GBIO - Generation Bio Co. - Insider Stock Trading

Filing Date	T Date	Ticker	Sector	Ind	Industry	Owner	oSt	Rel	Title	T	TVal	Price	Qty	oc	Own	H
4/17/24 17:10	4/15/24	GBIO	Health	Drug	Pharmaceutical Preparations	Stanton Matthew	MA	O	CHIEF SC	M.d	0	0.00	2	1	245	D
4/17/24 17:10	4/15/24	GBIO	Health	Drug	Pharmaceutical Preparations	Samayoa Phillip	MA	O	CHIEF ST	M.d	0	0.00	1	1	114	D
4/17/24 17:10	4/15/24	GBIO	Health	Drug	Pharmaceutical Preparations	Paone Antoinette	MA	O	COO	M.d	0	0.00	2	13	14	D
4/17/24 17:10	4/15/24	GBIO	Health	Drug	Pharmaceutical Preparations	Norkunas Matthew	MA	O	CFO	M.d	0	0.00	3	7	53	D
4/17/24 17:10	4/15/24	GBIO	Health	Drug	Pharmaceutical Preparations	McDonough Geoff	MA	DO	P,CEO	M.d	0	0.00	5	0	1,825	D
4/17/24 17:10	4/15/24	GBIO	Health	Drug	Pharmaceutical Preparations	Howze Yalonda	MA	O	GC	M.d	0	0.00	13		9	D
1/31/24 16:30	1/29/24	GBIO	Health	Drug	Pharmaceutical Preparations	Zimmermann Tracy	MA	O	CHIEF DE	M.d	0	0.00	5	11	49	D
1/31/24 16:30	1/29/24	GBIO	Health	Drug	Pharmaceutical Preparations	Kerr Douglas	MA	O	CHIEF ME	M.d	0	0.00	5	1	386	D
1/17/24 17:00	1/15/24	GBIO	Health	Drug	Pharmaceutical Preparations	Zimmermann Tracy	MA	O	CHIEF DE	M.d	0	0.00	14	45	46	D
1/17/24 17:00	1/15/24	GBIO	Health	Drug	Pharmaceutical Preparations	Kerr Douglas	MA	O	CHIEF ME	M.d	0	0.00	14	4	382	D
1/17/24 17:00	1/15/24	GBIO	Health	Drug	Pharmaceutical Preparations	Stanton Matthew	MA	O	CHIEF SC	M.d	0	0.00	14	6	244	D
1/17/24 17:00	1/15/24	GBIO	Health	Drug	Pharmaceutical Preparations	Norkunas Matthew	MA	O	CFO	M.d	0	0.00	16	46	50	D
1/17/24 17:00	1/15/24	GBIO	Health	Drug	Pharmaceutical Preparations	McDonough Geoff	MA	DO	P,CEO	M.d	0	0.00	45	3	1,821	D
1/17/24 17:00	1/15/24	GBIO	Health	Drug	Pharmaceutical Preparations	Samayoa Phillip	MA	O	CHIEF ST	M.d	0	0.00	9	8	113	D
1/17/24 17:00	1/15/24	GBIO	Health	Drug	Pharmaceutical Preparations	Paone Antoinette	MA	O	COO	M.d	0	0.00	10	479	13	D
1/3/24 16:35	1/2/24	GBIO	Health	Drug	Pharmaceutical Preparations	Paone Antoinette	MA	O	COO	S.d	-4	1.62	-2	-30	6	D
1/3/24 16:35	1/2/24	GBIO	Health	Drug	Pharmaceutical Preparations	Samayoa Phillip	MA	O	CHIEF ST	S.d	-4	1.62	-2	-2	107	D
12/11/23 16:30	12/8/23	GBIO	Health	Drug	Pharmaceutical Preparations	Appelhans Dannielle	MA	D		P	14	1.79	8	67	20	M
12/6/23 16:30	12/4/23	GBIO	Health	Drug	Pharmaceutical Preparations	Appelhans Dannielle	MA	D		P	18	1.50	12	New	12	D
12/5/23 16:30	12/1/23	GBIO	Health	Drug	Pharmaceutical Preparations	Quinn Anthony G.	MA	D		P	125	1.41	88	121	161	D
12/5/23 16:30	12/1/23	GBIO	Health	Drug	Pharmaceutical Preparations	Rowland Charles A Jr	MA	D		P.m	478	1.39	343	179	535	D
12/5/23 16:30	12/1/23	GBIO	Health	Drug	Pharmaceutical Preparations	Nicholson Donald William	MA	D		P	144	1.44	100	88	214	D
