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DEEP FISSION, INC.

FISN

Built from DEEP FISSION, INC.'s own SEC filings · updates as new filings land · sources cited throughout

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The read at a glance

Computed from the FY2025 annual filing. Full history and the components behind each score are in the app.

    Leadership changes

    From DEEP FISSION, INC.'s own filings, the day they're filed.

    • Deep Fission · President · appointmenteff. 2026-02-19
    • Leslie Goldman Tepper · directors · appointmenteff. 2025-11-07
    • Richard A. Muller · Chief Technology Officer · departureeff. 2025-11-07

    Latest filings

    • 10-Q · Quarterly report2026-08-03
    • 8-K · Company announcement2026-07-29
    • 8-K · Company announcement2026-07-17
    • 8-K · Company announcement2026-06-22
    • DEF 14A · Annual proxy (pay & governance)2026-06-17
    In the full recordFree for 14 days
    • The filings, readable — with what changed vs the prior year highlighted🔒
    • Full financial statements, industry-aware, sources cited throughout🔒
    • Forensic score history & components — the trend, not one year🔒
    • Ownership: insider buys/sells, clusters, activist stakes🔒
    • Ana — ask about DEEP FISSION, INC., every answer cited to the official filings🔒
    • The Intelligence Brief — added when DEEP FISSION, INC.'s brief passes our SEC-figure check🔒

    Every figure comes from the company's filings, and analysis whose figures don't match SEC data is rejected before publication.

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