Insider Transactions in Q4 2025 at Seres Therapeutics, Inc. (MCRB)
Insider Transaction List (Q4 2025)
| Date | Insider | Transaction | Ownership Type | Shares Traded | Value / Price |
|---|---|---|---|---|---|
|
Nov 15
2025
|
Matthew R. Henn |
SELL
Open market or private sale
|
Direct |
1,257
-14.31%
|
$21,369
$17.3 P/Share
|
|
Nov 15
2025
|
Matthew R. Henn |
BUY
Exercise of conversion of derivative security
|
Direct |
4,236
+11.52%
|
-
|
|
Nov 15
2025
|
Thomas Des Rosier |
SELL
Open market or private sale
|
Direct |
76
-0.99%
|
$1,292
$17.3 P/Share
|
|
Nov 15
2025
|
Thomas Des Rosier |
BUY
Exercise of conversion of derivative security
|
Direct |
244
+1.57%
|
-
|
|
Nov 15
2025
|
Eric D. Shaff |
SELL
Open market or private sale
|
Direct |
217
-1.92%
|
$3,689
$17.3 P/Share
|
|
Nov 15
2025
|
Eric D. Shaff |
BUY
Exercise of conversion of derivative security
|
Direct |
721
+3.13%
|
-
|
|
Nov 15
2025
|
Teresa L. Young |
SELL
Open market or private sale
|
Direct |
1,042
-11.03%
|
$17,714
$17.3 P/Share
|
|
Nov 15
2025
|
Teresa L. Young |
BUY
Exercise of conversion of derivative security
|
Direct |
4,228
+10.89%
|
-
|