Who are the insiders buying Dyne Therapeutics, Inc. stock?

InsiderAct tracks all open-market purchases of Dyne Therapeutics, Inc. stock by corporate insiders — including officers, directors, and shareholders owning more than 10% — sourced from public SEC Form 4 filings.

What does insider buying at a company mean?

When a corporate officer, director, or major shareholder purchases their own company's stock on the open market using personal funds, it signals confidence in the company's outlook. This is especially meaningful when multiple insiders buy within the same 7–14 day window (cluster buying) or when the purchase size exceeds $100,000.

How do I find cluster buying signals for a company?

InsiderAct automatically detects cluster buying — two or more insiders independently purchasing shares within a 14-day window. When a cluster buy signal is active for a company, it appears prominently on the company's InsiderAct page and on the Signals tab.

Has Dyne Therapeutics, Inc. had any recent large insider purchases?

InsiderAct tracks all open-market purchases of $100,000 or more at Dyne Therapeutics, Inc.. Large insider purchases are flagged as high-conviction signals because they represent meaningful personal capital commitments by executives or directors who have direct visibility into the company's operations and prospects.

Where do the insider transactions on this page come from?

All transactions shown on InsiderAct company pages are sourced directly from SEC EDGAR Form 4 filings — the mandatory public disclosures that corporate insiders must submit within 2 business days of any stock transaction. InsiderAct ingests these filings in near real time and filters for open-market purchases and sales.

DYN

Dyne Therapeutics, Inc.

$17.99+0.75 (4.35%)

Price

MA20

▲Insider buy

▼Insider sell

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Insider Activity

66 of 97 trades

Executives investing their own money

31+ more trades

DirectorSale

$3.15M

-177,690 shares @ $17.72

Kersten Dirk

Mar 9, 2026

DirectorSale

$5.58M

-281,858 shares @ $19.80

Kersten Dirk

Mar 10, 2026

DirectorSale

$4.25M

-219,758 shares @ $19.32

Kersten Dirk

Mar 10, 2026

DirectorSale

$172.69K

-9,482 shares @ $18.21

Kersten Dirk

Mar 10, 2026

DirectorPurchase

$38.7K

2,000 shares @ $19.35

Posner Brian S

Mar 11, 2026

DirectorSale

$2.53M

-129,672 shares @ $19.52

Kersten Dirk

Mar 11, 2026

DirectorPurchase

$34.16K

2,000 shares @ $17.08

Posner Brian S

Mar 30, 2026

CFOSale

$106.75K

-5,727 shares @ $18.64

Lucera Erick

Apr 1, 2026

DirectorSale

$1.66M

-81,840 shares @ $20.27

Kersten Dirk

Apr 15, 2026

DirectorSale

$234.59K

-11,116 shares @ $21.10

Kersten Dirk

Apr 16, 2026

DirectorSale

$133.53K

-6,657 shares @ $20.06

Kersten Dirk

Apr 16, 2026

DirectorSale

$4.3M

-211,974 shares @ $20.29

Kersten Dirk

Apr 17, 2026

DirectorSale

$2.51M

-125,274 shares @ $20.07

Kersten Dirk

Apr 20, 2026

DirectorSale

$2.86M

-142,604 shares @ $20.06

								1WStock price change 1 week after insider bought. Small number below shows return vs S&P 500.	1MStock price change 1 month after insider bought.
2026-05-28	2026-05-26	Posner Brian S	Director	Purchase	2,000	$18.21	$36,420	-5.3%	N/A
2026-05-22	2026-05-20	Posner Brian S	Director	Purchase	2,500	$17.12	$42,800	+6.1%	N/A
2026-05-14	2026-05-13	Friedl-Naderer Johanna	CCO	Sale	228	$18.36	$4,186	N/A	N/A
2026-05-06	2026-05-06	Rhodes Jason P	Director	Sale	43,621	$18.18	$793,030	N/A	N/A
2026-05-06	2026-05-06	Rhodes Jason P	Director	Sale	21,926	$18.18	$398,615	N/A	N/A
2026-05-06	2026-05-06	Rhodes Jason P	Director	Sale	17,244	$18.18	$313,496	N/A	N/A
2026-05-06	2026-05-06	Rhodes Jason P	Director	Sale	428	$18.18	$7,781	N/A	N/A
2026-05-06	2026-05-05	Rhodes Jason P	Director	Sale	6,081	$18.03	$109,640	N/A	N/A
2026-05-06	2026-05-05	Rhodes Jason P	Director	Sale	3,056	$18.03	$55,100	N/A	N/A
2026-05-06	2026-05-05	Rhodes Jason P	Director	Sale	2,403	$18.03	$43,326	N/A	N/A

DYN

Insider Activity

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