Transaction #25613 · Form 4 · 0001294939-25-000004
SUTRO BIOPHARMA, INC. · Stock award · Stock Option (right to buy)
SUTRO BIOPHARMA, INC. · Transacted December 23, 2025 · Filed December 29, 2025
What does this filing report?
An SEC Form 4 filing for SUTRO BIOPHARMA, INC. records a stock award involving Stock Option (right to buy) on December 23, 2025. The reported quantity was 1,500. The filing date is December 29, 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
- SUTRO BIOPHARMA, INC.
- Company CIK
- 0001382101
- Security type
- Derivative
- Acquisition type
- Stock award · Code A
- Quantity acquired
- 1,500
- Reported price
- 0
- Reference value
- 0
- Currency
- Currency not specified
- Ownership
- Direct
- Holdings after transaction
- 1,500
- Ownership description
- Not reported
- SEC acceptance time
- Dec 29, 2025, 5:05 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
- Petree Daniel H ↗
Director
CIK 0001294939
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
- 1,500
- Conversion / exercise price
- 10.38
- Exercise date
- Not reported
- Expiration date
- December 23, 2035
Filing footnotes & remarks
- F1
- The option shall vest as to 16.67% of the total award monthly, subject to the reporting person's continued service to the issuer on each vesting date, with the first tranche vesting on January 23, 2026.
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.