Form4insider filings, from the source

Insider · CIK 0001814189

Douglas Kerr

Files at: DYN. On EDGAR ↗

1M3M6M1Y2YAll datashares as filed — not split-adjusted
Open-market buys & salesbuys $0 · 0sales $116k · 1net −$116k
$10k$10k$100k$100k$1M$1MbuyssalesAug 28Sep 2Sep 7Sep 12Sep 17Sep 22Sep 28

Reported trades — common stock

TradeReported (ET)CompanySharesAvg priceTotalOwned afterΔ stakeFlags
Sep 4, 2026 SForm 4 →Sep 8, 4:14 pm EDTDyne Therapeutics, Inc.DYN5,035$22.95$115,546162,564−3.00%10b5-1

Reported trades — derivatives (options, RSUs, warrants)

No reported derivative activity in this period.