PRQR
ProQR Therapeutics N.V. · Healthcare · Market cap $148.6M(Price slightly stale)
Insiders bought $1.3M net in the last 90 days ·0 sellers, 2 buyers· latest Form 4 filed Aug 3, 2026
Insider Buying
$1.3M
reported purchases (SEC code P)
Insider Selling
$0
reported sales (SEC code S)
Unique Insiders
2
in the rolling window
Latest filing
Aug 3, 2026
de Boer Daniel Anton
ProQR Therapeutics N.V. (PRQR) has 5 SEC Form 4 filings (5 transaction rows) in the rolling window, disclosed by 2 distinct insiders. Most recent filing: Aug 3, 2026.
Inside the rolling window, 2 insiders at ProQR Therapeutics N.V. reported 5 open-market purchases totaling $1.3M and no open-market sales. The most active filer is Chief Executive Officer de Boer Daniel Anton with 3 filings. Insiders have net bought $1.3M over the trailing 6 months. The most recent open-market filing is a purchase of 200,000 shares by Chief Executive Officer de Boer Daniel Anton, dated Jul 31, 2026, worth $354K.
- Industry:Biotechnology
- CEO:Daniel Anton de Boer
- Employees:166
- HQ:Leiden, ZH, NL
- IPO:2014-09-18
| Source | |||||||
|---|---|---|---|---|---|---|---|
| Chief Executive Officer | Purchase | 200,000 | $354K | Aug 3 | -17.5% | SEC ↗ | |
| Director | Purchase | 150,000 | $258K | Jul 21 | -25.0% | SEC ↗ | |
| Chief Executive Officer | Purchase | 150,000 | $261K | Jul 13 | -17.1% | SEC ↗ | |
de Boer Daniel AntonFirst filing | Chief Executive Officer | Purchase | 150,000 | $239K | Jul 8 | -16.1% | SEC ↗ |
Filius BartFirst filing | Director | Purchase | 150,000 | $231K | Jun 30 | -24.2% | SEC ↗ |
Frequently asked questions
How many SEC Form 4 insider filings does PRQR have?
ProQR Therapeutics N.V. (PRQR) has 5 SEC Form 4 filings (5 transaction rows) in the rolling 365-day window, disclosed by 2 distinct insiders. Most recent filing: Aug 3, 2026.
When was the most recent SEC Form 4 filing for PRQR?
The most recent Form 4 filing for PRQR on Tracefour is dated Aug 3, 2026.
Who is the most active insider at PRQR?
The most active SEC Form 4 filer at PRQR in the rolling window is Chief Executive Officer de Boer Daniel Anton, with 3 filings.
What is the net insider flow at PRQR over the last 6 months?
Over the trailing 180 days, insiders at PRQR have net bought $1.3M based on SEC Form 4 disclosures.
What is the total insider buy and sell value at PRQR in the current window?
Inside the rolling window, insiders at PRQR bought $1.3M and sold $0 based on SEC Form 4 filings.
Can I get alerts for PRQR insider trading?
Yes. Tracefour sends a free email when a new SEC Form 4 purchase or sale is filed at ProQR Therapeutics N.V. (PRQR). Alerts are set per company from the page itself, there is no paid tier, and each email links to the original filing on SEC EDGAR.
Related companies
ProQR Therapeutics N.V. is in the Healthcare sector.