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Investor FAQs

Seres' news, events and other information can be found throughout the pages below.

Investor FAQs

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Where is Seres’ corporate headquarters located?
The Company’s headquarters are located at 215 First Street, Cambridge, MA 02142. The main office number is 617-945-9626.
How is Seres’ stock traded?
Seres is traded on the NASDAQ Global Select Market under the ticker symbol MCRB, and its CUSIP number is 81750R 102.
When did Seres go public?
Seres’ initial public offering (IPO) occurred on June 26, 2015.
When is Seres’ fiscal year-end?
The Company’s fiscal year ends on December 31st.
How can I purchase shares?
Shares can be purchased through a stockbroker of your choice. Seres does not have a direct stock purchase plan.
Who is Seres’ transfer agent?

Communication regarding transfer requirements, lost certificates, and change of address should be directed to:

American Stock Transfer & Trust Company, LLC
6201 15th Avenue
Brooklyn, NY 11219
Who are Seres’ legal counsel and independent auditors?
Legal Counsel: Latham & Watkins LLP
John Hancock Tower
200 Clarendon Street, 27th Floor
Boston, MA 02116

Independent Auditors: PricewaterhouseCoopers LLP
125 High Street
Boston, MA 02110
Where can I view Seres’ latest corporate news releases?
Seres’ press release archives can be viewed on this page.
How can I view documents Seres has filed with the Securities & Exchange Commission (SEC), including Forms 10-K and 10-Q?
Quarterly and annual reports, as well as other SEC filings, can be accessed in the Financial Information section of our Investors & Media webpage or directly from the SEC at
Whom should I contact if I have future questions?
You can submit questions to Seres’ investor relations team by contacting

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