IPOGrid
9062764994
IPO filing research

Deep Fission, Inc.

Pre-IPO issuer

ipo filed CONFIDENTIAL-S1

Deep Fission, Inc. IPO research page with SEC filing history, offering status, deal terms, structured filing extracts, company news, and comparable IPO context. Latest filing: CONFIDENTIAL-S1 on 2026-04-22.

Filing Timeline

SEC EDGAR
CONFIDENTIAL-S1 filed
Confidential registration lead
Deep Fission disclosed in an SEC-filed April 22, 2026 press release that it had confidentially submitted a draft registration statement on Form S-1 for a proposed public offering of common stock.
common stock
Deep Fission provided direct SEC-filed confirmation on April 22, 2026 that it had made a confidential S-1 submission for a proposed common-stock offering.
2026-04-22 · CONFIDENTIAL-917F2AABA0C2B1BF5110
Comparable Deals
Not enough completed IPOs with similar characteristics to show comparables yet.