Elizabeth Muller
President and Chief Executive at Deep Fission Inc.
Sits on 1 board. Last updated September 28, 2026
Time on boards
- Boards served
- 1
- Current seats
- 1
- Board service
- 1 year
- Director since
- 2025
1 year of board service in total across 1 board, counting each seat separately. Longest: Deep Fission Inc., 1 year.
Deep Fission Inc.
Director · President and Chief Executive
Chief executive roles
Deep Fission Inc.
· President and Chief Executive
Since September 2025
Insider trades
All notable trades →From SEC Forms 4 and 5. Open-market purchases and sales are highlighted; grants, option exercises and shares withheld for tax are routine.
| Date | Company | Transaction | Shares | Price | Value |
|---|---|---|---|---|---|
| Dec 9, 2025 | Deep Fission Inc. | Grant or award | +549,451 | — | — |
| Sep 5, 2025 | Deep Fission Inc. | Grant or award | +5,196,426 | — | — |
| Sep 5, 2025 | Deep Fission Inc. | Grant or award | +5,057,855 | — | — |
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