Desrosier Thomas - Insider Stock Trading

Filing Date	T Date	Ticker	Issuer	Inc	Sector	Ind	Industry	Owner	oSt	Rel	Title	T	TVal	Price	L	Qty	oc	Own	H	r2y	r1y	r6m	r3m	r6w	r3w	r7d	r3d	f1d	f1w	f1m	f3m	f6m
8/19/25 16:07	8/15/25	MCRB	Seres Therapeutics, Inc.	DE	Health	Drug	Pharmaceutical Preparations	Desrosier Thomas	MA	O	See Rema	M.d	0	0.00	0	0	3	7	D
8/19/25 16:07	8/18/25	MCRB	Seres Therapeutics, Inc.	DE	Health	Drug	Pharmaceutical Preparations	Desrosier Thomas	MA	O	See Rema	S.d	-1	16.65	0	0	-1	7	D
5/19/25 16:05	5/15/25	MCRB	Seres Therapeutics, Inc.	DE	Health	Drug	Pharmaceutical Preparations	Desrosier Thomas	MA	O	GC,EVP	M.d	0	0.00	0	0	3	7	D
5/19/25 16:05	5/15/25	MCRB	Seres Therapeutics, Inc.	DE	Health	Drug	Pharmaceutical Preparations	Desrosier Thomas	MA	O	GC,EVP	S.d	-1	7.28	0	0	-1	7	D
2/19/25 20:07	2/15/25	MCRB	Seres Therapeutics, Inc.	DE	Health	Drug	Pharmaceutical Preparations	Desrosier Thomas	MA	O	GC,EVP	M.d	0	0.00	0	12	9	142	D
2/19/25 20:07	2/18/25	MCRB	Seres Therapeutics, Inc.	DE	Health	Drug	Pharmaceutical Preparations	Desrosier Thomas	MA	O	GC,EVP	S.d	-3	0.8105	0	-4	-3	142	D
11/19/24 16:21	11/15/24	MCRB	Seres Therapeutics, Inc.	DE	Health	Drug	Pharmaceutical Preparations	Desrosier Thomas	MA	O	GC,EVP	M.d	0	0.00	0	3	2	135	D
11/19/24 16:21	11/18/24	MCRB	Seres Therapeutics, Inc.	DE	Health	Drug	Pharmaceutical Preparations	Desrosier Thomas	MA	O	GC,EVP	S.d	0	0.5407	0	-1	-1	135	D
10/29/24 18:26	10/27/24	MCRB	Seres Therapeutics, Inc.	DE	Health	Drug	Pharmaceutical Preparations	Desrosier Thomas	MA	O	GC,EVP	M.d	0	0.00	0	14	11	133	D
10/29/24 18:26	10/28/24	MCRB	Seres Therapeutics, Inc.	DE	Health	Drug	Pharmaceutical Preparations	Desrosier Thomas	MA	O	GC,EVP	S.d	-3	0.6901	0	-4	-3	133	D
8/19/24 17:48	8/15/24	MCRB	Seres Therapeutics, Inc.	DE	Health	Drug	Pharmaceutical Preparations	Desrosier Thomas	MA	O	GC,EVP	M.d	0	0.00	0	3	2	124	D
8/19/24 17:48	8/16/24	MCRB	Seres Therapeutics, Inc.	DE	Health	Drug	Pharmaceutical Preparations	Desrosier Thomas	MA	O	GC,EVP	S.d	-1	0.8400	0	-1	-1	124	D
5/17/24 20:14	5/15/24	MCRB	Seres Therapeutics, Inc.	DE	Health	Drug	Pharmaceutical Preparations	Desrosier Thomas	MA	O	GC,EVP	M.d	0	0.00	0	3	2	122	D
5/17/24 20:14	5/15/24	MCRB	Seres Therapeutics, Inc.	DE	Health	Drug	Pharmaceutical Preparations	Desrosier Thomas	MA	O	GC,EVP	S.d	-1	0.9400	0	-1	-1	122	D
2/16/24 21:48	2/15/24	MCRB	Seres Therapeutics, Inc.	DE	Health	Drug	Pharmaceutical Preparations	Desrosier Thomas	MA	O	GC,EVP	M.d	0	0.00	0	11	10	121	D
2/16/24 21:48	2/16/24	MCRB	Seres Therapeutics, Inc.	DE	Health	Drug	Pharmaceutical Preparations	Desrosier Thomas	MA	O	GC,EVP	S.d	-4	1.08	0	-4	-3	121	D
10/31/23 21:39	10/27/23	MCRB	Seres Therapeutics, Inc.	DE	Health	Drug	Pharmaceutical Preparations	Desrosier Thomas	MA	O	GC,EVP	M.d	0	0.00	0	14	13	114	D
10/31/23 21:39	10/30/23	MCRB	Seres Therapeutics, Inc.	DE	Health	Drug	Pharmaceutical Preparations	Desrosier Thomas	MA	O	GC,EVP	S.d	-6	1.35	0	-4	-4	114	D
