Bart Filius bought $258K of PRQR stock

Bart Filius, Dir of ProQR Therapeutics N.V. (PRQR), bought 150,000 shares of PRQR stock worth $258K, per an SEC Form 4 filed Jul 21, 2026.

It was an open-market purchase.

The trade happened on Jul 17, 2026, 4 days before it was made public.

PRQR has moved -20.0% since the trade date, from $1.70 to $1.36 (Nov 12, 2026 close).