0000796534 2026-07-23 2026-07-23 false 0000796534 8-K 2026-07-23 National Bankshares, Inc. VA 0-15204 54-1375874 101 Hubbard Street Blacksburg VA 24060 540 951-6300 Not applicable false false false false Common Stock, par value $1.25 per share NKSH NASDAQ false