Deep Fission Inc.
FISN | NASDAQ
$2.62
-$0.05 (-1.87%)
Nov 2, 2026, 9:44 AM ET · Market open
Company Profile
Deep Fission Nuclear, Inc. engages in the provision of nuclear energy through underground nuclear reactor. It uses clustered boreholes as a containment system. The company was founded by Richard Muller and Elizabeth Muller in 2023 and is headquartered in Berkeley, CA.
Key Executives
| Name | Position |
|---|---|
| Elizabeth A. Muller | Co-Founder, CEO, President & Chairman |
| Michael Allen Brasel | Chief Operating Officer |
| ShawnTrell Scales | Chief People Officer |
| Stacy Tarver Patterson | Chief Marketing Officer |
| William A. Schmitz | Chief Financial Officer |
| Chloe Frader | Vice President of Communications |
| Jen Stakich | Investor Relations Manager |
| Jonathan H. Gordon | General Counsel & Secretary |
| Mark Wayne Peres | Chief Nuclear Officer |
| Rani Franovich | Vice President of Regulatory Affairs |
| Richard A. Muller | Co-Founder & CTO |
Latest SEC Filings
| Date | Type | Title |
|---|---|---|
| Sep 21, 2026 | 8-K | Current Report |
| Aug 03, 2026 | 10-Q | Quarterly Report |
| Jul 29, 2026 | 8-K | Current Report |
| Jul 27, 2026 | 4 | Filing |
| Jul 27, 2026 | 4 | Filing |
| Jul 27, 2026 | 4 | Filing |
| Jul 27, 2026 | 4 | Filing |
| Jul 20, 2026 | S-8 | Filing |
| Jul 17, 2026 | 8-K | Current Report |
| Jun 22, 2026 | 8-K | Current Report |
Deep Fission Inc.
| Country | United States |
| IPO Date | Jun 18, 2026 |
| Industry | Industrial - Machinery |
| Sector | Industrials |
| Employees | 51 |
| CEO | Elizabeth Muller |
Contact Details
2001 Addison Street Berkeley,
California 94704 United States
Stock Details
| Ticker Symbol | FISN |
| Exchange | NASDAQ |
| Fiscal Year | January - December |
| Reporting Currency | USD |
| CIK Code | 0001918102 |
| CUSIP Number | 243927100 |
| ISIN Number | US2439271006 |
| SIC Code | 4911 |
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