DEEP FISSION, INC. filed a Form D with the Securities and Exchange Commission on 2025-09-23.
DEEP FISSION, INC. filed a Form D notice of an exempt securities offering with the SEC on September 23, 2025. The filing reports $30M sold. Its industry group is Other Energy. It names Elizabeth Muller (Executive Officer, Director), Richard Muller (Executive Officer, Director), William Schmitz (Executive Officer) (SEC Form D, September 23, 2025).
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New Form D on file · 2025-09-23 · the record
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What the filing shows about DEEP FISSION, INC.
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The filing gives DEEP FISSION, INC.'s address as 2831 Garber Street, Berkeley, CA 94705.
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This is the company's own disclosure. A payment disclosed on a Form D is a disclosed use of proceeds, not a finding of wrongdoing.
DEEP FISSION, INC. is a registered filer with the SEC (CIK 1918102) and has filed since 2025-09-23. 3 filings are on record, the latest on 2026-02-18.
A filing shows the company exists and what it reports about itself. It is not an audit or a rating.
DEEP FISSION, INC.'s Form D of 2025-09-23 names Elizabeth Muller, Richard Muller and William Schmitz as its officers, directors or promoters.
Its new offerings report $110M sold across 2 offerings, as its own filings state.
Each marker is one filing. The larger marker is the filing this page is about.
Trailing twelve months. 276 filings in Other Energy, totalled by week.
Elizabeth Muller is named as Executive Officer and Director on the Form D that DEEP FISSION, INC. filed with the SEC on 23 September 2025, one of 3 people that filing names.
Richard Muller is named as Executive Officer and Director on the Form D that DEEP FISSION, INC. filed with the SEC on 23 September 2025, one of 3 people that filing names.
William Schmitz is named as Executive Officer on the Form D that DEEP FISSION, INC. filed with the SEC on 23 September 2025, one of 3 people that filing names.
3 people named on the filing — 3 holding an executive role.
Named as of the 2025-09-23 filing. Titles and locations are exactly as the filing states — not independently confirmed elsewhere.
No investor is drawn from a Form D — the form states how many invested and never who.
What the filing shows about DEEP FISSION, INC.
Only in the Full Report: Who Runs It, And How To Reach Them · Warning Bells · Who Pays Them, And Who They Are Up Against.
Example from a real report (our sample on Target): “In March 2026, Target announced a planned incremental $1 billion operating investment” Source: Target Corporation (press release)
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