10 insiders reported 15 Form 4 transactions for ONE Nuclear Energy Inc. (ONEN) over the past 18 months (most recent 2026-09-23). Recent activity: Allen Grant R (Insider) Buy 25,000 shares, HENNESSY DANIEL J (Director) Buy 5.2M shares, Hennessy Capital Group LLC (Insider) Buy 5.2M shares, Bonner Brian (Insider) Buy 25,000 shares, Hennessy Thomas D (Insider) Buy 750,000 shares. Source: SEC Form 4.
| Date | Insider | Title | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-09-23 | Allen Grant R | Insider | Buy | 25,000 | $0 |
| 2026-09-23 | HENNESSY DANIEL J | Director | Buy | 5.2M | $0 |
| 2026-09-23 | Hennessy Capital Group LLC | Insider | Buy | 5.2M | $0 |
| 2026-09-23 | Bonner Brian | Insider | Buy | 25,000 | $0 |
| 2026-09-23 | Hennessy Thomas D | Insider | Buy | 750,000 | $0 |
| 2026-09-23 | Saade Javier | Insider | Buy | 25,000 | $0 |
| 2026-09-23 | HC VII Sponsor LLC | Insider | Buy | 5.2M | $0 |
| 2026-09-23 | Sharma Poonam | Insider | Buy | 30,000 | $0 |
| 2026-09-23 | BRUNELLE ANNA S. | Insider | Buy | 25,000 | $0 |
| 2026-09-23 | Geeza Nicholas Boris | Insider | Buy | 250,000 | $0 |
| 2026-09-23 | HENNESSY DANIEL J | Director | Buy | 41,666 | $0 |
| 2026-09-23 | Hennessy Capital Group LLC | Insider | Buy | 41,666 | $0 |
| 2026-09-23 | Hennessy Thomas D | Insider | Buy | 5.2M | $0 |
| 2026-09-23 | HC VII Sponsor LLC | Insider | Buy | 41,666 | $0 |
| 2026-09-23 | Hennessy Thomas D | Insider | Buy | 41,666 | $0 |
Source: SEC Form 4 filings · as of 2026-09-23