IPO registrations (S-1, F-1) · Registrants
BIOLARGO, INC.
- SEC CIK
- 880242 · filings on EDGAR ↗
- Former names
- NUWAY MEDICAL INC (2003–2007); NUWAY ENERGY INC (2001–2003); LATIN AMERICAN CASINOS INC (1996–2001)
- Registration
- Form S-1, first filed 2017-01-25, last 2026-04-09; 11 initial registrations, 10 amendments
- Outcome
- Final prospectus filed 2017-06-15; declared effective 2017-06-15; withdrawal requested 2024-04-05
- Industry (SIC)
- Chemicals & Allied Products 2800
- Incorporated in
- DE
- Business address
- 14921 CHESTNUT ST., Westminster, CA 92683
- EIN
- 65-0159115
- Ticker
- BLGO (OTC)
- EDGAR entity type
- operating
- Insiders and CEO pay
- BIOLARGO, INC. on the corporate pages
On this site
- Business registration: NUWAY ENERGY, INC. EXACT (EIN (EXACT, as the state registration reports it))
- Business registration: REPOSSESSION AUCTION, INC. EXACT (EIN (EXACT, as the state registration reports it))
- Form 5500 plan sponsor: BIOLARGO, INC. EXACT (EIN (EXACT))
- Federal award recipient: BIOLARGO, INC. Fuzzy (name and state)
- Form D issuer: BIOLARGO, INC. EXACT (CIK (EXACT))
- Lobbying client: BIOLARGO, INC Fuzzy (name and state)
- SEC filer: BIOLARGO, INC. EXACT (CIK (EXACT))
Filings 84
| Filed | Form | What it is | Name as filed | EDGAR |
|---|---|---|---|---|
| 2017-01-25 | S-1 | S-1 (registration) | BIOLARGO, INC. | 0001437749-17-001105 ↗ |
| 2017-03-30 | S-1/A | S-1/A (amendment) | BIOLARGO, INC. | 0001437749-17-005640 ↗ |
| 2017-05-01 | S-1/A | S-1/A (amendment) | BIOLARGO, INC. | 0001437749-17-007648 ↗ |
| 2017-05-23 | S-1/A | S-1/A (amendment) | BIOLARGO, INC. | 0001437749-17-009928 ↗ |
| 2017-06-05 | S-1/A | S-1/A (amendment) | BIOLARGO, INC. | 0001437749-17-010648 ↗ |
| 2017-06-09 | S-1/A | S-1/A (amendment) | BIOLARGO, INC. | 0001437749-17-011081 ↗ |
| 2017-06-15 | 424B4 | 424B4 (final prospectus) | BIOLARGO, INC. | 0001437749-17-011341 ↗ |
| 2017-06-15 | EFFECT | EFFECT (declared effective) | BIOLARGO, INC. | 9999999995-17-001538 ↗ |
| 2017-09-15 | S-1 | S-1 (registration) | BIOLARGO, INC. | 0001437749-17-015985 ↗ |
| 2017-09-22 | 424B4 | 424B4 (final prospectus) | BIOLARGO, INC. | 0001437749-17-016260 ↗ |
| 2017-09-22 | EFFECT | EFFECT (declared effective) | BIOLARGO, INC. | 9999999995-17-002443 ↗ |
| 2018-01-17 | S-1 | S-1 (registration) | BIOLARGO, INC. | 0001437749-18-000693 ↗ |
| 2018-02-07 | S-1/A | S-1/A (amendment) | BIOLARGO, INC. | 0001437749-18-001916 ↗ |
| 2018-02-08 | S-1/A | S-1/A (amendment) | BIOLARGO, INC. | 0001437749-18-002055 ↗ |
| 2018-02-08 | EFFECT | EFFECT (declared effective) | BIOLARGO, INC. | 9999999995-18-000377 ↗ |
| 2018-02-09 | 424B4 | 424B4 (final prospectus) | BIOLARGO, INC. | 0001437749-18-002147 ↗ |
| 2018-06-29 | EFFECT | EFFECT (declared effective) | BIOLARGO, INC. | 9999999995-18-001665 ↗ |
| 2018-08-28 | 424B4 | 424B4 (final prospectus) | BIOLARGO, INC. | 0001437749-18-016218 ↗ |
| 2018-09-06 | EFFECT | EFFECT (declared effective) | BIOLARGO, INC. | 9999999995-18-002284 ↗ |
| 2018-09-06 | EFFECT | EFFECT (declared effective) | BIOLARGO, INC. | 9999999995-18-002286 ↗ |
