CHUNG JANE (Chief Commercial Officer) purchased 11.3% of their position (12.50K shares) of SUTRO BIOPHARMA, INC. on the open market
Open‑market purchase worth $10.0K — a moderate purchase. The strongest form of insider conviction signal.
P · 1 purchase
Filed: 10/16/2025ACC: 0001872398-25-000004
Officer· Chief Commercial Officer
Since Aug 2021
+12.50K
Net shares
Net buyer
$10.0K
Total acquired
1
Open market trades
1B · 0S
1
Total transactions
12.50K acquired
Non-Derivative Transactions1
Common Stock
Direct
Shares
+12.50K
Price / share
$0.80
Trade value
$10.01K
% of position
11.3%
10/15/2025
110.35K→122.85K
Total
Net shares
+12.50K
Net value
$10.01K
| Security | Date | Type | Shares | Price / Share | Trade Value | % of Position | Held Before | Held After |
|---|---|---|---|---|---|---|---|---|
| Common Stock Direct | 10/15/2025 | P · Purchase | +12.50K | $0.80 | $10.01K | 11.3% | 110.35K | 122.85K |
| Total | +12.50K | $10.01K | ||||||
Derivative Transactions0
No derivative transactions reported