CHOW GREGORY K.

PrivateCIK: 1761333
Location

SOUTH SAN FRANCISCO, CA

CHOW GREGORY K. (CFO) purchased 19.75K shares of SUTRO BIOPHARMA, INC. on the open market

Open‑market purchase worth $16.0K. The strongest form of insider conviction signal.

P · 1 purchase
InsiderCHOW GREGORY K.CIK 1761333
IssuerSUTRO BIOPHARMA, INC.CIK 1382101
Officer· CFO
Since Mar 2026
+19.75K
Net shares
Net buyer
$16.0K
Total acquired
1
Open market trades
1B · 0S
1
Total transactions
19.75K acquired
Non-Derivative Transactions1

Common Stock

Direct
P · Purchase

Shares

+19.75K

Price / share

$0.81

Trade value

$16K

% of position

New position
10/15/2025
0.0019.75K
Total

Net shares

+19.75K

Net value

$16K

Derivative Transactions0
No derivative transactions reported
CHOW GREGORY K. — Insider Transaction (Form 4) Filed Oct 16, 2025 | Finecho