Bart Filius
Director · ProQR Therapeutics N.V.
IndividualBuying only
- 2026
- Jul 21, 2026
- 2
Filings (90d)
Other insiders active in the same stocks
Insiders who reported open-market trades in the last 12 months at the companies Bart Filius files at. Multiple unrelated insiders buying the same stock within a short window, cluster buying, has historically been one of the strongest Form 4 signals.
- Boer Daniel Anton de - $853K in PRQR purchases and sales in the last 12 months
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Frequently asked questions
Who is Bart Filius?
Bart Filius is a corporate insider, tracked as Director of ProQR Therapeutics N.V. (PRQR). InsiderAlpha holds 2 primary Form 4 filings for them, the earliest from 2026, updated as new SEC EDGAR filings are processed.
How many SEC Form 4 filings has Bart Filius submitted recently?
1 primary Form 4 filing in the last 90 days, covering 1 company.
Has Bart Filius been buying or selling stock?
Recorded transactions: 2 open-market purchases ($489K) and 0 open-market sales across all tracked filings.