| 2018-09-10 | 424B4 | 424B4 (final prospectus) | BIOLARGO, INC. | 0001437749-18-016819 ↗ |
| 2018-09-10 | 424B4 | 424B4 (final prospectus) | BIOLARGO, INC. | 0001437749-18-016823 ↗ |
| 2018-11-06 | S-1 | S-1 (registration) | BIOLARGO, INC. | 0001437749-18-019698 ↗ |
| 2019-01-28 | S-1/A | S-1/A (amendment) | BIOLARGO, INC. | 0001437749-19-001440 ↗ |
| 2019-05-20 | EFFECT | EFFECT (declared effective) | BIOLARGO, INC. | 9999999995-19-001151 ↗ |
| 2019-05-23 | 424B4 | 424B4 (final prospectus) | BIOLARGO, INC. | 0001437749-19-010763 ↗ |
| 2019-08-29 | S-1 | S-1 (registration) | BIOLARGO, INC. | 0001437749-19-017652 ↗ |
| 2019-09-11 | EFFECT | EFFECT (declared effective) | BIOLARGO, INC. | 9999999995-19-002058 ↗ |
| 2019-09-13 | 424B4 | 424B4 (final prospectus) | BIOLARGO, INC. | 0001437749-19-018339 ↗ |
| 2019-09-17 | S-1/A | S-1/A (amendment) | BIOLARGO, INC. | 0001437749-19-018540 ↗ |
| 2019-09-20 | 424B4 | 424B4 (final prospectus) | BIOLARGO, INC. | 0001437749-19-018822 ↗ |
| 2019-09-20 | EFFECT | EFFECT (declared effective) | BIOLARGO, INC. | 9999999995-19-002141 ↗ |
| 2019-09-30 | EFFECT | EFFECT (declared effective) | BIOLARGO, INC. | 9999999995-19-002203 ↗ |
| 2019-10-02 | 424B4 | 424B4 (final prospectus) | BIOLARGO, INC. | 0001437749-19-019399 ↗ |
| 2020-04-10 | S-1 | S-1 (registration) | BIOLARGO, INC. | 0001437749-20-007511 ↗ |
| 2020-04-21 | 424B4 | 424B4 (final prospectus) | BIOLARGO, INC. | 0001437749-20-008126 ↗ |
| 2020-04-21 | EFFECT | EFFECT (declared effective) | BIOLARGO, INC. | 9999999995-20-000812 ↗ |
| 2020-04-28 | EFFECT | EFFECT (declared effective) | BIOLARGO, INC. | 9999999995-20-000889 ↗ |
| 2020-04-28 | EFFECT | EFFECT (declared effective) | BIOLARGO, INC. | 9999999995-20-000891 ↗ |
| 2020-04-28 | EFFECT | EFFECT (declared effective) | BIOLARGO, INC. | 9999999995-20-000895 ↗ |
| 2020-04-30 | 424B4 | 424B4 (final prospectus) | BIOLARGO, INC. | 0001437749-20-008994 ↗ |
| 2020-04-30 | 424B4 | 424B4 (final prospectus) | BIOLARGO, INC. | 0001437749-20-009009 ↗ |
| 2020-04-30 | 424B4 | 424B4 (final prospectus) | BIOLARGO, INC. | 0001437749-20-009010 ↗ |
| 2021-04-08 | EFFECT | EFFECT (declared effective) | BIOLARGO, INC. | 9999999995-21-001338 ↗ |
| 2021-04-08 | EFFECT | EFFECT (declared effective) | BIOLARGO, INC. | 9999999995-21-001340 ↗ |
| 2021-04-08 | EFFECT | EFFECT (declared effective) | BIOLARGO, INC. | 9999999995-21-001345 ↗ |
| 2021-04-08 | EFFECT | EFFECT (declared effective) | BIOLARGO, INC. | 9999999995-21-001348 ↗ |
| 2021-04-12 | 424B4 | 424B4 (final prospectus) | BIOLARGO, INC. | 0001437749-21-008739 ↗ |
| 2021-04-12 | 424B4 | 424B4 (final prospectus) | BIOLARGO, INC. | 0001437749-21-008740 ↗ |
| 2021-04-12 | 424B4 | 424B4 (final prospectus) | BIOLARGO, INC. | 0001437749-21-008741 ↗ |
| 2021-04-13 | 424B4 | 424B4 (final prospectus) | BIOLARGO, INC. | 0001437749-21-008754 ↗ |
| 2022-04-19 | EFFECT | EFFECT (declared effective) | BIOLARGO, INC. | 9999999995-22-001011 ↗ |
| 2022-04-19 | EFFECT | EFFECT (declared effective) | BIOLARGO, INC. | 9999999995-22-001012 ↗ |
