Jane Chung - 09 Aug 2021 Form 4 Insider Report for SUTRO BIOPHARMA, INC. (STRO)

Role
Chief Commercial Officer
Signature
/s/ Edward C. Albini as attorney-in-fact
Issuer symbol
STRO
Transactions as of
09 Aug 2021
Net transactions value
$0
Form type
4
Filing time
11 Aug 2021, 17:21:29 UTC
Next filing
07 Mar 2022
SEC
View on sec.gov

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 +160,000 $0.000000 160,000 09 Aug 2021 Common Stock 160,000 $18.37 Direct F1
transaction STRO Restricted Stock Unit (RSU) Award $0 +75,000 $0.000000 75,000 09 Aug 2021 Common Stock 75,000 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 1/4th of the total shares on August 9, 2022 and then 1/48th of the total shares vest monthly thereafter, with 100% of the total shares vested and exercisable on August 9, 2025, subject to the reporting person's provision of 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 shares annually beginning on August 9, 2022, subject to the reporting person's provision of service to the issuer on each vesting date.