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Filing Details

Accession Number:
0000899243-19-017640
Form Type:
4
Zero Holdings:
No
Publication Time:
2019-06-20 16:17:26
Reporting Period:
2019-06-18
Accepted Time:
2019-06-20 16:17:26
SEC Url:
Form 4 Filing
Issuer
Cik Name Symbol Sector (SIC) IRS No
1609809 Seres Therapeutics Inc. MCRB () 4
Insiders
Cik Name Reported Address Insider Title Director Officer Large Shareholder Other
1222012 Noubar Afeyan 55 Cambridge Parkway
Cambridge MA 02142
Yes No Yes No
Reported Non-Derivative Transactions
Sec. Name Acquisiton - Disposition Date Amount Price Remaning Holdings Equity Swap Involved Form Type Code Nature of Ownership Explanation
Common Stock Acquisiton 2019-06-18 4,444,444 $2.25 4,444,444 No 4 P Indirect See Footnote
Common Stock Acquisiton 2019-06-18 4,444,444 $2.25 4,444,444 No 4 P Indirect See Footnote
Equity Swap Involved Form Type Code Nature of Ownership Explanation
No 4 P Indirect See Footnote
No 4 P Indirect See Footnote
Reported Non-Derivative Holdings
Sec. Name Remaning Holdings Nature of Ownership Explanation
Common Stock 8,022,420 Indirect See Footnote
Common Stock 1,925,462 Indirect See Footnote
Common Stock 2,734,994 Indirect See Footnote
Common Stock 15,141 Direct
Footnotes
  1. On June 18, 2019, Flagship Pioneering Fund VI, L.P. ("Flagship Fund VI") acquired 4,444,444 shares pursuant to an underwritten public offering of common stock by the issuer (the "Offering").
  2. The shares are held by Flagship Fund VI. Flagship Pioneering Fund VI General Partner LLC ("Fund VI GP") is the general partner of Flagship Fund VI. Flagship Pioneering, Inc. ("Flagship Pioneering") is the manager of Fund VI GP. Noubar B. Afeyan Ph.D. is the CEO and sole shareholder of Flagship Pioneering and may be deemed to have sole voting and investment power with respect to all shares held by Flagship Fund VI. Dr. Afeyan disclaims beneficial ownership of such shares except to the extent of his or its pecuniary interest therein.
  3. On June 18, 2019, Nutritional Health LTP Fund, L.P. ("Nutritional LTP") acquired 4,444,444 shares pursuant to the Offering.
  4. The shares are held by Nutritional LTP. Nutritional Health LTP Fund General Partner LLC ("Nutritional LTP GP") is the general partner of Nutritional LTP. Noubar B. Afeyan Ph.D. is the sole member and manager of Nutritional LTP GP and may be deemed to have sole voting and investment power with respect to all shares held by Nutritional LTP. Dr. Afeyan disclaims beneficial ownership of such shares except to the extent of his or its pecuniary interest therein.
  5. The shares are held directly by Flagship Ventures Fund IV, L.P. ("Flagship Fund IV"). Flagship Ventures Fund IV General Partner LLC ("Flagship Fund IV GP") is the general partner of Flagship Fund IV. Noubar B. Afeyan, Ph.D. and Edwin M. Kania, Jr. are the managers of Flagship Fund IV GP and each of these managers may be deemed to share voting and investment power with respect to all shares held by Flagship Fund IV. While Mr. Kania is retired from Flagship Pioneering, Inc., he continues to serve as a manager of Flagship Fund IV GP. Dr. Afeyan disclaims beneficial ownership of the shares except to the extent of his or its pecuniary interest therein.
  6. The shares are held directly by Flagship Ventures Fund IV-Rx, L.P. ("Flagship IV-Rx"). Flagship Fund IV GP is the general partner of Flagship IV-Rx. Dr. Afeyan disclaims beneficial ownership of the shares except to the extent of his or its pecuniary interest therein.
  7. The shares are held directly by Flagship VentureLabs IV LLC ("VentureLabs IV"). Flagship Fund IV is a member of VentureLabs IV and also serves as its manager. Dr. Afeyan disclaims beneficial ownership of such shares except to the extent of his or its pecuniary interest therein.