X0508 4 2026-02-24 0001168455 PLUMAS BANCORP PLBC 0001786616 O'Gara Heidi S 4265 MEADOWGATE TRAIL RENO NV 89519 1 0 Common Stock 2026-02-24 4 M 0 3200 21.45 A 5375 I Family Trust Common Stock 2026-02-24 4 M 0 400 31 A 5775 I Family Trust Common Stock 3060 I IRA Non-qualified stock option (right to buy) 21.45 2026-02-24 4 M 0 3200 0 D 2027-10-21 Common stock 3200 0 D Non-qualified stock option (right to buy) 31 2026-02-24 4 M 0 400 0 D 2030-08-16 Comon stock 400 2800 D Exercisable in four (4) equal annual installments beginning October 21, 2020. Exercisable in four (4) equal annual installments beginning August 16, 2023. /s/ Heidi S. O'Gara 2026-02-24