Bart Filius Insider Trades & Stock Holdings

ProQR Therapeutics N.V. · Latest filing Jun 26, 2026

Bart Filius at ProQR Therapeutics N.V. has 1 Form 4 trade on file since Jun 26, 2026. Open-market activity: 1 purchase ($231K) and 0 sales ($0), net +$231K. Latest filing: acquired 150K shares of $PRQR on Jun 26, 2026 at $1.54.

Trades on file

1

Open-market bought

$231K

Open-market sold

$0

Net open-market

+$231K

Latest filing

Jun 26, 2026

All insider trades by Bart Filius

Date	Ticker	Type	Shares	Price	Value	Owned after	ΔOwn	1W	1M	6M	Role	Filing	Story
Jun 26, 2026	$PRQR	Buy (Open-market buy)	150K	$1.54	$231K			+12.4%	+13.1%				Read

"Buy" means shares acquired on the Form 4 (including grants and option exercises); "Sell" means shares disposed. 1W / 1M / 6M = how the stock moved after the trade.

Stocks Bart Filius traded

• $PRQR

Frequently asked questions

Has Bart Filius been buying or selling stock?

Bart Filius has 1 open-market purchase and 0 open-market sales on file, net +$231K. Grants, option exercises and tax withholding are listed separately because they are not open-market trades.

What was Bart Filius's latest insider trade?

acquired 150K shares of $PRQR on Jun 26, 2026 at $1.54.

Data comes from public SEC Form 4 and 13F filings and STOCK Act disclosures. Dates are the trade or filing date reported. This page is for research only and is not investment advice.