Company facts
- Industry
- Electric Services
- Headquarters
- Berkeley, California
- Most recent report
- 8-K, filed Sep 21, 2026
- Incorporated
- Delaware
- Filings on record
- 120 filings
- On EDGAR
- CIK 1918102
- Fiscal year ends
- December
- Filer status
- Emerging growth company
Financials 8 of 18
News 8 of 18
- 8-K Current report on a material event Sep 21, 2026
- 8-K Other events Jul 29, 2026
- 8-K Leadership change Jul 17, 2026
- 8-K Other events Jun 22, 2026
- 8-K Current report on a material event Apr 22, 2026
- 8-K Current report on a material event Apr 9, 2026
- 8-K Current report on a material event Mar 5, 2026
- 8-K Leadership change Feb 25, 2026
Prospectuses and Registrations 8 of 16
- S-8 Registration statement for an employee plan Jul 20, 2026
- 424B4 Final prospectus for an offering Jun 18, 2026
- S-1/A Registration statement for an offering, amended Jun 10, 2026
- S-1 Registration statement for an offering May 20, 2026
- 424B3 Prospectus supplement for an offering May 1, 2026
- 424B3 Prospectus supplement for an offering May 1, 2026
- S-1/A Registration statement for an offering, amended Apr 21, 2026
- POS AM Post-effective amendment to a registration Apr 21, 2026
Proxies 1
Ownership 8 of 51
- 4 Insider reported a trade Jul 27, 2026
- 4 Insider reported a trade Jul 27, 2026
- 4 Insider reported a trade Jul 27, 2026
- 4 Insider reported a trade Jul 27, 2026
- SCHEDULE 13G/A Large holder reported a passive stake, amended May 15, 2026
- 3/A Insider reported their initial holding, amended Apr 29, 2026
- 4 Insider reported a trade Mar 10, 2026
- 4 Insider reported a trade Mar 10, 2026
Other 8 of 16
- EFFECT Notice that a registration became effective Jun 17, 2026
- CERT Exchange certified a listing Jun 17, 2026
- 8-A12B Registration of a security for exchange listing May 28, 2026
- EFFECT Notice that a registration became effective May 1, 2026
- EFFECT Notice that a registration became effective May 1, 2026
- CORRESP Reply to SEC staff Apr 29, 2026
- DRS Draft registration statement, submitted confidentially Apr 22, 2026
- NT 10-K Notice that an annual report will be late Mar 31, 2026
Everything here comes from Deep Fission, Inc.'s own filings on SEC EDGAR. The filing list is rechecked every hour.