Dyne Therapeutics Inc (DYN)

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Insider transactions

A complete record of Form 4 filings tracking every share acquisition and disposal by executives, directors, and senior officers. Filterable by date range and transaction type, the table exposes the direct market actions of those with the deepest knowledge of a company's operations — providing a factual, data-driven signal of internal conviction that complements traditional fundamental and technical analysis.

Transaction date	Executive	Executive Title	Security Type	Acquisition / Disposal	Shares	Share price
Sep 8, 2026	FRIEDL-NADERER, JOHANNA	Chief Commercial Officer	Common Stock	Disposal	185	18.88
Sep 8, 2026	COX, JOHN	Director, CEO & President	Common Stock	Disposal	5,658	18.88
Sep 8, 2026	KERR, DOUGLAS	Chief Medical Officer	Common Stock	Disposal	1,290	18.88
Sep 4, 2026	FRIEDL-NADERER, JOHANNA	Chief Commercial Officer	Common Stock	Disposal	900	24.35
Sep 4, 2026	KERR, DOUGLAS	Chief Medical Officer	Common Stock	Disposal	3,745	24.35
Aug 14, 2026	RHODES, JASON P	Director	Common Stock	Disposal	478,377	25
Aug 14, 2026	RHODES, JASON P	Director	Common Stock	Disposal	322,465	25
Aug 14, 2026	RHODES, JASON P	Director	Common Stock	Disposal	1,359,674	25
Aug 13, 2026	RHODES, JASON P	Director	Common Stock	Disposal	94,415	26.2
Aug 13, 2026	RHODES, JASON P	Director	Common Stock	Disposal	268,354	26.2
Aug 13, 2026	LUCERA, ERICK	Chief Financial Officer	Common Stock	Disposal	1,797	26.28
Aug 13, 2026	FRIEDL-NADERER, JOHANNA	Chief Commercial Officer	Common Stock	Disposal	226	26.28
Aug 13, 2026	KERR, DOUGLAS	Chief Medical Officer	Common Stock	Disposal	1,556	26.28
Aug 13, 2026	RHODES, JASON P	Director	Common Stock	Disposal	63,643	26.2
Aug 13, 2026	COX, JOHN	Director, CEO & President	Common Stock	Disposal	4,986	26.28
Jul 27, 2026	KERSTEN, DIRK	Director	Common Stock	Disposal	256,072	25.502
Jul 27, 2026	KERSTEN, DIRK	Director	Common Stock	Disposal	5,388	26.043
Jul 7, 2026	RHODES, JASON P	Director	Common Stock	Disposal	49,193	23.17
Jul 7, 2026	RHODES, JASON P	Director	Common Stock	Disposal	62,543	23.17
Jul 7, 2026	RHODES, JASON P	Director	Common Stock	Disposal	14,844	23.62
Jul 7, 2026	RHODES, JASON P	Director	Common Stock	Disposal	124,379	23.17
Jul 7, 2026	RHODES, JASON P	Director	Common Stock	Disposal	11,665	23.62
Jul 7, 2026	RHODES, JASON P	Director	Common Stock	Disposal	29,587	23.62
Jul 7, 2026	RHODES, JASON P	Director	Common Stock	Disposal	5,000	23.61
Jul 6, 2026	RHODES, JASON P	Director	Common Stock	Disposal	127,182	22.79
Jul 6, 2026	RHODES, JASON P	Director	Common Stock	Disposal	253,039	22.79
Jul 6, 2026	RHODES, JASON P	Director	Common Stock	Disposal	100,019	22.79
Jun 29, 2026	RHODES, JASON P	Director	Common Stock	Disposal	102,969	21.14
Jun 29, 2026	RHODES, JASON P	Director	Common Stock	Disposal	40,702	21.14
Jun 29, 2026	RHODES, JASON P	Director	Common Stock	Disposal	51,756	21.14
Jun 26, 2026	RHODES, JASON P	Director	Common Stock	Disposal	64,411	21.28
