Jon Marc Wigginton - Jun 6, 2024 Form 4 Insider Report for SUTRO BIOPHARMA, INC. (STRO)

Role
Director
Signature
/s/ Edward C. Albini as attorney-in-fact
Stock symbol
STRO
Transactions as of
Jun 6, 2024
Transactions value $
$0
Form type
4
Date filed
6/10/2024, 04:31 PM
Previous filing
Jun 12, 2023

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Underlying Class Amount Exercise Price Ownership Footnotes
transaction STRO Stock Option (right to buy) Award $0 +35K $0.00 35K Jun 6, 2024 Common Stock 35K $3.76 Direct F1
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 The option vests as to 8.33% of the total award monthly, commencing July 6, 2024, with 100% of the award vested and exercisable on the earlier of the date of the issuer's 2025 annual stockholders meeting or June 6, 2025, subject to the reporting person's provision of service to the issuer on each vesting date.