CHUNG JANE

PrivateCIK: 1872398
Location

SOUTH SAN FRANCISCO, CA

CHUNG JANE (Chief Commercial Officer) exercised options at SUTRO BIOPHARMA, INC.

Option exercise — a mechanical event triggered by vesting or expiry. Not a discretionary conviction trade.

M · 2 exercises
InsiderCHUNG JANECIK 1872398
IssuerSUTRO BIOPHARMA, INC.CIK 1382101
Officer· Chief Commercial Officer
Since Aug 2021
-9.45K
Net shares
Net seller
$15.0K
Total sold
0
Open market trades
0B · 0S
5
Total transactions
31.88K acquired · 41.33K disposed
Non-Derivative Transactions3

Common Stock

Direct
M · Option Exercise

Shares

+6.88K

Price / share

Trade value

% of position

9.8%
3/1/2025
70.34K77.22K

Common Stock

Direct
M · Option Exercise

Shares

+25K

Price / share

Trade value

% of position

32.4%
3/1/2025
77.22K102.22K

Common Stock

Direct
F · Tax Withholding

Shares

9.45K

Price / share

$1.59

Trade value

$15.03K

% of position

9.2%
3/1/2025
102.22K92.77K
Total

Net shares

+22.43K

Net value

-$15.03K

Derivative Transactions2

Restricted Stock Unit (RSU)

Direct
M · Option Exercise
Converts to

Common Stock

6.88K shares

Shares

6.88K

Strike price

Held after

13.75K

Exercisable

3/1/2025

Restricted Stock Unit (RSU)

Direct
M · Option Exercise
Converts to

Common Stock

25K shares

Shares

25K

Strike price

Held after

75K

Exercisable

3/1/2025