MCRB- Seres Therapeutics, Inc.

Over the past 90 days, insiders at Seres Therapeutics, Inc. (MCRB) have been net sellers, shedding 490 shares worth roughly $2K on balance.

MCRB sits in the Biotechnology industry within the Health Care sector, so this activity is best read against the sector's broader insider trend.

Insider Ownership

Role	Insider	Shares	Value	30d
Other	Kender Richard N	50.0K	-	-
Dir	Shaff Eric D.	12.5K	$56.9K	-
Other	Young Teresa L.	9.3K	-	-
Other	Brady Kelly	8.7K	$39.5K	-
Other	Desrosier Thomas	8.1K	$36.9K	-

Buys and sells only

10 filings

Date	Insider	Role	Type	Shares	Price	Value	Chg%	3M	12M
Aug 17, 2026	Brady Kelly	See Remarks	Sale+OE	64	$4.55	$291.20	-0.7%	-	-
Aug 17, 2026	Desrosier Thomas66	See Remarks	Sale+OE	82	$4.55	$373.10	-1.0%	-	-
Aug 17, 2026	Henn Matthew R66	See Remarks	Sale+OE	81	$4.55	$368.55	-1.0%	-	-
Aug 17, 2026	Shaff Eric D.66	Director	Sale+OE	263	$4.55	$1,196.65	-2.1%	-	-
May 18, 2026	Brady Kelly	See Remarks	Sale+OE	59	$7.53	$444.27	-0.7%	-	-
May 18, 2026	Desrosier Thomas66	See Remarks	Sale+OE	79	$7.53	$594.87	-1.0%	-	-
May 18, 2026	Henn Matthew R66	See Remarks	Sale+OE	77	$7.53	$579.81	-1.0%	-	-
May 18, 2026	Shaff Eric D.66	Director	Sale+OE	259	$7.53	$1,950.27	-2.1%	-	-
Nov 15, 2025	Henn Matthew R66	See Remarks	Sale+OE	1,257	$17.30	$21,746.10	-14.3%	-49.2%	-
Nov 15, 2025	Desrosier Thomas66	See Remarks	Sale+OE	76	$17.30	$1,314.80	-1.0%	-49.2%	-