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 · 1 exercise
Filed: 8/26/2025ACC: 0001415889-25-023083
Officer· Chief Commercial Officer
Since Aug 2021
-6.71K
Net shares
Net seller
$5.4K
Total sold
0
Open market trades
0B · 0S
3
Total transactions
18.75K acquired · 25.46K disposed
Non-Derivative Transactions2
Common Stock
Direct
Shares
+18.75K
Price / share
—
Trade value
—
% of position
19.1%
8/9/2025
98.31K→117.06K
Common Stock
Direct
Shares
−6.71K
Price / share
$0.80
Trade value
$5.37K
% of position
5.7%
8/9/2025
117.06K→110.35K
Total
Net shares
+12.04K
Net value
-$5.37K
| Security | Date | Type | Shares | Price / Share | Trade Value | % of Position | Held Before | Held After |
|---|---|---|---|---|---|---|---|---|
| Common Stock Direct | 8/9/2025 | M · Option Exercise | +18.75K | — | — | 19.1% | 98.31K | 117.06K |
| Common Stock Direct | 8/9/2025 | F · Tax Withholding | −6.71K | $0.80 | $5.37K | 5.7% | 117.06K | 110.35K |
| Total | +12.04K | -$5.37K | ||||||
Derivative Transactions1
Restricted Stock Unit (RSU)
Direct
Converts to
Common Stock
18.75K shares
Shares
−18.75K
Strike price
Held after
0.00
Exercisable
—
8/9/2025
| Security | Converts To | Date | Type | Shares | Strike Price | Exercisable | Held After |
|---|---|---|---|---|---|---|---|
| Restricted Stock Unit (RSU) Direct | Common Stock18.75K shares | 8/9/2025 | M · Option Exercise | −18.75K | — | 0.00 |