Form4insider filings, from the source

Insider · CIK 0001361115

Dennis E Marshall

Files at: BLGO. On EDGAR ↗

1M3M6M1Y2YAll datashares as filed — not split-adjusted

Reported trades — common stock

No reported common-stock activity in this period.

Reported trades — derivatives (options, RSUs, warrants)

TradeReported (ET)CompanySharesAvg priceTotalOwned afterΔ stakeFlags
Jun 30, 2026 AForm 4 →Jul 2, 6:21 pm EDTBIOLARGO, INC.BLGO313,979——5,804,674—
Jun 22, 2026 AForm 4 →Jun 24, 6:21 pm EDTBIOLARGO, INC.BLGO40,909——5,463,738—
Dec 31, 2018 AForm 4/A →Jan 10, 2019, 5:51 pm ESTBIOLARGO, INC.BLGO78,125——2,387,536—
Dec 31, 2018 AForm 4 →Jan 3, 2019, 6:17 pm ESTBIOLARGO, INC.BLGO156,250——2,465,661— amended
Sep 30, 2018 AForm 4 →Oct 2, 4:57 pm EDTBIOLARGO, INC.BLGO69,444——2,309,411—
Jun 29, 2018 AForm 4 →Jul 3, 1:22 pm EDTBIOLARGO, INC.BLGO43,605——2,239,967—
Mar 31, 2018 AForm 4 →Apr 3, 1:45 pm EDTBIOLARGO, INC.BLGO72,394——2,196,362—
Dec 31, 2017 AForm 4 →Jan 3, 2018, 5:57 pm ESTBIOLARGO, INC.BLGO48,077——2,123,968—
Sep 30, 2017 AForm 4/A →Oct 4, 6:21 pm EDTBIOLARGO, INC.BLGO36,765——2,057,509—
Sep 30, 2017 AForm 4 →Oct 3, 5:20 pm EDTBIOLARGO, INC.BLGO55,147——2,075,891— amended
Jun 30, 2017 AForm 4 →Jul 3, 2:25 pm EDTBIOLARGO, INC.BLGO43,605——2,020,744—
Jun 19, 2017 AForm 4 →Jun 21, 4:33 pm EDTBIOLARGO, INC.BLGO10,000——1,977,139—
Mar 31, 2017 AForm 4 →Apr 4, 4:30 pm EDTBIOLARGO, INC.BLGO37,500——1,967,139—
Dec 31, 2016 AForm 4 →Jan 4, 2017, 5:55 pm ESTBIOLARGO, INC.BLGO22,590——1,929,639—
Sep 30, 2016 AForm 4 →Oct 4, 4:31 pm EDTBIOLARGO, INC.BLGO29,605——1,907,049—
Jun 30, 2016 AForm 4 →Jul 1, 3:13 pm EDTBIOLARGO, INC.BLGO50,000——1,877,444—
Jun 20, 2016 AForm 4 →Jun 22, 7:33 pm EDTBIOLARGO, INC.BLGO10,000——1,827,444—
Mar 31, 2016 AForm 4 →Apr 4, 4:12 pm EDTBIOLARGO, INC.BLGO68,182——1,817,444—
Dec 31, 2015 AForm 4 →Jan 5, 2016, 3:48 pm ESTBIOLARGO, INC.BLGO45,000——1,749,262—
Sep 22, 2015 AForm 4 →Sep 24, 3:48 pm EDTBIOLARGO, INC.BLGO34,615——1,704,262—
Jun 29, 2015 AForm 4 →Jul 1, 7:47 pm EDTBIOLARGO, INC.BLGO64,286——1,669,647—
Jun 24, 2015 AForm 4 →Jun 26, 3:51 pm EDTBIOLARGO, INC.BLGO10,000——1,605,361—
Mar 30, 2015 AForm 4 →Apr 1, 6:23 pm EDTBIOLARGO, INC.BLGO63,380——1,595,361—
Dec 30, 2014 AForm 4 →Jan 2, 2015, 3:10 pm ESTBIOLARGO, INC.BLGO64,286——1,531,981—