10/17/23 18:00	10/15/23	GBIO	Health	Drug	Pharmaceutical Preparations	Samayoa Phillip	MA	O	CHIEF ST	M.d	0	0.00	4	4	107	D
10/17/23 18:00	10/15/23	GBIO	Health	Drug	Pharmaceutical Preparations	Stanton Matthew	MA	O	CHIEF SC	M.d	0	0.00	7	3	235	D
10/17/23 18:00	10/15/23	GBIO	Health	Drug	Pharmaceutical Preparations	Zimmermann Tracy	MA	O	CHIEF DE	M.d	0	0.00	7	26	36	D
10/17/23 18:00	10/15/23	GBIO	Health	Drug	Pharmaceutical Preparations	Norkunas Matthew	MA	O	CFO	M.d	0	0.00	9	30	40	D
10/17/23 18:00	10/15/23	GBIO	Health	Drug	Pharmaceutical Preparations	McDonough Geoff	MA	DO	P,CEO	M.d	0	0.00	23	1	1,790	D
10/17/23 18:00	10/15/23	GBIO	Health	Drug	Pharmaceutical Preparations	Kerr Douglas	MA	O	CHIEF ME	M.d	0	0.00	7	2	370	D
10/17/23 18:00	10/15/23	GBIO	Health	Drug	Pharmaceutical Preparations	Paone Antoinette	MA	O	COO	M.d	0	0.00	4	242	6	D
8/25/23 16:35	8/23/23	GBIO	Health	Drug	Pharmaceutical Preparations	Paone Antoinette	MA	O	COO	S	-15	4.93	-3	-52	3	D
7/18/23 16:35	7/15/23	GBIO	Health	Drug	Pharmaceutical Preparations	Samayoa Phillip	MA	O	CHIEF ST	M.d	0	0.00	4	4	104	D
7/18/23 16:35	7/15/23	GBIO	Health	Drug	Pharmaceutical Preparations	Stanton Matthew	MA	O	CHIEF SC	M.d	0	0.00	7	3	229	D
7/18/23 16:35	7/15/23	GBIO	Health	Drug	Pharmaceutical Preparations	Paone Antoinette	MA	O	COO	M.d	0	0.00	4	217	6	D
7/18/23 16:35	7/15/23	GBIO	Health	Drug	Pharmaceutical Preparations	Zimmermann Tracy	MA	O	CHIEF DE	M.d	0	0.00	7	31	31	D
7/18/23 16:35	7/15/23	GBIO	Health	Drug	Pharmaceutical Preparations	Norkunas Matthew	MA	O	CFO	M.d	0	0.00	11	47	33	D
7/18/23 16:35	7/15/23	GBIO	Health	Drug	Pharmaceutical Preparations	McDonough Geoff	MA	DO	P,CEO	M.d	0	0.00	23	1	1,777	D
7/18/23 16:35	7/15/23	GBIO	Health	Drug	Pharmaceutical Preparations	Kerr Douglas	MA	O	CHIEF ME	M.d	0	0.00	7	2	365	D
7/5/23 16:35	7/3/23	GBIO	Health	Drug	Pharmaceutical Preparations	Samayoa Phillip	MA	O	CHIEF ST	S	-16	5.29	-3	-3	101	D
4/26/23 16:16	4/25/23	GBIO	Health	Drug	Pharmaceutical Preparations	Paone Antoinette	MA	O	COO	S	-13	4.61	-3	-100	0	D
4/18/23 16:24	4/15/23	GBIO	Health	Drug	Pharmaceutical Preparations	Samayoa Phillip	MA	O	CHIEF ST	M.d	0	0.00	4	4	101	D
4/18/23 16:22	4/15/23	GBIO	Health	Drug	Pharmaceutical Preparations	Stanton Matthew	MA	O	CHIEF SC	M.d	0	0.00	7	3	224	D
4/18/23 16:21	4/15/23	GBIO	Health	Drug	Pharmaceutical Preparations	Paone Antoinette	MA	O	COO	M.d	0	0.00	4		3	D
4/18/23 16:19	4/15/23	GBIO	Health	Drug	Pharmaceutical Preparations	Zimmermann Tracy	MA	O	CHIEF DE	M.d	0	0.00	7	40	26	D
4/18/23 16:17	4/15/23	GBIO	Health	Drug	Pharmaceutical Preparations	Norkunas Matthew	MA	O	CFO	M.d	0	0.00	7	40	26	D
