Hans-Peter Gerber - 18 Sep 2023 Form 4 Insider Report for SUTRO BIOPHARMA, INC. (STRO)

Role
Chief Scientific Officer
Signature
/s/ Edward C. Albini as attorney-in-fact for Hans-Peter Gerber
Issuer symbol
STRO
Transactions as of
18 Sep 2023
Net transactions value
$0
Form type
4
Filing time
19 Sep 2023, 16:19:27 UTC
Next filing
07 Mar 2024
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 +175,000 $0.000000 175,000 18 Sep 2023 Common Stock 175,000 $3.77 Direct F1
transaction STRO Restricted Stock Unit (RSU) Award $0 +150,000 $0.000000 150,000 18 Sep 2023 Common Stock 150,000 Direct F2, F3
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 25% of the option award vests on September 18, 2024. The remainder vests ratably as to 1/48th of the total award monthly thereafter, 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 RSU award vests annually as to 1/4th of the total award beginning on September 18, 2024, subject to the reporting person's continued service to the Issuer on each vesting date.