MRSN - Mersana Therapeutics, Inc. - Insider Stock Trading

Filing Date	T Date	Ticker	Sector	Ind	Industry	Owner	oSt	Rel	Title	T	TVal	Price	Qty	oc	Own	H
1/17/24 17:21	1/13/24	MRSN	Health	Drug	Pharmaceutical Preparations	Protopapas Anna	MA	D		M.dm	0	0.00	87	25	438	D
1/17/24 17:21	1/16/24	MRSN	Health	Drug	Pharmaceutical Preparations	Protopapas Anna	MA	D		S.d	-80	2.71	-29	-6	438	D
1/17/24 17:21	1/13/24	MRSN	Health	Drug	Pharmaceutical Preparations	Misra Tushar	MA	O	SVP,Chie	M.dm	0	0.00	9	91	18	D
1/17/24 17:21	1/16/24	MRSN	Health	Drug	Pharmaceutical Preparations	Misra Tushar	MA	O	SVP,Chie	S.d	-9	2.71	-3	-16	18	D
1/17/24 17:20	1/13/24	MRSN	Health	Drug	Pharmaceutical Preparations	Mandelia Ashish	MA	O	VP,Chief	M.dm	0	0.00	13	121	23	D
1/17/24 17:20	1/16/24	MRSN	Health	Drug	Pharmaceutical Preparations	Mandelia Ashish	MA	O	VP,Chief	S.d	-14	2.71	-5	-18	23	D
1/17/24 17:19	1/13/24	MRSN	Health	Drug	Pharmaceutical Preparations	Lowinger Timothy B	MA	O	SVP,Chie	M.dm	0	0.00	29	17	199	D
1/17/24 17:19	1/16/24	MRSN	Health	Drug	Pharmaceutical Preparations	Lowinger Timothy B	MA	O	SVP,Chie	S.d	-28	2.71	-10	-5	199	D
1/17/24 17:18	1/13/24	MRSN	Health	Drug	Pharmaceutical Preparations	Carvajal Alejandra	MA	O	SVP,GC	M.dm	0	0.00	11	72	27	D
1/17/24 17:18	1/16/24	MRSN	Health	Drug	Pharmaceutical Preparations	Carvajal Alejandra	MA	O	SVP,GC	S.d	-12	2.71	-4	-14	27	D
1/17/24 17:18	1/13/24	MRSN	Health	Drug	Pharmaceutical Preparations	Deschuytner Brian	MA	O	SVP,COO,	M.dm	0	0.00	26	94	55	D
1/17/24 17:18	1/16/24	MRSN	Health	Drug	Pharmaceutical Preparations	Deschuytner Brian	MA	O	SVP,COO,	S.d	-25	2.71	-9	-15	55	D
1/17/24 17:16	1/13/24	MRSN	Health	Drug	Pharmaceutical Preparations	Bala Mohan	MA	O	SVP,Chie	M.d	0	0.00	9	165	14	D
1/17/24 17:16	1/16/24	MRSN	Health	Drug	Pharmaceutical Preparations	Bala Mohan	MA	O	SVP,Chie	S.d	-9	2.71	-3	-20	14	D
10/27/23 16:07	10/25/23	MRSN	Health	Drug	Pharmaceutical Preparations	Bala Mohan	MA	O	SVP,Chie	M.d	0	0.00	6	252	9	D
10/27/23 16:07	10/26/23	MRSN	Health	Drug	Pharmaceutical Preparations	Bala Mohan	MA	O	SVP,Chie	S.d	-2	1.13	-2	-18	9	D
8/18/23 16:01	8/16/23	MRSN	Health	Drug	Pharmaceutical Preparations	Misra Tushar	MA	O	SVP,Chie	M.d	0	0.00	6	119	12	D
8/18/23 16:01	8/17/23	MRSN	Health	Drug	Pharmaceutical Preparations	Misra Tushar	MA	O	SVP,Chie	S.d	-2	1.18	-2	-14	12	D
4/28/23 16:15	4/26/23	MRSN	Health	Drug	Pharmaceutical Preparations	Carvajal Alejandra	MA	O	SVP,GC	M.d	0	0.00	13	187	20	D
