LYTIR

Insider · SEC Form 4 · Chief Executive Officer

de Boer Daniel Anton

In the 12 months to Nov 8, 2026, on the open market: bought $853K of PRQR. Filed a median of 1 business day after the trade.

Open-market purchases and sales this filer reported on SEC Form 4, by the day traded. Insiders have two business days to file. A sale marked 10b5-1 was made under a plan adopted in advance. How to read these

  1. PRQRBought: ProQR Therapeutics N.V. Jul 31, 2026 200,000 shares filed Aug 3, 2026 500,000 shares held directly after, as filed filing $354K
  2. PRQRBought: ProQR Therapeutics N.V. Jul 9, 2026 150,000 shares filed Jul 13, 2026 300,000 shares held directly after, as filed filing $261K
  3. PRQRBought: ProQR Therapeutics N.V. Jul 7, 2026 150,000 shares filed Jul 8, 2026 150,000 shares held directly after, as filed filing $238K

Source: SEC Form 4 filings. Value is shares × the price reported on the filing; a filing whose price failed Lytir's check against the market price is left out, and a trade that related owners reported on separate forms is counted once. Filings can be late, amended or wrong at the source; see methodology.