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Dyne Therapeutics Insider Trades

NASDAQ: DYNHealth CareBiotechnology: Pharmaceutical PreparationsUSD

16.64+0.27 (+1.65%)

At close: Oct 9, 4:00 PM ET · Delayed 15 min

Last 12 months

Purchases
5 · $196.80K
Sales
94 · $134.44M
Shares bought / sold
11.50K / 5.87M
Net activity
Net selling $134.2 million

Dyne Therapeutics insider activity

Over the last 12 months, Dyne Therapeutics insiders reported 100 transactions on SEC Form 4: 5 open-market purchases and 94 sales. Insiders bought $196,800 and sold $134.4 million worth of stock, for net insider selling of $134.2 million. The largest seller was Rhodes Jason P, with $119.7 million in reported sales.

The most recent filing shows Posner Brian S (Director) buying 2,500 shares at $16.00 on Oct 2, 2026. Insider sales are common for compensation, tax and diversification reasons, while open-market purchases are rarer; tracking both helps put DYN's ownership changes in context.

Summary generated from market data by MetaCap's automated system. Methodology

DYN insider transactions

Dyne Therapeutics insider transactions
DateInsiderTypeSharesValueFiling
Oct 2, 2026Posner Brian SDirectorBuy2,500$40.00KForm 4
Sep 8, 2026Cox JohnCEO & PresidentSale5,658$106.82KForm 4
Sep 8, 2026Friedl-Naderer JohannaChief Commercial OfficerSale185$3.49KForm 4
Sep 8, 2026Kerr DouglasChief Medical OfficerSale1,290$24.36KForm 4
Sep 4, 2026Friedl-Naderer JohannaChief Commercial OfficerSale900$21.91KForm 4
Sep 4, 2026Kerr DouglasChief Medical OfficerSale3,745$91.19KForm 4
Aug 14, 2026Rhodes Jason PDirectorSale322,465$8.06MForm 4
Aug 14, 2026Rhodes Jason PDirectorSale478,377$11.96MForm 4
Aug 14, 2026Rhodes Jason PDirectorSale1,359,674$33.99MForm 4
Aug 13, 2026Cox JohnCEO & PresidentSale4,986$131.03KForm 4
Aug 13, 2026Lucera ErickChief Financial OfficerSale1,797$47.23KForm 4
Aug 13, 2026Friedl-Naderer JohannaChief Commercial OfficerSale226$5.94KForm 4
Aug 13, 2026Rhodes Jason PDirectorSale63,643$1.67MForm 4
Aug 13, 2026Rhodes Jason PDirectorSale94,415$2.47MForm 4
Aug 13, 2026Rhodes Jason PDirectorSale268,354$7.03MForm 4
Aug 13, 2026Kerr DouglasChief Medical OfficerSale1,556$40.89KForm 4
Jul 27, 2026Kersten DirkDirectorSale5,388$140.32KForm 4
Jul 27, 2026Kersten DirkDirectorSale256,072$6.53MForm 4
Jul 7, 2026Rhodes Jason PDirectorSale5,000$118.05KForm 4
Jul 7, 2026Rhodes Jason PDirectorSale11,665$275.53KForm 4
Jul 7, 2026Rhodes Jason PDirectorSale49,193$1.14MForm 4
Jul 7, 2026Rhodes Jason PDirectorSale14,844$350.62KForm 4
Jul 7, 2026Rhodes Jason PDirectorSale62,543$1.45MForm 4
Jul 7, 2026Rhodes Jason PDirectorSale29,587$698.84KForm 4
Jul 7, 2026Rhodes Jason PDirectorSale124,379$2.88MForm 4
Jul 6, 2026Rhodes Jason PDirectorSale100,019$2.28MForm 4
Jul 6, 2026Rhodes Jason PDirectorSale127,182$2.90MForm 4
Jul 6, 2026Rhodes Jason PDirectorSale253,039$5.77MForm 4
Jun 29, 2026Rhodes Jason PDirectorSale40,702$860.44KForm 4
Jun 29, 2026Rhodes Jason PDirectorSale51,756$1.09MForm 4
Jun 29, 2026Rhodes Jason PDirectorSale102,969$2.18MForm 4
Jun 26, 2026Rhodes Jason PDirectorSale64,411$1.37MForm 4
Jun 26, 2026Rhodes Jason PDirectorSale81,903$1.74MForm 4
Jun 26, 2026Rhodes Jason PDirectorSale162,954$3.47MForm 4
Jun 25, 2026Rhodes Jason PDirectorSale5,019$105.90KForm 4
Jun 25, 2026Rhodes Jason PDirectorSale6,382$134.66KForm 4
Jun 25, 2026Rhodes Jason PDirectorSale12,699$267.95KForm 4
Jun 25, 2026Lucera ErickChief Financial OfficerSale2,362$48.11KForm 4
Jun 24, 2026Rhodes Jason PDirectorSale19,973$419.83KForm 4
Jun 24, 2026Rhodes Jason PDirectorSale25,397$533.84KForm 4
Jun 24, 2026Rhodes Jason PDirectorSale50,530$1.06MForm 4
