DEEP FISSION, INC. (FISN)
Nasdaq · Electric Services · Inc. DE
What they're doing
Between 2026-06-21 and 2026-09-19, public records show 1 signal for DEEP FISSION, INC.. Most notable: 2026-07-17: Filed 8-K disclosing director or officer change. Federal contract obligations over the last 24 months total $0. This summary was assembled automatically from SEC EDGAR, USAspending.gov, U.S. Senate lobbying disclosures and Wikimedia pageview counts.
Generated 2026-09-19 from public records.
Signals, last 12 months
- Material 8-K filingFiled 8-K disclosing director or officer change
- Material 8-K filingFiled 8-K disclosing director or officer change
- Material 8-K filingFiled 8-K disclosing material agreement
- Material 8-K filingFiled 8-K disclosing director or officer change
- Material 8-K filingFiled 8-K disclosing director or officer change
- Material 8-K filingFiled 8-K disclosing material agreement
- Material 8-K filingFiled 8-K disclosing director or officer change
Insider transactions
| Date | Insider | Role | Code | Shares | Price | Value |
|---|---|---|---|---|---|---|
| 2025-12-09 | Muller Elizabeth | officer | A | 549,451 | 0 | $0 |
| 2025-12-09 | Muller Elizabeth | officer | A | 549,451 | 0 | $0 |
| 2025-09-05 | Muller Richard | director | A | 5,196,426 | — | — |
| 2025-09-05 | Muller Elizabeth | director | A | 5,196,426 | — | — |
| 2025-09-05 | Muller Elizabeth | director | A | 5,057,855 | — | — |
| 2025-09-05 | Schmitz William Mark | officer | A | 103,928 | — | — |
| 2025-09-05 | Tompkins Mark N. | other | J | 2,833,333 | 0 | $0 |
| 2025-09-05 | Muller Richard | director | A | 5,196,426 | — | — |
| 2025-09-05 | Muller Elizabeth | director | A | 5,196,426 | — | — |
| 2025-09-05 | Muller Elizabeth | director | A | 5,057,855 | — | — |
| 2025-09-05 | Schmitz William Mark | officer | A | 103,928 | — | — |
| 2025-09-05 | Tompkins Mark N. | other | J | 2,833,333 | 0 | $0 |
| 2025-08-26 | Tompkins Mark N. | director | S | 25,000 | 0 | $0 |
| 2025-08-26 | Jacobs Ian Seth | director | P | 25,000 | 0 | $0 |
| 2025-08-26 | Tompkins Mark N. | director | S | 25,000 | 0 | $3 |
| 2025-08-26 | Jacobs Ian Seth | director | P | 25,000 | 0 | $3 |
Federal contracts
No federal contract actions on record for this recipient mapping.
Lobbying
No federal lobbying filings on record for this client mapping.
Public attention
No Wikipedia pageview data linked to this company.
Recent filings
- 2026-09-21 8-K
- 2026-08-03 10-Q
- 2026-07-29 8-K
- 2026-07-27 4
- 2026-07-27 4
- 2026-07-27 4
- 2026-07-27 4
- 2026-07-20 S-8
- 2026-07-17 8-K
- 2026-06-22 8-K
- 2026-06-18 424B4
- 2026-06-17 EFFECT
- 2026-06-17 DEF 14A
- 2026-06-17 CERT
- 2026-06-10 S-1/A
- 2026-05-28 8-A12B
- 2026-05-20 S-1
- 2026-05-15 SCHEDULE 13G/A
- 2026-05-08 10-Q
- 2026-05-01 EFFECT