DYN- Dyne Therapeutics, Inc.

Name: Dyne Therapeutics, Inc. Insider Trading Data
Creator: U.S. Securities and Exchange Commission
License: https://www.sec.gov/privacy#accessibility

Dyne Therapeutics, Inc. (DYN) has 7 insiders with recent SEC Form 4 filings, including 0 buys and 46 sells. DYN is classified in the Biotechnology industry within the Health Care sector.

Insider Ownership

Role	Insider	Shares	Value	30d
Dir	Kersten Dirk	5.28M	$104.46M	-
Dir	Rhodes Jason P	1.16M	$22.95M	-
CEO	Cox John	368.2K	$7.29M	-2,683
Other	Kerr Douglas	169.2K	$3.35M	-887
Other	Friedl-Naderer Johanna	154.2K	$3.05M	-145

Activity

Buys and sells only

Transactions

10 filings

Date	Insider	Role	Type	Shares	Price	Value	Chg%	3M	12M
Jun 16, 2026	Friedl-Naderer Johanna48	Chief Commercial Officer	Sell	145	$18.33	$2,657.85	-	-	-
Jun 16, 2026	Cox John	CEO &President	Sell	2,683	$18.33	$49,179.39	-0.7%	-	-
Jun 16, 2026	Kerr Douglas59	Chief Medical Officer	Sell	887	$18.33	$16,258.71	-0.5%	-	-
Apr 28, 2026	Rhodes Jason P78	Director	Sell	227,337	$18.38	$4,178,516.06	-1.5%	-	-
Apr 27, 2026	Rhodes Jason P78	Director	Sell	384,549	$18.47	$7,101,119.51	-1.6%	-	-
Apr 22, 2026	Rhodes Jason P78	Director	Sell	834,302	$19.75	$16,477,387.75	-2.4%	-	-
Mar 10, 2026	Kersten Dirk87	Director	Sell	688,788	$19.09	$13,149,313.71	-3.3%	-13.9%	-
Dec 5, 2025	Cox John	CEO &President	Sell	2,662	$20.72	$55,156.64	-1.3%	-25.0%	-
Dec 5, 2025	Kerr Douglas59	Chief Medical Officer	Sell	880	$20.72	$18,233.60	-1.0%	-25.0%	-
Dec 5, 2025	Friedl-Naderer Johanna48	Chief Commercial Officer	Sell	144	$20.72	$2,983.68	-0.2%	-25.0%	-

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Insider	Role	Shares	Value	Buys	Sells

Date	Ticker	Insider	Role	Type	Shares	Price	Value	Chg%	SEC