| Stock | Role | Class | Num Shares | Value | Price $ | Report Date | Ownership |
|---|---|---|---|---|---|---|---|
| Deep Isolation Nuclear, Inc. | Director, 10%+ Owner | Common Stock | 11.7M | 19 Nov 2025 | Direct | ||
| Surfside Acquisition Inc. | Chief Executive Officer | Common Stock | 5.2M | 05 Sep 2025 | Direct | ||
| Surfside Acquisition Inc. | Chief Executive Officer | Common Stock | 5.06M | 05 Sep 2025 | By Muller Family Trust | ||
| DEEP FISSION, INC. | Chief Executive Officer | Stock Option (right to buy) | 995K | 09 Dec 2025 | Direct | ||
| DEEP FISSION, INC. | Chief Executive Officer | Restricted Stock Units | 549K | 09 Dec 2025 | Direct | ||
| Deep Isolation Nuclear, Inc. | Director, 10%+ Owner | Stock Option (Right to Buy) | 10.8K | 01 Oct 2025 | Direct |
| Symbol | Company | Period | Transactions | Value $ | Form Type | Role | Filing Time |
|---|---|---|---|---|---|---|---|
| DEEP FISSION, INC. | 09 Dec 2025 | 2 | $0 | 4 | Chief Executive Officer | 12 Dec 2025, 17:02 | |
| Deep Isolation Nuclear, Inc. | 19 Nov 2025 | 1 | $0 | 4 | Director, 10%+ Owner | 21 Nov 2025, 11:12 | |
| Deep Isolation Nuclear, Inc. | 01 Oct 2025 | 2 | $0 | 4 | Director, 10%+ Owner | 07 Oct 2025, 18:48 | |
| DEEP FISSION, INC. | 05 Sep 2025 | 2 | $0 | 4 | President and Chief Executive, Director | 09 Sep 2025, 17:16 | |
| DEEP FISSION, INC. | 05 Sep 2025 | 0 | $0 | 3 | President and Chief Executive, Director | 09 Sep 2025, 17:14 | |
| Deep Isolation Nuclear, Inc. | 23 Jul 2025 | 0 | $0 | 3 | Director, 10%+ Owner | 18 Aug 2025, 20:11 |