BLGO
Biolargo, Inc.
Going-concern doubt
— flagged May 15, 2026
Substantial doubt about the company's ability to continue as a going concern.
“The foregoing factors raise substantial doubt about our ability to continue as a going concern, unless we are able to increase revenues, generate cash from operations, and/or generate cash from financing activities.”View the 10-Q filed May 15, 2026
Company with tickers: BLGO
CIK
880242
CUSIP
09065A100
Shares Outstanding
320,883,262
Website
https://www.biolargo.com
Investor Relations
https://www.biolargo.com/investor-relations
Weekly off-exchange (dark pool / OTC) trading volume reported to FINRA under its OTC/ATS Transparency data. ATS volume is executed on alternating trading systems (dark pools); non-ATS OTC is other over-the-counter dealer volume. The off-exchange share is total off-exchange volume as a percentage of consolidated weekly trading volume for the same Monday–Friday week.
Off-Exchange Volume History
| Week Start | ATS Volume | Non-ATS OTC Volume | Total Off-Exchange | % of FINRA Weekly Volume |
|---|---|---|---|---|
| 2026-05-04 | 135,700 | 1,224,779 | 1,360,479 | 100.0% |
| 2026-04-27 | 98,287 | 1,020,331 | 1,118,618 | 100.0% |
| 2026-04-20 | 16,488 | 1,154,499 | 1,170,987 | 100.0% |
| 2026-04-13 | 48,248 | 948,306 | 996,554 | 100.0% |
| 2026-04-06 | 30,906 | 1,469,061 | 1,499,967 | 100.0% |
| 2026-03-30 | 15,206 | 1,354,368 | 1,369,574 | 100.0% |
| 2026-03-23 | 55,527 | 728,369 | 783,896 | 100.0% |
| 2026-03-16 | 24,244 | 465,785 | 490,029 | 100.0% |
| 2026-03-09 | 5,300 | 456,798 | 462,098 | 100.0% |
| 2026-03-02 | 17,135 | 789,627 | 806,762 | 100.0% |
| 2026-02-23 | 21,877 | 1,062,500 | 1,084,377 | 100.0% |
| 2026-02-16 | 15,000 | 1,228,813 | 1,243,813 | 100.0% |
| 2026-02-09 | 109,102 | 1,621,286 | 1,730,388 | 100.0% |
| 2026-02-02 | 204,750 | 1,268,268 | 1,473,018 | 100.0% |
| 2026-01-26 | 130,446 | 1,794,450 | 1,924,896 | 100.0% |
| 2026-01-19 | 88,690 | 1,093,329 | 1,182,019 | 100.0% |
| 2026-01-12 | 45,457 | 1,929,723 | 1,975,180 | 100.0% |
| 2026-01-05 | 125,790 | 1,300,553 | 1,426,343 | 100.0% |
| 2025-12-29 | 71,537 | 846,655 | 918,192 | 100.0% |
| 2025-12-22 | 110,247 | 1,152,520 | 1,262,767 | 100.0% |
| 2025-12-15 | 30,000 | 2,103,783 | 2,133,783 | 100.0% |
| 2025-12-08 | 50,445 | 1,568,203 | 1,618,648 | 100.0% |
| 2025-12-01 | 6,000 | 1,463,381 | 1,469,381 | 100.0% |
| 2025-11-24 | 49,800 | 2,438,955 | 2,488,755 | 100.0% |
| 2025-11-17 | 25,000 | 3,808,671 | 3,833,671 | 100.0% |
| 2025-11-10 | 32,250 | 1,545,047 | 1,577,297 | 100.0% |
| 2025-11-03 | 6,724 | 2,111,280 | 2,118,004 | 100.0% |
| 2025-10-27 | 4,986 | 1,799,501 | 1,804,487 | 100.0% |
| 2025-10-20 | 71,118 | 2,377,132 | 2,448,250 | 100.0% |
| 2025-10-13 | 130,200 | 2,267,848 | 2,398,048 | 100.0% |
| 2025-10-06 | 143,100 | 3,781,125 | 3,924,225 | 100.0% |
| 2025-09-29 | 307 | 1,725,592 | 1,725,899 | 100.0% |
| 2025-09-22 | 174,688 | 5,047,385 | 5,222,073 | 100.0% |
| 2025-09-15 | 62,800 | 2,451,039 | 2,513,839 | 100.0% |
| 2025-09-08 | 81,200 | 1,235,041 | 1,316,241 | 100.0% |
| 2025-09-01 | 14,552 | 1,503,990 | 1,518,542 | 100.0% |
| 2025-08-25 | 35,430 | 1,829,290 | 1,864,720 | 100.0% |
| 2025-08-18 | 34,302 | 1,912,501 | 1,946,803 | 100.0% |
| 2025-08-11 | 80,000 | 1,540,735 | 1,620,735 | 100.0% |
| 2025-08-04 | 0 | 1,310,657 | 1,310,657 | 100.0% |
| 2025-07-28 | 5,555 | 1,900,024 | 1,905,579 | 100.0% |
| 2025-07-21 | 103,000 | 2,855,457 | 2,958,457 | 100.0% |
| 2025-07-14 | 30,000 | 2,096,649 | 2,126,649 | 100.0% |
| 2025-07-07 | 62,700 | 1,364,407 | 1,427,107 | 100.0% |
| 2025-06-30 | 67,000 | 1,502,994 | 1,569,994 | 100.0% |
| 2025-06-23 | 50,000 | 1,865,670 | 1,915,670 | 100.0% |
Showing 1–46 of 46 weeks