4/28/23 16:15	4/27/23	MRSN	Health	Drug	Pharmaceutical Preparations	Carvajal Alejandra	MA	O	SVP,GC	S.d	-15	3.89	-4	-16	20	D
1/18/23 20:29	1/14/23	MRSN	Health	Drug	Pharmaceutical Preparations	Yang Arvin	MA	O	SVP,Chie	M.d	0	0.00	7	30	31	D
1/18/23 20:29	1/17/23	MRSN	Health	Drug	Pharmaceutical Preparations	Yang Arvin	MA	O	SVP,Chie	S.d	-13	5.74	-2	-7	31	D
1/18/23 20:24	1/14/23	MRSN	Health	Drug	Pharmaceutical Preparations	Protopapas Anna	MA	DO	P,CEO	M.dm	0	0.00	56	18	361	M
1/18/23 20:24	1/17/23	MRSN	Health	Drug	Pharmaceutical Preparations	Protopapas Anna	MA	DO	P,CEO	S.d	-100	5.74	-17	-5	361	M
1/18/23 20:20	1/14/23	MRSN	Health	Drug	Pharmaceutical Preparations	Mandelia Ashish	MA	O	VP,Contr	M.dm	0	0.00	10	291	14	D
1/18/23 20:20	1/17/23	MRSN	Health	Drug	Pharmaceutical Preparations	Mandelia Ashish	MA	O	VP,Contr	S.d	-21	5.74	-4	-21	14	D
1/18/23 20:18	1/14/23	MRSN	Health	Drug	Pharmaceutical Preparations	Misra Tushar	MA	O	SVP,CMO	M.d	0	0.00	1	33	6	D
1/18/23 20:18	1/17/23	MRSN	Health	Drug	Pharmaceutical Preparations	Misra Tushar	MA	O	SVP,CMO	S.d	-3	5.74	0	-7	6	D
1/18/23 20:14	1/14/23	MRSN	Health	Drug	Pharmaceutical Preparations	Lowinger Timothy B	MA	O	SVP,Chie	M.dm	0	0.00	20	12	180	D
1/18/23 20:14	1/17/23	MRSN	Health	Drug	Pharmaceutical Preparations	Lowinger Timothy B	MA	O	SVP,Chie	S.d	-36	5.74	-6	-3	180	D
1/18/23 20:12	1/14/23	MRSN	Health	Drug	Pharmaceutical Preparations	Deschuytner Brian	MA	O	SVP,CFO	M.dm	0	0.00	16	101	33	D
1/18/23 20:12	1/17/23	MRSN	Health	Drug	Pharmaceutical Preparations	Deschuytner Brian	MA	O	SVP,CFO	S.d	-29	5.74	-5	-14	33	D
1/18/23 20:09	1/14/23	MRSN	Health	Drug	Pharmaceutical Preparations	Carvajal Alejandra	MA	O	SVP,GC	M.d	0	0.00	3	29	11	D
1/18/23 20:09	1/17/23	MRSN	Health	Drug	Pharmaceutical Preparations	Carvajal Alejandra	MA	O	SVP,GC	S.d	-4	5.74	-1	-7	11	D
12/16/22 16:46	12/14/22	MRSN	Health	Drug	Pharmaceutical Preparations	Lowinger Timothy B	MA	O	SVP,Chie	M.d	53	1.49	35	27	167	D
12/2/22 16:01	11/30/22	MRSN	Health	Drug	Pharmaceutical Preparations	Yang Arvin	MA	O	Chief Me	M.d	0	0.00	19	248	26	D
12/2/22 16:01	12/1/22	MRSN	Health	Drug	Pharmaceutical Preparations	Yang Arvin	MA	O	Chief Me	S.d	-36	6.59	-6	-18	26	D
8/18/22 16:40	8/16/22	MRSN	Health	Drug	Pharmaceutical Preparations	Misra Tushar	MA	O	Chief Ma	M.d	0	0.00	6		4	D
8/18/22 16:40	8/17/22	MRSN	Health	Drug	Pharmaceutical Preparations	Misra Tushar	MA	O	Chief Ma	S.d	-13	7.10	-2	-30	4	D
