MCRB

Seres Therapeutics, Inc.

Insider Trades

Actor	Holding Value	Last Transaction	Amount	Transaction Price	Current Price
Brady KellySee Remarks $64k8.6k shares SellMay 18, 2026 $44459 shares $7.53 --
DesRosier ThomasSee Remarks $60k8k shares SellMay 18, 2026 $59579 shares $7.53 --
Henn Matthew R.See Remarks $59k7.8k shares SellMay 18, 2026 $58077 shares $7.53 --
Shaff Eric D.Director $91k12k shares SellMay 18, 2026 $1.9K259 shares $7.53 --
Brady KellySee Remarks --269 shares Grant / ExerciseMay 15, 2026 Disclosure amount unavailable89 shares -- --
Brady KellySee Remarks --639 shares Grant / ExerciseMay 15, 2026 Disclosure amount unavailable91 shares -- --