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CIK 0001609809 · Non-accelerated filer<br>Smaller reporting company

Seres Therapeutics, Inc.

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Ticker
MCRB
Exchange
Nasdaq
Industry
Pharmaceutical Preparations
FY end
Dec 31
Incorporated
DE
Entity type
operating
EIN
274326290
Phone
617 945 9626
Business address
200 SIDNEY STREET, CAMBRIDGE, MA, 02139
Former names
Seres Therapeutics, Inc., Seres Health, Inc.
Open-market buys, last 90 days
$0
in 0 filings
Open-market sales, last 90 days
$2,230
in 4 filings, $2K under 10b5-1 plans

Net −$2,230. Shares bought or sold at a price by officers, directors and 10% owners (Form 4 codes P and S). Grants, option exercises and tax withholding aren't counted.

Reading 100 more Form 4s from the SEC; this list fills in as they're read.

Date Insider Transaction Shares Price Value Owned after
2025-02-15 Shaff Eric D. CEO and President Option exercise · Restricted Stock Units 10b5-1 −7,813 62,500
2025-02-15 Shaff Eric D. CEO and President Option exercise · Restricted Stock Units 10b5-1 −26,563 79,687
2025-02-15 DesRosier Thomas Chief Legal Officer and EVP Option exercise 10b5-1 +2,657 137,849
2025-02-15 DesRosier Thomas Chief Legal Officer and EVP Option exercise 10b5-1 +8,907 146,756
2025-02-15 DesRosier Thomas Chief Legal Officer and EVP Option exercise · Restricted Stock Units 10b5-1 −2,657 21,250
2025-02-15 DesRosier Thomas Chief Legal Officer and EVP Option exercise · Restricted Stock Units 10b5-1 −8,907 26,718
2025-02-15 von Moltke Lisa See Remarks Option exercise 10b5-1 +2,969 35,384
2025-02-15 von Moltke Lisa See Remarks Option exercise 10b5-1 +8,907 44,291
2025-02-15 von Moltke Lisa See Remarks Option exercise · Restricted Stock Units 10b5-1 −2,969 23,750
2025-02-15 von Moltke Lisa See Remarks Option exercise · Restricted Stock Units 10b5-1 −8,907 26,718
2025-02-07 Thorell Marella See Remarks Grant or award · Stock Option (Right to Buy) +650,000 650,000
2025-02-07 Henn Matthew R. See Remarks Grant or award · Stock Option (Right to Buy) +650,000 650,000
2025-02-07 Young Teresa L. See Remarks Grant or award · Stock Option (Right to Buy) +650,000 650,000
2025-02-07 Shaff Eric D. CEO and President Grant or award · Stock Option (Right to Buy) +1,950,000 1,950,000
2025-02-07 von Moltke Lisa See Remarks Grant or award · Stock Option (Right to Buy) +650,000 650,000
2025-02-07 DesRosier Thomas Chief Legal Officer and EVP Grant or award · Stock Option (Right to Buy) +650,000 650,000
2025-02-04 Woerle Hans-Juergen Director Grant or award · Stock Option (right to buy) +120,000 120,000
2024-11-18 DesRosier Thomas Chief Legal Officer and EVP Sale 10b5-1 −878 $0.54 $475 135,192
2024-11-18 von Moltke Lisa See Remarks Sale 10b5-1 −977 $0.54 $528 32,415
2024-11-18 Young Teresa L. See Remarks Sale 10b5-1 −735 $0.54 $398 90,404

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