JACK B. STROMMEN - 31 Dec 2025 Form 4 Insider Report for BIOLARGO, INC. (BLGO)

Role
Director
Signature
/s/ John R. Browning, attorney-in-fact
Issuer symbol
BLGO
Transactions as of
31 Dec 2025
Net transactions value
$0
Form type
4
Filing time
05 Jan 2026, 16:43:36 UTC
Previous filing
02 Oct 2025
SEC
View on sec.gov

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
STROMMEN JACK B. Director 7108 31ST AVENUE NORTH, MINNEAPOLIS /s/ John R. Browning, attorney-in-fact 05 Jan 2026 0001663146

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Underlying Class Amount Exercise Price Ownership Footnotes
transaction BLGO Option to Purchase Common Stock Award +81,389 +3.6% 2,359,510 31 Dec 2025 Common Stock 81,389 $0.1843 Direct F1
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 This Option was issued to Reporting Person as payment for $15,000 in fees due to Reporting Person by Issuer in exchange for services on its board of directors for the most recently completed quarterly period, pursuant to the Issuer's 2024 Equity Incentive Plan.