# Biolargo, Inc.: overview

BLGO · OTC · CIK 880242 · [Materials](/sectors/materials.md) · fiscal year ends Dec 31

Pages: [Overview](/companies/blgo.md) · [Financials](/companies/blgo/financials.md) · [Filings](/companies/blgo/filings.md) · [Insiders](/companies/blgo/insiders.md)

Latest reported revenue: [$1.2m](/filings/0001437749-26-028023.md) for Q2 FY2026, three months to 2026-06-30, from the 10-Q filed Aug 14, 2026 (XBRL us-gaap:RevenueFromContractWithCustomerIncludingAssessedTax, accession 0001437749-26-028023).

## Last eight quarters

| Line item | Unit | Q3 FY2024 (2024-09-30) | Q4 FY2024 (2024-12-31) | Q1 FY2025 (2025-03-31) | Q2 FY2025 (2025-06-30) | Q3 FY2025 (2025-09-30) | Q4 FY2025 (2025-12-31) | Q1 FY2026 (2026-03-31) | Q2 FY2026 (2026-06-30) |
| --- | --- | ---: | ---: | ---: | ---: | ---: | ---: | ---: | ---: |
| Revenue | $k | [4,351](/filings/0001437749-25-035239.md) | [3,657 d](/filings/0001437749-26-006926.md) | [3,269](/filings/0001437749-26-017391.md) | [2,777](/filings/0001437749-26-028023.md) | [1,103](/filings/0001437749-25-035239.md) | [617 d](/filings/0001437749-26-006926.md) | [1,115](/filings/0001437749-26-017391.md) | [1,248](/filings/0001437749-26-028023.md) |
| Gross margin | % | [39.6%](/filings/0001437749-25-035239.md) | [47.9% d](/filings/0001437749-26-006926.md) | [45.5%](/filings/0001437749-26-017391.md) | [51.2%](/filings/0001437749-26-028023.md) | [33.7%](/filings/0001437749-25-035239.md) | [20.7% d](/filings/0001437749-26-006926.md) | [41.1%](/filings/0001437749-26-017391.md) | [54.1%](/filings/0001437749-26-028023.md) |
| Operating margin | % | [(24.4%)](/filings/0001437749-25-035239.md) | [(44.2%) d](/filings/0001437749-26-006926.md) | [(57.0%)](/filings/0001437749-26-017391.md) | [(64.9%)](/filings/0001437749-26-028023.md) | [(651.0%)](/filings/0001437749-25-035239.md) | [(650.1%) d](/filings/0001437749-26-006926.md) | [(287.4%)](/filings/0001437749-26-017391.md) | [(298.7%)](/filings/0001437749-26-028023.md) |
| Net margin | % | [(24.4%)](/filings/0001437749-25-035239.md) | [(47.4%) d](/filings/0001437749-26-006926.md) | [(58.8%)](/filings/0001437749-26-017391.md) | [(67.8%)](/filings/0001437749-26-028023.md) | [(656.8%)](/filings/0001437749-25-035239.md) | [(671.3%) d](/filings/0001437749-26-006926.md) | [(305.4%)](/filings/0001437749-26-017391.md) | [(320.5%)](/filings/0001437749-26-028023.md) |
| Diluted EPS | $ per share | not reported | not reported | not reported | not reported | not reported | not reported | not reported | not reported |
| Free cash flow | $k | not reported | not reported | not reported | not reported | not reported | not reported | not reported | not reported |

- Revenue. XBRL Revenue: us-gaap:RevenueFromContractWithCustomerIncludingAssessedTax. Derived values: 12-month figure less the 9-month figure.
- Gross margin (gross profit / revenue). XBRL Gross profit: us-gaap:GrossProfit; Revenue: us-gaap:RevenueFromContractWithCustomerIncludingAssessedTax. Derived values: 12-month figure less the 9-month figure.
- Operating margin (operating income / revenue). XBRL Operating income: us-gaap:OperatingIncomeLoss; Revenue: us-gaap:RevenueFromContractWithCustomerIncludingAssessedTax. Derived values: 12-month figure less the 9-month figure.
- Net margin (net income / revenue). XBRL Net income: us-gaap:ProfitLoss; Revenue: us-gaap:RevenueFromContractWithCustomerIncludingAssessedTax. Derived values: 12-month figure less the 9-month figure.
- Diluted EPS. XBRL not reported.
- Free cash flow (operating cash flow − capital expenditure). XBRL Operating cash flow: us-gaap:NetCashProvidedByUsedInOperatingActivities. Derived values: 9-month figure less the 6-month figure; 12-month figure less the 9-month figure; 6-month figure less the 3-month figure.

