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DYN

Dyne Therapeutics, Inc.$23.76-0.02 (-0.08%)
Prev Close$23.78·MCap$3.91B·P/E·Vol859.2K·Yield

Buys (12M)

8

$1.19M

Sells (12M)

32

$96.40M

Net Activity

Net Seller

$95.21M

Active Insiders

8

last 12 mo

Over the past 12 months, insider activity at Dyne Therapeutics, Inc. (DYN) has been dominated by selling, with 8 insider purchases totaling $1.19M and 32 insider sales totaling $96.40M. The most recent insider transaction was by Rhodes Jason P (director), who sold $17.86M worth of shares on Jul 8, 2026. Dyne Therapeutics, Inc. operates in the Healthcare sector, within the Biotechnology industry, with a market cap of $3.91B.

DYN Insider Trading Activity

DateInsiderTypeValue
Jul 8, 2026 Rhodes Jason PSell$17.86M
Jun 30, 2026 Rhodes Jason PSell$10.71M
Jun 26, 2026 Rhodes Jason PSell$5.65M
Jun 26, 2026 Lucera ErickSell$48.1K
Jun 24, 2026 Kersten DirkSell$5.46M
Jun 22, 2026 Kersten DirkSell$1.70M
Jun 17, 2026 Friedl-Naderer JohannaSell$2.7K
Jun 17, 2026 Cox JohnSell$49.2K
Jun 17, 2026 Kerr DouglasSell$16.3K
Jun 9, 2026 Posner Brian SBuy$33.9K
Jun 5, 2026 Posner Brian SBuy$43.7K
May 28, 2026 Posner Brian SBuy$36.4K
May 22, 2026 Posner Brian SBuy$42.8K
May 14, 2026 Kerr DouglasSell$28.7K
May 14, 2026 Friedl-Naderer JohannaSell$4.2K
May 14, 2026 Lucera ErickSell$26.6K
May 14, 2026 Cox JohnSell$60.8K
May 6, 2026 Rhodes Jason PSell$1.94M
Apr 30, 2026 Rhodes Jason PSell$4.18M
Apr 27, 2026 Rhodes Jason PSell$7.10M
Apr 23, 2026 Kersten DirkSell$219.2K
Apr 22, 2026 Rhodes Jason PSell$16.48M0.5% OS
Apr 21, 2026 Kersten DirkSell$6.82M
Apr 17, 2026 Kersten DirkSell$2.03M
Apr 3, 2026 Lucera ErickSell$106.8K
Apr 1, 2026 Posner Brian SBuy$34.2K
Mar 13, 2026 Kersten DirkSell$2.53M
Mar 13, 2026 Posner Brian SBuy$38.7K
Mar 11, 2026 Kersten DirkSell$13.15M
Mar 10, 2026 Posner Brian SBuy$45.2K
Mar 6, 2026 Cox JohnSell$40.7K
Mar 6, 2026 Friedl-Naderer JohannaSell$2.2K
Mar 6, 2026 Kerr DouglasSell$13.5K
Dec 5, 2025 Cox JohnSell$55.2K
Dec 5, 2025 Friedl-Naderer JohannaSell$3.0K
Dec 5, 2025 Kerr DouglasSell$18.2K
Sep 9, 2025 Cox JohnSell$35.4K
Sep 8, 2025 Friedl-Naderer JohannaSell$13.8K
Sep 8, 2025 Kerr DouglasSell$58.8K
Jul 15, 2025 Cox JohnBuy$911.0K
Jun 6, 2025 Cox JohnSell$54.2K
Jun 6, 2025 Friedl-Naderer JohannaSell$1.9K
Jun 6, 2025 Kerr DouglasSell$17.9K
Mar 13, 2025 Beskrovnaya OxanaSell$24.5K
Mar 13, 2025 Friedl-Naderer JohannaSell$1.7K
Mar 13, 2025 Scalzo Richard WilliamSell$15.3K
Mar 7, 2025 Beskrovnaya OxanaSell$12.9K
Mar 7, 2025 Cox JohnSell$48.0K
Mar 7, 2025 Kerr DouglasSell$15.9K
Mar 7, 2025 Scalzo Richard WilliamSell$10.8K
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DYN Insider Buying Activity

The following table shows recent insider purchases of Dyne Therapeutics, Inc. (DYN) stock reported via SEC Form 4 filings.

DateInsiderTypeValue
Jun 9, 2026 Posner Brian SBuy$33.9K
Jun 5, 2026 Posner Brian SBuy$43.7K
May 28, 2026 Posner Brian SBuy$36.4K
May 22, 2026 Posner Brian SBuy$42.8K
Apr 1, 2026 Posner Brian SBuy$34.2K
Mar 13, 2026 Posner Brian SBuy$38.7K
Mar 10, 2026 Posner Brian SBuy$45.2K
Jul 15, 2025 Cox JohnBuy$911.0K

DYN Insider Selling Activity

The following table shows recent insider sales of Dyne Therapeutics, Inc. (DYN) stock reported via SEC Form 4 filings.

