Form 4 Filing for BIOLARGO, INC.

This filing details a Form 4 for BIOLARGO, INC. (BLGO) reporting owner STROMMEN JACK B. (CIK: 0001663146). On June 30, 2026, STROMMEN JACK B., a director, acquired an option to purchase 132,159 shares of Common Stock at a price of $0.0 per share. This option was granted as compensation for $15,000 in board service fees, with the number of shares determined by the fees due and the exercise price. Following this transaction, STROMMEN JACK B. holds 2,584,262 shares. The filing also includes a Limited Power of Attorney, appointing John R. Browning to handle Section 16 reporting obligations for STROMMEN JACK B. regarding Company securities.