FISN · Deep Fission Inc. Common Stock
View on chartInsiders & Stakes
| Muller Richard Chief Technology Officer | ▲ Buy | Grant | 5,196,426 Shares held | 9/5/2025 | View profile |
| Mark N. Tompkins Director | ▼ Sell | Other | 1,891,667 Shares held | 9/5/2025 | View profile |
| Muller Elizabeth President and Chief Executive | ▲ Buy | Grant | 549,451 Shares held | 12/9/2025 | View profile |
| Ian Seth Jacobs President, CEO, CFO, Secretary | ▲ Buy | Open Market | 275,000 Shares held | 8/26/2025 | View profile |
| Schmitz William Mark Chief Financial Officer | ▲ Buy | Grant | 103,928 Shares held | 9/5/2025 | View profile |
Transaction History
| Muller Elizabeth | ▲ Buy | Grant | 549,451 | $0 | 12/9/2025 |
| Schmitz William Mark | ▲ Buy | Grant | 103,928 | — | 9/5/2025 |
| Muller Elizabeth | ▲ Buy | Grant | 5,196,426 | — | 9/5/2025 |
| Mark N. Tompkins | ▼ Sell | Other | 2,833,333 | $0 | 9/5/2025 |
| Muller Elizabeth | ▲ Buy | Grant | 5,057,855 | — | 9/5/2025 |
| Muller Richard | ▲ Buy | Grant | 5,196,426 | — | 9/5/2025 |
| Mark N. Tompkins | ▼ Sell | Open Market | 25,000 | $3 | 8/26/2025 |
| Ian Seth Jacobs | ▲ Buy | Open Market | 25,000 | $3 | 8/26/2025 |
AI Market Commentary
AI-generatedAll commentary →Synthesized from recent news and fundamentals/technical data -- not human analyst commentary or trader sentiment.
September 25, 2026
Deep Fission Announces Drilling Partnership and New Analyst Coverage
Deep Fission announced a collaboration with Youngquist Brothers on deep borehole drilling for underground nuclear reactors. Additionally, Roth Capital initiated coverage with a price target of $18. The stock is currently trading near its support level, with an average analyst target of $19.60.
Deep Fission Announces Drilling Partnership and New Analyst Coverage. Deep Fission announced a collaboration with Youngquist Brothers on deep borehole drilling for underground nuclear reactors. Additionally, Roth Capital initiated coverage with a price target of $18. The stock is currently trading near its support level, with an average analyst target of $19.60.