Insider · CIK 0001361115

Marshall Dennis E

Reports to the SEC for 1 company · WESTMINSTER, CA

sec.gov

Transactions

Companies

Filings

CIK

0001361115

Forms 4 and 5

Insider transactions

50 trades

Date	Company	Role	Code	Shares	Price	Value	Shares after
2026-09-30	BLGOBIOLARGO, INC. · Option to Purchase Common StockA Award	Director	AAward	+234K sh	—	—	6,290,692
2026-09-30	BLGOBIOLARGO, INC. · Option to Purchase Common StockA Award	Director	AAward	+281K sh	—	—	6,056,317
2026-06-30	BLGOBIOLARGO, INC. · Option to Purchase Common StockA Award	Director	AAward	+198K sh	—	—	5,639,476
2026-06-30	BLGOBIOLARGO, INC. · Option to Purchase Common StockA Award	Director	AAward	+116K sh	—	—	5,804,674
2026-06-22	BLGOBIOLARGO, INC. · Option to Purchase Common StockA Award	Director	AAward	+40.9K sh	—	—	5,463,738
2026-03-31	BLGOBIOLARGO, INC. · Option to Purchase Common StockA Award	Director	AAward	+116K sh	—	—	5,432,829
2026-03-31	BLGOBIOLARGO, INC. · Option to Purchase Common StockA Award	Director	AAward	+139K sh	—	—	5,317,088
2025-12-31	BLGOBIOLARGO, INC. · Option to Purchase Common StockA Award	Director	AAward	+122K sh	—	—	5,144,645
2025-12-31	BLGOBIOLARGO, INC. · Option to Purchase Common StockA Award	Director	AAward	+102K sh	—	—	5,246,381
2025-09-30	BLGOBIOLARGO, INC. · Option to Purchase Common StockA Award	Director	AAward	+110K sh	—	—	5,067,561
2025-09-30	BLGOBIOLARGO, INC. · Option to Purchase Common StockA Award	Director	AAward	+132K sh	—	—	4,957,267
2025-06-30	BLGOBIOLARGO, INC. · Option to Purchase Common StockA Award	Director	AAward	+19K sh	—	—	4,717,566
2025-06-30	BLGOBIOLARGO, INC. · Option to Purchase Common StockA Award	Director	AAward	+113K sh	—	—	4,765,781
2025-06-30	BLGOBIOLARGO, INC. · Option to Purchase Common StockA Award	Director	AAward	+93.8K sh	—	—	4,859,531
2024-12-31	BLGOBIOLARGO, INC. · Option to Purchase Common StockA Award	Director	AAward	+98.7K sh	—	—	4,624,625
2024-12-26	BLGOBIOLARGO, INC. · Option to Purchase Common StockA Award	Director	AAward	+118K sh	—	—	4,525,941
2024-09-30	BLGOBIOLARGO, INC. · Option to Purchase Common StockA Award	Director	AAward	+81.5K sh	—	—	4,471,805
2024-09-29	BLGOBIOLARGO, INC. · Option to Purchase Common StockA Award	Director	AAward	+93.7K sh	—	—	4,390,283
2024-06-30	BLGOBIOLARGO, INC. · Option to Purchase Common StockA Award	Director	AAward	+73.5K sh	—	—	4,344,406
2024-06-28	BLGOBIOLARGO, INC. · Option to Purchase Common StockA Award	Director	AAward	+88.2K sh	—	—	4,270,877
2024-03-31	BLGOBIOLARGO, INC. · Option to Purchase Common StockA Award	Director	AAward	+53.6K sh	—	—	4,217,256
2024-03-28	BLGOBIOLARGO, INC. · Option to Purchase Common StockA Award	Director	AAward	+64.2K sh	—	—	4,163,685
2023-12-31	BLGOBIOLARGO, INC. · Option to Purchase Common StockA Award	Director	AAward	+134K sh	—	—	4,152,045
2023-12-31	BLGOBIOLARGO, INC. · Option to Purchase Common StockA Award	Director	AAward	+112K sh	—	—	4,108,116
2023-09-30	BLGOBIOLARGO, INC. · Option to Purchase Common StockA Award	Director	AAward	+113K sh	—	—	3,996,509
2023-06-30	BLGOBIOLARGO, INC. · Option to Purchase Common StockA Award	Director	AAward	+105K sh	—	—	3,883,353
2023-03-31	BLGOBIOLARGO, INC. · Option to Purchase Common StockA Award	Director	AAward	+91.5K sh	—	—	3,778,016
2022-12-31	BLGOBIOLARGO, INC. · Option to Purchase Common StockA Award	Director	AAward	+96.2K sh	—	—	3,686,508
