Insider Transactions in Q4 2025 at Sutro Biopharma, Inc. (STRO)
Insider Transaction List (Q4 2025)
| Date | Insider | Transaction | Ownership Type | Shares Traded | Value / Price |
|---|---|---|---|---|---|
|
Dec 12
2025
|
Jane Chung Chief Executive Officer |
SELL
Payment of exercise price or tax liability
|
Direct |
894
-6.05%
|
$7,152
$8.02 P/Share
|
|
Dec 12
2025
|
Jane Chung Chief Executive Officer |
BUY
Exercise of conversion of derivative security
|
Direct |
2,500
+14.46%
|
-
|
|
Oct 15
2025
|
Connie Matsui |
BUY
Open market or private purchase
|
Direct |
50,000
+50.0%
|
$0
$0.8 P/Share
|
|
Oct 15
2025
|
Jane Chung Chief Executive Officer |
BUY
Open market or private purchase
|
Direct |
12,500
+9.24%
|
$0
$0.8 P/Share
|
|
Oct 15
2025
|
Gregory K. Chow CFO |
BUY
Open market or private purchase
|
Direct |
19,750
+50.0%
|
$0
$0.81 P/Share
|
|
Oct 15
2025
|
Hans Peter Gerber CHIEF SCIENTIFIC OFFICER |
BUY
Open market or private purchase
|
Direct |
17,000
+19.14%
|
$0
$0.8 P/Share
|
|
Oct 15
2025
|
David Pauling Chief Admin. Ofcr. & GC |
BUY
Open market or private purchase
|
Direct |
12,504
+14.84%
|
$0
$0.8 P/Share
|