| 2022-04-19 | EFFECT | EFFECT (declared effective) | BIOLARGO, INC. | 9999999995-22-001014 ↗ |
| 2022-04-22 | 424B4 | 424B4 (final prospectus) | BIOLARGO, INC. | 0001437749-22-009505 ↗ |
| 2022-04-22 | 424B4 | 424B4 (final prospectus) | BIOLARGO, INC. | 0001437749-22-009506 ↗ |
| 2022-04-22 | 424B4 | 424B4 (final prospectus) | BIOLARGO, INC. | 0001437749-22-009507 ↗ |
| 2022-12-23 | S-1 | S-1 (registration) | BIOLARGO, INC. | 0001437749-22-029630 ↗ |
| 2023-01-11 | S-1/A | S-1/A (amendment) | BIOLARGO, INC. | 0001437749-23-000860 ↗ |
| 2023-01-19 | EFFECT | EFFECT (declared effective) | BIOLARGO, INC. | 9999999995-23-000138 ↗ |
| 2023-01-26 | 424B4 | 424B4 (final prospectus) | BIOLARGO, INC. | 0001437749-23-001854 ↗ |
| 2023-04-19 | EFFECT | EFFECT (declared effective) | BIOLARGO, INC. | 9999999995-23-000978 ↗ |
| 2023-04-24 | 424B4 | 424B4 (final prospectus) | BIOLARGO, INC. | 0001437749-23-010910 ↗ |
| 2023-04-27 | S-1 | S-1 (registration) | BIOLARGO, INC. | 0001437749-23-011209 ↗ |
| 2023-05-10 | EFFECT | EFFECT (declared effective) | BIOLARGO, INC. | 9999999995-23-001357 ↗ |
| 2023-05-23 | 424B4 | 424B4 (final prospectus) | BIOLARGO, INC. | 0001437749-23-015607 ↗ |
| 2024-04-05 | RW | RW (withdrawal request) | BIOLARGO, INC. | 0001437749-24-011141 ↗ |
| 2024-04-12 | S-1 | S-1 (registration) | BIOLARGO, INC. | 0001437749-24-011927 ↗ |
| 2024-04-23 | EFFECT | EFFECT (declared effective) | BIOLARGO, INC. | 9999999995-24-001072 ↗ |
| 2024-04-23 | EFFECT | EFFECT (declared effective) | BIOLARGO, INC. | 9999999995-24-001074 ↗ |
| 2024-04-23 | EFFECT | EFFECT (declared effective) | BIOLARGO, INC. | 9999999995-24-001088 ↗ |
| 2024-04-25 | 424B4 | 424B4 (final prospectus) | BIOLARGO, INC. | 0001437749-24-013162 ↗ |
| 2024-04-25 | 424B4 | 424B4 (final prospectus) | BIOLARGO, INC. | 0001437749-24-013163 ↗ |
| 2024-04-25 | 424B4 | 424B4 (final prospectus) | BIOLARGO, INC. | 0001437749-24-013164 ↗ |
| 2025-04-24 | EFFECT | EFFECT (declared effective) | BIOLARGO, INC. | 9999999995-25-001220 ↗ |
| 2025-04-25 | 424B4 | 424B4 (final prospectus) | BIOLARGO, INC. | 0001437749-25-013152 ↗ |
| 2025-06-09 | EFFECT | EFFECT (declared effective) | BIOLARGO, INC. | 9999999995-25-001867 ↗ |
| 2025-06-11 | 424B4 | 424B4 (final prospectus) | BIOLARGO, INC. | 0001437749-25-020012 ↗ |
| 2026-04-09 | S-1 | S-1 (registration) | BIOLARGO, INC. | 0001437749-26-011875 ↗ |
| 2026-04-09 | S-1 | S-1 (registration) | BIOLARGO, INC. | 0001437749-26-011880 ↗ |
| 2026-04-15 | EFFECT | EFFECT (declared effective) | BIOLARGO, INC. | 9999999995-26-001204 ↗ |
| 2026-04-15 | EFFECT | EFFECT (declared effective) | BIOLARGO, INC. | 9999999995-26-001205 ↗ |
| 2026-04-17 | 424B4 | 424B4 (final prospectus) | BIOLARGO, INC. | 0001437749-26-012699 ↗ |
| 2026-04-17 | 424B4 | 424B4 (final prospectus) | BIOLARGO, INC. | 0001437749-26-012700 ↗ |
Officers, directors and large holders Forms 3, 4 and 5
| Insider | Role | Title | Filings | Years | On this site |
|---|---|---|---|---|---|
| Marshall Dennis | Director | 83 | 2006–2026 | ||
