Seres Therapeutics Inc (MCRB)

Healthcare Pharmaceuticals & Medical Research Biotechnology & Medical Research

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Ticker: MCRB Exchange: NSM

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• Purchase • Sale • Planned purchase • Planned sale Net purchase Net sale

Past 90 days

Value bought

Value sold

Net insiders buying

Trades (buy and sell)

Company data

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Abbreviations B: Buy, S: Sell, PP: Planned purchase, PS: Planned sale, O: Option / Other

Notification date	Transaction date	B/S Transaction type	Insider and/or position	Nb. shares Price Value	Number of shares	Price	Total value
2016-06-06	2016-06-02	PS Planned sale	Pomerantz Roger President and CEO Executive Director	20,307 -10.0% 33.22 674,639 USD	20,307 -10.0%	33.22	674,639 USD
2016-06-06	2016-06-02	PS Planned sale	Pomerantz Roger President and CEO Executive Director	47,159 -18.8% 32.34 1,525,122 USD	47,159 -18.8%	32.34	1,525,122 USD
2016-06-06	2016-06-02	PS Planned sale	Pomerantz Roger President and CEO Executive Director	6,583 -2.6% 31.62 208,154 USD	6,583 -2.6%	31.62	208,154 USD
2016-06-06	2016-06-02	PS Planned sale	COOK DAVID N Chief Scientific Officer & EVP Officer	8,000 -5.5% 31.00 248,000 USD	8,000 -5.5%	31.00	248,000 USD
2016-06-02	2016-06-01	PS Planned sale	Pomerantz Roger President and CEO Executive Director	52,441 -22.2% 30.65 1,607,317 USD	52,441 -22.2%	30.65	1,607,317 USD
2016-06-02	2016-06-01	PS Planned sale	Pomerantz Roger President and CEO Executive Director	18,510 -7.3% 30.12 557,521 USD	18,510 -7.3%	30.12	557,521 USD
2016-06-02	2016-06-01	PS Planned sale	COOK DAVID N Chief Scientific Officer & EVP Officer	16,000 -10.0% 29.43 470,880 USD	16,000 -10.0%	29.43	470,880 USD
2016-06-02	2016-05-31	PS Planned sale	Aunins John G. Chief Technology Officer & EVP Officer	650 -1.5% 30.57 19,871 USD	650 -1.5%	30.57	19,871 USD
2016-06-02	2016-05-31	PS Planned sale	Aunins John G. Chief Technology Officer & EVP Officer	13,365 -23.8% 30.02 401,217 USD	13,365 -23.8%	30.02	401,217 USD
2016-05-27	2016-05-25	S Sale	AFEYAN NOUBAR Non-Executive Director Major owner	599,297 -100.0% 27.60 16,540,597 USD	599,297 -100.0%	27.60	16,540,597 USD
2016-05-27	2016-05-25	S Sale	AFEYAN NOUBAR Non-Executive Director Major owner	80,141 -4.0% 27.60 2,211,892 USD	80,141 -4.0%	27.60	2,211,892 USD
2016-05-27	2016-05-25	S Sale	AFEYAN NOUBAR Non-Executive Director Major owner	320,562 -10.5% 27.60 8,847,511 USD	320,562 -10.5%	27.60	8,847,511 USD
2016-05-25	2016-05-24	PS Planned sale	Pomerantz Roger President and CEO Executive Director	9,801 -5.1% 30.00 294,030 USD	9,801 -5.1%	30.00	294,030 USD
2016-05-09	2016-05-06	PS Planned sale	Pomerantz Roger President and CEO Executive Director	308 -1.3% 25.10 7,731 USD	308 -1.3%	25.10	7,731 USD
2016-05-09	2016-05-06	PS Planned sale	Pomerantz Roger President and CEO Executive Director	8,199 -26.3% 24.28 199,072 USD	8,199 -26.3%	24.28	199,072 USD
2016-05-06	2016-05-05	PS Planned sale	Pomerantz Roger President and CEO Executive Director	8,900 -28.1% 26.34 234,426 USD	8,900 -28.1%	26.34	234,426 USD
2016-05-06	2016-05-05	PS Planned sale	Pomerantz Roger President and CEO Executive Director	21,127 -48.2% 25.48 538,316 USD	21,127 -48.2%	25.48	538,316 USD
2016-05-06	2016-05-04	PS Planned sale	Pomerantz Roger President and CEO Executive Director	700 -3.0% 27.31 19,117 USD	700 -3.0%	27.31	19,117 USD
2016-05-06	2016-05-04	PS Planned sale	Pomerantz Roger President and CEO Executive Director	28,598 -55.7% 26.52 758,419 USD	28,598 -55.7%	26.52	758,419 USD
