December 10, 2025 · Form 4 insider transaction
PETRILLO LOUIS T sold 42 shares of Arch Capital Group Ltd. at $0.00 per share, a transaction worth N/A. The trade was recorded as gift and disclosed on an SEC Form 4, filed 1 day after the transaction.
The transaction included a gift of 14 shares by the reporting person to his stepsons, who share the reporting person's household.