Filius Bart
SEC Form 4 insider trading activity
Filius Bart has filed 2 SEC Form 4 filings (2 transaction rows) across 1 company, with disclosures dating back to 2026. 2 of those filings fall inside the rolling window. Most recent filing: Jul 21, 2026.
On the most recent filing, Filius Bart is listed as Director at ProQR Therapeutics N.V. Inside the rolling window, Filius Bart reported 2 open-market purchases totaling $489K in PRQR and no open-market sales. The largest disclosed transaction in the window is a purchase of 150,000 PRQR shares on Jul 17, 2026, worth $258K.
Companies traded
Other insiders at PRQR
Insider Buying
$489K
reported purchases (SEC code P)
Insider Selling
$0
reported sales (SEC code S)
Companies
1
in the rolling window
Frequently asked questions
How many SEC Form 4 filings has Filius Bart made?
Filius Bart has filed 2 SEC Form 4 filings (2 transaction rows) across 1 company since 2026.
Which companies does Filius Bart trade?
Filius Bart has filed SEC Form 4 disclosures for 1 company, including PRQR.
When was Filius Bart's most recent SEC Form 4 filing?
Filius Bart's most recent SEC Form 4 filing on Tracefour is dated Jul 21, 2026.
What is Filius Bart's total buy and sell value in the current window?
Inside the rolling retention window, Filius Bart bought $489K and sold $0 based on SEC Form 4 filings.
What was Filius Bart's largest disclosed transaction?
The largest disclosed transaction in the current window is a purchase of 150,000 PRQR shares on 2026-07-17, worth $258K, per SEC Form 4 filings.