High Susanna Gatti - Insider Stock Trading

Filing Date	T Date	Ticker	Issuer	Inc	Sector	Ind	Industry	Owner	oSt	Rel	Title	T	TVal	Price	Qty	oc	Own	H
9/19/24 16:52	9/18/24	DYN	Dyne Therapeutics, Inc.	DE	Health	Drug	Pharmaceutical Preparations	High Susanna Gatti	MA	O	COO	S	-309	34.41	-9	-6	132	D
9/11/24 16:13	9/11/24	DYN	Dyne Therapeutics, Inc.	DE	Health	Drug	Pharmaceutical Preparations	High Susanna Gatti	MA	O	COO	S	-168	31.89	-5	-4	141	D
8/20/24 16:26	8/19/24	DYN	Dyne Therapeutics, Inc.	DE	Health	Drug	Pharmaceutical Preparations	High Susanna Gatti	MA	O	COO	S	-131	45.12	-3	-2	146	D
7/3/24 21:00	6/21/24	DYN	Dyne Therapeutics, Inc.	DE	Health	Drug	Pharmaceutical Preparations	High Susanna Gatti	MA	O	COO	S.adm	-1,404	35.09	-40	-21	149	D
6/24/24 20:41	6/21/24	DYN	Dyne Therapeutics, Inc.	DE	Health	Drug	Pharmaceutical Preparations	High Susanna Gatti	MA	O	COO	S.dm	-1,402	35.09	-40	-21	149	D
6/13/24 21:45	6/12/24	DYN	Dyne Therapeutics, Inc.	DE	Health	Drug	Pharmaceutical Preparations	High Susanna Gatti	MA	O	COO	S.d	-1,334	33.36	-40	-21	149	D
6/11/24 19:34	6/10/24	DYN	Dyne Therapeutics, Inc.	DE	Health	Drug	Pharmaceutical Preparations	High Susanna Gatti	MA	O	COO	S.dm	-2,584	30.30	-85	-36	149	D
5/17/24 21:05	5/16/24	DYN	Dyne Therapeutics, Inc.	DE	Health	Drug	Pharmaceutical Preparations	High Susanna Gatti	MA	O	COO	S	-77	28.27	-3	-2	154	D
3/13/24 06:04	3/8/24	DYN	Dyne Therapeutics, Inc.	DE	Health	Drug	Pharmaceutical Preparations	High Susanna Gatti	MA	O	COO	S.m	-784	26.59	-29	-16	157	D
3/11/24 21:56	3/7/24	DYN	Dyne Therapeutics, Inc.	DE	Health	Drug	Pharmaceutical Preparations	High Susanna Gatti	MA	O	COO	S	-41	25.85	-2	-1	186	D
12/12/23 17:34	12/11/23	DYN	Dyne Therapeutics, Inc.	DE	Health	Drug	Pharmaceutical Preparations	High Susanna Gatti	MA	O	COO	S	-17	10.72	-2	-1	188	D
11/2/23 17:16	11/2/23	DYN	Dyne Therapeutics, Inc.	DE	Health	Drug	Pharmaceutical Preparations	High Susanna Gatti	MA	O	COO	S	-74	7.40	-10	-10	95	D
9/20/23 16:48	9/18/23	DYN	Dyne Therapeutics, Inc.	DE	Health	Drug	Pharmaceutical Preparations	High Susanna Gatti	MA	O	COO	S	-25	9.41	-3	-2	105	D
9/13/23 19:51	9/12/23	DYN	Dyne Therapeutics, Inc.	DE	Health	Drug	Pharmaceutical Preparations	High Susanna Gatti	MA	O	COO	S	-17	10.41	-2	-2	107	D
6/14/23 18:40	6/13/23	DYN	Dyne Therapeutics, Inc.	DE	Health	Drug	Pharmaceutical Preparations	High Susanna Gatti	MA	O	COO	S	-20	12.43	-2	-1	109	D
3/15/23 17:50	3/14/23	DYN	Dyne Therapeutics, Inc.	DE	Health	Drug	Pharmaceutical Preparations	High Susanna Gatti	MA	O	COO	S	-21	13.33	-2	-1	110	D
12/13/22 17:05	12/12/22	DYN	Dyne Therapeutics, Inc.	DE	Health	Drug	Pharmaceutical Preparations	High Susanna Gatti	MA	O	COO	S.d	-8	10.87	-1	-1	112	D
3/14/22 17:08	3/11/22	DYN	Dyne Therapeutics, Inc.	DE	Health	Drug	Pharmaceutical Preparations	High Susanna Gatti	MA	O	COO	S	-7	8.73	-1	-1	73	D
9/24/21 10:50	9/23/21	DYN	Dyne Therapeutics, Inc.	DE	Health	Drug	Pharmaceutical Preparations	High Susanna Gatti	MA	O	COO	S	-42	17.22	-2	-7	33	D
12/21/18 16:11	12/6/18	BLUE	Bluebird Bio, Inc.	DE	Health	BioPrd	Biological Products, (No Diag	High Susanna Gatti	MA	O	COO	S.ad	-198	105.71	-2	-12	14	D
12/10/18 16:11	12/6/18	BLUE	Bluebird Bio, Inc.	DE	Health	BioPrd	Biological Products, (No Diag	High Susanna Gatti	MA	O	COO	S	-198	105.71	-2	-12	14	D
12/6/18 16:14	12/3/18	BLUE	Bluebird Bio, Inc.	DE	Health	BioPrd	Biological Products, (No Diag	High Susanna Gatti	MA	O	COO	S	-215	113.83	-2	-11	16	D
6/6/18 16:36	6/4/18	BLUE	Bluebird Bio, Inc.	DE	Health	BioPrd	Biological Products, (No Diag	High Susanna Gatti	MA	O	COO	S.d	-697	199.11	-4	-17	18	D
3/2/18 16:01	2/28/18	BLUE	Bluebird Bio, Inc.	DE	Health	BioPrd	Biological Products, (No Diag	High Susanna Gatti	MA	O	COO	S.d	-212	202.67	-1	-6	18	D
2/1/18 16:31	1/30/18	BLUE	Bluebird Bio, Inc.	DE	Health	BioPrd	Biological Products, (No Diag	High Susanna Gatti	MA	O	COO	S.d	-3,382	195.91	-17	-61	11	D
12/5/17 16:09	12/1/17	BLUE	Bluebird Bio, Inc.	DE	Health	BioPrd	Biological Products, (No Diag	High Susanna Gatti	MA	O	COO	S	-221	172.15	-1	-9	14	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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