## Last five fiscal years

| Line item | Unit | FY2021 (2021-12-31) | FY2022 (2022-12-31) | FY2023 (2023-12-31) | FY2024 (2024-12-31) | FY2025 (2025-12-31) |
| --- | --- | ---: | ---: | ---: | ---: | ---: |
| Revenue | $m | [2.5](/filings/0001437749-23-008876.md) | [5.9](/filings/0001437749-24-010394.md) | [12.2](/filings/0001437749-24-010394.md) | [17.8](/filings/0001437749-26-006926.md) | [7.8](/filings/0001437749-26-006926.md) |
| Gross margin | % | [43.6%](/filings/0001437749-23-008876.md) | [48.6%](/filings/0001437749-24-010394.md) | [50.3%](/filings/0001437749-25-010172.md) | [44.2%](/filings/0001437749-26-006926.md) | [43.9%](/filings/0001437749-26-006926.md) |
| Operating margin | % | [(267.8%)](/filings/0001437749-23-008876.md) | [(91.6%)](/filings/0001437749-24-010394.md) | [(37.4%)](/filings/0001437749-25-010172.md) | [(24.4%)](/filings/0001437749-26-006926.md) | [(191.3%)](/filings/0001437749-26-006926.md) |
| Net margin | % | [(272.4%)](/filings/0001437749-23-008876.md) | [(87.2%)](/filings/0001437749-24-010394.md) | [(38.0%)](/filings/0001437749-25-010172.md) | [(24.5%)](/filings/0001437749-26-006926.md) | [(195.6%)](/filings/0001437749-26-006926.md) |
| Diluted EPS | $ per share | [(0.03)](/filings/0001437749-22-007726.md) | not reported | not reported | not reported | not reported |
| Free cash flow | $m | not reported | not reported | not reported | not reported | not reported |

- Revenue. XBRL Revenue: us-gaap:RevenueFromContractWithCustomerIncludingAssessedTax; Revenue: us-gaap:Revenues.
- Gross margin (gross profit / revenue). XBRL Gross profit: us-gaap:GrossProfit; Revenue: us-gaap:RevenueFromContractWithCustomerIncludingAssessedTax; Revenue: us-gaap:Revenues.
- Operating margin (operating income / revenue). XBRL Operating income: us-gaap:OperatingIncomeLoss; Revenue: us-gaap:RevenueFromContractWithCustomerIncludingAssessedTax; Revenue: us-gaap:Revenues.
- Net margin (net income / revenue). XBRL Net income: us-gaap:ProfitLoss; Revenue: us-gaap:RevenueFromContractWithCustomerIncludingAssessedTax; Revenue: us-gaap:Revenues.
- Diluted EPS. XBRL Diluted EPS: us-gaap:EarningsPerShareBasicAndDiluted.
- Free cash flow (operating cash flow − capital expenditure). XBRL Operating cash flow: us-gaap:NetCashProvidedByUsedInOperatingActivities.

Each value links to the filing it came from. d marks a derived value. A ratio is not reported when any input is missing.

## Insider purchases and sales

The last 20 open-market transactions on Form 4 (codes P and S). Reported price is as stated on the form, not a market price. [All insider transactions](/companies/blgo/insiders.md)

None in coverage.

## Funds that report holding it

From each manager’s latest Form 13F, largest reported value first. Reported value is as filed: filing data, not a price. [All funds](/funds.md)

| Fund | Quarter ended | Reported value | Shares | Put or call | Change on the quarter before |
| --- | --- | ---: | ---: | --- | --- |
| [FIRST AMERICAN TRUST, FSB](/funds/36066.md) | 2026-06-30 | $13.4k | 117,838 |  | Unchanged |

## Recent filings

[All 884 filings](/companies/blgo/filings.md)

| Filed | Accepted | Form | What it is | Accession |
| --- | --- | --- | --- | --- |
| 2026-10-19 | 10:01 ET | [DEF 14A](/filings/0001437749-26-032868.md) | Proxy statement, period 2026-12-01 | 0001437749-26-032868 |
| 2026-09-14 | 23:42 ET | [8-K/A](/filings/0001437749-26-030198.md) | 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0001437749-26-030198 |
| 2026-09-11 | 14:38 ET | [8-K](/filings/0001437749-26-030124.md) | 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0001437749-26-030124 |
| 2026-08-14 | 20:27 ET | [10-Q](/filings/0001437749-26-028023.md) | Quarterly report, period 2026-06-30 | 0001437749-26-028023 |
| 2026-05-15 | 20:29 ET | [10-Q](/filings/0001437749-26-017391.md) | Quarterly report, period 2026-03-31 | 0001437749-26-017391 |
| 2026-05-06 | 10:02 ET | [8-K](/filings/0001437749-26-014996.md) | 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0001437749-26-014996 |
| 2026-05-04 | 11:30 ET | [8-K](/filings/0001437749-26-014540.md) | 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0001437749-26-014540 |
| 2026-04-30 | 20:02 ET | [10-K/A](/filings/0001437749-26-014184.md) | Annual report, amended, period 2025-12-31 | 0001437749-26-014184 |
| 2026-04-09 | 18:50 ET | [S-1](/filings/0001437749-26-011880.md) | Registration statement | 0001437749-26-011880 |
| 2026-04-09 | 18:35 ET | [S-1](/filings/0001437749-26-011875.md) | Registration statement | 0001437749-26-011875 |

## Latest annual report

[Form 10-K for the fiscal year ended Dec 31, 2025](/filings/0001437749-26-006926.md), filed Mar 4, 2026.

## Forecast league

Q3 FY2026, the quarter ended 2026-09-30, is open for forecasts until the first results filing for it is accepted by EDGAR. Results are due by \[object Promise\]. [Forecast this quarter](/leagues/2026q3/targets/93f0a7d1-80fc-4886-9c37-2510b456508f)

## About the filer

- CIK: 880242
- Tickers: BLGO
- Exchange: OTC
- SIC code: 2800 Chemicals & Allied Products
- State of incorporation: DE
- Filer category: Non-accelerated filer<br>Smaller reporting company

Source: SEC EDGAR, XBRL company facts, the filing index and Forms 4. Last ingested by Listed: Oct 24, 2026, 15:26 ET. No prices; not investment advice.
