Nasdaq · CIK 0001846416
ONEN ONE Nuclear Energy Inc.
Insider trading from SEC Form 4. Last filing 20 d ago.
ONE Nuclear Energy Inc. (ONEN) has 9 SEC Form 4 filings on file from 9 insiders, the latest filed on Sep 23, 2026. No insider bought or sold on the open market in the last 90 days; rows filed in that time are grants, exercises, tax withholding and other transactions that carry no view on the price.
Last 90 days
Signals
Open-market buys and sells at ONE Nuclear Energy Inc., scored.
Transactions
Every row filed, 26 in all.
| Date | Insider | Transaction | Shares | Price | Value | Holdings after | Filed |
|---|---|---|---|---|---|---|---|
| Sep 23, 2026 | Anna Brunelle other | MOption exercise Class A ordinary shares | +25,000 | - | - | 25,000 | 20 d ago |
| Sep 23, 2026 | Javier Saade other | MOption exercise Class A ordinary shares | +25,000 | - | - | 25,000 | 20 d ago |
| Sep 23, 2026 | Brian Bonner other | MOption exercise Class A ordinary shares | +25,000 | - | - | 25,000 | 20 d ago |
| Sep 23, 2026 | Nicholas Boris Geeza other | MOption exercise Class A ordinary shares | +250,000 | - | - | 250,000 | 20 d ago |
| Sep 23, 2026 | Poonam Sharma other | MOption exercise Class A ordinary shares | +30,000 | - | - | 30,000 | 20 d ago |
| Sep 23, 2026 | HC VII Sponsor LLC other | MOption exercise Class A ordinary sharesindirect: See Explanation of Responses | +5,203,333 | - | - | 5,703,333 | 20 d ago |
| Sep 23, 2026 | Thomas D Hennessy other | MOption exercise Class A ordinary shares | +750,000 | - | - | 750,000 | 20 d ago |
| Sep 23, 2026 | Grant R Allen other | MOption exercise Class A ordinary shares | +25,000 | - | - | 25,000 | 20 d ago |
| Sep 23, 2026 | Daniel J Hennessy director | MOption exercise Class A ordinary sharesindirect: See Explanation of Responses | +5,203,333 | - | - | 5,703,333 | 20 d ago |
| Sep 23, 2026 | Daniel J Hennessy director | MOption exercise Class A ordinary sharesindirect: See Explanation of Responses | +41,666 | - | - | 5,744,999 | 20 d ago |
| Sep 23, 2026 | Javier Saade other | MOption exercise Class B ordinary sharesderivative | -25,000 | $0.00 | $0 | 0 | 20 d ago |
| Sep 23, 2026 | Poonam Sharma other | MOption exercise Class B ordinary sharesderivative | -30,000 | $0.00 | $0 | 0 | 20 d ago |
| Sep 23, 2026 | Thomas D Hennessy other | MOption exercise Class A ordinary sharesindirect: See Explanation of Responses | +5,203,333 | - | - | 5,703,333 | 20 d ago |
| Sep 23, 2026 | HC VII Sponsor LLC other | MOption exercise Class A ordinary sharesindirect: See Explanation of Responses | +41,666 | - | - | 5,744,999 | 20 d ago |
| Sep 23, 2026 | Nicholas Boris Geeza other | MOption exercise Class B ordinary sharesderivative | -250,000 | $0.00 | $0 | 0 | 20 d ago |
| Sep 23, 2026 | Brian Bonner other | MOption exercise Class B ordinary sharesderivative | -25,000 | $0.00 | $0 | 0 | 20 d ago |
| Sep 23, 2026 | Anna Brunelle other | MOption exercise Class B ordinary sharesderivative | -25,000 | $0.00 | $0 | 0 | 20 d ago |
| Sep 23, 2026 | Grant R Allen other | MOption exercise Class B ordinary sharesderivative | -25,000 | $0.00 | $0 | 0 | 20 d ago |
| Sep 23, 2026 | Daniel J Hennessy director | MOption exercise Class B ordinary sharesderivativeindirect: See Explanation of Responses | -5,203,333 | $0.00 | $0 | 0 | 20 d ago |
| Sep 23, 2026 | HC VII Sponsor LLC other | MOption exercise Class B ordinary sharesderivativeindirect: See Explanation of Responses | -5,203,333 | $0.00 | $0 | 0 | 20 d ago |
| Sep 23, 2026 | Thomas D Hennessy other | MOption exercise Class A ordinary sharesindirect: See Explanation of Responses | +41,666 | - | - | 5,744,999 | 20 d ago |
| Sep 23, 2026 | HC VII Sponsor LLC other | MOption exercise Rights to receive Class A ordinary sharesderivativeindirect: See Explanation of Responses | -500,000 | $0.00 | $0 | 0 | 20 d ago |
| Sep 23, 2026 | Daniel J Hennessy director | MOption exercise Rights to receive Class A ordinary sharesderivativeindirect: See Explanation of Responses | -500,000 | $0.00 | $0 | 0 | 20 d ago |
| Sep 23, 2026 | Thomas D Hennessy other | MOption exercise Class B ordinary sharesderivative | -750,000 | $0.00 | $0 | 0 | 20 d ago |
| Sep 23, 2026 | Thomas D Hennessy other | MOption exercise Class B ordinary sharesderivativeindirect: See Explanation of Responses | -5,203,333 | $0.00 | $0 | 0 | 20 d ago |
| Sep 23, 2026 | Thomas D Hennessy other | MOption exercise Rights to receive Class A ordinary sharesderivativeindirect: See Explanation of Responses | -500,000 | $0.00 | $0 | 0 | 20 d ago |
Insiders
Everyone who has filed a Form 4 here.
- Grant R Allenother
- Brian Bonnerother
- Anna Brunelleother, director
- Nicholas Boris Geezaother
- HC VII Sponsor LLCother
- Daniel J Hennessydirector, ceo, officer, owner, chair
- Thomas D Hennessyother, owner, president, officer, director
- Javier Saadeother
- Poonam Sharmaother
Questions about ONEN
Answered from the filings on this page, as of the latest one.
Are insiders buying ONEN?
No. In the last 90 days no insider at ONE Nuclear Energy Inc. bought or sold shares on the open market according to SEC Form 4 filings. The rows on file from that period are grants, exercises, tax withholding or other transactions, which carry no view on the price.
Who was the last insider to trade ONEN on the open market?
No open-market trade has been scored at ONE Nuclear Energy Inc.. The latest Form 4 on file was filed on Sep 23, 2026 and holds grants, exercises or other rows that are not market trades.
How many insiders file Form 4 at ONE Nuclear Energy Inc.?
9 people have filed a Form 4 at ONE Nuclear Energy Inc., among them Grant R Allen (insider), Brian Bonner (insider), Anna Brunelle (director). Officers, directors and holders of more than 10% of a share class must report their trades within two business days.
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.