Schmitz William Mark
SEC insider (Form 3/4/5 filer). CIK 0001409378. Chief Financial Officer at DEEP FISSION, INC. (NONE). 3 reported Form 4/5 transactions since Sep 2024; latest on Mar 9, 2026. Located in BERKELEY, CA.
Companies Schmitz William Mark has filed insider reports for
- DEEP FISSION, INC. (NONE): Officer, Chief Financial Officer
Schmitz William Mark
CIK: 0001409378
Transaction Breakdown
Open Market Buys (P)0 (0.0%)
High conviction signal
Open Market Sales (S)0 (0.0%)
Position reduction
Option Exercises (M)0 (0.0%)
Derivative conversions
Awards (A)3 (100.0%)
Compensation grants
Other (G, F, J, C, D, …)0 (0.0%)
Gifts, tax withholding, conversions, dispositions to the issuer and other codes
Companies & Roles (1)
NONE
DEEP FISSION, INC.
Officer
Discretionary Trading P&L
Holdings
Transaction History (3 total)
- Mar 9, 2026No ticker
DEEP FISSION, INC.
AwardDirectEmployee Stock Option (right to buy)
223K shares- - Feb 18, 2026No ticker
DEEP FISSION, INC.
AwardDirectEmployee Stock Option (right to buy)
15K shares- - Sep 5, 2025No ticker
DEEP FISSION, INC.
AwardDirect103.9K shares-
| Type | Shares | Price | Ownership | |||
|---|---|---|---|---|---|---|
| Mar 9, 2026 | No ticker DEEP FISSION, INC. | Award Employee Stock Option (right to buy) | 223,000 | - | - | Direct |
| Feb 18, 2026 | No ticker DEEP FISSION, INC. | Award Employee Stock Option (right to buy) | 15,000 | - | - | Direct |
| Sep 5, 2025 | No ticker DEEP FISSION, INC. | Award | 103,928 | - | - | Direct |
1-3 of 3 transactions