6/2/22 18:17	5/31/22	MRSN	Health	Drug	Pharmaceutical Preparations	Hack Andrew A. F.	MA	D		P.m	312	3.27	96	1	8,664	I
5/26/22 18:02	5/24/22	MRSN	Health	Drug	Pharmaceutical Preparations	Hack Andrew A. F.	MA	D		P.m	854	3.22	265	3	8,568	I
5/23/22 17:49	5/19/22	MRSN	Health	Drug	Pharmaceutical Preparations	Hack Andrew A. F.	MA	D		P.m	746	3.46	216	3	8,303	I
5/18/22 18:19	5/16/22	MRSN	Health	Drug	Pharmaceutical Preparations	Hack Andrew A. F.	MA	D		P.m	1,138	3.25	350	5	8,087	I
4/28/22 17:23	4/26/22	MRSN	Health	Drug	Pharmaceutical Preparations	Carvajal Alejandra	MA	O	GC	M.d	0	0.00	13		9	D
4/28/22 17:23	4/26/22	MRSN	Health	Drug	Pharmaceutical Preparations	Carvajal Alejandra	MA	O	GC	S.d	-15	3.69	-4	-30	9	D
4/14/22 16:59	4/13/22	MRSN	Health	Drug	Pharmaceutical Preparations	Hack Andrew A. F.	MA	D		P	2,500	4.05	617	9	7,737	I
4/13/22 18:27	4/12/22	MRSN	Health	Drug	Pharmaceutical Preparations	Hack Andrew A. F.	MA	D		P	2,500	4.18	598	9	7,120	I
2/8/22 17:04	2/7/22	MRSN	Health	Drug	Pharmaceutical Preparations	Hack Andrew A. F.	MA	D		P	5,023	4.42	1,136	21	6,522	I
1/19/22 18:25	1/14/22	MRSN	Health	Drug	Pharmaceutical Preparations	Lowinger Timothy B	MA	O	Chief Sc	M.d	0	0.00	15	13	131	D
1/19/22 18:25	1/18/22	MRSN	Health	Drug	Pharmaceutical Preparations	Lowinger Timothy B	MA	O	Chief Sc	S.d	-28	5.92	-5	-3	131	D
1/19/22 18:19	1/14/22	MRSN	Health	Drug	Pharmaceutical Preparations	Mandelia Ashish	MA	O	VP,Contr	M.d	0	0.00	5		3	D
1/19/22 18:19	1/18/22	MRSN	Health	Drug	Pharmaceutical Preparations	Mandelia Ashish	MA	O	VP,Contr	S.d	-12	5.92	-2	-37	3	D
1/19/22 18:01	1/14/22	MRSN	Health	Drug	Pharmaceutical Preparations	Protopapas Anna	MA	DO	P,CEO	M.d	0	0.00	39	14	323	D
1/19/22 17:45	1/14/22	MRSN	Health	Drug	Pharmaceutical Preparations	Deschuytner Brian	MA	O	CFO	M.d	0	0.00	10	139	18	D
1/4/22 18:16	12/30/21	MRSN	Health	Drug	Pharmaceutical Preparations	Hack Andrew A. F.	MA	D		P	5,012	6.15	815	18	5,386	I
1/3/22 18:28	12/29/21	MRSN	Health	Drug	Pharmaceutical Preparations	Hack Andrew A. F.	MA	D		P	5,031	5.75	875	24	4,571	I
12/20/21 17:01	12/20/21	MRSN	Health	Drug	Pharmaceutical Preparations	Lowinger Timothy B	MA	O	Chief Sc	M.d	64	1.40	46	61	121	D
12/2/21 17:00	11/30/21	MRSN	Health	Drug	Pharmaceutical Preparations	Yang Arvin	MA	O	Chief Me	M.d	0	0.00	19		13	D
12/2/21 17:00	12/1/21	MRSN	Health	Drug	Pharmaceutical Preparations	Yang Arvin	MA	O	Chief Me	S.d	-38	6.81	-6	-30	13	D
