Insider · CIK 0001889459
William James Polvino
Files at SABS (SAB Biotherapeutics, Inc.). First filing -, latest -.
William James Polvino files SEC Form 4 as director at SABS (SAB Biotherapeutics, 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; William James Polvino 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 |
|---|---|---|---|---|---|---|---|
| Dec 16, 2025 | SABS SAB Biotherapeutics, Inc. | AGrant or award Stock Option (right to buy)derivative | +150,000 | $0.00 | $0 | 150,000 | Dec 18, 2025 |
Questions about William James Polvino
Answered from the filings on this page, as of the latest one.
Is William James Polvino buying or selling?
William James Polvino has no open-market buy or sell on SEC Form 4; the filings on record are grants, exercises and other transactions.
How did William James Polvino's past buys perform?
Not measured yet. InsiderTell needs three past buys with six months of prices to publish a track record, and William James Polvino has 0.
Where does William James Polvino file Form 4?
William James Polvino has filed Form 4 at SABS (SAB Biotherapeutics, Inc.). 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.