BIOLARGO, INC. (BLGO) Historical Stock Prices
BIOLARGO, INC. (BLGO) is a publicly traded company on the OTC, categorized under SIC 2800 (Chemicals & Allied Products). Access real-time SEC filings, 10-K annual reports, 10-Q quarterlies, 8-K current reports, PCAOB auditor history, and executive compensation disclosures.
Ticker: BLGO
CIK: 880242
Exchange: OTC
SIC 2800: Chemicals & Allied Products
Fiscal Year End: 12/31
State: DE
Independent PCAOB Auditor
Explore PCAOB Audit Intelligence →
Audit Firm
Hacker, Johnson & Smith PA
Auditor SinceSince 12/31/2023 12:00:00 AM
Lead Engagement PartnerDavid Ajvazi
Audit LocationTampa, Florida, United States
Latest SEC EDGAR Filings
Showing 10-K, 10-Q, 8-K, Form 4, and other SEC submissions| Form | Filing Date | Reporting Period | Description | Accession Number | Actions |
|---|---|---|---|---|---|
| 4 | 2026-10-02 | 2026-09-30 | FORM 4 | 0001437749-26-031944 | View SEC Doc Filr Page |
| 4 | 2026-10-02 | 2026-09-30 | FORM 4 | 0001437749-26-031943 | View SEC Doc Filr Page |
| 4 | 2026-10-02 | 2026-09-30 | FORM 4 | 0001437749-26-031933 | View SEC Doc Filr Page |
| 4 | 2026-10-02 | 2026-09-30 | FORM 4 | 0001437749-26-031931 | View SEC Doc Filr Page |
| 4 | 2026-10-02 | 2026-09-30 | FORM 4 | 0001437749-26-031930 | View SEC Doc Filr Page |
| 4 | 2026-10-02 | 2026-09-30 | FORM 4 | 0001437749-26-031926 | View SEC Doc Filr Page |
| 8-K/A | 2026-09-14 | 2026-09-10 | FORM 8-K/A | 0001437749-26-030198 | View SEC Doc Filr Page |
| 8-K | 2026-09-11 | 2026-09-10 | FORM 8-K | 0001437749-26-030124 | View SEC Doc Filr Page |
| 10-Q | 2026-08-14 | 2026-06-30 | FORM 10-Q | 0001437749-26-028023 | View SEC Doc Filr Page |
| 4 | 2026-07-07 | 2026-07-07 | FORM 4 | 0001437749-26-022951 | View SEC Doc Filr Page |
| 4 | 2026-07-02 | 2026-06-30 | FORM 4 | 0001437749-26-022659 | View SEC Doc Filr Page |
| 4 | 2026-07-02 | 2026-06-30 | FORM 4 | 0001437749-26-022633 | View SEC Doc Filr Page |
| 4 | 2026-07-02 | 2026-06-30 | FORM 4 | 0001437749-26-022614 | View SEC Doc Filr Page |
| 4 | 2026-07-02 | 2026-06-30 | FORM 4 | 0001437749-26-022606 | View SEC Doc Filr Page |
| 4 | 2026-07-02 | 2026-06-30 | FORM 4 | 0001437749-26-022603 | View SEC Doc Filr Page |
| 4 | 2026-06-24 | 2026-06-22 | FORM 4 | 0001437749-26-021600 | View SEC Doc Filr Page |
| 10-Q | 2026-05-15 | 2026-03-31 | FORM 10-Q | 0001437749-26-017391 | View SEC Doc Filr Page |
| 8-K | 2026-05-06 | 2026-05-05 | FORM 8-K | 0001437749-26-014996 | View SEC Doc Filr Page |
| 8-K | 2026-05-04 | 2026-05-04 | FORM 8-K | 0001437749-26-014540 | View SEC Doc Filr Page |
| 10-K/A | 2026-04-30 | 2025-12-31 | FORM 10-K/A | 0001437749-26-014184 | View SEC Doc Filr Page |
| 424B4 | 2026-04-17 | — | FORM 424B4 | 0001437749-26-012700 | View SEC Doc Filr Page |
| 424B4 | 2026-04-17 | — | FORM 424B4 | 0001437749-26-012699 | View SEC Doc Filr Page |
| EFFECT | 2026-04-15 | — | EFFECT Filing | 9999999995-26-001205 | View SEC Doc Filr Page |
| EFFECT | 2026-04-15 | — | EFFECT Filing | 9999999995-26-001204 | View SEC Doc Filr Page |
| CORRESP | 2026-04-13 | — | CORRESP Filing | 0001437749-26-012155 | View SEC Doc Filr Page |