Dyne Therapeutics, Inc. - DYN

Include option trades

Include indirect trades

Latest data: 4/24/2026 10:05:43 PM

EDGAR CIK

1 Month 3 Month 6 Month 1 Year 2 Years

Buy Breakdown

Total $1,029,040

Sell Breakdown

Total $421,611

Monthly Totals

Transaction	Filed	Name	Type	Shares @ Price	Value	Balance change		Ownership
04/01/2026 10b5-1	04/03/2026	Lucera Erick Chief Financial Officer CFO	Sell	-5,727 @ $18.64	($106,751.28)	125,373	(-4.37%)	Direct
03/30/2026	04/01/2026	Posner Brian S Director	Buy	2,000 @ $17.08	$34,160.00	15,500	(14.81%)	Direct
03/11/2026	03/13/2026	Posner Brian S Director	Buy	2,000 @ $19.35	$38,700.00	13,500	(17.39%)	Direct
03/06/2026	03/10/2026	Posner Brian S Director	Buy	3,000 @ $15.06	$45,180.00	11,500	(35.29%)	Direct
03/05/2026 10b5-1	03/06/2026	Cox John CEO & President CEO Director	Sell	-2,732 @ $14.90	($40,706.80)	374,145	(-0.72%)	Direct
03/05/2026 10b5-1	03/06/2026	Friedl-Naderer Johanna Chief Commercial Officer Officer	Sell	-148 @ $14.90	($2,205.20)	154,581	(-0.10%)	Direct
03/05/2026 10b5-1	03/06/2026	Kerr Douglas Chief Medical Officer Officer	Sell	-904 @ $14.90	($13,469.60)	171,606	(-0.52%)	Direct
12/05/2025 10b5-1	12/05/2025	Cox John CEO & President CEO Director	Sell	-2,662 @ $20.72	($55,156.64)	196,877	(-1.33%)	Direct
12/05/2025 10b5-1	12/05/2025	Friedl-Naderer Johanna Chief Commercial Officer Officer	Sell	-144 @ $20.72	($2,983.68)	94,729	(-0.15%)	Direct
12/05/2025 10b5-1	12/05/2025	Kerr Douglas Chief Medical Officer Officer	Sell	-880 @ $20.72	($18,233.60)	87,510	(-1.00%)	Direct
09/05/2025 10b5-1	09/09/2025	Cox John CEO & President CEO Director	Sell	-2,640 @ $13.41	($35,402.40)	199,539	(-1.31%)	Direct
09/05/2025 10b5-1	09/08/2025	Friedl-Naderer Johanna Chief Commercial Officer Officer	Sell	-144 @ $13.41	($1,931.04)	94,873	(-0.15%)	Direct
09/05/2025 10b5-1	09/08/2025	Kerr Douglas Chief Medical Officer Officer	Sell	-873 @ $13.41	($11,706.93)	88,390	(-0.98%)	Direct
09/04/2025 10b5-1	09/08/2025	Friedl-Naderer Johanna Chief Commercial Officer Officer	Sell	-894 @ $13.27	($11,863.38)	95,017	(-0.93%)	Direct
09/04/2025 10b5-1	09/08/2025	Kerr Douglas Chief Medical Officer Officer	Sell	-3,552 @ $13.27	($47,135.04)	89,263	(-3.83%)	Direct
07/14/2025	07/15/2025	Cox John CEO & President CEO Director	Buy	100,000 @ $9.11	$911,000.00	242,179	(70.33%)	Direct
06/05/2025 10b5-1	06/06/2025	Cox John CEO & President CEO Director	Sell	-4,060 @ $13.35	($54,201.00)	142,179	(-2.78%)	Direct
06/05/2025 10b5-1	06/06/2025	Friedl-Naderer Johanna Chief Commercial Officer Officer	Sell	-146 @ $13.35	($1,949.10)	95,911	(-0.15%)	Direct
06/05/2025 10b5-1	06/06/2025	Kerr Douglas Chief Medical Officer Officer	Sell	-1,342 @ $13.35	($17,915.70)	92,815	(-1.43%)	Direct