Form4insider filings, from the source

Insider · CIK 0001915598

Johanna Friedl-Naderer

Files at: DYN. On EDGAR ↗

1M3M6M1Y2YAll datashares as filed — not split-adjusted
Open-market buys & salesbuys $0 · 0sales $25k · 1net −$25k
$10k$10k$100k$100k$1M$1MbuyssalesAug 28Sep 2Sep 7Sep 12Sep 17Sep 23Sep 28

Reported trades — common stock

TradeReported (ET)CompanySharesAvg priceTotalOwned afterΔ stakeFlags
Sep 4, 2026 SForm 4 →Sep 8, 4:15 pm EDTDyne Therapeutics, Inc.DYN1,085$23.42$25,408152,897−0.70%10b5-1

Reported trades — derivatives (options, RSUs, warrants)

No reported derivative activity in this period.