X0508 4 2025-07-25 0001745916 PennyMac Financial Services, Inc. PFSI 0001198631 STARK DEREK C/O PENNYMAC FINANCIAL SERVICES, INC. 3043 TOWNSGATE ROAD WESTLAKE VILLAGE CA 91361 1 Chief Legal Officer 0 Common Stock 2025-07-25 4 G 0 250 0 D 25371 D Represents a bona fide gift of shares to a family member. The reported amount consists of 5,621 restricted stock units and 19,750 shares of Common Stock. The restricted stock units are to be settled in an equal number of shares of Common Stock upon vesting. /s/ Derek Stark 2025-07-28