Jane Chung - 04 Mar 2025 Form 4 Insider Report for SUTRO BIOPHARMA, INC. (STRO)

Role
PRESIDENT AND COO
Signature
/s/ Edward C. Albini as attorney-in-fact for Jane Chung
Issuer symbol
STRO
Transactions as of
04 Mar 2025
Net transactions value
-$3,314
Form type
4
Filing time
06 Mar 2025, 16:06:54 UTC
Previous filing
04 Mar 2025
Next filing
08 Apr 2025
SEC
View on sec.gov

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction STRO Common Stock Options Exercise $0 +7,875 +8.5% $0.000000 100,642 04 Mar 2025 Direct
transaction STRO Common Stock Tax liability $3,314 -2,334 -2.3% $1.42 98,308 04 Mar 2025 Direct 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 Restricted Stock Unit (RSU) Options Exercise $0 -7,875 -50% $0.000000 7,875 04 Mar 2025 Common Stock 7,875 Direct F2, F3
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 Represents the number of shares of Common Stock that have been withheld by the issuer to satisfy its income tax withholding and remittance obligations in connection with the net settlement of restricted stock units; does not represent a sale by the reporting person.
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 4, 2023, subject to continued service through each vesting date.