Jun 26, 2026	RHODES, JASON P	Director	Common Stock	Disposal	81,903	21.28
Jun 26, 2026	RHODES, JASON P	Director	Common Stock	Disposal	162,954	21.28
Jun 25, 2026	RHODES, JASON P	Director	Common Stock	Disposal	6,382	21.1
Jun 25, 2026	LUCERA, ERICK	Chief Financial Officer	Common Stock	Disposal	2,362	20.37
Jun 25, 2026	RHODES, JASON P	Director	Common Stock	Disposal	12,699	21.1
Jun 25, 2026	RHODES, JASON P	Director	Common Stock	Disposal	5,019	21.1
Jun 24, 2026	RHODES, JASON P	Director	Common Stock	Disposal	50,530	21.02
Jun 24, 2026	RHODES, JASON P	Director	Common Stock	Disposal	19,973	21.02
Jun 24, 2026	RHODES, JASON P	Director	Common Stock	Disposal	25,397	21.02
Jun 23, 2026	KERSTEN, DIRK	Director	Common Stock	Disposal	71,629	21.036
Jun 23, 2026	KERSTEN, DIRK	Director	Common Stock	Disposal	1,657	21.474
Jun 23, 2026	RHODES, JASON P	Director	Common Stock	Disposal	39,131	21.13
Jun 23, 2026	RHODES, JASON P	Director	Common Stock	Disposal	77,855	21.13
Jun 23, 2026	RHODES, JASON P	Director	Common Stock	Disposal	30,774	21.13
Jun 22, 2026	GREENE, BARRY E	Director	Stock option (right to buy)	Acquisition	57,463	0
Jun 22, 2026	KERSTEN, DIRK	Director	Common Stock	Disposal	190,676	20.57
Jun 18, 2026	KERSTEN, DIRK	Director	Common Stock	Disposal	46,901	20.072
Jun 17, 2026	KERSTEN, DIRK	Director	Common Stock	Disposal	37,454	20.14
Jun 16, 2026	COX, JOHN	Director, CEO & President	Common Stock	Disposal	2,683	18.33
Jun 16, 2026	FRIEDL-NADERER, JOHANNA	Chief Commercial Officer	Common Stock	Disposal	145	18.33
Jun 16, 2026	KERR, DOUGLAS	Chief Medical Officer	Common Stock	Disposal	887	18.33
Jun 8, 2026	POSNER, BRIAN S	Director	Common Stock	Acquisition	2,000	16.94
Jun 5, 2026	RHODES, JASON P	Director	Stock option (right to buy)	Acquisition	35,152	0
Jun 5, 2026	KERSTEN, DIRK	Director	Stock option (right to buy)	Acquisition	35,152	0
Jun 5, 2026	INCERTI, CARLO	Director	Stock option (right to buy)	Acquisition	35,152	0
Jun 5, 2026	LUBNER, DAVID CHARLES	Director	Stock option (right to buy)	Acquisition	35,152	0
Jun 5, 2026	STEHMAN-BREEN, CATHERINE	Director	Stock option (right to buy)	Acquisition	35,152	0
Jun 5, 2026	POSNER, BRIAN S	Director	Stock option (right to buy)	Acquisition	35,152	0
Jun 5, 2026	HURWITZ, EDWARD	Director	Stock option (right to buy)	Acquisition	35,152	0
Jun 3, 2026	POSNER, BRIAN S	Director	Common Stock	Acquisition	2,500	17.48
May 26, 2026	POSNER, BRIAN S	Director	Common Stock	Acquisition	2,000	18.21
May 20, 2026	POSNER, BRIAN S	Director	Common Stock	Acquisition	2,500	17.12
May 13, 2026	KERR, DOUGLAS	Chief Medical Officer	Common Stock	Disposal	1,564	18.36
May 13, 2026	COX, JOHN	Director, CEO & President	Common Stock	Disposal	3,311	18.36
May 13, 2026	LUCERA, ERICK	Chief Financial Officer	Common Stock	Disposal	1,448	18.36
May 13, 2026	FRIEDL-NADERER, JOHANNA	Chief Commercial Officer	Common Stock	Disposal	228	18.36
May 6, 2026	RHODES, JASON P	Director	Common Stock	Disposal	43,621	18.18
May 6, 2026	RHODES, JASON P	Director	Common Stock	Disposal	21,926	18.18
