Form 4 for MCRB Seres Therapeutics, Inc.

Accepted 2022-07-07 00:00:00 ET · period of report 2022-07-05 · accession 0000899243-22-025721 · SEC index · Original document

Summary rows

Aggregated the way they appear in lists: one row per insider, transaction code and security table.

X	Filed	Traded	Ticker	Insider	Title	Type	Price	Qty	Owned	ΔOwn	Value
MI	2022-07-07	2022-07-05	MCRB	AFEYAN NOUBAR	10%	P - Purchase	$3.15	+8.74M	5.88M	New	+$27.53M

Purchase Sale Sale after option exercise All abbreviations

#	Table	Security	Date	Code	A/D	Shares	Price	Owned after	Own	Exercise / expiry	Underlying	Footnotes
1	Common	Common Stock	2022-07-05	P	A	5,825,495	$3.15	5,825,495	I By Flagship Pioneering Fund VII, L.P.	—	—	(F3) Shares held by Flagship Fund VII. Flagship Pioneering Fund VII General Partner LLC ("Flagship Fund VII GP") is the general partner of Flagship Fund VII. Flagship Pioneering, Inc. ("Flagship Pioneering") is the manager of Flagship Fund VII GP. Dr. Afeyan is the Chief Executive Officer, sole shareholder and director of Flagship Pioneering. Each of the reporting persons disclaims beneficial ownership of such shares except to the extent of his or its pecuniary interest therein.
2	Common	Common Stock	2022-07-05	P	A	2,912,748	$3.15	5,875,711	I By Nutritional Health LTP Fund, L.P.	—	—	(F2) Shares 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. ("Dr. Afeyan") is the sole member and manager of Nutritional LTP GP. Each of the reporting persons except for Nutritional LTP disclaims beneficial ownership of such shares except to the extent of his or its pecuniary interest therein.