Home / Auditor changes / DEEP FISSION, INC.

4/5DEEP FISSION, INC. (FISN): Auditor change

Filed 2026-03-05 路 Form 8-K 路 Accession 0001104659-26-023876 micro

Market data

Price before filing: n/a (n/a close, split/dividend-adjusted)
Market cap at flag: n/a 路 Latest: $190.1M (2026-10-16)

What happened next

WindowFISNSPYvs SPY
30 daysn/an/an/a
90 daysn/an/an/a
180 daysn/an/an/a

Return from the last close before the filing date to the first close on/after the window end. Pending windows have not fully elapsed. Past performance says nothing certain about the future.

Verified excerpt

"(the "Company") approved the engagement of Grant Thornton LLP ("Grant Thornton") as the Company's independent registered public accounting firm to audit the Company's consolidated financial statements for the fiscal years ended December 31, 2024 and 2025."

Quoted from the filing. Source

What this means

The company changed its outside auditor (8-K Item 4.01). A dismissal or resignation, especially near an annual report or with reported disagreements, is a warning sign. Changes caused by audit firms merging are usually routine.

Type: changed
Disagreements reported: no
New auditor: Grant Thornton LLP

Why this score: also within 90 days: Going-concern doubt, Non-reliance / restatement

Read the original filing on SEC.gov →

Not investment advice. Automated summary; verify against the filing.

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