secwatch / observer
8-K filed April 9, 2026, 7:59 PM ET ticker FISN CIK 0001918102
regulatory confidence medium sentiment negative materiality 0.85

DEEP FISSION, INC. (FISN): auditor change — Deep Fission restates financials due to SAFE and stock-comp valuation errors

DEEP FISSION, INC.

Key facts

Extracted from this filing and checked against the source text.

Auditor Changes SEC 8-K Item 4.01/4.02 confidence 0.9

DEEP FISSION, INC. reported that prior financial statements should not be relied upon.

Action
non reliance
Auditor
Grant Thornton LLP
Exact text from the filing
On April 9, 2026, the Board of Directors (the “Board”) of Deep Fission, Inc. (the “Company”), in consultation with management, concluded that the following previously issued consolidated financial statements of the Company for which the Company is required to provide financial statements under Regulation S-X (and any related financial information, including that included in press releases, shareholder communications, investor presentations or other materials describing relevant portions of such financial statements) should no longer be relied upon because of errors in such financial statements related to valuations of Simple Agreement for Future Equity (“SAFEs”) and Stock-Based Compensation (“SBC”)
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DEEP FISSION, INC. filing history →

Source: SEC EDGAR
accession 0001104659-26-041290
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