John Cox

DYN

John Cox serves as director, officer: CEO & President at Dyne Therapeutics, Inc. (DYN). This page tracks their complete SEC Form 4 insider trading history including stock purchases and sales.

Total Buys

0 trades

$0.00

Total Sells

1 trades

$40.7K

Net Position

Net Seller

$40.7K

Companies Traded

DYN

Active Period

Mar 2026

1 total trades

Most Recent

Sell DYN

Mar 6, 2026 · $40.7K

John Cox's Insider Trading at Dyne Therapeutics, Inc. (DYN)

Buys

0 · $0.00

Sells

1 · $40.7K

Total Shares Bought

Total Shares Sold

2,732

DYN Price Chart

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Date	Type	Shares	Avg Price	Value	Shares After
Mar 6, 2026↗	Sell	2,732	$14.90	$40.7K	374,145

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