Dyne Therapeutics, Inc.

USHealth CareSIC 2834

Filings

327

Transactions

743

Buys / Sells

32/404

Last tx

26 May 2026

Net insider flow

Discretionary BUY minus SELL in USD over rolling windows. Excludes compensation flow.

30 days

−$2.0M

Buys$79.2K

Sells$2.1M

Tx · Insiders18 · 6

90 days

−$45.6M

Buys$163.1K

Sells$45.8M

Tx · Insiders66 · 7

365 days

−$45.0M

Buys$1.1M

Sells$46.0M

Tx · Insiders78 · 7

Insider clusters

Rolling 14-day windows where ≥3 distinct insiders reported a transaction in the same direction.

Date	Direction	Insiders	Strength	Tx	USD
13 May 2026	sell	5	strong	16	$2.1M

Identifiers

Type	Value
cik	0001818794
ticker	DYN

Recent transactions

Date	Type	Insider	Qty	Price	Signals
26 May 2026	PURCHASE	Posner Brian S	2,000	18.21 USD
20 May 2026	PURCHASE	Posner Brian S	2,500	17.12 USD
13 May 2026	SALE	Cox John	3,311	18.36 USD	10b5-1
13 May 2026	SALE	Lucera Erick	1,448	18.36 USD	10b5-1
13 May 2026	SALE	Kerr Douglasentity	1,564	18.36 USD	10b5-1
13 May 2026	SALE	Friedl-Naderer Johanna	228	18.36 USD	10b5-1
04 May 2026	SALE	Rhodes Jason P	3,136	18.00 USD	10b5-1indirect
04 May 2026	SALE	Rhodes Jason P	6,241	18.00 USD	10b5-1indirect
04 May 2026	SALE	Rhodes Jason P	61	18.00 USD	10b5-1indirect
04 May 2026	SALE	Rhodes Jason P	2,466	18.00 USD	10b5-1indirect
05 May 2026	SALE	Rhodes Jason P	3,056	18.03 USD	10b5-1indirect
05 May 2026	SALE	Rhodes Jason P	6,081	18.03 USD	10b5-1indirect
05 May 2026	SALE	Rhodes Jason P	60	18.03 USD	10b5-1indirect
05 May 2026	SALE	Rhodes Jason P	2,403	18.03 USD	10b5-1indirect
06 May 2026	SALE	Rhodes Jason P	21,926	18.18 USD	10b5-1indirect
06 May 2026	SALE	Rhodes Jason P	43,621	18.18 USD	10b5-1indirect
06 May 2026	SALE	Rhodes Jason P	428	18.18 USD	10b5-1indirect
06 May 2026	SALE	Rhodes Jason P	17,244	18.18 USD	10b5-1indirect
28 Apr 2026	SALE	Rhodes Jason P	59,870	18.38 USD	10b5-1indirect
28 Apr 2026	SALE	Rhodes Jason P	119,115	18.38 USD	10b5-1indirect
28 Apr 2026	SALE	Rhodes Jason P	1,170	18.38 USD	10b5-1indirect
28 Apr 2026	SALE	Rhodes Jason P	47,082	18.38 USD	10b5-1indirect
28 Apr 2026	SALE	Rhodes Jason P	26	19.00 USD	10b5-1indirect
28 Apr 2026	SALE	Rhodes Jason P	52	19.00 USD	10b5-1indirect
28 Apr 2026	SALE	Rhodes Jason P	1	19.00 USD	10b5-1indirect

Recent transactions

Date	Type	Insider	Qty	Price	Signals
26 May 2026	PURCHASE	Posner Brian S	2,000	18.21 USD
20 May 2026	PURCHASE	Posner Brian S	2,500	17.12 USD
13 May 2026	SALE	Cox John	3,311	18.36 USD	10b5-1
13 May 2026	SALE	Lucera Erick	1,448	18.36 USD	10b5-1
13 May 2026	SALE	Kerr Douglasentity	1,564	18.36 USD	10b5-1
13 May 2026	SALE	Friedl-Naderer Johanna	228	18.36 USD	10b5-1
04 May 2026	SALE	Rhodes Jason P	3,136	18.00 USD	10b5-1indirect
04 May 2026	SALE	Rhodes Jason P	6,241	18.00 USD	10b5-1indirect
04 May 2026	SALE	Rhodes Jason P	61	18.00 USD	10b5-1indirect
04 May 2026	SALE	Rhodes Jason P	2,466	18.00 USD	10b5-1indirect
05 May 2026	SALE	Rhodes Jason P	3,056	18.03 USD	10b5-1indirect
05 May 2026	SALE	Rhodes Jason P	6,081	18.03 USD	10b5-1indirect
05 May 2026	SALE	Rhodes Jason P	60	18.03 USD	10b5-1indirect
05 May 2026	SALE	Rhodes Jason P	2,403	18.03 USD	10b5-1indirect
06 May 2026	SALE	Rhodes Jason P	21,926	18.18 USD	10b5-1indirect
06 May 2026	SALE	Rhodes Jason P	43,621	18.18 USD	10b5-1indirect
06 May 2026	SALE	Rhodes Jason P	428	18.18 USD	10b5-1indirect
06 May 2026	SALE	Rhodes Jason P	17,244	18.18 USD	10b5-1indirect
28 Apr 2026	SALE	Rhodes Jason P	59,870	18.38 USD	10b5-1indirect
28 Apr 2026	SALE	Rhodes Jason P	119,115	18.38 USD	10b5-1indirect
28 Apr 2026	SALE	Rhodes Jason P	1,170	18.38 USD	10b5-1indirect
28 Apr 2026	SALE	Rhodes Jason P	47,082	18.38 USD	10b5-1indirect
28 Apr 2026	SALE	Rhodes Jason P	26	19.00 USD	10b5-1indirect
28 Apr 2026	SALE	Rhodes Jason P	52	19.00 USD	10b5-1indirect
28 Apr 2026	SALE	Rhodes Jason P	1	19.00 USD	10b5-1indirect