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Ownership Document
|
| Schema Version: X0508 |
| Document Type: 4 |
| Period of Report: 3/31/24 |
| Issuer: |
| Issuer CIK: 880242 |
| Issuer Name: BIOLARGO, INC. |
| Issuer Trading Symbol: BLGO |
| Reporting Owner: |
| Reporting Owner ID: |
| | Owner CIK: 1663146 |
| | Owner Name: STROMMEN JACK B. |
| Reporting Owner Address: |
| | Owner Street 1: 7108 31ST AVENUE NORTH |
| | Owner Street 2: |
| | Owner City: MINNEAPOLIS |
| | Owner State: MN |
| | Owner ZIP Code: 55427 |
| | Owner State Description: |
| Reporting Owner Relationship: |
| | Is Director? Yes |
| Aff 10b5 One: 0 |
| Derivative Table: |
| Derivative Transaction: |
| | Security Title: |
| | | Value: Option to Purchase Common Stock |
| | Conversion or Exercise Price: |
| | | Value: 0.35 |
| | Transaction Date: |
| | | Value: 3/31/24 |
| | Transaction Coding: |
| | | Transaction Form Type: 4 |
| | | Transaction Code: A |
| | | Equity Swap Involved? No |
| | Transaction Amounts: |
| | | Transaction Shares: |
| Value: 42,857 |
| | | Transaction Price Per Share: |
| Footnote ID: F1 |
| | | Transaction Acquired-Disposed Code: |
| Value: A |
| | Exercise Date: |
| | | Value: 3/31/24 |
| | Expiration Date: |
| | | Value: 3/31/34 |
| | Underlying Security: |
| | | Underlying Security Title: |
| Value: Common Stock |
| | | Underlying Security Shares: |
| Value: 42,857 |
| | Post-Transaction Amounts: |
| | | Shares Owned Following Transaction: |
| Value: 1,858,327 |
| | Ownership Nature: |
| | | Direct or Indirect Ownership: |
| Value: D |
| Footnotes: |
| Footnote - 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 2018 Equity Incentive Plan. |
| Owner Signature: |
| Signature Name: /s/ John R. Browning, attorney-in-fact |
| Signature Date: 4/2/24 |
