b5-1 Plan

Francis James O'Neill, Co-Founder and Chief Underwriting Officer of Accelerant Holdings (ARX), sold 147,000 Class A Common Shares through a pre-arranged Rule 10b5-1 trading plan. The sales occurred on June 25-26, 2026, with 73,500 shares sold each day at weighted average prices of $13.0582 and $13.1823 respectively. Following these transactions, O'Neill's indirect holdings through Famed Ventures Limited decreased to 6,903,125 shares, while his direct holdings remained at 166,644 shares. The sales were executed pursuant to a Rule 10b5-1 plan adopted on March 23, 2026, which allows insiders to establish predetermined trading plans to avoid allegations of trading on material non-public information. The filing includes detailed price ranges for the transactions and standard SEC disclosures about providing additional transaction details upon request.