Zimmermann Tracy - Insider Stock Trading

Filing Date	T Date	Ticker	Issuer	Inc	Sector	Ind	Industry	Owner	oSt	Rel	Title	T	TVal	Price	Qty	oc	Own	H
1/31/24 16:30	1/29/24	GBIO	Generation Bio Co.	DE	Health	Drug	Pharmaceutical Preparations	Zimmermann Tracy	MA	O	CHIEF DE	M.d	0	0.00	5	11	49	D
1/17/24 17:00	1/15/24	GBIO	Generation Bio Co.	DE	Health	Drug	Pharmaceutical Preparations	Zimmermann Tracy	MA	O	CHIEF DE	M.d	0	0.00	14	45	46	D
10/17/23 18:00	10/15/23	GBIO	Generation Bio Co.	DE	Health	Drug	Pharmaceutical Preparations	Zimmermann Tracy	MA	O	CHIEF DE	M.d	0	0.00	7	26	36	D
7/18/23 16:35	7/15/23	GBIO	Generation Bio Co.	DE	Health	Drug	Pharmaceutical Preparations	Zimmermann Tracy	MA	O	CHIEF DE	M.d	0	0.00	7	31	31	D
4/18/23 16:19	4/15/23	GBIO	Generation Bio Co.	DE	Health	Drug	Pharmaceutical Preparations	Zimmermann Tracy	MA	O	CHIEF DE	M.d	0	0.00	7	40	26	D
1/18/23 17:05	1/15/23	GBIO	Generation Bio Co.	DE	Health	Drug	Pharmaceutical Preparations	Zimmermann Tracy	MA	O	CHIEF DE	M.d	0	0.00	7	56	21	D
10/18/22 16:45	10/15/22	GBIO	Generation Bio Co.	DE	Health	Drug	Pharmaceutical Preparations	Zimmermann Tracy	MA	O	CHIEF DE	M.d	0	0.00	7	89	16	D
7/19/22 16:09	7/15/22	GBIO	Generation Bio Co.	DE	Health	Drug	Pharmaceutical Preparations	Zimmermann Tracy	MA	O	CHIEF DE	M.d	0	0.00	15		11	D
5/5/21 16:10	5/3/21	GBIO	Generation Bio Co.	DE	Health	Drug	Pharmaceutical Preparations	Zimmermann Tracy	MA	O	CHIEF DE	M.d	11	4.59	3		0	D
5/5/21 16:10	5/3/21	GBIO	Generation Bio Co.	DE	Health	Drug	Pharmaceutical Preparations	Zimmermann Tracy	MA	O	CHIEF DE	S.d	-89	35.70	-3	-100	0	D
4/23/21 16:05	4/22/21	GBIO	Generation Bio Co.	DE	Health	Drug	Pharmaceutical Preparations	Zimmermann Tracy	MA	O	CHIEF DE	M.d	11	4.59	3		0	D
4/23/21 16:05	4/22/21	GBIO	Generation Bio Co.	DE	Health	Drug	Pharmaceutical Preparations	Zimmermann Tracy	MA	O	CHIEF DE	S.d	-83	33.32	-3	-100	0	D
3/5/21 16:05	3/3/21	GBIO	Generation Bio Co.	DE	Health	Drug	Pharmaceutical Preparations	Zimmermann Tracy	MA	O	CHIEF DE	M.d	14	4.59	3		0	D
3/5/21 16:05	3/3/21	GBIO	Generation Bio Co.	DE	Health	Drug	Pharmaceutical Preparations	Zimmermann Tracy	MA	O	CHIEF DE	S.d	-124	41.38	-3	-100	0	D
3/3/21 16:10	3/1/21	GBIO	Generation Bio Co.	DE	Health	Drug	Pharmaceutical Preparations	Zimmermann Tracy	MA	O	CHIEF DE	M.d	11	4.59	3		0	D
3/3/21 16:10	3/1/21	GBIO	Generation Bio Co.	DE	Health	Drug	Pharmaceutical Preparations	Zimmermann Tracy	MA	O	CHIEF DE	S.d	-97	38.84	-3	-100	0	D
2/4/21 16:05	2/2/21	GBIO	Generation Bio Co.	DE	Health	Drug	Pharmaceutical Preparations	Zimmermann Tracy	MA	O	CHIEF DE	M.d	11	4.59	3		0	D
2/4/21 16:05	2/2/21	GBIO	Generation Bio Co.	DE	Health	Drug	Pharmaceutical Preparations	Zimmermann Tracy	MA	O	CHIEF DE	S.d	-83	33.05	-3	-100	0	D
1/15/21 16:06	1/14/21	GBIO	Generation Bio Co.	DE	Health	Drug	Pharmaceutical Preparations	Zimmermann Tracy	MA	O	CHIEF DE	M.d	11	4.59	3		0	D
1/15/21 16:06	1/14/21	GBIO	Generation Bio Co.	DE	Health	Drug	Pharmaceutical Preparations	Zimmermann Tracy	MA	O	CHIEF DE	S.d	-83	33.09	-3	-100	0	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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