PAULING DAVID (Chief Admin. Ofcr. & GC) purchased 21.1% of their position (12.50K shares) of SUTRO BIOPHARMA, INC. on the open market
Open‑market purchase worth $10.0K — a significant purchase. The strongest form of insider conviction signal.
P · 1 purchase
Filed: 10/16/2025ACC: 0002063633-25-000004
Officer· Chief Admin. Ofcr. & GC
Since Mar 2026
+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
$9.99K
% of position
21.1%
10/15/2025
59.23K→71.74K
Total
Net shares
+12.50K
Net value
$9.99K
| 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 | $9.99K | 21.1% | 59.23K | 71.74K |
| Total | +12.50K | $9.99K | ||||||
Derivative Transactions0
No derivative transactions reported