X0609 4 2026-07-01 0001745916 PennyMac Financial Services, Inc. PFSI 0001486334 Hendry Gregory L false C/O PENNYMAC FINANCIAL SERVICES, INC. 3043 TOWNSGATE ROAD WESTLAKE VILLAGE CA 91361 1 MD, Chief Accounting Officer 1 Common Stock 2026-07-01 4 M 0 2177 24.40 A 51145 D Common Stock 2026-07-01 4 S 0 2177 86.89 D 48968 D Nonstatutory Stock Option (Right to Buy) 24.40 2026-07-01 4 M 0 2177 0 D 2019-03-09 2028-03-08 Common Stock 2177 0 D Nonstatutory Stock Option (Right to Buy) 60.74 2024-02-24 2033-02-23 Common Stock 1028 1028 D Nonstatutory Stock Option (Right to Buy) 84.93 2025-03-01 2034-02-28 Common Stock 735 735 D Nonstatutory Stock Option (Right to Buy) 101.76 2026-02-14 2035-02-13 Common Stock 626 626 D Nonstatutory Stock Option (Right to Buy) 91.49 2027-02-12 2036-02-11 Common Stock 798 798 D The sale reported in the Form 4 occurred automatically pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on March 20, 2026. The reported amount consists of 904 restricted stock units and 48,064 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 1,028 shares of Common Stock of the Issuer will vest as to one-third of the optioned shares on each of February 24, 2024, 2025 and 2026, subject to the Reporting Person's continued service through each date. This non-statutory stock option to purchase 735 shares of Common Stock of the Issuer will vest as to one-third of the optioned shares on each of March 1, 2025, 2026 and 2027, subject to the Reporting Person's continued service through that date. This nonstatutory stock option to purchase 626 shares of Common Stock of the Issuer will vest as to one-third of the optioned shares on each of February 14, 2026, 2027 and 2028, subject to the Reporting Person's continued service through each date. This nonstatutory stock option to purchase 798 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 W. Stark, attorney-in-fact for Mr. Hendry 2026-07-02