Insider Buying and Selling - Cox John - Insider Drift

Dyne Therapeutics, Inc. - DYN

CEO Director

CEO & President

Direct Buys

1

$911,000

100,000 Shares

Direct Sells

4

($192,056)

-11,345 Shares

Indirect Buys

0

$0

0 Shares

Indirect Sells

0

$0

0 Shares

Monthly Values

Transaction	Filed	Type	Shares @ Price	Value	Balance ( Change % )	Ownership
05/13/2026 10b5-1	05/14/2026	Sell	-3,311 @ $18.36	($60,790)	370,834 (-0.88%)	Direct
03/05/2026 10b5-1	03/06/2026	Sell	-2,732 @ $14.90	($40,707)	374,145 (-0.72%)	Direct
12/05/2025 10b5-1	12/05/2025	Sell	-2,662 @ $20.72	($55,157)	196,877 (-1.33%)	Direct
09/05/2025 10b5-1	09/09/2025	Sell	-2,640 @ $13.41	($35,402)	199,539 (-1.31%)	Direct
07/14/2025	07/15/2025	Buy	100,000 @ $9.11	$911,000	242,179 (70.33%)	Direct