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Deep Fission Inc.

Thomas S Glanville (Director) reports FISN insider transactions

4FISNFiled Jul 27, 2026, 1:03 PM ET· Period Jul 23, 2026

About this filing

Deep Fission Inc. (FISN) filed Form 4 (insider transaction) with the SEC on Jul 27, 2026. Form 4 reports a company insider’s trades in the company’s shares.

Key facts

Insider
Thomas S Glanville · Director
DateTransactionSharesPriceValueHeld afterOwnership
Jul 23, 2026A · grantRestricted Stock UnitFootnotes F1+19,156$0.00$0.0019,156Direct
Footnotes
  1. F1 Each restricted stock unit represents a contingent right to receive one share of the Issuer's common stock upon vesting. The units vest on July 20, 2027, provided the holder continues to provide service through the vesting date.

More FISN filings

Not investment advice. Summaries can contain errors; the SEC filing is the official record.