X0508 4 2026-02-12 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 2026-02-12 4 A 0 3142 0 A 23763 D Nonstatutory Stock Option (Right to Buy) 91.49 2026-02-12 4 A 0 7981 0 A 2027-02-12 2036-02-11 Common Stock 7981 7981 D The Reporting Person was granted restricted stock units, which will vest in three equal installments beginning on the first anniversary of the date of grant, are to be settled in an equal number of shares of Common Stock upon vesting. The reported amount consists of 8,763 restricted stock units and 15,000 shares of Common Stock. The restricted stock units are to be settled in an equal number of shares of Common Stock upon vesting. This nonstatutory stock option to purchase 7,981 shares of Common Stock of the Issuer will vest as to one-third of the optioned shares on each of February 12, 2027, 2028 and 2029, subject to the Reporting Person's continued service through each date. /s/ Derek Stark 2026-02-17