Barbara Leyman - Jul 8, 2024 Form 4 Insider Report for SUTRO BIOPHARMA, INC. (STRO)

Role
Chief Business Dev. Officer
Signature
/s/ Edward C. Albini as attorney-in-fact for Barbara Leyman
Stock symbol
STRO
Transactions as of
Jul 8, 2024
Transactions value $
$0
Form type
4
Date filed
7/10/2024, 04:11 PM

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 Common Stock) Award $0 +125K $0.00 125K Jul 8, 2024 Common Stock 125K $3.04 Direct F1
transaction STRO Restricted Stock Units (RSUs) Award $0 +100K $0.00 100K Jul 8, 2024 Common Stock 100K Direct F2, F3
* 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 25% of the total award on July 8, 2025, then in equal monthly installments over the following three years, subject to the reporting person's continued service to the issuer on each vesting date.
F2 Each RSU represents a contingent right to receive one (1) share of the Issuer's Common Stock upon settlement.
F3 The RSUs vest as to 1/4th of the total award annually beginning on July 8, 2025, subject to the reporting person's continued service to the issuer through each vesting date.