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DYN - Dyne Therapeutics, Inc.

Insider Sale by Kersten Dirk (Dir)

1 Month
After Trade
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Trade Summary

5 days ago, Kersten Dirk, serving as Dir at Dyne Therapeutics, Inc. (DYN), sold 337,248 shares at $20.21 per share, for a total transaction value of $6,815,190.00. Following this transaction, Kersten Dirk now holds 4,207,525 shares of DYN.

This sale represents a 7.00% decrease in Kersten Dirk's stake in the company. This is considered a high-conviction trade given the significant change in ownership.

The trade was executed on Friday, April 17, 2026 and publicly disclosed via SEC Form 4 filing on Tuesday, April 21, 2026, 4 days after the trade was made.

Dyne Therapeutics, Inc. operates in the HEALTHCARE sector, specifically within the BIOTECHNOLOGY industry. Insider selling activity in this sector can provide valuable signals about industry trends and company-specific developments.

Kersten Dirk

Kersten Dirk

Dir

Dirk Kersten is a Managing Partner at Forbion, where he manages the Forbion Growth Opportunities Fund and plays a key role in the investment team with expertise in fund management, deal making, portfolio management, and exit strategies.[[1]](https://forbion.com/team/dirk-kersten/) He joined Forbion in 2018, is a physicist by training, and previously served as a Partner at Gilde Healthcare Partners, leading their Boston office, and as Managing Director at INKEF Capital, overseeing healthcare investments including Dyne Therapeutics (NASDAQ: DYN).[[1]](https://forbion.com/team/dirk-kersten/) Kersten serves as a Director on the Board of Directors at Dyne Therapeutics, Inc. (DYN), a biopharmaceutical company developing therapies for serious muscle diseases, and is listed as a director and 10% owner.[[3]](https://www.tipranks.com/experts/insiders/dirk-kersten)[[4]](https://www.dyne-tx.com/about-us/)[[5]](https://www.gurufocus.com/insider/131775/dirk-kersten) He has led investments in companies like Ascendis Pharma, Profibrix, Lanthio Pharma, and Nightbalance, and currently sits on the boards of Synox Therapeutics and NorthSea Therapeutics.[[1]](https://forbion.com/team/dirk-kersten/) Recently, as a director, he sold shares worth over $127,000 under a Rule 10b5-1 plan, with holdings indirectly through Forbion Capital Fund IV.[[2]](https://www.investing.com/news/insider-trading-news/dyne-therapeutics-director-sells-over-127k-in-company-stock-93CH-3637125)

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Trade Price

$20.21

Quantity

337,248

Total Value

$6,815,190.00

Shares Owned

4,207,525

Trade Date

Friday, April 17, 2026

5 days ago

SEC Filing Date

Tuesday, April 21, 2026

Filed 4 days after trade

HEALTHCAREBIOTECHNOLOGY

About Dyne Therapeutics, Inc.

Company Overview

No company information available
View news mentioning DYN

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