8/24/21 16:31	8/20/21	MRSN	Health	Drug	Pharmaceutical Preparations	Lowinger Timothy B	MA	O	Chief Sc	M.d	14	6.16	2	3	75	D
8/24/21 16:31	8/20/21	MRSN	Health	Drug	Pharmaceutical Preparations	Lowinger Timothy B	MA	O	Chief Sc	S.d	-24	11.01	-2	-3	75	D
7/22/21 16:32	7/20/21	MRSN	Health	Drug	Pharmaceutical Preparations	Lowinger Timothy B	MA	O	Chief Sc	M.d	14	6.16	2	3	75	D
7/22/21 16:32	7/20/21	MRSN	Health	Drug	Pharmaceutical Preparations	Lowinger Timothy B	MA	O	Chief Sc	S.d	-27	12.11	-2	-3	75	D
7/19/21 20:50	7/15/21	MRSN	Health	Drug	Pharmaceutical Preparations	Lowinger Timothy B	MA	O	Chief Sc	M.d	0	0.00	40	114	75	D
7/19/21 20:50	7/16/21	MRSN	Health	Drug	Pharmaceutical Preparations	Lowinger Timothy B	MA	O	Chief Sc	S.dm	-199	12.24	-16	-18	75	D
7/19/21 20:50	7/15/21	MRSN	Health	Drug	Pharmaceutical Preparations	Kaufman Michael J.	MA	O	Chief Ma	M.d	0	0.00	40		33	D
7/19/21 20:50	7/16/21	MRSN	Health	Drug	Pharmaceutical Preparations	Kaufman Michael J.	MA	O	Chief Ma	S.dm	-148	12.24	-12	-27	33	D
7/19/21 20:49	7/15/21	MRSN	Health	Drug	Pharmaceutical Preparations	Protopapas Anna	MA	DO	P,CEO	M.d	0	0.00	100	55	283	D
7/19/21 20:49	7/16/21	MRSN	Health	Drug	Pharmaceutical Preparations	Protopapas Anna	MA	DO	P,CEO	S.dm	-513	12.24	-42	-13	283	D
7/9/21 17:25	7/8/21	MRSN	Health	Drug	Pharmaceutical Preparations	Lowinger Timothy B	MA	O	CS,Techn	M.d	28	1.40	20	64	51	D
7/2/21 16:32	7/1/21	MRSN	Health	Drug	Pharmaceutical Preparations	Lowinger Timothy B	MA	O	CS,Techn	M.d	7	3.52	2	6	31	D
7/2/21 16:32	7/1/21	MRSN	Health	Drug	Pharmaceutical Preparations	Lowinger Timothy B	MA	O	CS,Techn	S.d	-26	13.60	-2	-6	31	D
7/2/21 16:31	7/1/21	MRSN	Health	Drug	Pharmaceutical Preparations	Mandelia Ashish	MA	O	VP,Contr	S	-13	13.60	-1	-100	0	D
6/23/21 16:30	6/21/21	MRSN	Health	Drug	Pharmaceutical Preparations	Lowinger Timothy B	MA	O	Chief Sc	M.d	14	6.16	2	8	31	D
6/23/21 16:30	6/21/21	MRSN	Health	Drug	Pharmaceutical Preparations	Lowinger Timothy B	MA	O	Chief Sc	S.d	-31	13.78	-2	-7	31	D
6/3/21 18:58	6/1/21	MRSN	Health	Drug	Pharmaceutical Preparations	Alleva Lawrence M	MA	D		P	15	14.38	1	95	2	I
5/24/21 16:30	5/20/21	MRSN	Health	Drug	Pharmaceutical Preparations	Lowinger Timothy B	MA	O	Chief Sc	M.d	20	4.95	4	15	31	D
5/24/21 16:30	5/20/21	MRSN	Health	Drug	Pharmaceutical Preparations	Lowinger Timothy B	MA	O	Chief Sc	S.d	-58	14.10	-4	-12	31	D
4/22/21 16:16	4/20/21	MRSN	Health	Drug	Pharmaceutical Preparations	Lowinger Timothy B	MA	O	Chief Sc	M.d	20	4.95	4	15	31	D
