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 11 insiders with recent SEC Form 4 filings, including 0 buys and 48 sells. DYN is classified in the Biotechnology industry within the Health Care sector.

Insider Ownership

Role	Insider	Shares	Value	30d
Dir	Kersten Dirk	4.77M	$83.74M	-
Dir	Rhodes Jason P	1.58M	$27.67M	-1,446,188
CEO	Cox John	196.9K	$3.45M	-
Other	Friedl-Naderer Johanna	94.7K	$1.66M	-
Other	Kerr Douglas	87.5K	$1.53M	-

Activity

Buys and sells only

Transactions

10 filings

Date	Insider	Role	Type	Shares	Price	Value	Chg%	3M	12M
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%	-	-
Dec 5, 2025	Cox John	CEO &President	Sell	2,662	$20.72	$55,156.64	-1.3%	-25.0%	-
Dec 5, 2025	Kerr Douglas66	Chief Medical Officer	Sell	880	$20.72	$18,233.60	-1.0%	-25.0%	-
Dec 5, 2025	Friedl-Naderer Johanna53	Chief Commercial Officer	Sell	144	$20.72	$2,983.68	-0.2%	-25.0%	-
Sep 5, 2025	Cox John	CEO &President	Sell	2,640	$13.41	$35,402.40	-1.3%	+45.2%	-
Sep 5, 2025	Kerr Douglas66	Chief Medical Officer	Sell	4,425	$13.30	$58,841.97	-2.4%	+45.2%	-
Sep 5, 2025	Friedl-Naderer Johanna53	Chief Commercial Officer	Sell	1,038	$13.29	$13,794.42	-0.5%	+45.2%	-

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Insider	Role	Shares	Value	Buys	Sells

Date	Ticker	Insider	Role	Type	Shares	Price	Value	Chg%	SEC