2022-12-28	BLGOBIOLARGO, INC. · Option to Purchase Common StockA Award	Director	AAward	+37.5K sh	—	—	3,590,354
2022-10-03	BLGOBIOLARGO, INC. · Option to Purchase Common StockA Award	Director	AAward	+33.1K sh	—	—	3,627,854
2022-10-03	BLGOBIOLARGO, INC. · Option to Purchase Common StockA Award	Director	AAward	+69.4K sh	—	—	3,594,729
2022-06-30	BLGOBIOLARGO, INC. · Option to Purchase Common StockA Award	Director	AAward	+104K sh	—	—	3,591,535
2022-03-31	BLGOBIOLARGO, INC. · Option to purchase common stockA Award	Director	AAward	+208K sh	—	—	3,405,846
2022-03-31	BLGOBIOLARGO, INC. · Option to Purchase Common StockA Award	Director	AAward	+81.5K sh	—	—	3,487,368
2021-12-31	BLGOBIOLARGO, INC. · Option to Purchase Common StockA Award	Director	AAward	+89.3K sh	—	—	3,197,469
2021-12-31	BLGOBIOLARGO, INC. · Option to Purchase Common StockA Award	Director	AAward	+63.8K sh	—	—	3,108,183
2021-10-05	BLGOBIOLARGO, INC. · Option to Purchase Common StockA Award	Director	AAward	+98.7K sh	—	—	3,279,433
2021-07-01	BLGOBIOLARGO, INC. · Option to Purchase Common StockA Award	Director	AAward	+110K sh	—	—	3,180,749
2021-05-21	BLGOBIOLARGO, INC. · Option to purchase common stockA Award	Director	AAward	+27.4K sh	—	—	3,070,455
2021-04-01	BLGOBIOLARGO, INC. · Option to Purchase Common StockA Award	Director	AAward	+82.4K sh	—	—	3,152,772
2020-12-31	BLGOBIOLARGO, INC. · Option to Purchase Common StockA Award	Director	AAward	+156K sh	—	—	3,070,354
2020-10-08	BLGOBIOLARGO, INC. · Option to purchase common stockA Award	Director	AAward	+37.5K sh	—	—	2,914,104
2020-09-30	BLGOBIOLARGO, INC. · Option to Purchase Common StockA Award	Director	AAward	+125K sh	—	—	3,026,604
2020-06-30	BLGOBIOLARGO, INC. · Option to Purchase Common StockA Award	Director	AAward	+117K sh	—	—	2,901,604
2020-06-30	BLGOBIOLARGO, INC. · Option to purchase common stockA Award	Director	AAward	+2,500 sh	—	—	2,894,104
2020-03-31	BLGOBIOLARGO, INC. · Option to Purchase Common StockA Award	Director	AAward	+110K sh	—	—	2,784,416
2019-12-31	BLGOBIOLARGO, INC. · Option to Purchase Common StockA Award	Director	AAward	+85.2K sh	—	—	2,674,122
2019-09-30	BLGOBIOLARGO, INC. · Option to Purchase Common StockA Award	Director	AAward	+59.5K sh	—	—	2,588,895
2019-09-19	BLGOBIOLARGO, INC. · Option to Purchase Common StockA Award	Director	AAward	+45K sh	—	—	2,529,371
2019-06-30	BLGOBIOLARGO, INC. · Option to Purchase Common StockA Award	Director	AAward	+81.5K sh	—	—	2,664,371

Recent filings

Accepted (ET)
Oct 24
Marshall Dennis E0001437749-26-031933
SEC(opens sec.gov)
Jul 24
Marshall Dennis E0001437749-26-022603
SEC(opens sec.gov)
Jun 244
Marshall Dennis E0001437749-26-021600
SEC(opens sec.gov)
Apr 14
Marshall Dennis E0001437749-26-010939
SEC(opens sec.gov)
Jan 54
Marshall Dennis E0001437749-26-000354
SEC(opens sec.gov)
Oct 24
Marshall Dennis E0001437749-25-030313
SEC(opens sec.gov)
Jul 24
Marshall Dennis E0001437749-25-022015
SEC(opens sec.gov)
Jan 34
Marshall Dennis E0001437749-25-000339
SEC(opens sec.gov)
Dec 304
Marshall Dennis E0001437749-24-038519
SEC(opens sec.gov)
Oct 14
Marshall Dennis E0001437749-24-030376
SEC(opens sec.gov)
Jul 14
Marshall Dennis E0001437749-24-021666
SEC(opens sec.gov)

Companies

BIOLARGO, INC.DirectorBLGO

Address

14921 CHESTNUT ST.

WESTMINSTER, CA, 92683