Anne Borgman - Mar 5, 2024 Form 4 Insider Report for SUTRO BIOPHARMA, INC. (STRO)

Role
CHIEF MEDICAL OFFICER
Signature
/s/ Edward C. Albini as attorney-in-fact for Anne E. Borgman
Stock symbol
STRO
Transactions as of
Mar 5, 2024
Transactions value $
$0
Form type
4
Date filed
3/7/2024, 04:24 PM
Previous filing
Mar 4, 2024
Next filing
May 23, 2024

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 +60K $0.00 60K Mar 5, 2024 Common Stock 60K $4.54 Direct F1
transaction STRO Restricted Stock Units (RSUs) Award $0 +45K $0.00 45K Mar 5, 2024 Common Stock 45K 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 2.0833% of the total award monthly, beginning on April 1, 2024, with 100% of the award being vested and exercisable on March 1, 2028, 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 March 1, 2025, subject to continued service through each vesting date.