Jonathan Gordon - Nov 7, 2025 Form 4 Insider Report for DEEP FISSION, INC.

Role
Officer
Signature
/s/ Jonathan Gordon
Transactions as of
Nov 7, 2025
Transactions value $
$0
Form type
4
Date filed
12/4/2025, 12:33 PM
SEC
View on sec.gov

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Gordon Jonathan H Officer C/O DEEP FISSION INC., 2831 GARBER STREET, BERKELEY /s/ Jonathan Gordon 2025-12-04 0002099110

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Underlying Class Amount Exercise Price Ownership Footnotes
transaction Employee Stock Option (right to buy) Award $0 +85K $0.00 85K Nov 7, 2025 Common Stock 85K $2.73 Direct F1
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 Date at which first vesting occurs is indicated. One-fourth of the total number of options to purchase the Company's common stock vests on the first vesting date shown and an additional one-thirty sixth on each month thereafter until fully vested.

Remarks:

General Counsel & Secretary (Section 16 Officer). Represents the grant of an employee stock option approved by the Issuer's Compensation Committee pursuant to Rule 16b-3.