4/22/21 16:16	4/20/21	MRSN	Health	Drug	Pharmaceutical Preparations	Lowinger Timothy B	MA	O	Chief Sc	S.d	-65	15.91	-4	-12	31	D
3/24/21 17:00	3/22/21	MRSN	Health	Drug	Pharmaceutical Preparations	Lowinger Timothy B	MA	O	Chief Sc	M.d	41	4.95	8	35	31	D
3/24/21 17:00	3/22/21	MRSN	Health	Drug	Pharmaceutical Preparations	Lowinger Timothy B	MA	O	Chief Sc	S.d	-144	17.50	-8	-21	31	D
2/24/21 17:00	2/22/21	MRSN	Health	Drug	Pharmaceutical Preparations	Lowinger Timothy B	MA	O	Chief Sc	M.d	41	4.95	8	35	31	D
2/24/21 17:00	2/22/21	MRSN	Health	Drug	Pharmaceutical Preparations	Lowinger Timothy B	MA	O	Chief Sc	S.d	-164	20.01	-8	-21	31	D
1/22/21 17:00	1/20/21	MRSN	Health	Drug	Pharmaceutical Preparations	Lowinger Timothy B	MA	O	Chief Sc	M.d	41	4.95	8	35	31	D
1/22/21 17:00	1/20/21	MRSN	Health	Drug	Pharmaceutical Preparations	Lowinger Timothy B	MA	O	Chief Sc	S.d	-177	21.54	-8	-21	31	D
1/20/21 19:05	1/15/21	MRSN	Health	Drug	Pharmaceutical Preparations	Lowinger Timothy B	MA	O	Chief Sc	M.d	0	0.00	8	34	31	D
1/20/21 19:04	1/15/21	MRSN	Health	Drug	Pharmaceutical Preparations	Kaufman Michael J.	MA	O	SVP,Chem	M.d	0	0.00	7		5	D
1/20/21 19:04	1/15/21	MRSN	Health	Drug	Pharmaceutical Preparations	Deschuytner Brian	MA	O	SVP.,FIN	M.d	0	0.00	4	161	6	D
1/20/21 19:04	1/15/21	MRSN	Health	Drug	Pharmaceutical Preparations	Protopapas Anna	MA	DO	P,CEO	M.d	0	0.00	18	9	225	D
1/20/21 19:03	1/15/21	MRSN	Health	Drug	Pharmaceutical Preparations	Mandelia Ashish	MA	O	VP,Contr	M.d	0	0.00	1		0	D
1/20/21 19:03	1/19/21	MRSN	Health	Drug	Pharmaceutical Preparations	Mandelia Ashish	MA	O	VP,Contr	S.d	-12	21.28	-1	-100	0	D
1/12/21 19:29	1/8/21	MRSN	Health	Drug	Pharmaceutical Preparations	Hack Andrew A. F.	MA	D		P.m	4,590	18.36	250	7	3,696	I
1/6/21 19:00	1/4/21	MRSN	Health	Drug	Pharmaceutical Preparations	Mandelia Ashish	MA	O	VP,Contr	S	-7	26.76	0	-100	0	D
12/30/20 17:00	12/28/20	MRSN	Health	Drug	Pharmaceutical Preparations	Lowinger Timothy B	MA	O	Chief Sc	M.d	13	1.40	9	53	26	D
12/22/20 16:34	12/21/20	MRSN	Health	Drug	Pharmaceutical Preparations	Lowinger Timothy B	MA	O	Chief Sc	M.d	41	4.95	8		0	D
12/22/20 16:34	12/21/20	MRSN	Health	Drug	Pharmaceutical Preparations	Lowinger Timothy B	MA	O	Chief Sc	S.d	-210	25.60	-8	-100	0	D
11/24/20 16:31	11/20/20	MRSN	Health	Drug	Pharmaceutical Preparations	Lowinger Timothy B	MA	O	Chief Sc	M.d	41	4.95	8		0	D