Jun 23, 2026Kersten DirkDirectorSale1,657$35.58KForm 4
Jun 23, 2026Kersten DirkDirectorSale71,629$1.51MForm 4
Jun 23, 2026Rhodes Jason PDirectorSale30,774$650.25KForm 4
Jun 23, 2026Rhodes Jason PDirectorSale39,131$826.84KForm 4
Jun 23, 2026Rhodes Jason PDirectorSale77,855$1.65MForm 4
Jun 22, 2026Kersten DirkDirectorSale190,676$3.92MForm 4
Jun 18, 2026Kersten DirkDirectorSale46,901$941.37KForm 4
Jun 17, 2026Kersten DirkDirectorSale37,454$754.32KForm 4
Jun 16, 2026Cox JohnCEO & PresidentSale2,683$49.18KForm 4
Jun 16, 2026Friedl-Naderer JohannaChief Commercial OfficerSale145$2.66KForm 4
Jun 16, 2026Kerr DouglasChief Medical OfficerSale887$16.26KForm 4
Jun 8, 2026Posner Brian SDirectorBuy2,000$33.88KForm 4
Jun 3, 2026Posner Brian SDirectorBuy2,500$43.70KForm 4
May 26, 2026Posner Brian SDirectorBuy2,000$36.42KForm 4
May 20, 2026Posner Brian SDirectorBuy2,500$42.80KForm 4
May 13, 2026Cox JohnCEO & PresidentSale3,311$60.79KForm 4
May 13, 2026Lucera ErickChief Financial OfficerSale1,448$26.59KForm 4
May 13, 2026Friedl-Naderer JohannaChief Commercial OfficerSale228$4.19KForm 4
May 13, 2026Kerr DouglasChief Medical OfficerSale1,564$28.72KForm 4
May 6, 2026Rhodes Jason PDirectorSale17,244$313.50KForm 4
May 6, 2026Rhodes Jason PDirectorSale428$7.78KForm 4
May 6, 2026Rhodes Jason PDirectorSale43,621$793.03KForm 4
May 6, 2026Rhodes Jason PDirectorSale21,926$398.61KForm 4
May 5, 2026Rhodes Jason PDirectorSale2,403$43.33KForm 4
May 5, 2026Rhodes Jason PDirectorSale60$1.08KForm 4
May 5, 2026Rhodes Jason PDirectorSale6,081$109.64KForm 4
May 5, 2026Rhodes Jason PDirectorSale3,056$55.10KForm 4
May 4, 2026Rhodes Jason PDirectorSale2,466$44.39KForm 4
May 4, 2026Rhodes Jason PDirectorSale61$1.10KForm 4
May 4, 2026Rhodes Jason PDirectorSale6,241$112.34KForm 4
May 4, 2026Rhodes Jason PDirectorSale3,136$56.45KForm 4
Apr 28, 2026Rhodes Jason PDirectorSale21$399Form 4
Apr 28, 2026Rhodes Jason PDirectorSale1$19Form 4
Apr 28, 2026Rhodes Jason PDirectorSale52$988Form 4
Apr 28, 2026Rhodes Jason PDirectorSale26$494Form 4
Apr 28, 2026Rhodes Jason PDirectorSale47,082$865.37KForm 4
Apr 28, 2026Rhodes Jason PDirectorSale1,170$21.50KForm 4
Apr 28, 2026Rhodes Jason PDirectorSale119,115$2.19MForm 4
Apr 28, 2026Rhodes Jason PDirectorSale59,870$1.10MForm 4
Apr 27, 2026Rhodes Jason PDirectorSale35,947$652.44KForm 4
Apr 27, 2026Rhodes Jason PDirectorSale894$16.23KForm 4
Apr 27, 2026Rhodes Jason PDirectorSale90,943$1.65MForm 4
Apr 27, 2026Rhodes Jason PDirectorSale45,709$829.62KForm 4
Apr 24, 2026Rhodes Jason PDirectorSale28,583$528.21KForm 4
Apr 24, 2026Rhodes Jason PDirectorSale710$13.12KForm 4
Apr 24, 2026Rhodes Jason PDirectorSale72,310$1.34MForm 4
Apr 24, 2026Rhodes Jason PDirectorSale36,345$671.66KForm 4
Apr 24, 2026Lubner David CharlesDirectorGift53,625—Form 4
Apr 23, 2026Rhodes Jason PDirectorSale15,148$290.69KForm 4
Apr 23, 2026Rhodes Jason PDirectorSale377$7.23KForm 4
Apr 23, 2026Rhodes Jason PDirectorSale38,322$735.40KForm 4
Apr 23, 2026Rhodes Jason PDirectorSale19,261$369.62KForm 4
Apr 22, 2026Rhodes Jason PDirectorSale59,663$1.17MForm 4
Apr 22, 2026Rhodes Jason PDirectorSale1,485$29.22KForm 4
Apr 22, 2026Rhodes Jason PDirectorSale150,942$2.97MForm 4
Apr 22, 2026Rhodes Jason PDirectorSale75,866$1.49MForm 4
Apr 22, 2026Kersten DirkDirectorSale2,652$53.05KForm 4
Apr 21, 2026Rhodes Jason PDirectorSale71,499$1.39MForm 4
Apr 21, 2026Kersten DirkDirectorSale8,300$166.12KForm 4

Transaction codes follow SEC Form 4: P = open-market purchase, S = open-market sale, A = grant or award, M = option exercise, F = shares withheld for taxes. About Form 4

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