SCHMITZ WILLIAM MARK

PrivateCIK: 1409378
Location

BERKELEY, CA

InsiderSCHMITZ WILLIAM MARKCIK 1409378
IssuerDEEP FISSION, INC.CIK 1918102
Officer· Chief Financial Officer
Since Feb 2026
+15K
Net shares
Net buyer
$0.00
Total acquired
0
Open market trades
0B · 0S
1
Total transactions
15K acquired
Non-Derivative Transactions0
No non-derivative transactions reported
Derivative Transactions1

Employee Stock Option (right to buy)

Direct
A · Award
Converts to

Common Stock

15K shares

Shares

+15K

Strike price

15

Held after

15K

Exercisable

2/18/2026
SCHMITZ WILLIAM MARK — Insider Transaction (Form 4) Filed Feb 23, 2026 | Finecho