// company-profile
Biolargo, Inc.
BLGOExchangeOTCSectorChemicals & Allied ProductsInc.DEFilings66Insiders7
// api This Biolargo, Inc. insider-trading data is served live by the Form4API insider trading API. Get the same data via API.
// activity-summary
No insider transactions in the last 30 days.
// 90-day insight
Over the last 90 days, Biolargo, Inc. insiders bought $11K across 6 transactions with no open-market sales.
- Most active insider: Marshall Dennis E with 2 transactions totaling $0.
- Largest single purchase: $11K by CODE KENNETH REAY on Mar 31, 2026.
Activity skews bullish — buys outpace sales.
Institutional Ownership
Top 13F-HR holders of Biolargo, Inc. as of 2026-03-31
Total reported AUM
$19,090
QoQ change
—
Reporting period
2026-03-31
#1
FIRST AMERICAN TRUST, FSB
CIK 36066
$19,090
118K shares
Data source: SEC Form 13F-HR filings. Joined with insider activity above — see who's loading up institutionally while insiders are trading. Full 13F-HR API →
Insider Transactions
Sourced from SEC EDGAR Form 4 filings. Updated hourly.
| Date | Insider | Company | Type | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Mar 31, 2026 | Marshall Dennis E | BLGO | Award | 115,741 | — | — |
| Mar 31, 2026 | Marshall Dennis E | BLGO | Award | 138,889 | — | — |
| Mar 31, 2026 | Park Linda | BLGO | Award | 115,741 | — | — |
| Mar 31, 2026 | Bray Christina Elaine | BLGO | Award | 115,741 | — | — |
| Mar 31, 2026 | STROMMEN JACK B. | BLGO | Award | 92,593 | — | — |
45 more transactions hidden
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