MCRB- Seres Therapeutics, Inc.

Name: Seres Therapeutics, Inc. Insider Trading Data
Creator: U.S. Securities and Exchange Commission
License: https://www.sec.gov/privacy#accessibility

Seres Therapeutics, Inc. (MCRB) has 9 insiders with recent SEC Form 4 filings, including 0 buys and 10 sells. MCRB is classified in the Biotechnology industry within the Health Care sector.

Insider Ownership

Role	Insider	Shares	Value	30d
Other	Brady Kelly	56.3K	$434.3K	-
Other	Desrosier Thomas	22.5K	$173.7K	-
Dir	Berenson Stephen	11.5K	$88.5K	-
Dir	Shaff Eric D.	11.0K	$84.9K	-
Dir	Rosiello Robert L.	10.0K	$77.2K	-

Activity

Buys and sells only

Transactions

10 filings

Date	Insider	Role	Type	Shares	Price	Value	Chg%	3M	12M
Nov 15, 2025	Desrosier Thomas68	See Remarks	Sale+OE	76	$17.30	$1,314.80	-1.0%	-49.2%	-
Nov 15, 2025	Henn Matthew R68	See Remarks	Sale+OE	1,257	$17.30	$21,746.10	-14.3%	-49.2%	-
Nov 15, 2025	Young Teresa L.72	See Remarks	Sale+OE	1,042	$17.30	$18,026.60	-11.0%	-49.2%	-
Nov 15, 2025	Shaff Eric D.69	Director	Sale+OE	217	$17.30	$3,754.10	-1.9%	-49.2%	-
Aug 18, 2025	Shaff Eric D.69	Director	Sale+OE	217	$16.65	$3,613.05	-2.0%	+22.3%	-
Aug 18, 2025	Desrosier Thomas68	See Remarks	Sale+OE	76	$16.65	$1,265.40	-1.0%	+22.3%	-
Aug 18, 2025	Henn Matthew R68	See Remarks	Sale+OE	73	$16.65	$1,215.45	-1.6%	+22.3%	-
Aug 18, 2025	Young Teresa L.72	See Remarks	Sale+OE	59	$16.65	$982.35	-1.1%	+22.3%	-
May 16, 2025	Young Teresa L.72	See Remarks	Sale+OE	63	$7.28	$458.64	-1.2%	+126.0%	-
May 16, 2025	Shaff Eric D.69	CEO And President	Sale+OE	220	$7.28	$1,601.60	-2.1%	+126.0%	-

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Insider	Role	Shares	Value	Buys	Sells

Date	Ticker	Insider	Role	Type	Shares	Price	Value	Chg%	SEC