AlphaYouSTRO: Gerber Hans-Peter discloses securities transactions
By AlphaYouPublished Form 4
Gerber Hans-Peter
Reporting filer
Gerber Hans-Peter reported Exercise or conversion in SUTRO BIOPHARMA, INC.: 3750 units of Common Stock, dated 2026-09-18. The full Form 4 contains 3 transaction entries.
- Disclosed
- Sep 22, 2026
Reported details
3 entries| Security | Owner | Date | Code | Action | Quantity | Price | Following holdings | Reporting delay | Filed terms and references |
|---|---|---|---|---|---|---|---|---|---|
| Common Stock | Gerber Hans-Peter | 2026-09-18 | M | Exercise or conversion | 3750 | 0 | 13,712 | 4 days | Filed terms
|
| Common Stock | Gerber Hans-Peter | 2026-09-18 | F | Tax/exercise withholding | 1345 | 15.34 | 12,367 | 4 days | Filed terms
|
| Restricted Stock Units (RSUs) (derivative) | Gerber Hans-Peter | 2026-09-18 | M | Exercise or conversion | 3750 | 0 | 3,750 | 4 days | Filed terms
|
Common Stock
- Owner
- Gerber Hans-Peter
- Date
- 2026-09-18
- Code
- M
- Action
- Exercise or conversion
- Quantity
- 3750
- Price
- 0
- Following holdings
- 13,712
- Reporting delay
- 4 days
- Filed terms and references
Filed terms
- security Title: Common Stock
- transaction Date: 2026-09-18
- transaction Form Type: 4
- transaction Code: M
- equity Swap Involved: 0
- transaction Shares: 3750
- transaction Price Per Share: 0
- transaction Acquired Disposed Code: A
- shares Owned Following Transaction: 13712
- id: F1
- direct Or Indirect Ownership: D
- nature Of Ownership:
Common Stock
- Owner
- Gerber Hans-Peter
- Date
- 2026-09-18
- Code
- F
- Action
- Tax/exercise withholding
- Quantity
- 1345
- Price
- 15.34
- Following holdings
- 12,367
- Reporting delay
- 4 days
- Filed terms and references
Filed terms
- security Title: Common Stock
- transaction Date: 2026-09-18
- transaction Form Type: 4
- transaction Code: F
- equity Swap Involved: 0
- transaction Shares: 1345
- id: F2
- transaction Price Per Share: 15.34
- transaction Acquired Disposed Code: D
- shares Owned Following Transaction: 12367
- direct Or Indirect Ownership: D
- nature Of Ownership:
Restricted Stock Units (RSUs) (derivative)
- Owner
- Gerber Hans-Peter
- Date
- 2026-09-18
- Code
- M
- Action
- Exercise or conversion
- Quantity
- 3750
- Price
- 0
- Following holdings
- 3,750
- Reporting delay
- 4 days
- Filed terms and references
Filed terms
- security Title: Restricted Stock Units (RSUs)
- id: F3
- transaction Date: 2026-09-18
- transaction Form Type: 4
- transaction Code: M
- equity Swap Involved: 0
- transaction Shares: 3750
- transaction Price Per Share: 0
- transaction Acquired Disposed Code: D
- id: F4
- expiration Date: 2027-09-18
- underlying Security Title: Common Stock
- underlying Security Shares: 3750
- shares Owned Following Transaction: 3750
- direct Or Indirect Ownership: D
- nature Of Ownership:
Purchases, sales, grants and option exercises are different transactions. The reported code identifies the action; it does not establish a motive.
Filing context
- Quantities and prices are shown in the units filed. No trade value is inferred from their product.
- Gerber Hans-Peter: CHIEF SCIENTIFIC OFFICER.
- F1: The reported total includes 444 shares of Common Stock acquired by the reporting person in one or more transactions with the Issuer pursuant to its Employee Stock Purchase Plan, which transactions are exempt pursuant to Rules 16a3(f)(1)(i)(B) and 16b3(c).
- F2: Represents the number of shares of Common Stock that have been withheld by the Issuer to satisfy its income tax withholding and remittance obligations in connection with the net settlement of restricted stock units; does not represent a sale by the reporting person.
- F3: Each RSU represents a contingent right to receive one (1) share of the Issuer's Common Stock upon settlement.
- F4: The RSUs vested or vest as to 1/4 of the total award annually, with the first tranche vested on September 18, 2024, subject to the reporting person's continued service through each vesting date.
Original sources
Prepared automatically from public filing data. Report a correction.