Form 4 for FISN DEEP FISSION, INC.
Accepted 2025-08-28 00:00:00 ET · period of report 2025-08-26 · accession 0001213900-25-081957 · SEC index · Original document
Summary rows
Aggregated the way they appear in lists: one row per insider, transaction code and security table.
| X | Filed | Traded | Ticker | Insider | Title | Type | Price | Qty | Owned | ΔOwn | Value |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 2025-08-28 | 2025-08-26 | FISN | Tompkins Mark N. | Dir, 10% | S - Sale | $0.00 | -25.0K | 4.72M | -0.5% | $0 |
Purchase Sale Sale after option exercise All abbreviations
Every reported transaction
| # | Table | Security | Date | Code | A/D | Shares | Price | Owned after | Own | Exercise / expiry | Underlying | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Common | Common Stock | 2025-08-26 | S | D | 25,000 | $0.00 | 4,725,000 | D | — | — |