DEEP FISSION, INC. (FISN) has 4 SEC Form 4 insider filings on record in the last 90 days. Most recent filing: July 27, 2026.
| Date | Insider | Value | Shares | Stake | Pre-planned | Links |
|---|---|---|---|---|---|---|
| July 27, 2026 filed July 23, 2026 | GLANVILLE THOMAS S Director | $0 | 19,156 | 0% | No | |
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| July 27, 2026 filed July 23, 2026 | JANOVER BLAKE Director | $0 | 18,962 | 0% | No | |
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| July 27, 2026 filed July 23, 2026 | Angell Jonathon Director | $0 | 16,973 | 0% | No | |
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| July 27, 2026 filed July 23, 2026 | Goldman Tepper Leslie Director | $0 | 19,204 | 0% | No | |
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Form 4 is the filing company officers, directors and 10% shareholders must submit to the SEC within two business days of trading their own company's stock. Open-market purchases generally carry more signal than sales, which are often scheduled in advance. More on how this works.
Real-time Telegram alerts the moment a Form 4 is filed. Filings shown here are delayed by 72 hours.
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