Insider Transactions in Q3 2025 at Sutro Biopharma, Inc. (STRO)
Insider Transaction List (Q3 2025)
| Date | Insider | Transaction | Ownership Type | Shares Traded | Value / Price |
|---|---|---|---|---|---|
|
Sep 18
2025
|
Hans Peter Gerber CHIEF SCIENTIFIC OFFICER |
SELL
Payment of exercise price or tax liability
|
Direct |
13,417
-19.66%
|
$0
$0.9 P/Share
|
|
Sep 18
2025
|
Hans Peter Gerber CHIEF SCIENTIFIC OFFICER |
BUY
Exercise of conversion of derivative security
|
Direct |
37,500
+35.46%
|
-
|
|
Aug 09
2025
|
Jane Chung Chief Executive Officer |
SELL
Payment of exercise price or tax liability
|
Direct |
6,708
-5.73%
|
$0
$0.8 P/Share
|
|
Aug 09
2025
|
Jane Chung Chief Executive Officer |
BUY
Exercise of conversion of derivative security
|
Direct |
18,750
+13.81%
|
-
|
|
Jul 08
2025
|
Barbara Leyman Chief Business Officer |
SELL
Payment of exercise price or tax liability
|
Direct |
8,944
-35.78%
|
$0
$0.78 P/Share
|
|
Jul 08
2025
|
Barbara Leyman Chief Business Officer |
BUY
Exercise of conversion of derivative security
|
Direct |
25,000
+50.0%
|
-
|