ProQR Therapeutics N.V.
PRQR- Exchange
- Nasdaq
- Industry
- Pharmaceutical Preparations
- SEC CIK
- 0001612940
In the last 90 days, ProQR Therapeutics N.V. insiders filed 5 open-market purchases and 0 sales; 70 institutions reported holding it in 13F filings for Q2 2026, worth $113.0M in total; no superinvestor holds it.
Open-market trades, last 90 days
Open-market purchases (P) and sales (S) by ProQR Therapeutics N.V. insiders, counted by Form 4 filing. Trades with a flagged price and duplicate filings are left out.
- Open-market buys
- 5 filings
- 2 insiders, $1.34M in total
- Open-market sells
- 0 filings
- Insiders trading
- 2
- Net value
- +$1.34M
- Purchases minus sales
Insider roster
Directors, officers and 10% owners who have filed a Form 4 for ProQR Therapeutics N.V., current and former, most recent filer first. Last reported holding is the position after the last non-derivative trade in their latest filing.
| Name | Title | Last reported holding | Last filing | Filings, past year |
|---|---|---|---|---|
| de Boer Daniel Anton | Chief Executive Officer | 500,000 | Aug 3, 2026 | 3 |
| Filius Bart | Director | 300,000 | Jul 21, 2026 | 2 |
| Hinsch Gylvin Lykke | Director | – | Jun 30, 2026 | 1 |
Insider trades
Each row adds up one type of transaction in one Form 4 filing. Only open-market purchases (P) and sales (S) are shown by default; use the filters to see grants, option exercises and other codes.
| Filed (ET) | Trade date | Filing delay | Insider | Transaction | Shares | Avg price | Value | Holding change | Flags |
|---|---|---|---|---|---|---|---|---|---|
| Aug 3, 2026 (view filing)4:01 PM ET | Jul 31 | 3 days | de Boer Daniel AntonChief Executive Officer | PPurchase | +200.0K | $1.77 | +$354.0K | +66.7%500.0K after | |
| Jul 21, 2026 (view filing)8:00 AM ET | Jul 17 | 4 days | Filius BartDirector | PPurchase | +150.0K | $1.72 | +$257.9K | +100.0%300.0K after | |
| Jul 13, 2026 (view filing)8:00 AM ET | Jul 9 | 4 days | de Boer Daniel AntonChief Executive Officer | PPurchase | +150.0K | $1.74 | +$261.0K | +100.0%300.0K after | |
| Jul 8, 2026 (view filing)2:55 PM ET | Jul 7 | 1 day | de Boer Daniel AntonChief Executive Officer | PPurchase | +150.0K | $1.59 | +$238.5K | New position150.0K after | |
| Jun 30, 2026 (view filing) | Jun 26 | 4 days | Filius BartDirector | PPurchase | +150.0K | $1.54 | +$231.0K | New position150.0K after |