Insider · CIK 0001112799
Charles K Dargan
Files at BLGO (BIOLARGO, INC.). First filing -, latest -.
In brief
Charles K Dargan files SEC Form 4 as CFO at BLGO (BIOLARGO, INC.). No open-market trade is on file; the transactions below are grants, exercises and other rows that carry no view on the price.
A track record needs three past buys with six months of prices behind them; Charles K Dargan has 0, so none is measured yet.
Signals
This insider’s open-market buys and sells, scored.
Transactions
Every row this insider has filed, 1 in all, newest first.
| Date | Company | Transaction | Shares | Price | Value | Holdings after | Filed |
|---|---|---|---|---|---|---|---|
| Feb 1, 2026 | BLGO BIOLARGO, INC. | AGrant or award Option to Purchase Common Stockderivative | +300,000 | - | - | 5,931,668 | Feb 3, 2026 |
Questions about Charles K Dargan
Answered from the filings on this page, as of the latest one.
Is Charles K Dargan buying or selling?
Charles K Dargan has no open-market buy or sell on SEC Form 4; the filings on record are grants, exercises and other transactions.
How did Charles K Dargan's past buys perform?
Not measured yet. InsiderTell needs three past buys with six months of prices to publish a track record, and Charles K Dargan has 0.
Where does Charles K Dargan file Form 4?
Charles K Dargan has filed Form 4 at BLGO (BIOLARGO, INC.) as Chief Financial Officer. A Form 4 is required of officers, directors and holders of more than 10% of a share class within two business days of a trade.
Not investment advice. Scores and forward returns are decision support built from public SEC filings and past prices; they describe what happened after comparable filings, not what will happen after this one. Do your own research and size your risk.