4/18/23 16:16	4/15/23	GBIO	Health	Drug	Pharmaceutical Preparations	McDonough Geoff	MA	DO	P,CEO	M.d	0	0.00	23	1	1,758	D
4/18/23 16:14	4/15/23	GBIO	Health	Drug	Pharmaceutical Preparations	Kerr Douglas	MA	O	CHIEF ME	M.d	0	0.00	7	2	357	D
1/27/23 16:22	1/26/23	GBIO	Health	Drug	Pharmaceutical Preparations	Paone Antoinette	MA	O	COO	S	-15	5.56	-3	-100	0	D
1/18/23 17:05	1/15/23	GBIO	Health	Drug	Pharmaceutical Preparations	Zimmermann Tracy	MA	O	CHIEF DE	M.d	0	0.00	7	56	21	D
1/18/23 17:02	1/15/23	GBIO	Health	Drug	Pharmaceutical Preparations	Stanton Matthew	MA	O	CHIEF SC	M.d	0	0.00	7	4	219	D
1/18/23 16:59	1/15/23	GBIO	Health	Drug	Pharmaceutical Preparations	Samayoa Phillip	MA	O	CHIEF ST	M.d	0	0.00	4	4	99	D
1/18/23 16:57	1/15/23	GBIO	Health	Drug	Pharmaceutical Preparations	Norkunas Matthew	MA	O	CFO	M.d	0	0.00	7	56	21	D
1/18/23 16:54	1/15/23	GBIO	Health	Drug	Pharmaceutical Preparations	McDonough Geoff	MA	DO	P,CEO	M.d	0	0.00	23	1	1,741	D
1/18/23 16:52	1/15/23	GBIO	Health	Drug	Pharmaceutical Preparations	Kerr Douglas	MA	O	CHIEF ME	M.d	0	0.00	7	2	352	D
1/18/23 16:50	1/15/23	GBIO	Health	Drug	Pharmaceutical Preparations	Paone Antoinette	MA	O	COO	M.d	0	0.00	4		3	D
1/11/23 16:25	1/10/23	GBIO	Health	Drug	Pharmaceutical Preparations	Paone Antoinette	MA	O	COO	S	-9	4.57	-2	-100	0	D
1/10/23 16:57	1/9/23	GBIO	Health	Drug	Pharmaceutical Preparations	Samayoa Phillip	MA	O	CHIEF ST	S	-10	5.11	-2	-2	96	D
10/28/22 16:05	10/27/22	GBIO	Health	Drug	Pharmaceutical Preparations	Paone Antoinette	MA	O	COO	S	-15	5.03	-3	-100	0	D
10/18/22 16:46	10/15/22	GBIO	Health	Drug	Pharmaceutical Preparations	Paone Antoinette	MA	O	COO	M.d	0	0.00	4		3	D
10/18/22 16:45	10/15/22	GBIO	Health	Drug	Pharmaceutical Preparations	Zimmermann Tracy	MA	O	CHIEF DE	M.d	0	0.00	7	89	16	D
10/18/22 16:44	10/15/22	GBIO	Health	Drug	Pharmaceutical Preparations	Samayoa Phillip	MA	O	CHIEF ST	M.d	0	0.00	4	4	96	D
10/18/22 16:43	10/15/22	GBIO	Health	Drug	Pharmaceutical Preparations	Stanton Matthew	MA	O	CHIEF SC	M.d	0	0.00	7	4	214	D
10/18/22 16:41	10/15/22	GBIO	Health	Drug	Pharmaceutical Preparations	Kerr Douglas	MA	O	CHIEF ME	M.d	0	0.00	7	2	345	D
10/18/22 16:40	10/15/22	GBIO	Health	Drug	Pharmaceutical Preparations	Norkunas Matthew	MA	O	CFO	M.d	0	0.00	7	89	16	D
10/18/22 16:38	10/15/22	GBIO	Health	Drug	Pharmaceutical Preparations	McDonough Geoff	MA	DO	P,CEO	M.d	0	0.00	23	1	1,724	D
9/30/22 16:05	9/29/22	GBIO	Health	Drug	Pharmaceutical Preparations	Paone Antoinette	MA	O	COO	S	-15	5.24	-3	-100	0	D
9/20/22 16:16	9/19/22	GBIO	Health	Drug	Pharmaceutical Preparations	Rowland Charles A Jr	MA	D		P	83	5.26	16	9	192	D
9/19/22 17:33	9/15/22	GBIO	Health	Drug	Pharmaceutical Preparations	Paone Antoinette	MA	O	COO	S	-25	5.32	-5	-62	3	D
