Edward C. Albini - Feb 13, 2023 Form 4 Insider Report for SUTRO BIOPHARMA, INC. (STRO)

Role
CFO and Secretary
Signature
/s/ Edward C. Albini
Stock symbol
STRO
Transactions as of
Feb 13, 2023
Transactions value $
$265,414
Form type
4
Date filed
2/14/2023, 04:12 PM
Previous filing
Jan 31, 2023
Next filing
Mar 7, 2023

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction STRO Common Stock Options Exercise $265K +45.7K +148.81% $5.81 76.4K Feb 13, 2023 Direct

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) Options Exercise $0 -45.7K -100% $0.00* 0 Feb 13, 2023 Common Stock 45.7K $5.81 Direct F1
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 The option is fully vested and exercisable.