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

($192,802)

-13,423 Shares

Indirect Buys

0

$0

0 Shares

Indirect Sells

0

$0

0 Shares

Monthly Values

Transaction	Filed	Type	Shares @ Price	Value	Balance ( Change % )	Ownership
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
06/05/2025 10b5-1	06/06/2025	Sell	-4,060 @ $13.35	($54,201)	142,179 (-2.78%)	Direct
03/05/2025 10b5-1	03/07/2025	Sell	-4,061 @ $11.83	($48,042)	146,239 (-2.70%)	Direct