11/24/20 16:31	11/20/20	MRSN	Health	Drug	Pharmaceutical Preparations	Lowinger Timothy B	MA	O	Chief Sc	S.d	-189	23.05	-8	-100	0	D
10/22/20 16:31	10/20/20	MRSN	Health	Drug	Pharmaceutical Preparations	Lowinger Timothy B	MA	O	Chief Sc	M.dm	74	2.95	25		17	D
10/22/20 16:31	10/20/20	MRSN	Health	Drug	Pharmaceutical Preparations	Lowinger Timothy B	MA	O	Chief Sc	S.dm	-140	17.12	-8	-33	17	D
9/23/20 16:30	9/21/20	MRSN	Health	Drug	Pharmaceutical Preparations	Lowinger Timothy B	MA	O	Chief Sc	M.d	41	4.95	8		0	D
9/23/20 16:30	9/21/20	MRSN	Health	Drug	Pharmaceutical Preparations	Lowinger Timothy B	MA	O	Chief Sc	S.d	-426	20.66	-21	-100	0	D
9/16/20 18:31	9/14/20	MRSN	Health	Drug	Pharmaceutical Preparations	Jack Eva M.	MA	O	Chief Bu	M.d	54	1.53	35		0	D
9/16/20 18:31	9/14/20	MRSN	Health	Drug	Pharmaceutical Preparations	Jack Eva M.	MA	O	Chief Bu	S.d	-775	22.00	-35	-100	0	D
7/6/20 16:15	6/30/20	MRSN	Health	Drug	Pharmaceutical Preparations	Mandelia Ashish	MA	O	VP,Contr	P	16	4.87	3		0	D
7/6/20 16:15	7/2/20	MRSN	Health	Drug	Pharmaceutical Preparations	Mandelia Ashish	MA	O	VP,Contr	S	-76	22.49	-3	-100	0	D
6/3/20 17:30	6/1/20	MRSN	Health	Drug	Pharmaceutical Preparations	Alleva Lawrence M	MA	D		P	25	22.95	1	New	1	D
4/14/20 17:54	4/13/20	MRSN	Health	Drug	Pharmaceutical Preparations	Sandell Scott D	MD	T		S.m	-20	9.04	-2	0	7,960	I
4/14/20 17:54	4/13/20	MRSN	Health	Drug	Pharmaceutical Preparations	Baskett Forest	MD	T		S	-27	8.58	-3	0	7,960	I
4/13/20 21:10	4/13/20	MRSN	Health	Drug	Pharmaceutical Preparations	Sandell Scott D	MD	T		S	-178	8.50	-21	0	7,962	I
4/13/20 21:06	4/13/20	MRSN	Health	Drug	Pharmaceutical Preparations	Florence Anthony A. Jr.	MD	T		S	-178	8.50	-21	0	7,962	M
4/13/20 21:06	4/13/20	MRSN	Health	Drug	Pharmaceutical Preparations	Baskett Forest	MD	T		S	-178	8.50	-21	0	7,963	I
4/13/20 20:39	8/28/19	MRSN	Health	Drug	Pharmaceutical Preparations	New Enterprise Associates 14, L.P.	MD	T		S.d	-4	2.91	-1	0	11,960	D
4/9/20 16:11	4/7/20	MRSN	Health	Drug	Pharmaceutical Preparations	Hack Andrew A. F.	MA	D		P	20,649	5.99	3,446	New	3,446	I
4/9/20 15:31	4/7/20	MRSN	Health	Drug	Pharmaceutical Preparations	Mott David M	MA	D		P	3,011	5.59	539	New	539	D
3/6/19 16:39	3/5/19	MRSN	Health	Drug	Pharmaceutical Preparations	Mott David M	MD	DT		P	15,000	4.00	3,750	46	11,890	I
3/6/19 16:38	3/5/19	MRSN	Health	Drug	Pharmaceutical Preparations	New Enterprise Associates 14, L.P.	MD	T		P	15,000	4.00	3,750	46	11,890	D