May 6, 2026	RHODES, JASON P	Director	Common Stock	Disposal	428	18.18
May 6, 2026	RHODES, JASON P	Director	Common Stock	Disposal	17,244	18.18
May 5, 2026	RHODES, JASON P	Director	Common Stock	Disposal	2,403	18.03
May 5, 2026	RHODES, JASON P	Director	Common Stock	Disposal	6,081	18.03
May 5, 2026	RHODES, JASON P	Director	Common Stock	Disposal	3,056	18.03
May 5, 2026	RHODES, JASON P	Director	Common Stock	Disposal	60	18.03
May 4, 2026	RHODES, JASON P	Director	Common Stock	Disposal	6,241	18
May 4, 2026	RHODES, JASON P	Director	Common Stock	Disposal	3,136	18
May 4, 2026	RHODES, JASON P	Director	Common Stock	Disposal	2,466	18
May 4, 2026	RHODES, JASON P	Director	Common Stock	Disposal	61	18
Apr 28, 2026	RHODES, JASON P	Director	Common Stock	Disposal	1,170	18.38
Apr 28, 2026	RHODES, JASON P	Director	Common Stock	Disposal	59,870	18.38
Apr 28, 2026	RHODES, JASON P	Director	Common Stock	Disposal	21	19
Apr 28, 2026	RHODES, JASON P	Director	Common Stock	Disposal	26	19
Apr 28, 2026	RHODES, JASON P	Director	Common Stock	Disposal	52	19
Apr 28, 2026	RHODES, JASON P	Director	Common Stock	Disposal	1	19
Apr 28, 2026	RHODES, JASON P	Director	Common Stock	Disposal	47,082	18.38
Apr 28, 2026	RHODES, JASON P	Director	Common Stock	Disposal	119,115	18.38
Apr 27, 2026	RHODES, JASON P	Director	Common Stock	Disposal	45,709	18.15
Apr 27, 2026	RHODES, JASON P	Director	Common Stock	Disposal	35,947	18.15
Apr 27, 2026	RHODES, JASON P	Director	Common Stock	Disposal	894	18.15
Apr 27, 2026	RHODES, JASON P	Director	Common Stock	Disposal	90,943	18.15
Apr 24, 2026	RHODES, JASON P	Director	Common Stock	Disposal	28,583	18.48
Apr 24, 2026	LUBNER, DAVID CHARLES	Director	Common Stock	Disposal	53,625	0
Apr 24, 2026	RHODES, JASON P	Director	Common Stock	Disposal	72,310	18.48
Apr 24, 2026	RHODES, JASON P	Director	Common Stock	Disposal	710	18.48
Apr 24, 2026	RHODES, JASON P	Director	Common Stock	Disposal	36,345	18.48
Apr 23, 2026	RHODES, JASON P	Director	Common Stock	Disposal	377	19.19
Apr 23, 2026	RHODES, JASON P	Director	Common Stock	Disposal	19,261	19.19
Apr 23, 2026	RHODES, JASON P	Director	Common Stock	Disposal	38,322	19.19
Apr 23, 2026	RHODES, JASON P	Director	Common Stock	Disposal	15,148	19.19
Apr 22, 2026	RHODES, JASON P	Director	Common Stock	Disposal	150,942	19.68
Apr 22, 2026	KERSTEN, DIRK	Director	Common Stock	Disposal	2,652	20.004
Apr 22, 2026	RHODES, JASON P	Director	Common Stock	Disposal	1,485	19.68
Apr 22, 2026	RHODES, JASON P	Director	Common Stock	Disposal	59,663	19.68
Apr 22, 2026	RHODES, JASON P	Director	Common Stock	Disposal	75,866	19.68
Apr 21, 2026	RHODES, JASON P	Director	Common Stock	Disposal	605	20.05
Apr 21, 2026	RHODES, JASON P	Director	Common Stock	Disposal	769	20.05
Apr 21, 2026	RHODES, JASON P	Director	Common Stock	Disposal	1,398	19.51
Apr 21, 2026	RHODES, JASON P	Director	Common Stock	Disposal	1,530	20.05
Apr 21, 2026	RHODES, JASON P	Director	Common Stock	Disposal	71,499	19.51
Apr 21, 2026	RHODES, JASON P	Director	Common Stock	Disposal	56,228	19.51
