# Deep Fission, Inc.: Form S-1/A, filed Jun 10, 2026

- Company: [Deep Fission, Inc.](/companies/fisn.md) (CIK 1918102)
- Form: S-1/A
- Filed: 2026-06-10
- Accepted by EDGAR: Jun 10, 2026, 15:07 ET
- Period: not reported
- Accession: 0001104659-26-072286
- Inline XBRL: no
- Main document: https://www.sec.gov/Archives/edgar/data/1918102/000110465926072286/tm2612179-5_s1a.htm
- All documents and exhibits: https://www.sec.gov/Archives/edgar/data/1918102/000110465926072286/

## Sections

Sections are extracted only from 10-K and 10-Q reports. Read this filing’s documents on sec.gov. https://www.sec.gov/Archives/edgar/data/1918102/000110465926072286/tm2612179-5_s1a.htm

Filed Jun 10, 2026.
Source: SEC EDGAR, the filing index for accession 0001104659-26-072286. Last ingested by Listed: Nov 4, 2026, 19:30 ET. No prices; not investment advice.