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PRQR

ProQR Therapeutics (PRQR) stock: insider trades, news & valuation

Net buying
Close · Oct 9, 2026 $1.63 +3.8% on the day -34.8% over 12 months 52-week range $1.37 – $3.05

Share price and insider trades

PRQR closeInsider buyInsider sale
1.001.502.002.503.003.50NovDecJan 2026FebMarAprMayJunJulAugSepOctBought $231,000 on 2026-06-26 · Bart FiliusBought $238,500 on 2026-07-07 · Boer Daniel Anton DeBought $258,000 on 2026-07-17 · Bart FiliusBought $261,000 on 2026-07-09 · Boer Daniel Anton DeBought $354,000 on 2026-07-31 · Boer Daniel Anton De
Bought, 12 months$1.3M
Sold, 12 months$0
Insiders buying2
Insiders selling0

ProQR Therapeutics insider trading at a glance (Oct 9, 2026): in the past 12 months, 2 insiders bought $1.3M and 0 sold $0 of PRQR stock on the open market.

PRQR insider buying and selling by quarter

Open-market purchases (green, above the line) and sales (red, below), by trade date.

Q2 2026: $231K bought (1 trades)$231KQ2 2026Q3 2026: $1.1M bought (4 trades)$1.1MQ3 2026Q4 2026
QuarterBoughtPurchasesSoldSales
Q4 2026—0—0
Q3 2026$1.1M4—0
Q2 2026$231K1—0

Valuation, profit and volume

P/E (trailing)n/aSector median —
Market value— 
Profit margin—Revenue growth —
Volume vs. 50-day0.9×Last 5 sessions
Insiders' paper profit−$38KOn all tracked purchases -2.9%

Summary

Over the past 12 months, 2 ProQR Therapeutics N.V. insiders reported open-market purchases totaling $1.3M, while 0 insiders reported sales totaling $0.

Insider transactions

Open-market purchases and sales.

Filed Insider Type Shares Price Value Since Score
Aug 3SEC Boer Daniel Anton DeCEO Buy 200,000500,000 held (+67%) $1.77 $354K -7.9% —
Jul 21SEC Bart FiliusDirector Buy 150,000300,000 held (+100%) $1.72 $258K -5.2% —
Jul 13SEC Boer Daniel Anton DeCEO Buy 150,000300,000 held (+100%) $1.74 $261K -6.3% —
Jul 8SEC Boer Daniel Anton DeCEO Buy 150,000new position $1.59 $238K +2.5% —
Jun 30SEC Bart FiliusDirector Buy 150,000new position $1.54 $231K +5.8% —

Insiders at ProQR Therapeutics N.V.

InsiderBoughtSoldLast filingScore
Boer Daniel Anton DeCEO $854K — Aug 3, 2026 —
Bart FiliusDirector $489K — Jul 21, 2026 —

PRQR stock: common questions

Are ProQR Therapeutics N.V. insiders buying PRQR stock?

In the past 12 months, 2 insiders reported open-market purchases of PRQR worth $1.3M. The latest was CEO Boer Daniel Anton De bought $354K of PRQR at $1.77 — largest purchase by this insider in our records; raises the stake by 67%.

Are ProQR Therapeutics N.V. insiders selling PRQR stock?

0 insiders reported sales worth $0 over the same period.

Where does this data come from?

Every transaction comes from Form 4 filings that insiders must submit to the SEC within two business days of a trade. We pull them from SEC EDGAR every night.

What is PRQR's 52-week range?

Over the past year PRQR has traded between $1.37 and $3.05. It last closed at $1.63 on Oct 9, 2026.