Form 4 Filing for Linda Park

Linda Park, a director at BIOLARGO, INC., acquired 234,375 shares of common stock through an option to purchase. The option was granted as payment for $18,750 in fees for services rendered on the board of directors. The exercise price for the option is $0.08 per share. Following this transaction, Park holds a total of 1,781,075 shares. The transaction date was September 30, 2026.