DEEP FISSION INC.

Registrant on federal lobbying filings · filed 2026 to 2026

$0 Income reported

1 Clients represented

3 Filings counted

0 Former members lobbying

Income is the fees this registrant reported being paid to lobby. It also reported $20,000 of in-house lobbying expenses, which is what a registrant files when it lobbies for itself. 1 filing on this record was restated by a later amendment and is left out of every total here. Everything on this page is grouped by the registrant's LDA id (401110906), not by name.

Clients 1

DEEP FISSION INC. $20,000 3 filings

Lobbyists named 1

MEGAN WILLIAMS 1 filing · through 2026 government relations

A lobbyist who previously held a covered government position must disclose it. We flag the ones whose name resolves to a member of Congress and link the ones still in our roster. The revolving door collects them across every firm.

Reported by year 1 year

2026 $20,000 3 filings

Issues lobbied 1

Energy/Nuclear 1

The count is how many filings named that issue area. A filing reports one lump figure covering every issue on it, so the money above cannot be split between them.

Recent filings 4 total

Q3 amendment

DEEP FISSION INC.

3rd Quarter 2026 (July 1 - Sep 30) · $20,000 expenses · posted Oct 21, 2026

View → Q3 report

DEEP FISSION INC. Amended

3rd Quarter 2026 (July 1 - Sep 30) · posted Sep 30, 2026

View → Q2 report

DEEP FISSION INC.

2nd Quarter 2026 (Apr 1 - June 30) · posted Jul 29, 2026

View → Registration

DEEP FISSION INC.

3rd Quarter 2026 (July 1 - Sep 30) · posted Jul 29, 2026

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Filings through October 21, 2026, the newest posted date on this record. Source: federal Lobbying Disclosure Act filings, synced daily. Money is self-reported by the filer and often rounded. Lobbying is legal, disclosed activity.