CHOW GREGORY K.

PrivateCIK: 1761333
Location

SOUTH SAN FRANCISCO, CA

InsiderCHOW GREGORY K.CIK 1761333
IssuerSUTRO BIOPHARMA, INC.CIK 1382101
Officer· CFO
Since Mar 2026
+45K
Net shares
Net buyer
$0.00
Total acquired
0
Open market trades
0B · 0S
2
Total transactions
45K acquired
Non-Derivative Transactions0
No non-derivative transactions reported
Derivative Transactions2

Stock Option (right to buy)

Direct
A · Award
Converts to

Common Stock

40K shares

Shares

+40K

Strike price

20.55

Held after

40K

Exercisable

3/2/2026

Restricted Stock Units (RSUs)

Direct
A · Award
Converts to

Common Stock

5K shares

Shares

+5K

Strike price

Held after

5K

Exercisable

3/2/2026
CHOW GREGORY K. — Insider Transaction (Form 4) Filed Mar 3, 2026 | Finecho