CALVERT DENNIS P
CIK: 0001228572
Primary company: BIOLARGO, INC. (BLGO)
CALVERT DENNIS P is a corporate insider at BIOLARGO, INC. (BLGO) filing SEC Form 4 transactions. 58 transactions. Source: SEC EDGAR.
Companies
Transaction History
Source: SEC EDGAR Form 4 insider transaction filings.
Company | Type | Shares | Price | Value | Shares After | Date | SEC |
|---|---|---|---|---|---|---|---|
BIOLARGO, INC. BLGO | Award | 219,914 | $0.11 | $25K | 11,058,108 | 7/1/2026 Filed: 6/30/2026 | Filing → |
BIOLARGO, INC. BLGO | Award | 699,569 | $0.11 | $79K | 10,838,194 | 6/30/2026 Filed: 6/30/2026 | Filing → |
BIOLARGO, INC. BLGO | Award | 310,269 | $0.16 | $50K | 10,393,403 | 11/14/2025 Filed: 11/17/2025 | Filing → |
BIOLARGO, INC. BLGO | Award | 169,498 | $0.20 | $34K | 10,029,542 | 7/14/2025 Filed: 7/16/2025 | Filing → |
BIOLARGO, INC. BLGO | Award | 50,557 | $0.17 | $8K | 9,860,044 | 12/31/2023 Filed: 1/3/2024 | Filing → |
BIOLARGO, INC. BLGO | Award | 50,553 | $0.18 | $9K | 9,809,487 | 7/24/2023 Filed: 7/26/2023 | Filing → |
BIOLARGO, INC. BLGO | Award | 100,549 | $0.27 | $27K | 9,758,934 | 10/3/2022 Filed: 10/5/2022 | Filing → |
BIOLARGO, INC. BLGO | Award | 156,111 | $0.18 | $28K | 9,658,385 | 7/7/2022 Filed: 7/8/2022 | Filing → |
BIOLARGO, INC. BLGO | Gift | 156,000 | - | - | 9,502,274 | 12/30/2021 Filed: 12/30/2021 | Filing → |
BIOLARGO, INC. BLGO | Award | 61,758 | $0.23 | $14K | 9,658,274 | 4/1/2021 Filed: 4/5/2021 | Filing → |
BIOLARGO, INC. BLGO | Award | 316,260 | $0.12 | $38K | 9,596,516 | 12/31/2020 Filed: 1/4/2021 | Filing → |
BIOLARGO, INC. BLGO | Gift | 225,000 | - | - | 9,280,256 | 12/31/2020 Filed: 1/4/2021 | Filing → |
BIOLARGO, INC. BLGO | Award | 164,331 | $0.15 | $25K | 9,505,256 | 10/6/2020 Filed: 10/8/2020 | Filing → |
BIOLARGO, INC. BLGO | Award | 164,331 | $0.15 | $25K | 9,505,256 | 9/30/2020 Filed: 10/2/2020 | Filing → |
BIOLARGO, INC. BLGO | Award | 200,929 | $0.16 | $32K | 9,340,925 | 6/30/2020 Filed: 7/2/2020 | Filing → |
BIOLARGO, INC. BLGO | Award | 343,571 | $0.00 | $0 | 4,189,893 | 5/1/2020 Filed: 5/5/2020 | Filing → |
BIOLARGO, INC. BLGO | Award | 50,000 | $0.00 | $0 | 3,846,322 | 5/1/2020 Filed: 5/5/2020 | Filing → |
BIOLARGO, INC. BLGO | Award | 281,762 | $0.17 | $48K | 9,139,996 | 3/31/2020 Filed: 4/2/2020 | Filing → |
BIOLARGO, INC. BLGO | Gift | 25,000 | $0.00 | $0 | 8,858,234 | 3/9/2020 Filed: 3/10/2020 | Filing → |
BIOLARGO, INC. BLGO | Gift | 225,000 | $0.00 | $0 | 8,883,234 | 12/31/2019 Filed: 1/3/2020 | Filing → |
BIOLARGO, INC.
BLGO
Type
Award
Shares
219,914
Price
$0.11
Value
$25K
BIOLARGO, INC.
BLGO
Type
Award
Shares
699,569
Price
$0.11
Value
$79K
BIOLARGO, INC.
BLGO
Type
Award
Shares
310,269
Price
$0.16
Value
$50K
BIOLARGO, INC.
BLGO
Type
Award
Shares
169,498
Price
$0.20
Value
$34K
BIOLARGO, INC.
BLGO
Type
Award
Shares
50,557
Price
$0.17
Value
$8K
BIOLARGO, INC.
BLGO
Type
Award
Shares
50,553
Price
$0.18
Value
$9K
BIOLARGO, INC.
BLGO
Type
Award
Shares
100,549
Price
$0.27
Value
$27K
BIOLARGO, INC.
BLGO
Type
Award
Shares
156,111
Price
$0.18
Value
$28K
BIOLARGO, INC.
BLGO
Type
Gift
Shares
156,000
Price
-
Value
-
BIOLARGO, INC.
BLGO
Type
Award
Shares
61,758
Price
$0.23
Value
$14K
BIOLARGO, INC.
BLGO
Type
Award
Shares
316,260
Price
$0.12
Value
$38K
BIOLARGO, INC.
BLGO
Type
Gift
Shares
225,000
Price
-
Value
-
BIOLARGO, INC.
BLGO
Type
Award
Shares
164,331
Price
$0.15
Value
$25K
BIOLARGO, INC.
BLGO
Type
Award
Shares
164,331
Price
$0.15
Value
$25K
BIOLARGO, INC.
BLGO
Type
Award
Shares
200,929
Price
$0.16
Value
$32K
BIOLARGO, INC.
BLGO
Type
Award
Shares
343,571
Price
$0.00
Value
$0
BIOLARGO, INC.
BLGO
Type
Award
Shares
50,000
Price
$0.00
Value
$0
BIOLARGO, INC.
BLGO
Type
Award
Shares
281,762
Price
$0.17
Value
$48K
BIOLARGO, INC.
BLGO
Type
Gift
Shares
25,000
Price
$0.00
Value
$0
BIOLARGO, INC.
BLGO
Type
Gift
Shares
225,000
Price
$0.00
Value
$0
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