SEC Form 4 · accession 0001437749-26-022603
BIOLARGO, INC. · BLGO
Statement of changes in beneficial ownership, as filed. Original on EDGAR ↗
Reporting owner
Dennis E Marshall
Director
Period of report
Jun 30, 2026
Accepted (ET)
Jul 2, 2026 · 6:21 pm EDT
Rule 10b5-1 plan
box not checked
Issuer CIK
0000880242
Table I — non-derivative securities
No Table I lines on this filing.
Table II — derivative securities
| Security | Conv. / exercise price | Date | Code | Shares | A/D | Exercisable | Expires | Underlying | Underlying shares | Owned after | D/I |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Option to Purchase Common StockF1,F2 | $0.1135 | Jun 30, 2026 | A | 198,238 | A | Jun 30, 2026 | Jun 30, 2036 | Common Stock | 198,238 | 5,639,476 | D |
| Option to Purchase Common StockF3 | $0.1135 | Jun 30, 2026 | A | 115,741 | A | Jun 30, 2026 | Jun 30, 2036 | Common Stock | 165,198 | 5,804,674 | D |
Explanation of responses
- F1This Option was granted to Reporting Person to replace an option to purchase 22,500 shares that had been issued to compensate Reporting Person for services to the Issuer and had expired unexercised due to a discrepancy between the original exercise price and Issuer's current stock price, pursuant to plan adopted by the Issuer's Compensation Committee.
- F2Total reflects the expiration of options to purchase 22,500 shares that expired June 30, 2026.
- F3This Option was issued to Reporting Person as payment for $18,750 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. The number of shares in the Option is equal to the amount of fees due divided by the exercise price of the Option.