Insider · CIK 0001228572
Dennis P Calvert
Files at: BLGO. On EDGAR ↗
Reported trades — common stock
| Trade | Reported (ET) | Company | Shares | Avg price | Total | Owned after | Δ stake | Flags |
|---|---|---|---|---|---|---|---|---|
| Jun 30, 2026 AForm 4 → | Jul 2, 8:40 pm EDT | BIOLARGO, INC.BLGO | 919,483 | $0.1134 | $104,251 | 11,058,108 | — | |
| Dec 31, 2018 AGForm 4 → | Jan 3, 2019, 6:28 pm EST | BIOLARGO, INC.BLGO | 253,956 | $0.24 | $60,949 | 8,609,581 | — | plan? |
| Sep 30, 2018 AForm 4 → | Oct 2, 4:56 pm EDT | BIOLARGO, INC.BLGO | 119,071 | $0.27 | $32,149 | 8,505,625 | — | plan? |
| Jul 5, 2018 AForm 4 → | Jul 9, 5:15 pm EDT | BIOLARGO, INC.BLGO | 86,397 | $0.43 | $37,151 | 8,386,554 | — | plan? |
| Mar 31, 2018 AForm 4 → | Apr 3, 2:52 pm EDT | BIOLARGO, INC.BLGO | 150,197 | $0.259 | $38,901 | 8,300,157 | — | plan? |
| Dec 31, 2017 AForm 4 → | Jan 3, 2018, 6:20 pm EST | BIOLARGO, INC.BLGO | 77,432 | $0.39 | $30,198 | 8,149,960 | — | plan? |
| Oct 12, 2017 GForm 4 → | Oct 16, 4:06 pm EDT | BIOLARGO, INC.BLGO | 435,000 | — | — | 8,072,528 | — | plan? |
| May 2, 2017 AForm 4/A → | Jun 2, 7:12 pm EDT | BIOLARGO, INC.BLGO | 1,500,000 | $0.45 | $675,000 | 8,507,528 | — | plan? |
| May 2, 2017 AForm 4 → | May 4, 6:04 pm EDT | BIOLARGO, INC.BLGO | 1,500,000 | $0.45 | $675,000 | 8,507,528 | — | plan? amended |
| Apr 30, 2017 MForm 4 → | May 2, 8:34 pm EDT | BIOLARGO, INC.BLGO | 2,501,937 | $0.18 | $450,349 | 7,007,528 | — | plan? |
| Dec 1, 2016 GForm 4 → | Dec 2, 6:16 pm EST | BIOLARGO, INC.BLGO | 350,000 | — | — | 4,020,591 | — | plan? |
| Oct 29, 2015 GForm 4 → | Nov 2, 3:53 pm EST | BIOLARGO, INC.BLGO | 112,000 | — | — | 4,370,591 | — | plan? |
| Oct 12, 2015 GForm 4 → | Oct 15, 7:03 pm EDT | BIOLARGO, INC.BLGO | 16,835 | $0.60 | $10,101 | 4,482,591 | — | plan? late |
| Sep 22, 2015 AForm 4 → | Sep 24, 5:52 pm EDT | BIOLARGO, INC.BLGO | 58,223 | — | — | 4,499,426 | — | plan? |
| Jun 29, 2015 AForm 4 → | Jul 1, 7:47 pm EDT | BIOLARGO, INC.BLGO | 104,571 | — | — | 4,441,203 | — | plan? |
| Mar 30, 2015 AForm 4 → | Apr 1, 6:38 pm EDT | BIOLARGO, INC.BLGO | 71,608 | — | — | 4,336,632 | — | plan? |
| Dec 30, 2014 AGForm 4 → | Jan 2, 2015, 2:50 pm EST | BIOLARGO, INC.BLGO | 692,617 | — | — | 4,265,024 | — | plan? |
Reported trades — derivatives (options, RSUs, warrants)
| Trade | Reported (ET) | Company | Shares | Avg price | Total | Owned after | Δ stake | Flags |
|---|---|---|---|---|---|---|---|---|
| May 2, 2017 AForm 4/A → | Jun 2, 7:12 pm EDT | BIOLARGO, INC.BLGO | 3,731,322 | — | — | 4,883,296 | — | |
| May 2, 2017 AForm 4 → | May 4, 6:04 pm EDT | BIOLARGO, INC.BLGO | 3,731,322 | — | — | 4,883,296 | — | amended |
| Apr 30, 2017 FForm 4 → | May 2, 8:34 pm EDT | BIOLARGO, INC.BLGO | 3,866,630 | — | — | 1,151,974 | — |