9/25/18 17:07	9/24/18	MRSN	Health	Drug	Pharmaceutical Preparations	Lowinger Timothy B	MA	O	Chief Sc	M.d	5	1.40	4	39	12	D
9/25/18 17:07	9/24/18	MRSN	Health	Drug	Pharmaceutical Preparations	Lowinger Timothy B	MA	O	Chief Sc	S.d	-41	11.63	-4	-22	12	D
8/29/18 16:24	8/27/18	MRSN	Health	Drug	Pharmaceutical Preparations	Lowinger Timothy B	MA	O	Chief Sc	M.d	26	7.43	4	39	12	D
8/29/18 16:24	8/27/18	MRSN	Health	Drug	Pharmaceutical Preparations	Lowinger Timothy B	MA	O	Chief Sc	S.d	-46	13.15	-4	-22	12	D
7/25/18 16:04	7/23/18	MRSN	Health	Drug	Pharmaceutical Preparations	Lowinger Timothy B	MA	O	Chief Sc	S	-39	11.06	-4	-22	12	D
7/5/18 18:59	7/3/18	MRSN	Health	Drug	Pharmaceutical Preparations	Lowinger Timothy B	MA	O	Chief Sc	M.d	14	1.40	10	167	16	D
2/23/18 16:01	2/21/18	MRSN	Health	Drug	Pharmaceutical Preparations	Lowinger Timothy B	MA	O	Chief Sc	M.d	41	6.98	6	New	6	D
2/1/18 16:01	1/30/18	MRSN	Health	Drug	Pharmaceutical Preparations	Foster Wayne	MA	O	VP of Fi	M.d	45	3.03	15	26	71	D
12/21/17 16:06	12/20/17	MRSN	Health	Drug	Pharmaceutical Preparations	Protopapas Anna	MA	DO	P,CEO	M.d	16	1.53	10	5	203	D
7/6/17 17:20	7/3/17	MRSN	Health	Drug	Pharmaceutical Preparations	Viswanathan Ravi	MD	T		P.d	15,000	15.00	1,000	14	8,140	I
7/6/17 17:19	7/3/17	MRSN	Health	Drug	Pharmaceutical Preparations	Sonsini Peter W.	CA	T		P.d	15,000	15.00	1,000	14	8,140	I
7/6/17 17:19	7/3/17	MRSN	Health	Drug	Pharmaceutical Preparations	Sandell Scott D	MD	T		P.d	15,000	15.00	1,000	14	8,140	I
7/6/17 17:18	7/3/17	MRSN	Health	Drug	Pharmaceutical Preparations	Mott David M	MD	DT		P.d	15,000	15.00	1,000	14	8,140	I
7/6/17 17:18	7/3/17	MRSN	Health	Drug	Pharmaceutical Preparations	Kerins Patrick J	MD	T		P.d	15,000	15.00	1,000	14	8,140	I
7/6/17 17:17	7/3/17	MRSN	Health	Drug	Pharmaceutical Preparations	Florence Anthony A. Jr.	MD	T		P.d	15,000	15.00	1,000	14	8,140	I
7/6/17 17:17	7/3/17	MRSN	Health	Drug	Pharmaceutical Preparations	Baskett Forest	MD	T		P.d	15,000	15.00	1,000	14	8,140	I
7/6/17 17:16	7/3/17	MRSN	Health	Drug	Pharmaceutical Preparations	Barris Peter J	MD	T		P.d	15,000	15.00	1,000	14	8,140	I
7/6/17 17:16	7/3/17	MRSN	Health	Drug	Pharmaceutical Preparations	Barrett M James	MD	T		P.d	15,000	15.00	1,000	14	8,140	I
7/6/17 17:16	7/3/17	MRSN	Health	Drug	Pharmaceutical Preparations	New Enterprise Associates 14, L.P.	MD	T		P.d	15,000	15.00	1,000	14	8,140	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

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