ProQR Therapeutics (PRQR) insider trading in the last 6 months

Form 4 filings, newest first

Quality Score today -5

2 insiders bought $1.3M. No sales.

BuyDaniel Anton de Boer$354KChief Executive Officerat $1.77 on Jul 31, filed Aug 3

BuyDaniel Anton de BoerChief Executive Officer$354Kat $1.77 on Jul 31, filed Aug 3

BuyBart Filius$258KDirectorat $1.72 on Jul 17, filed Jul 21

BuyBart FiliusDirector$258Kat $1.72 on Jul 17, filed Jul 21

BuyDaniel Anton de Boer$261KChief Executive Officerat $1.74 on Jul 9, filed Jul 13

BuyDaniel Anton de BoerChief Executive Officer$261Kat $1.74 on Jul 9, filed Jul 13

From SEC Form 4s, the newest filed Aug 3, 2026 · Insiders have 2 business days to file a trade

2 more filings on PRQR in the last 6 months, for Pro members. See them free →

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Pro members see every filing on PRQR with what each insider bought or sold and at what price, and can turn on an optional alert when an insider buys.

Who files at ProQR Therapeutics

Insider trades by person

Cluster buys at PRQR

2 insiders bought PRQR in the last 6 months: Daniel Anton de Boer and Bart Filius.

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Questions about PRQR's insider trades

As of Nov 2, 2026: ProQR Therapeutics (PRQR) has 5 insider filings on record in the last 6 months, the newest filed Aug 3, 2026. Its Quality Score is -5 (Poor). Scores as of 9:30 PM ET, 15 minutes behind.

Are PRQR insiders buying or selling?

2 insiders bought $1.3M across 5 filings in the last 6 months. No open-⁠market sales on record. The newest filing: Daniel Anton de Boer, Chief Executive Officer, bought $354K on Jul 31, 2026. 2 insiders bought PRQR in the last 6 months: Daniel Anton de Boer and Bart Filius.

Who are PRQR's biggest insider sellers?

No PRQR insider sold shares on the open market in the last 6 months, as filed on Form 4.

When did a PRQR insider last buy?

Daniel Anton de Boer, Chief Executive Officer, bought PRQR shares ($354K) on Jul 31, 2026, filed Aug 3, 2026, the newest insider buy on record.

ProQR Therapeutics's page has its Quality Score, its chart, and its earnings. More in Healthcare and Biotech.