| CODE KENNETH REAY | Director,Officer; Director,Officer,TenPercentOwner; Officer,TenPercentOwner; TenPercentOwner | CHEIF SCIENCE OFFICER; Chief Science Officer; CHIEF SCIENCE OFFICER; Chief Technology Officer; CHIEF TECHNOLOGY OFFICER | 50 | 2006–2026 | |
| CALVERT DENNIS P | Director,Officer; Director,OfficerOther; Director,Officer,TenPercentOwner | Chief Executive Officer; President; PRESIDENT; President and C.E.O.; President and CEO; PRESIDENT AND C.E.O.; PRESIDENT AND CEO; President and Chief Executive; PRESIDENT AND CHIEF EXECUTIVE; President & CEO; President, CEO, Chairman; PRESIDENT, CEO, CHAIRMAN | 54 | 2007–2026 | |
| COX GARY ADRIAN | Director | 36 | 2007–2017 | ||
| PROVENZANO JOSEPH L | Director,Officer; Officer | Corporate Secretary; Secretary; SECRETARY; Secretary and V.P. Operations; V.P. Operations | 25 | 2007–2022 | |
| New Millennium Capital Partners, LLC | Other; TenPercentOwner | 8 | 2007–2010 | ||
| IOWC Technologies, Inc. | TenPercentOwner | Chief Technology Officer | 1 | 2007 | |
| DARGAN CHARLES K | Officer | Cheif Financial Officer; Chief Financial Officer; CHIEF FINANCIAL OFFICER | 61 | 2008–2026 | |
| Roberts Kent Charles II | Director | 55 | 2011–2022 | ||
| Runyan John S. | Director | 50 | 2012–2022 | ||
| STROMMEN JACK B. | Director | 45 | 2017–2026 | ||
| Bray Christina Elaine | Director | 15 | 2022–2026 | ||
| Park Linda | Director | 15 | 2022–2026 |
Everyone who filed an insider report for this company, from the SEC’s Insider Transactions Data Sets (2006 on). Person pages are matched by name and state only.
Private offerings before or after (Form D)
| First filed | Issuer | Industry | Offering | Sold | Investors | Filings |
|---|---|---|---|---|---|---|
| 2024-01-23 | BIOLARGO, INC. | Other | $815,000 | $815,000 | 17 | 1 |
| 2022-05-04 | BIOLARGO, INC. | Other | $5,000,000 | $726,000 | 4 | 1 |
| 2019-05-20 | BIOLARGO, INC. | Other | $600,000 | $200,000 | 1 | 1 |
| 2019-01-29 | BIOLARGO, INC. | Other | $1,500,000 | $70,000 | 2 | 1 |
| 2018-04-13 | BIOLARGO, INC. | Other | $1,500,000 | $100,000 | 1 | 1 |
| 2017-08-03 | BIOLARGO, INC. | Other | $750,000 | $250,000 | 2 | 1 |
| 2017-08-02 | BIOLARGO, INC. | Other | $1,500,000 | $217,000 | 4 | 1 |
| 2017-01-17 | BIOLARGO, INC. | Other | $250,000 | $250,000 | 2 | 1 |
| 2017-01-11 | BIOLARGO, INC. | Other | $600,000 | $242,000 | 4 | 1 |
| 2016-08-01 | BIOLARGO, INC. | Other | $280,000 | $280,000 | 2 | 1 |
| 2015-03-18 | BIOLARGO, INC. | Other | $6,000,000 | $75,000 | 2 | 1 |
| 2014-08-22 | BIOLARGO, INC. | Other | $5,000,000 | $287,000 | 10 | 2 |
| 2014-04-11 | BIOLARGO, INC. | Other | $862,500 | $862,500 | 23 | 1 |
| 2012-02-14 | BIOLARGO, INC. | Other | $1,000,000 | $95,000 | 3 | 1 |
| 2012-01-18 | BIOLARGO, INC. | Other | $1,000,000 | $465,619 | 16 | 1 |
Data: SEC EDGAR. The quarterly full index (every S-1, S-1/A, F-1 and F-1/A since 1993, with the pricing prospectus, notice of effectiveness and withdrawal request of each registrant) and the company submissions data (SIC, state of incorporation, address, EIN, tickers, former names). Company details are what EDGAR holds today, not at the time of the filing.