Scalzo Richard William - Insider Stock Trading

Filing Date	T Date	Ticker	Issuer	Inc	Sector	Ind	Industry	Owner	oSt	Rel	Title	T	TVal	Price	Qty	oc	Own	H
11/18/24 16:28	11/18/24	DYN	Dyne Therapeutics, Inc.	DE	Health	Drug	Pharmaceutical Preparations	Scalzo Richard William	MA	O	SVP,Head	S	-77	28.20	-3	-3	96	D
9/19/24 16:52	9/18/24	DYN	Dyne Therapeutics, Inc.	DE	Health	Drug	Pharmaceutical Preparations	Scalzo Richard William	MA	O	SVP,Head	S	-48	34.55	-1	-1	99	D
9/11/24 16:13	9/11/24	DYN	Dyne Therapeutics, Inc.	DE	Health	Drug	Pharmaceutical Preparations	Scalzo Richard William	MA	O	SVP,Head	S	-47	31.89	-1	-1	100	D
9/10/24 16:05	9/6/24	DYN	Dyne Therapeutics, Inc.	DE	Health	Drug	Pharmaceutical Preparations	Scalzo Richard William	MA	O	SVP,Head	M.d	1,463	12.56	116		101	D
9/10/24 16:05	9/6/24	DYN	Dyne Therapeutics, Inc.	DE	Health	Drug	Pharmaceutical Preparations	Scalzo Richard William	MA	O	SVP,Head	S.d	-4,053	32.15	-126	-55	101	D
8/20/24 16:28	8/19/24	DYN	Dyne Therapeutics, Inc.	DE	Health	Drug	Pharmaceutical Preparations	Scalzo Richard William	MA	O	SVP,Head	S	-124	45.12	-3	-2	111	D
6/11/24 19:28	6/10/24	DYN	Dyne Therapeutics, Inc.	DE	Health	Drug	Pharmaceutical Preparations	Scalzo Richard William	MA	O	SVP,Head	S.m	-90	30.74	-3	-3	114	D
5/17/24 21:04	5/16/24	DYN	Dyne Therapeutics, Inc.	DE	Health	Drug	Pharmaceutical Preparations	Scalzo Richard William	MA	O	SVP,Head	S	-73	28.27	-3	-2	117	D
3/12/24 21:57	3/8/24	DYN	Dyne Therapeutics, Inc.	DE	Health	Drug	Pharmaceutical Preparations	Scalzo Richard William	MA	O	SVP,Head	M.d	478	5.54	86	261	119	D
3/12/24 21:57	3/8/24	DYN	Dyne Therapeutics, Inc.	DE	Health	Drug	Pharmaceutical Preparations	Scalzo Richard William	MA	O	SVP,Head	S.dm	-2,329	26.19	-89	-43	119	D
3/11/24 21:45	3/7/24	DYN	Dyne Therapeutics, Inc.	DE	Health	Drug	Pharmaceutical Preparations	Scalzo Richard William	MA	O	SVP,Head	S	-59	25.85	-2	-2	122	D
3/1/24 21:37	2/29/24	DYN	Dyne Therapeutics, Inc.	DE	Health	Drug	Pharmaceutical Preparations	Scalzo Richard William	MA	O	SVP,Head	M.dm	13	1.03	13	11	124	D
3/1/24 21:37	2/29/24	DYN	Dyne Therapeutics, Inc.	DE	Health	Drug	Pharmaceutical Preparations	Scalzo Richard William	MA	O	SVP,Head	S.dm	-357	28.05	-13	-9	124	D
1/26/24 19:47	1/26/24	DYN	Dyne Therapeutics, Inc.	DE	Health	Drug	Pharmaceutical Preparations	Scalzo Richard William	MA	O	SVP,Head	M.d	13	1.03	13	12	124	D
1/26/24 19:47	1/26/24	DYN	Dyne Therapeutics, Inc.	DE	Health	Drug	Pharmaceutical Preparations	Scalzo Richard William	MA	O	SVP,Head	S.d	-316	24.34	-13	-9	124	D
1/4/24 21:46	1/3/24	DYN	Dyne Therapeutics, Inc.	DE	Health	Drug	Pharmaceutical Preparations	Scalzo Richard William	MA	O	SVP,Head	M.d	13	1.03	13	12	124	D
1/4/24 21:46	1/3/24	DYN	Dyne Therapeutics, Inc.	DE	Health	Drug	Pharmaceutical Preparations	Scalzo Richard William	MA	O	SVP,Head	S.d	-245	18.81	-13	-9	124	D
12/14/23 16:59	12/14/23	DYN	Dyne Therapeutics, Inc.	DE	Health	Drug	Pharmaceutical Preparations	Scalzo Richard William	MA	O	See Rema	S	-29	12.02	-2	-2	124	D
12/12/23 17:35	12/11/23	DYN	Dyne Therapeutics, Inc.	DE	Health	Drug	Pharmaceutical Preparations	Scalzo Richard William	MA	O	See Rema	S	-15	10.72	-1	-1	127	D
12/6/23 18:13	12/4/23	DYN	Dyne Therapeutics, Inc.	DE	Health	Drug	Pharmaceutical Preparations	Scalzo Richard William	MA	O	See Rema	S.m	-31	12.01	-3	-2	128	D
9/20/23 16:49	9/18/23	DYN	Dyne Therapeutics, Inc.	DE	Health	Drug	Pharmaceutical Preparations	Scalzo Richard William	MA	O	See Rema	S	-12	9.41	-1	-3	41	D
9/13/23 19:53	9/12/23	DYN	Dyne Therapeutics, Inc.	DE	Health	Drug	Pharmaceutical Preparations	Scalzo Richard William	MA	O	See Rema	S	-15	10.41	-1	-3	42	D
6/15/23 17:46	6/13/23	DYN	Dyne Therapeutics, Inc.	DE	Health	Drug	Pharmaceutical Preparations	Scalzo Richard William	MA	O	See Rema	S.dm	-653	12.71	-51	-54	43	D
6/15/23 17:46	6/13/23	DYN	Dyne Therapeutics, Inc.	DE	Health	Drug	Pharmaceutical Preparations	Scalzo Richard William	MA	O	See Rema	M.d	41	1.03	40	999%	43	D
3/15/23 17:51	3/14/23	DYN	Dyne Therapeutics, Inc.	DE	Health	Drug	Pharmaceutical Preparations	Scalzo Richard William	MA	O	See Rema	S	-17	13.33	-1	-2	55	D
12/13/22 17:06	12/12/22	DYN	Dyne Therapeutics, Inc.	DE	Health	Drug	Pharmaceutical Preparations	Scalzo Richard William	MA	O	See Rema	S.d	-3	10.87	0	-1	56	D
3/14/22 17:09	3/11/22	DYN	Dyne Therapeutics, Inc.	DE	Health	Drug	Pharmaceutical Preparations	Scalzo Richard William	MA	O	See Rema	S	-3	8.73	0	-1	27	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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