X0508 4 2026-03-06 0000787253 NATURAL ALTERNATIVES INTERNATIONAL INC NAII 0001115556 LEDOUX MARK A 1535 FARADAY AVENUE CARLSBAD CA 92008 1 1 1 CEO/Chairman 0 Common Stock 2026-03-06 4 F 0 3484 2.73 D 156737 D Common Stock 2026-03-06 4 A 0 20000 0 A 176737 D Common Stock 481905 I By LeDoux Family Limited Partnership Common Stock 69416 I By IRA Common Stock 7200 I By Self as Custodian for Marcelle Jeannette LeDoux Common Stock 800 I By Self as Custodian for Jean-Marc Emile LeDoux Common Stock 7500 I By Self as Custodian for Aimee LeDoux This transaction represents a resale of 3,484 shares to the Issuer as payment of the reporting person's tax liability upon vesting of 10,667 shares of restricted stock on March 7, 2026, using the closing stock price on March 6, 2026, of $2.73 per share. This transaction represents a grant of restricted stock to the Officer pursuant to the Issuer's 2020 Omnibus Incentive Plan. One third (6,667 shares) of the restricted stock vests on March 7, 2027; one third (6,667 shares) of the restricted stock vests on March 7, 2028, and the final third (6,666 shares) of the restricted stock vests on March 7, 2029. /s/ By Kenneth E. Wolf Attorney in Fact 2026-03-10