SEC Form 4 reporting owner

de Boer Daniel Anton

de Boer Daniel Anton has filed 3 Form 4 transactions reported between July 7, 2026 and July 31, 2026, as Chief Executive Officer of ProQR Therapeutics N.V..

Name as filed: de Boer Daniel Anton

Open-market buys, 24 mo
$853K
3 lines
Open-market sales, 24 mo
None
reported
Companies
1
with Form 4 filings
Latest transaction
Jul 31, 2026
transaction date

Roles and reported holdings

  • PRQRProQR Therapeutics N.V.
    Jul 7, 2026 – Jul 31, 2026

    Chief Executive Officer

    Held directly500,000 sh as of Jul 31, 2026 · Form 4

    24 months: $853K bought

Transaction history

All 3 reported transactions, newest first. Every row links to the Form 4 on SEC EDGAR.

DateCompanyTypeSharesValueFiling
Jul 31, 2026PRQRChief Executive OfficerOpen-market purchaseCode P · direct200,000$354K@ $1.77Form 4
Jul 9, 2026PRQRChief Executive OfficerOpen-market purchaseCode P · direct150,000$261K@ $1.74Form 4
Jul 7, 2026PRQRChief Executive OfficerOpen-market purchaseCode P · direct150,000$239K@ $1.59Form 4

How this page is built

Every row comes from a Form 4 filed with the SEC, which officers, directors and holders of more than 10% of a company’s stock must file within two business days of a trade. Transactions are grouped by the reporting owner’s name as filed (spacing, capitals and punctuation ignored); two different people filing under an identical name would appear together, and one person filing under two spellings appears on two pages.

Open-market totals count code P purchases and code S sales over the last 24 months. The same trade reported on more than one filing is counted once; when another owner (for example a fund and its general partner) reports the identical trade, they are listed beside it. Holdings are the shares owned after the latest purchase, sale, gift or tax-withholding line, shown separately for direct and indirect ownership; an indirect figure is one holding line, not a total across every trust or entity.

This page describes what was filed with the SEC; it is not investment advice or a recommendation to buy or sell any security.