Daniel H. Petree - Feb 8, 2022 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
Feb 8, 2022
Transactions value $
$72,564
Form type
4
Date filed
2/9/2022, 05:28 PM
Previous filing
Jun 7, 2021
Next filing
Jun 8, 2022

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction STRO Common Stock Options Exercise $19.8K +4.55K +56.9% $4.36 12.5K Feb 8, 2022 Direct
transaction STRO Common Stock Options Exercise $11.4K +2.62K +20.88% $4.36 15.2K Feb 8, 2022 Direct
transaction STRO Common Stock Options Exercise $3.36K +578 +3.82% $5.81 15.7K Feb 8, 2022 Direct
transaction STRO Common Stock Options Exercise $5.07K +873 +5.55% $5.81 16.6K Feb 8, 2022 Direct
transaction STRO Common Stock Options Exercise $12.3K +2.12K +12.79% $5.81 18.7K Feb 8, 2022 Direct
transaction STRO Common Stock Options Exercise $20.6K +3.54K +18.91% $5.81 22.3K Feb 8, 2022 Direct
holding STRO Common Stock 192 Feb 8, 2022 Daniel H. Petree and Susan Toeniskoetter Trust dated July 25, 1997 F1

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 -4.55K -100% $0.00* 0 Feb 8, 2022 Common Stock 4.55K $4.36 Direct F2
transaction STRO Stock Option (right to buy) Options Exercise $0 -2.62K -100% $0.00* 0 Feb 8, 2022 Common Stock 2.62K $4.36 Direct F2
transaction STRO Stock Option (right to buy) Options Exercise $0 -578 -100% $0.00* 0 Feb 8, 2022 Common Stock 578 $5.81 Direct F2
transaction STRO Stock Option (right to buy) Options Exercise $0 -873 -100% $0.00* 0 Feb 8, 2022 Common Stock 873 $5.81 Direct F2
transaction STRO Stock Option Options Exercise $0 -2.12K -100% $0.00* 0 Feb 8, 2022 Common Stock 2.12K $5.81 Direct F2
transaction STRO Stock Option Options Exercise $0 -3.54K -100% $0.00* 0 Feb 8, 2022 Common Stock 3.54K $5.81 Direct F2
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 These securities are held of record by the reporting person and his spouse as trustees of the Daniel H. Petree and Susan M. Toeniskoetter Trust dated July 25, 1997.
F2 The option is fully vested and exercisable.