X0508 4 2026-02-11 0000719402 FIRST NATIONAL CORP /VA/ FXNC 0001208395 Schwartz Brad E 112 W KING ST STRASBURG VA 22657 1 EVP - CFO 0 Restricted Stock Units 2026-02-11 4 A 0 2183 0 A Common Stock 2183 7183 D Each restricted stock unit represents a contingent right to receive one share of FXNC common stock. The restricted stock units vest in three equal installments with one installment, with 728 units vesting on February 15, 2026, 728 units vesting on February 15, 2027, and 727 units vesting on February 15, 2028. /s/ Christopher Suggs by Power of Attorney 2026-02-13