2016-05-04	2016-05-03	PS Planned sale	Pomerantz Roger President and CEO Executive Director	200 -0.9% 29.32 5,864 USD	200 -0.9%	29.32	5,864 USD
2016-05-04	2016-05-03	PS Planned sale	Pomerantz Roger President and CEO Executive Director	7,142 -23.8% 28.44 203,118 USD	7,142 -23.8%	28.44	203,118 USD
2016-05-04	2016-05-03	PS Planned sale	Pomerantz Roger President and CEO Executive Director	16,338 -35.2% 27.80 454,196 USD	16,338 -35.2%	27.80	454,196 USD
2016-05-04	2016-05-02	PS Planned sale	Pomerantz Roger President and CEO Executive Director	8,249 -26.6% 29.59 244,088 USD	8,249 -26.6%	29.59	244,088 USD
2016-05-04	2016-05-02	PS Planned sale	Pomerantz Roger President and CEO Executive Director	35,438 -53.4% 28.95 1,025,930 USD	35,438 -53.4%	28.95	1,025,930 USD
2016-04-27	2016-04-25	PS Planned sale	Aunins John G. Chief Technology Officer & EVP Officer	18,640 -25.0% 31.94 595,362 USD	18,640 -25.0%	31.94	595,362 USD
2016-04-11	2016-04-07	PS Planned sale	Pomerantz Roger President and CEO Executive Director	9,212 -28.8% 30.00 276,360 USD	9,212 -28.8%	30.00	276,360 USD
2016-04-11	2016-04-07	PS Planned sale	COOK DAVID N Chief Scientific Officer & EVP Officer	8,000 -4.7% 31.00 248,000 USD	8,000 -4.7%	31.00	248,000 USD
2016-04-06	2016-04-04	PS Planned sale	Shaff Eric D. CFO and EVP Officer	6,568 -100.0% 28.85 189,487 USD	6,568 -100.0%	28.85	189,487 USD
2016-04-05	2016-04-04	PS Planned sale	COOK DAVID N Chief Scientific Officer & EVP Officer	8,000 -4.5% 28.00 224,000 USD	8,000 -4.5%	28.00	224,000 USD
2016-04-05	2016-04-04	PS Planned sale	Pomerantz Roger President and CEO Executive Director	788 -3.4% 30.00 23,640 USD	788 -3.4%	30.00	23,640 USD
2016-04-05	2016-04-04	PS Planned sale	Pomerantz Roger President and CEO Executive Director	6,416 -21.4% 29.68 190,427 USD	6,416 -21.4%	29.68	190,427 USD
2016-04-05	2016-04-04	PS Planned sale	Pomerantz Roger President and CEO Executive Director	22,418 -42.8% 29.18 654,157 USD	22,418 -42.8%	29.18	654,157 USD
2016-04-05	2016-04-04	PS Planned sale	Pomerantz Roger President and CEO Executive Director	15,203 -22.5% 28.17 428,269 USD	15,203 -22.5%	28.17	428,269 USD
2016-04-05	2016-04-01	PS Planned sale	COOK DAVID N Chief Scientific Officer & EVP Officer	6,350 -3.5% 26.90 170,815 USD	6,350 -3.5%	26.90	170,815 USD
2016-04-05	2016-04-01	PS Planned sale	Pomerantz Roger President and CEO Executive Director	12,377 -35.3% 27.56 341,110 USD	12,377 -35.3%	27.56	341,110 USD
2016-04-05	2016-04-01	PS Planned sale	Pomerantz Roger President and CEO Executive Director	38,080 -52.0% 26.67 1,015,594 USD	38,080 -52.0%	26.67	1,015,594 USD
2016-04-05	2016-04-01	PS Planned sale	Pomerantz Roger President and CEO Executive Director	40,506 -35.6% 25.69 1,040,599 USD	40,506 -35.6%	25.69	1,040,599 USD
2016-04-05	2016-04-01	PS Planned sale	COOK DAVID N Chief Scientific Officer & EVP Officer	46,650 -20.3% 25.74 1,200,771 USD	46,650 -20.3%	25.74	1,200,771 USD
2016-04-04	2016-03-31	PS Planned sale	Shaff Eric D. CFO and EVP Officer	6,568 -100.0% 26.50 174,052 USD	6,568 -100.0%	26.50	174,052 USD
2016-04-04	2016-03-31	PS Planned sale	Shaff Eric D. CFO and EVP Officer	1,095 -14.3% 25.13 27,517 USD	1,095 -14.3%	25.13	27,517 USD
2016-03-29	2016-03-28	PS Planned sale	Shaff Eric D. CFO and EVP Officer	5,473 -100.0% 24.07 131,735 USD	5,473 -100.0%	24.07	131,735 USD
2016-03-29	2016-03-28	PS Planned sale	Aunins John G. Chief Technology Officer & EVP Officer	9,390 -11.2% 23.89 224,327 USD	9,390 -11.2%	23.89	224,327 USD