Form4insider filings, from the source

Insider · CIK 0001823682

Dirk Kersten

Files at: DYN. On EDGAR ↗

1M3M6M1Y2YAll datashares as filed — not split-adjusted
Open-market buys & salesbuys $0 · 0sales $13.8M · 3net −$13.8M
$10k$10k$100k$100k$1M$1M$10M$10MbuyssalesJun 16Jun 23Jun 30Jul 7Jul 14Jul 21Jul 28

Reported trades — common stock

TradeReported (ET)CompanySharesAvg priceTotalOwned afterΔ stakeFlags
Jul 27, 2026 SForm 4 →Jul 29, 4:15 pm EDTDyne Therapeutics, Inc.DYN261,460$25.51$6,670,7693,586,796−6.79%10b5-1
Jun 22, 2026 SForm 4 →Jun 24, 4:27 pm EDTDyne Therapeutics, Inc.DYN263,962$20.70$5,464,6113,848,256−6.42%10b5-1
Jun 17, 2026 SForm 4 →Jun 22, 4:15 pm EDTDyne Therapeutics, Inc.DYN84,355$20.10$1,695,6894,112,218−2.01%10b5-1

Reported trades — derivatives (options, RSUs, warrants)

TradeReported (ET)CompanySharesAvg priceTotalOwned afterΔ stakeFlags
Jun 5, 2026 AForm 4 →Jun 9, 5:12 pm EDTDyne Therapeutics, Inc.DYN35,152——35,152—