Apr 21, 2026	RHODES, JASON P	Director	Common Stock	Disposal	15	20.05
Apr 21, 2026	RHODES, JASON P	Director	Common Stock	Disposal	142,253	19.51
Apr 21, 2026	KERSTEN, DIRK	Director	Common Stock	Disposal	8,300	20.015
Apr 20, 2026	RHODES, JASON P	Director	Common Stock	Disposal	71,676	20.06
Apr 20, 2026	RHODES, JASON P	Director	Common Stock	Disposal	1,401	20.06
Apr 20, 2026	RHODES, JASON P	Director	Common Stock	Disposal	56,368	20.06
Apr 20, 2026	KERSTEN, DIRK	Director	Common Stock	Disposal	125,274	20.067
Apr 20, 2026	RHODES, JASON P	Director	Common Stock	Disposal	142,604	20.06
Apr 17, 2026	KERSTEN, DIRK	Director	Common Stock	Disposal	211,974	20.292
Apr 16, 2026	KERSTEN, DIRK	Director	Common Stock	Disposal	11,116	21.104
Apr 16, 2026	KERSTEN, DIRK	Director	Common Stock	Disposal	6,657	20.058
Apr 15, 2026	KERSTEN, DIRK	Director	Common Stock	Disposal	81,840	20.272
Apr 1, 2026	LUCERA, ERICK	Chief Financial Officer	Common Stock	Disposal	5,727	18.64
Mar 30, 2026	POSNER, BRIAN S	Director	Common Stock	Acquisition	2,000	17.08
Mar 11, 2026	KERSTEN, DIRK	Director	Common Stock	Disposal	129,672	19.515
Mar 11, 2026	POSNER, BRIAN S	Director	Common Stock	Acquisition	2,000	19.35
Mar 10, 2026	KERSTEN, DIRK	Director	Common Stock	Disposal	281,858	19.8
Mar 10, 2026	KERSTEN, DIRK	Director	Common Stock	Disposal	219,758	19.325
Mar 10, 2026	KERSTEN, DIRK	Director	Common Stock	Disposal	9,482	18.212
Mar 9, 2026	KERSTEN, DIRK	Director	Common Stock	Disposal	177,690	17.722
Mar 6, 2026	POSNER, BRIAN S	Director	Common Stock	Acquisition	3,000	15.06
Mar 5, 2026	COX, JOHN	Director, CEO & President	Common Stock	Disposal	2,732	14.9
Mar 5, 2026	KERR, DOUGLAS	Chief Medical Officer	Common Stock	Disposal	904	14.9
Mar 5, 2026	FRIEDL-NADERER, JOHANNA	Chief Commercial Officer	Common Stock	Disposal	148	14.9
Feb 12, 2026	FRIEDL-NADERER, JOHANNA	Chief Commercial Officer	Common Stock	Acquisition	60,000	0
Feb 12, 2026	LUCERA, ERICK	Chief Financial Officer	Common Stock	Acquisition	65,000	0
Feb 12, 2026	KERR, DOUGLAS	Chief Medical Officer	Common Stock	Acquisition	85,000	0
Feb 12, 2026	COX, JOHN	Director, CEO & President	Stock option (right to buy)	Acquisition	285,000	0
Feb 12, 2026	LUCERA, ERICK	Chief Financial Officer	Stock Option (Right to Buy)	Acquisition	105,000	0
Feb 12, 2026	KERR, DOUGLAS	Chief Medical Officer	Stock option (right to buy)	Acquisition	130,000	0
Feb 12, 2026	FRIEDL-NADERER, JOHANNA	Chief Commercial Officer	Stock option (right to buy)	Acquisition	90,000	0
Feb 12, 2026	COX, JOHN	Director, CEO & President	Common Stock	Acquisition	180,000	0
Dec 22, 2025	KARNANI, VIKRAM	Director	Stock option (right to buy)	Acquisition	59,665	0
Dec 5, 2025	FRIEDL-NADERER, JOHANNA	Chief Commercial Officer	Common Stock	Disposal	144	20.72
Dec 5, 2025	KERR, DOUGLAS	Chief Medical Officer	Common Stock	Disposal	880	20.72
Dec 5, 2025	COX, JOHN	Director, CEO & President	Common Stock	Disposal	2,662	20.72
Oct 1, 2025	POSNER, BRIAN S	Director	Stock option (right to buy)	Acquisition	70,000	0