9/19/22 17:21	9/15/22	GBIO	Health	Drug	Pharmaceutical Preparations	Rowland Charles A Jr	MA	D		P.m	276	5.46	51	40	176	D
9/15/22 16:07	9/13/22	GBIO	Health	Drug	Pharmaceutical Preparations	Rowland Charles A Jr	MA	D		P.m	127	5.22	24	24	125	D
7/19/22 16:22	7/15/22	GBIO	Health	Drug	Pharmaceutical Preparations	McDonough Geoff	MA	DO	P,CEO	M.d	0	0.00	47	3	1,711	D
7/19/22 16:19	7/15/22	GBIO	Health	Drug	Pharmaceutical Preparations	Kerr Douglas	MA	O	CHIEF ME	M.d	0	0.00	15	5	340	D
7/19/22 16:16	7/15/22	GBIO	Health	Drug	Pharmaceutical Preparations	Norkunas Matthew	MA	O	CFO	M.d	0	0.00	15		11	D
7/19/22 16:14	7/15/22	GBIO	Health	Drug	Pharmaceutical Preparations	Paone Antoinette	MA	O	COO	M.d	0	0.00	8		7	D
7/19/22 16:11	7/15/22	GBIO	Health	Drug	Pharmaceutical Preparations	Stanton Matthew	MA	O	CHIEF SC	M.d	0	0.00	15	8	209	D
7/19/22 16:09	7/15/22	GBIO	Health	Drug	Pharmaceutical Preparations	Zimmermann Tracy	MA	O	CHIEF DE	M.d	0	0.00	15		11	D
3/11/22 16:53	3/9/22	GBIO	Health	Drug	Pharmaceutical Preparations	Nicholson Donald William	MA	D		P.m	49	4.73	10	10	114	D
9/29/21 19:16	9/27/21	GBIO	Health	Drug	Pharmaceutical Preparations	Rhodes Jason P	MA	D		S.m	-2,060	25.40	-81	-1	8,279	I
9/29/21 19:15	9/27/21	GBIO	Health	Drug	Pharmaceutical Preparations	Atlas Venture Associates X, L.P.	MA	T		S.m	-2,060	25.40	-81	-1	8,279	M
9/24/21 21:02	9/22/21	GBIO	Health	Drug	Pharmaceutical Preparations	Rhodes Jason P	MA	D		S.m	-3,512	26.02	-135	-2	8,280	I
9/24/21 20:59	9/22/21	GBIO	Health	Drug	Pharmaceutical Preparations	Atlas Venture Associates X, L.P.	MA	T		S.m	-3,512	26.02	-135	-2	8,361	M
9/16/21 16:12	9/14/21	GBIO	Health	Drug	Pharmaceutical Preparations	Stanton Matthew	MA	O	CHIEF SC	S.d	-126	28.07	-5	-2	198	D
9/16/21 16:12	9/14/21	GBIO	Health	Drug	Pharmaceutical Preparations	Stanton Matthew	MA	O	CHIEF SC	M.d	21	4.59	5	2	198	D
9/14/21 16:02	9/10/21	GBIO	Health	Drug	Pharmaceutical Preparations	Stanton Matthew	MA	O	CHIEF SC	S.d	-78	25.97	-3	-1	198	D
9/14/21 16:02	9/10/21	GBIO	Health	Drug	Pharmaceutical Preparations	Stanton Matthew	MA	O	CHIEF SC	M.d	14	4.59	3	2	198	D
8/25/21 16:05	8/23/21	GBIO	Health	Drug	Pharmaceutical Preparations	Stanton Matthew	MA	O	CHIEF SC	S.d	-38	25.04	-2	-1	198	D
8/25/21 16:05	8/23/21	GBIO	Health	Drug	Pharmaceutical Preparations	Stanton Matthew	MA	O	CHIEF SC	M.d	7	4.59	2	1	198	D
8/11/21 16:20	8/10/21	GBIO	Health	Drug	Pharmaceutical Preparations	Stanton Matthew	MA	O	CHIEF SC	M.d	7	4.59	2	1	198	D
8/11/21 16:20	8/10/21	GBIO	Health	Drug	Pharmaceutical Preparations	Stanton Matthew	MA	O	CHIEF SC	S.d	-34	22.63	-2	-1	198	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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