MCRBNasdaq

Seres Therapeutics, Inc.

Alert me on MCRB

Insider buys, 6 months

Congress trades, 6 months

Signals, 6 months

Six months

After each filing

Aug 19 Sale Henn Matthew R Insider

1 week

+1.7%S&P −0.4%

1 month

−14.5%S&P −0.7%

3 months

Result in6 trading days

6 months

Result in69 trading days

Aug 19 Sale DesRosier Thomas Insider

1 week

+1.7%S&P −0.4%

1 month

−14.5%S&P −0.7%

3 months

Result in6 trading days

6 months

Result in69 trading days

Aug 19 Sale Shaff Eric D. Insider

1 week

+1.7%S&P −0.4%

1 month

−14.5%S&P −0.7%

3 months

Result in6 trading days

6 months

Result in69 trading days

Aug 19 Sale Brady Kelly Insider

1 week

+1.7%S&P −0.4%

1 month

−14.5%S&P −0.7%

3 months

Result in6 trading days

6 months

Result in69 trading days

May 20 Sale DesRosier Thomas Insider

1 week

−1.0%S&P +1.8%

1 month

−13.8%S&P +0.7%

3 months

−40.3%S&P +3.1%

6 months

Result in7 trading days

Show all 16

May 20 Sale Shaff Eric D. Insider

1 week

−1.0%S&P +1.8%

1 month

−13.8%S&P +0.7%

3 months

−40.3%S&P +3.1%

6 months

Result in7 trading days

May 20 Sale Henn Matthew R Insider

1 week

−1.0%S&P +1.8%

1 month

−13.8%S&P +0.7%

3 months

−40.3%S&P +3.1%

6 months

Result in7 trading days

May 20 Sale Brady Kelly Insider

1 week

−1.0%S&P +1.8%

1 month

−13.8%S&P +0.7%

3 months

−40.3%S&P +3.1%

6 months

Result in7 trading days

Feb 19 Sale Young Teresa L. Insider

1 week

+1.6%S&P +0.7%

1 month

−2.7%S&P −5.0%

3 months

−12.4%S&P +8.6%

6 months

−47.7%S&P +12.0%

Feb 19 Sale Henn Matthew R Insider

1 week

+1.6%S&P +0.7%

1 month

−2.7%S&P −5.0%

3 months

−12.4%S&P +8.6%

6 months

−47.7%S&P +12.0%

Feb 19 Sale Shaff Eric D. Insider

1 week

+1.6%S&P +0.7%

1 month

−2.7%S&P −5.0%

3 months

−12.4%S&P +8.6%

6 months

−47.7%S&P +12.0%

Feb 19 Sale DesRosier Thomas Insider

1 week

+1.6%S&P +0.7%

1 month

−2.7%S&P −5.0%

3 months

−12.4%S&P +8.6%

6 months

−47.7%S&P +12.0%

Nov 19, 2025 Sale Shaff Eric D. Insider

1 week

−41.1%S&P +2.6%

1 month

−47.7%S&P +3.0%

3 months

−71.5%S&P +3.3%

6 months

−72.3%S&P +13.2%

Nov 19, 2025 Sale Young Teresa L. Insider

1 week

−41.1%S&P +2.6%

1 month

−47.7%S&P +3.0%

3 months

−71.5%S&P +3.3%

6 months

−72.3%S&P +13.2%

Nov 19, 2025 Sale DesRosier Thomas Insider

1 week

−41.1%S&P +2.6%

1 month

−47.7%S&P +3.0%

3 months

−71.5%S&P +3.3%

6 months

−72.3%S&P +13.2%

Nov 19, 2025 Sale Henn Matthew R Insider

1 week

−41.1%S&P +2.6%

1 month

−47.7%S&P +3.0%

3 months

−71.5%S&P +3.3%

6 months

−72.3%S&P +13.2%

Every purchase and sale on this ticker reported by a member of Congress or an insider, measured from the close of the first trading day after it became public to the close 1 week, 1 month, 3 months and 6 months later, each beside the S&P over the same days.

Filings for MCRB

40 held · newest 540 held · newest 2

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See all 40 filings for MCRB

Aeon news and offers by email

New sources, new features and offers like our founding price. A few times a month at most. Stop any time.

Government contracts, last 12 months

Awards of $10M and up, from USAspending · context, not a signal

No contracts of $10M or more in the last 12 months.

Lobbying

Last four quarters

No lobbying reports on file.