1/28/20 16:06	1/26/20	MCRB	Seres Therapeutics, Inc.	DE	Health	Drug	Pharmaceutical Preparations	Desrosier Thomas	MA	O	GC,EVP	M.d	0	0.00	0	25	156	41	D
1/29/19 18:55	1/26/19	MCRB	Seres Therapeutics, Inc.	DE	Health	Drug	Pharmaceutical Preparations	Desrosier Thomas	MA	O	GC,EVP	M.d	0	0.00	0	15	999%	16	D
1/29/19 18:55	1/28/19	MCRB	Seres Therapeutics, Inc.	DE	Health	Drug	Pharmaceutical Preparations	Desrosier Thomas	MA	O	GC,EVP	S.d	-31	5.75	0	-5	-25	16	D
1/30/18 20:58	1/26/18	MCRB	Seres Therapeutics, Inc.	DE	Health	Drug	Pharmaceutical Preparations	Desrosier Thomas	MA	O	See Rema	M.d	0	0.00	0	10		7	D
1/30/18 20:58	1/26/18	MCRB	Seres Therapeutics, Inc.	DE	Health	Drug	Pharmaceutical Preparations	Desrosier Thomas	MA	O	See Rema	S.d	-38	11.02	0	-3	-35	7	D
3/30/16 17:04	2/18/16	ARIA	Ariad Pharmaceuticals Inc	DE	Health	BioPrd	Biological Products, (No Diag	Desrosier Thomas	MA	O	EVP,GC	M.d	0	0.00	28	55		37	D	-19	-27	-9	-5	27	0	-4	-3	3	5	17	9	126
12/31/14 16:04	12/29/14	CBST	Cubist Pharmaceuticals Inc	DE	Health	Drug	Pharmaceutical Preparations	Desrosier Thomas	MA	OH	EVP,GC	M.d	825	45.90	0	18		8	D
4/16/14 16:44	4/15/14	CBST	Cubist Pharmaceuticals Inc	DE	Health	Drug	Pharmaceutical Preparations	Desrosier Thomas	MA	OH	EVP,Chie	M.d	0	0.00	0	2		2	D
4/16/14 16:44	4/16/14	CBST	Cubist Pharmaceuticals Inc	DE	Health	Drug	Pharmaceutical Preparations	Desrosier Thomas	MA	OH	EVP,Chie	S.d	-49	64.00	0	-1	-28	2	D
4/6/11 11:44	4/4/11	GENZ	Genzyme Corp	MA	Health	BioPrd	Biological Products, (No Diag	Desrosier Thomas	MA	O	SVP,GC	M.d	0	0.00	0	11		0	M
5/26/10 15:14	5/24/10	GENZ	Genzyme Corp	MA	Health	BioPrd	Biological Products, (No Diag	Desrosier Thomas	MA	O	SVP,GC	M.d	0	0.00	0	6	106	11	D
5/26/10 15:14	5/25/10	GENZ	Genzyme Corp	MA	Health	BioPrd	Biological Products, (No Diag	Desrosier Thomas	MA	O	SVP,GC	S.d	-90	45.60	0	-2	-15	11	D
8/8/08 14:20	8/7/08	GENZ	Genzyme Corp	MA	Health	BioPrd	Biological Products, (No Diag	Desrosier Thomas	MA	O	SVP GC	M.d	0	0.00	0	11		2	D
8/8/08 14:20	8/7/08	GENZ	Genzyme Corp	MA	Health	BioPrd	Biological Products, (No Diag	Desrosier Thomas	MA	O	SVP GC	S.d	-847	78.99	0	-11	-83	2	D

D	Derivative transaction in filing (usually option exercise)
M	Multiple transactions in filing; earliest reported transaction date and weighted average transaction price
A	Amended filing
E	Error detected in filing

S - Sale	Sale of securities on an exchange or to another person
S - Sale+OE	Sale of securities on an exchange or to another person (after option exercise)
F - Tax	Payment of exercise price or tax liability using portion of securities received from the company
P - Purchase	Purchase of securities on an exchange or from another person

TC

Stat

Stk

Ins

Fil

+d

+w

+m

+q

+h

+y

avg

Filing Date

T Date

Ticker

Issuer

Inc

Sector

Ind

Industry

Owner

oSt

Rel

Title

T

TVal

Price

L

Qty

oc

Own

H

r2y

r1y

r6m

r3m

r6w

r3w

r7d

r3d

f1d

f1w

f1m

f3m

f6m

f1y