Transaction #23821 · Form 4 · 0001104659-25-123695
DEEP FISSION, INC. · Stock award · Restricted Stock Unit
DEEP FISSION, INC. · Transacted November 12, 2025 · Filed December 22, 2025
What does this filing report?
An SEC Form 4 filing for DEEP FISSION, INC. records a stock award involving Restricted Stock Unit on November 12, 2025. The reported quantity was 100,000. The filing date is December 22, 2025. This is one transaction record; amounts are not allocated among any joint reporting owners.
The acquisition category describes how securities were received. It does not by itself establish a cash purchase of common stock. Read the transaction code definitionsand the original filing before interpreting the amounts.
Transaction details
- Company
- DEEP FISSION, INC.
- Company CIK
- 0001918102
- Security type
- Derivative
- Acquisition type
- Stock award · Code A
- Quantity acquired
- 100,000
- Reported price
- 0
- Reference value
- 0
- Currency
- Currency not specified
- Ownership
- Direct
- Holdings after transaction
- 100,000
- Ownership description
- Not reported
- SEC acceptance time
- Dec 22, 2025, 3:52 PM EST
- 10b5-1 indication
- Not indicated
Reference value is reported quantity × reported price. It is not a confirmed cash payment or an estimate of a derivative's economic value. A missing currency is not assumed to be USD.
Reporting owners
- GLANVILLE THOMAS S ↗
Director
CIK 0001192319
These are the reporting owners named in the filing. Quantities and amounts are not allocated among co-reporters. Roles reflect this filing, not a current profile.
Company listings
This transaction is not mapped to a specific company listing.
Derivative terms
- Underlying security
- Common Stock
- Underlying quantity
- 100,000
- Conversion / exercise price
- 0
- Exercise date
- May 12, 2026
- Expiration date
- Not reported
Filing footnotes & remarks
- F1
- Each restricted stock unit gives the holder the right to receive one share of the Issuer's common stock upon vesting. The units vest after six months, as long as the holder continues to provide service through the vesting date. After the units vest, the holder may choose to delay receiving the shares until the earlier of a qualifying distribution event or the end of service, as allowed under the Issuer's equity incentive plan.
- F2
- These restricted stock units do not have an expiration date.
Footnotes are reproduced as plain text from the current source filing. For the full context, read the original SEC filing.
This record was updated Eastern Time. This is the stored record update time, not the transaction date. Report a correction.