Insider · CIK 0001576484
Joseph D Hammer
Files at XPON (Expion Energy, Inc.). First filing -, latest -.
In brief
Joseph D Hammer files SEC Form 4 as CEO and director at XPON (Expion Energy, 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; Joseph D Hammer has 0, so none is measured yet.
Signals
This insider’s open-market buys and sells, scored.
Transactions
Every row this insider has filed, 2 in all, newest first.
| Date | Company | Transaction | Shares | Price | Value | Holdings after | Filed |
|---|---|---|---|---|---|---|---|
| Aug 21, 2026 | XPON Expion Energy, Inc. | POpen-market purchase 8% Convertible Debenture Due August 21, 2029derivativeindirect: See footnote | +4,500 | $4,500,000.00 | $20B | 4,500 | Aug 25, 2026 |
| Aug 21, 2026 | XPON Expion Energy, Inc. | POpen-market purchase Common Stock Purchase Warrantderivativeindirect: See footnote | +1,058,609 | $0.00 | $0 | 1,058,609 | Aug 25, 2026 |
Questions about Joseph D Hammer
Answered from the filings on this page, as of the latest one.
Is Joseph D Hammer buying or selling?
Joseph D Hammer has no open-market buy or sell on SEC Form 4; the filings on record are grants, exercises and other transactions.
How did Joseph D Hammer's past buys perform?
Not measured yet. InsiderTell needs three past buys with six months of prices to publish a track record, and Joseph D Hammer has 0.
Where does Joseph D Hammer file Form 4?
Joseph D Hammer has filed Form 4 at XPON (Expion Energy, Inc.) as Former Chief Executive 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.