Form4insider filings, from the source

Company · CIK 0001612940 · SIC 2834 — Pharmaceutical Preparations · Nasdaq

ProQR Therapeutics N.V. · PRQR

Insider activity reported against this company. All insider holders · On EDGAR ↗

1M3M6M1Y2YAll datashares as filed — not split-adjusted
Open-market buys & salesbuys $1.1M · 4sales $0 · 0net $1.1M
$10k$10k$100k$100k$1M$1MbuyssalesJun 28Jul 13Jul 28Aug 13Aug 28Sep 13Sep 28

Reported at this company — common stock

TradeReported (ET)InsiderSharesAvg priceTotalOwned afterΔ stakeFlags
Jul 31, 2026 PForm 4 →Aug 3, 4:01 pm EDTDaniel Anton de BoerChief Executive Officer, Director200,000$1.77$353,960500,000+66.7%
Jul 17, 2026 PForm 4 →Jul 21, 8:00 am EDTBart FiliusDirector150,000$1.72$257,925300,000+100%
Jul 9, 2026 PForm 4 →Jul 13, 8:00 am EDTDaniel Anton de BoerChief Executive Officer, Director150,000$1.74$261,000300,000+100%
Jul 7, 2026 PForm 4 →Jul 8, 2:55 pm EDTDaniel Anton de BoerChief Executive Officer, Director150,000$1.59$238,500150,000—

Reported at this company — derivatives (options, RSUs, warrants)

No reported derivative activity in this period.