PRQR insider trading — ProQR Therapeutics N.V.
Over the last 90 days, insiders at ProQR Therapeutics N.V. (PRQR) made 2 open-market purchases worth $612K and 0 open-market sales worth $0, making them net buyers by $612K. The largest purchase was by De Boer Daniel Anton (Chief Executive Officer), who bought 200,000 shares for $354K on Jul 31, 2026. 2 different insiders bought shares in this period — a cluster buy, which many investors watch closely.
Updated Oct 16, 2026.
Recent PRQR insider transactions
Every Form 4 filed by ProQR Therapeutics N.V. officers, directors and 10% owners in the last 90 days, newest first. P = open-market purchase, S = open-market sale; other codes are awards, option exercises, tax withholding or gifts.
| Trade date | Insider | Role | Type | Ownership | Shares | Price | Value | Filing |
|---|---|---|---|---|---|---|---|---|
| Jul 31, 2026 | De Boer Daniel Anton | Chief Executive Officer | P · Purchase | Direct | 200,000 | $1.77 | $354K | Form 4 |
| Jul 17, 2026 | Filius Bart | Director | P · Purchase | Direct | 150,000 | $1.72 | $258K | Form 4 |
PRQR insider trading FAQ
Are insiders buying PRQR stock?
Yes. In the last 90 days, ProQR Therapeutics N.V. insiders made 2 open-market purchases totaling $612K, and no open-market sales. Purchases with the insider's own money are generally seen as a stronger signal than sales, which happen for many reasons (taxes, diversification, planned 10b5-1 sales).
Who are the insiders trading PRQR?
Recent buyers: De Boer Daniel Anton, Filius Bart.
Where does PRQR insider trading data come from?
Every transaction comes from SEC Form 4 filings on EDGAR. Company officers, directors and 10% owners must file a Form 4 within two business days of buying or selling. InsiderBolt reads these filings directly from the SEC.
More stocks with insider activity
Insider trading data is for informational purposes only and is not investment advice. Filings can be amended; always confirm details on SEC EDGAR.