| Date Filed | Type | Description |
| 07/26/2023 |
4
| Form 4 - Statement of changes in beneficial ownership of securities: |
| 10/05/2022 |
4
| CALVERT DENNIS P (President) has filed a Form 4 on BIOLARGO, INC.|
Txns:
| Granted 100,549 shares
@ $0.27, valued at
$27.1k
|
|
| 07/08/2022 |
4
| CALVERT DENNIS P (President) has filed a Form 4 on BIOLARGO, INC.|
Txns:
| Granted 156,111 shares
@ $0.18, valued at
$28.1k
|
|
| 12/30/2021 |
4
| CALVERT DENNIS P (President) has filed a Form 4 on BIOLARGO, INC.|
Txns:
| Gifted 156,000 shares
@ $0 |
|
| 04/05/2021 |
4
| CALVERT DENNIS P (President) has filed a Form 4 on BIOLARGO, INC.|
Txns:
| Granted 61,758 shares
@ $0.2275, valued at
$14k
|
|
| 01/04/2021 |
4
| CALVERT DENNIS P (President) has filed a Form 4 on BIOLARGO, INC.|
Txns:
| Gifted 225,000 shares
@ $0
Granted 316,260 shares
@ $0.12, valued at
$38k
|
|
| 10/08/2020 |
4
| CALVERT DENNIS P (President) has filed a Form 4 on BIOLARGO, INC.|
Txns:
| Granted 164,331 shares
@ $0.15, valued at
$24.6k
|
|
| 10/02/2020 |
4
| CALVERT DENNIS P (President) has filed a Form 4 on BIOLARGO, INC.|
Txns:
| Granted 164,331 shares
@ $0.15, valued at
$24.6k
|
|
| 07/02/2020 |
4
| CALVERT DENNIS P (President) has filed a Form 4 on BIOLARGO, INC.|
Txns:
| Granted 200,929 shares
@ $0.16, valued at
$32.1k
|
|
| 05/05/2020 |
4
| CALVERT DENNIS P (President) has filed a Form 4 on BIOLARGO, INC.|
Txns:
| Granted 50,000 options to buy
@ $0.14, valued at
$7k
Granted 343,571 options to buy
@ $0.14, valued at
$48.1k
|
|
| 04/02/2020 |
4
| CALVERT DENNIS P (President) has filed a Form 4 on BIOLARGO, INC.|
Txns:
| Granted 281,762 shares
@ $0.17, valued at
$47.9k
|
|
| 03/10/2020 |
4
| CALVERT DENNIS P (President) has filed a Form 4 on BIOLARGO, INC.|
Txns:
| Gifted 25,000 shares
@ $0 |
|
| 01/03/2020 |
4
| CALVERT DENNIS P (President) has filed a Form 4 on BIOLARGO, INC.|
Txns:
| Gifted 225,000 shares
@ $0 |
|
| 09/23/2019 |
4
| CALVERT DENNIS P (President) has filed a Form 4 on BIOLARGO, INC.|
Txns:
| Granted 65,000 options to buy
@ $0.22, valued at
$14.3k
|
|
| 07/02/2019 |
4
| CALVERT DENNIS P (President) has filed a Form 4 on BIOLARGO, INC.|
Txns:
| Granted 230,219 shares
@ $0.23, valued at
$53k
|
|
| 05/01/2019 |
4
| CALVERT DENNIS P (President) has filed a Form 4 on BIOLARGO, INC.|
Txns:
| Granted 268,434 shares
@ $0.16, valued at
$42.9k
|
|
| 01/03/2019 |
4
| CALVERT DENNIS P (President) has filed a Form 4 on BIOLARGO, INC.|
Txns:
| Gifted 75,000 shares
@ $0.24, valued at
$18k
Granted 178,956 shares
@ $0.24, valued at
$42.9k
|
|
| 10/02/2018 |
4
| CALVERT DENNIS P (President) has filed a Form 4 on BIOLARGO, INC.|
Txns:
| Granted 119,071 shares
@ $0.27, valued at
$32.1k
|
|
| 07/09/2018 |
4
| CALVERT DENNIS P (President) has filed a Form 4 on BIOLARGO, INC.|
Txns:
| Granted 86,397 shares
@ $0.43, valued at
$37.2k
|
|
| 04/03/2018 |
4
| CALVERT DENNIS P (President) has filed a Form 4 on BIOLARGO, INC.|
Txns:
| Granted 150,197 shares
@ $0.259, valued at
$38.9k
|
|
| 01/03/2018 |
4
| CALVERT DENNIS P (President) has filed a Form 4 on BIOLARGO, INC.|
Txns:
| Granted 77,432 shares
@ $0.39, valued at
$30.2k
|
|
| 10/16/2017 |
4
| CALVERT DENNIS P (President) has filed a Form 4 on BIOLARGO, INC.|
Txns:
| Gifted 435,000 shares
@ $0 |
|
| 06/02/2017 |
4/A
| CALVERT DENNIS P (President) has filed a Form 4 on BIOLARGO, INC.|
Txns:
| Granted 1,500,000 shares
@ $0.45, valued at
$675k
Granted 3,731,322 options to buy
@ $0.45, valued at
$1.7M
|
|
| 05/04/2017 |
4
| Form 4 - Statement of changes in beneficial ownership of securities |
| 05/02/2017 |
4
| Form 4 - Statement of changes in beneficial ownership of securities |
| 12/02/2016 |
4
| Form 4 - Statement of changes in beneficial ownership of securities |
| 11/02/2015 |
4
| Form 4 - Statement of changes in beneficial ownership of securities |
| 10/15/2015 |
4
| CALVERT DENNIS P (President) has filed a Form 4 on BIOLARGO, INC. |
| 09/24/2015 |
4
| CALVERT DENNIS P (President) has filed a Form 4 on BIOLARGO, INC. |
| 07/01/2015 |
4
| CALVERT DENNIS P (President) has filed a Form 4 on BIOLARGO, INC. |
| 04/01/2015 |
4
| CALVERT DENNIS P (PRESIDENT) has filed a Form 4 on BIOLARGO, INC. |
| 01/02/2015 |
4
| CALVERT DENNIS P (President & CEO) has filed a Form 4 on BIOLARGO, INC.|
Txns:
| Gifted 550,000 shares
@ $0
Granted 142,617 shares
@ $0 |
|
| 10/01/2014 |
4
| CALVERT DENNIS P (President & CEO) has filed a Form 4 on BIOLARGO, INC.|
Txns:
| Granted 21,819 shares
@ $0.47, valued at
$10.3k
|
|
| 07/01/2014 |
4
| CALVERT DENNIS P (PRESIDENT AND CEO) has filed a Form 4 on BIOLARGO, INC.|
Txns:
| Granted 85,179 shares
@ $0 |
|
|