GERBER HANS-PETER (CHIEF SCIENTIFIC 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: 9/22/2025ACC: 0001992979-25-000003
Officer· CHIEF SCIENTIFIC OFFICER
Since Mar 2026
-13.42K
Net shares
Net seller
$12.1K
Total sold
0
Open market trades
0B · 0S
3
Total transactions
37.50K acquired · 50.92K disposed
Non-Derivative Transactions2
Common Stock
Direct
Shares
+37.50K
Price / share
—
Trade value
—
% of position
122.0%
9/18/2025
30.75K→68.25K
Common Stock
Direct
Shares
−13.42K
Price / share
$0.90
Trade value
$12.08K
% of position
19.7%
9/18/2025
68.25K→54.83K
Total
Net shares
+24.08K
Net value
-$12.08K
| Security | Date | Type | Shares | Price / Share | Trade Value | % of Position | Held Before | Held After |
|---|---|---|---|---|---|---|---|---|
| Common Stock Direct | 9/18/2025 | M · Option Exercise | +37.50K | — | — | 122.0% | 30.75K | 68.25K |
| Common Stock Direct | 9/18/2025 | F · Tax Withholding | −13.42K | $0.90 | $12.08K | 19.7% | 68.25K | 54.83K |
| Total | +24.08K | -$12.08K | ||||||
Derivative Transactions1
Restricted Stock Units (RSUs)
Direct
Converts to
Common Stock
37.50K shares
Shares
−37.50K
Strike price
Held after
75K
Exercisable
—
9/18/2025
| Security | Converts To | Date | Type | Shares | Strike Price | Exercisable | Held After |
|---|---|---|---|---|---|---|---|
| Restricted Stock Units (RSUs) Direct | Common Stock37.50K shares | 9/18/2025 | M · Option Exercise | −37.50K | — | 75K |