STROMMEN JACK B.
SEC insider (Form 3/4/5 filer). CIK 0001663146. Director at BIOLARGO, INC. (BLGO). 8 reported Form 4/5 transactions since Sep 2024; latest on Sep 30, 2026. Located in MINNEAPOLIS, MN.
Companies STROMMEN JACK B. has filed insider reports for
- BIOLARGO, INC. (BLGO): Director
STROMMEN JACK B.
CIK: 0001663146
Transaction Breakdown
High conviction signal
Position reduction
Derivative conversions
Compensation grants
Gifts, tax withholding, conversions, dispositions to the issuer and other codes
Companies & Roles (1)
BIOLARGO, INC.
Discretionary Trading P&L
Holdings
Transaction History (8 total)
- Sep 30, 2026BLGO
BIOLARGO, INC.
AwardDirectOption to Purchase Common Stock
187.5K shares- - Jun 30, 2026BLGO
BIOLARGO, INC.
AwardDirectOption to Purchase Common Stock
132.2K shares- - Mar 31, 2026BLGO
BIOLARGO, INC.
AwardDirectOption to Purchase Common Stock
92.6K shares- - Dec 31, 2025BLGO
BIOLARGO, INC.
AwardDirectOption to Purchase Common Stock
81.4K shares- - Sep 30, 2025BLGO
BIOLARGO, INC.
AwardDirectOption to Purchase Common Stock
88.2K shares- - Jun 30, 2025BLGO
BIOLARGO, INC.
AwardDirectOption to Purchase Common Stock
75K shares- - Dec 31, 2024BLGO
BIOLARGO, INC.
AwardDirectOption to Purchase Common Stock
78.9K shares- - Sep 30, 2024BLGO
BIOLARGO, INC.
AwardDirectOption to Purchase Common Stock
65.2K shares-
| Type | Shares | Price | Ownership | |||
|---|---|---|---|---|---|---|
| Sep 30, 2026 | BLGO BIOLARGO, INC. | Award Option to Purchase Common Stock | 187,500 | - | - | Direct |
| Jun 30, 2026 | BLGO BIOLARGO, INC. | Award Option to Purchase Common Stock | 132,159 | - | - | Direct |
| Mar 31, 2026 | BLGO BIOLARGO, INC. | Award Option to Purchase Common Stock | 92,593 | - | - | Direct |
| Dec 31, 2025 | BLGO BIOLARGO, INC. | Award Option to Purchase Common Stock | 81,389 | - | - | Direct |
| Sep 30, 2025 | BLGO BIOLARGO, INC. | Award Option to Purchase Common Stock | 88,235 | - | - | Direct |
| Jun 30, 2025 | BLGO BIOLARGO, INC. | Award Option to Purchase Common Stock | 75,000 | - | - | Direct |
| Dec 31, 2024 | BLGO BIOLARGO, INC. | Award Option to Purchase Common Stock | 78,947 | - | - | Direct |
| Sep 30, 2024 | BLGO BIOLARGO, INC. | Award Option to Purchase Common Stock | 65,217 | - | - | Direct |
1-8 of 8 transactions