Netherlands Biotechnology & Medical Research

ProQR Therapeutics NV (PRQR)

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ProQR Therapeutics witnessed significant insider buying over the past ninety days, totaling 1.47 million dollars. Chief Executive Officer Daniel de Boer and Bart Filius executed five purchase transactions. These acquisitions occurred following positive results financiers, despite a slight decline in share price performance relative to annual highs.
Ticker: PRQR Exchange: NAS
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• Purchase • Sale • Planned purchase • Planned sale Net purchase Net sale Buy signal Sell signal Earnings
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Insider trades have triggered activity signals for ProQR Therapeutics NV. Upgrade to see score, net flow, insiders and the full signal context.

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Top insiders
Trades
Abbreviations B: Buy, S: Sell, PP: Planned purchase, PlS: Planned sale, PrS: Proposed sale, O: Option / Other
de Boer Daniel Anton Chief Executive Officer Executive Director
Transaction date
Purchase
Price
260.65
Quantity 49,249 +3.7%
Value US$4,283,441
de Boer Daniel Anton Chief Executive Officer Executive Director
Transaction date
Purchase
Price
391.00
Quantity 74,457 +19.1%
Value US$2,018,246
Filius Bart Non-Executive Director
Transaction date
Purchase
Price
74.82
Quantity 82,558 -28.1%
Value US$1,573,913
de Boer Daniel Anton Chief Executive Officer Executive Director
Transaction date
Purchase
Price
1.74
Quantity 150,000 +100.0%
Value US$261,000
de Boer Daniel Anton Chief Executive Officer Executive Director
Transaction date
Purchase
Price
1.59
Quantity 150,000 +inf%
Value US$238,500
Filius Bart Non-Executive Director
Transaction date
Purchase
Price
1.54
Quantity 150,000 +inf%
Value US$231,000
Notification date Transaction date B/S Transaction type Insider and/or position Nb. shares
Price
Value 		Number of shares Price Value Details
2026-08-03 2026-07-31 B Purchase
de Boer Daniel Anton

Chief Executive Officer

Executive Director
49,249 +3.7%
260.65
US$4,283,441 		49,249 +3.7% 260.65 US$4,283,441
2026-08-03 2026-07-31 B Purchase
de Boer Daniel Anton

Chief Executive Officer

Executive Director
74,457 +19.1%
391.00
US$2,018,246 		74,457 +19.1% 391.00 US$2,018,246
2026-07-21 2026-07-17 B Purchase
Filius Bart
Non-Executive Director
82,558 -28.1%
74.82
US$1,573,913 		82,558 -28.1% 74.82 US$1,573,913
2026-07-13 2026-07-09 B Purchase
de Boer Daniel Anton

Chief Executive Officer

Executive Director
150,000 +100.0%
1.74
US$261,000 		150,000 +100.0% 1.74 US$261,000
2026-07-08 2026-07-07 B Purchase
de Boer Daniel Anton

Chief Executive Officer

Executive Director
150,000 +inf%
1.59
US$238,500 		150,000 +inf% 1.59 US$238,500
2026-06-30 2026-06-26 B Purchase
Filius Bart
Non-Executive Director
150,000 +inf%
1.54
US$231,000 		150,000 +inf% 1.54 US$231,000
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