Form 4 holding
Director
DEEP FISSION, INC.
- Security class
- Common Stock
- Shares / value
- 133,996
- Estimated value
- $1,479,316
- Report date
- 28 Apr 2026
- Price
- $11.04
- Ownership
- By Bella AJT Holdings LLC
Leslie Goldman Tepper - Director at DEEP FISSION, INC.
Issuer-level insider activity
- Role
- Director
- Issuer ticker
- FISN on Nasdaq
- Entity type
- Individual
- Source filing history
- Open source filing history
Identity
Names, identifiers, and filing context for this profile.
1 identity field
Source evidence
Original filing metadata and source links for verification.
1 source field
No buys or sells have been reported by Leslie Goldman Tepper since 05 Sep 2025
Reported holdings for Leslie Goldman Tepper in DEEP FISSION, INC.
Form 4 holding
Director
DEEP FISSION, INC.
- Security class
- Restricted Stock Units
- Shares / value
- 100,000
- Estimated value
- Report date
- 12 Nov 2025
- Price
- Ownership
- Direct
- Underlying class
- Common Stock
- Underlying amount
Form 4 holding
Director
DEEP FISSION, INC.
- Security class
- Restricted Stock Unit
- Shares / value
- 19,204
- Estimated value
- Report date
- 23 Jul 2026
- Price
- Ownership
- Direct
- Underlying class
- Common Stock
- Underlying amount
Transaction history for Leslie Goldman Tepper in DEEP FISSION, INC.
| Sym | Class | Transaction | % | SEC-reported value | SEC-reported price | Shares | Shares after | Date | Ownership |
|---|
* marks a reported price that did not pass the local price check.