Michael Allen Brasel - 07 Nov 2025 Form 4 Insider Report for DEEP FISSION, INC.

Role
Officer
Signature
/s/ Michael Brasel
Issuer symbol
N/A
Transactions as of
07 Nov 2025
Net transactions value
$0
Form type
4
Filing time
07 Jan 2026, 10:19:36 UTC
Next filing
24 Feb 2026
SEC
View on sec.gov

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Brasel Michael Allen Officer C/O DEEP FISSION INC., 2831 GARBER STREET, BERKELEY /s/ Michael Brasel 07 Jan 2026 0002103077

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 +70,000 $0.000000 70,000 07 Nov 2025 Common Stock 70,000 $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:

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