X0508 4 2026-03-06 0000787253 NATURAL ALTERNATIVES INTERNATIONAL INC NAII 0001654846 Fortin Michael E 1535 FARADAY AVENUE CARLSBAD CA 92008 1 Chief Financial Officer 0 Common Stock 2026-03-06 4 F 0 4308 2.73 D 46554 D Common Stock 2026-03-06 4 A 0 12000 0 A 58554 D Common Stock 185 I By IRA This transaction represents a resale of 4,308 shares to the Issuer as payment of the reporting person's tax liability upon vesting of 7,666 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 (4,000 shares) of the restricted stock vests on March 7, 2027; one third (4,000 shares) of the restricted stock vests on March 7, 2028, and the final third (4,000 shares) of the restricted stock vests on March 7, 2029. /s/ Michael E. Fortin 2026-03-10