SEC Form 4 · accession 0001437749-26-021600
BIOLARGO, INC. · BLGO
Statement of changes in beneficial ownership, as filed. Original on EDGAR ↗
Reporting owner
Dennis E Marshall
Director
Period of report
Jun 22, 2026
Accepted (ET)
Jun 24, 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 | $0.11 | Jun 22, 2026 | A | 40,909 | A | Jun 22, 2026 | Jun 22, 2036 | Common Stock | 40,909 | 5,463,738 | D |
Explanation of responses
- F1This Option was granted to Reporting Person to replace an option to purchase 10,000 shares that had been issued to compensate Reporting Person for services on the board of directors 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 10,000 shares that expired June 20, 2026.