DateInsiderTypeValue
Jul 8, 2026 Rhodes Jason PSell$17.86M
Jun 30, 2026 Rhodes Jason PSell$10.71M
Jun 26, 2026 Rhodes Jason PSell$5.65M
Jun 26, 2026 Lucera ErickSell$48.1K
Jun 24, 2026 Kersten DirkSell$5.46M
Jun 22, 2026 Kersten DirkSell$1.70M
Jun 17, 2026 Friedl-Naderer JohannaSell$2.7K
Jun 17, 2026 Cox JohnSell$49.2K
Jun 17, 2026 Kerr DouglasSell$16.3K
May 14, 2026 Kerr DouglasSell$28.7K
May 14, 2026 Friedl-Naderer JohannaSell$4.2K
May 14, 2026 Lucera ErickSell$26.6K
May 14, 2026 Cox JohnSell$60.8K
May 6, 2026 Rhodes Jason PSell$1.94M
Apr 30, 2026 Rhodes Jason PSell$4.18M
Apr 27, 2026 Rhodes Jason PSell$7.10M
Apr 23, 2026 Kersten DirkSell$219.2K
Apr 22, 2026 Rhodes Jason PSell$16.48M0.5% OS
Apr 21, 2026 Kersten DirkSell$6.82M
Apr 17, 2026 Kersten DirkSell$2.03M
Apr 3, 2026 Lucera ErickSell$106.8K
Mar 13, 2026 Kersten DirkSell$2.53M
Mar 11, 2026 Kersten DirkSell$13.15M
Mar 6, 2026 Cox JohnSell$40.7K
Mar 6, 2026 Friedl-Naderer JohannaSell$2.2K
Mar 6, 2026 Kerr DouglasSell$13.5K
Dec 5, 2025 Cox JohnSell$55.2K
Dec 5, 2025 Friedl-Naderer JohannaSell$3.0K
Dec 5, 2025 Kerr DouglasSell$18.2K
Sep 9, 2025 Cox JohnSell$35.4K
Sep 8, 2025 Friedl-Naderer JohannaSell$13.8K
Sep 8, 2025 Kerr DouglasSell$58.8K
Jun 6, 2025 Cox JohnSell$54.2K
Jun 6, 2025 Friedl-Naderer JohannaSell$1.9K
Jun 6, 2025 Kerr DouglasSell$17.9K
Mar 13, 2025 Beskrovnaya OxanaSell$24.5K
Mar 13, 2025 Friedl-Naderer JohannaSell$1.7K
Mar 13, 2025 Scalzo Richard WilliamSell$15.3K
Mar 7, 2025 Beskrovnaya OxanaSell$12.9K
Mar 7, 2025 Cox JohnSell$48.0K
Mar 7, 2025 Kerr DouglasSell$15.9K
Mar 7, 2025 Scalzo Richard WilliamSell$10.8K

DYN Insiders

Rhodes Jason P

Director

Bought $10.00MSold $108.17M
13 tradesLast: Jul 8, 2026
Lucera Erick

officer: Chief Financial Officer

Sold $181.5K
3 tradesLast: Jun 26, 2026
Kersten Dirk

director

Bought $30.00MSold $129.63M
31 tradesLast: Jun 24, 2026
Friedl-Naderer Johanna

officer: Chief Commercial Officer

Sold $29.5K
7 tradesLast: Jun 17, 2026
Kerr Douglas

officer: Chief Medical Officer

Sold $169.3K
7 tradesLast: Jun 17, 2026
Cox John

director, officer: CEO & President

Bought $1.18MSold $343.5K
9 tradesLast: Jun 17, 2026
Posner Brian S

director

Bought $274.8K
7 tradesLast: Jun 9, 2026
Scalzo Richard William

SVP, Head of Finance & Admin.

Sold $8.71M
26 tradesLast: Mar 13, 2025
Beskrovnaya Oxana

Chief Scientific Officer

Sold $3.50M
22 tradesLast: Mar 13, 2025
Incerti Carlo

Sold $474.0K
1 tradesLast: Nov 18, 2024
HIGH SUSANNA GATTI

Chief Operating Officer

Sold $7.06M
18 tradesLast: Sep 19, 2024
McNeill Jonathan

See Remarks

Sold $5.63M
18 tradesLast: Aug 20, 2024
Farwell Wildon

Chief Medical Officer

Sold $955.5K
15 tradesLast: Aug 20, 2024
Brumm Joshua T

See Remarks

Sold $26.68M
13 tradesLast: Mar 12, 2024