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US INSIDER PROFILE · NON-SCORING RESEARCH

Filius Bart

Director

Identity: SEC reporting-owner CIK · Reporting-owner CIK: 0002115417

Purchase history

Companies traded
1
Purchases · 12M
2
Purchases · 24M
2
Average purchase
$244.5K
Median purchase
$244.5K
Gross purchase value
$489.0K

Companies: ProQR Therapeutics N.V.

2 SEC accession(s) · 0 joint-owner event(s). Values are reported Form 4 transaction values in USD.

Qualifying purchase disclosures

PublishedCompanyTickerRoleReported valueSEC source
2026-07-21ProQR Therapeutics N.V.PRQRDirector$258.0KOpen filing
2026-06-30ProQR Therapeutics N.V.PRQRDirector$231.0KOpen filing

Post-purchase outcomes

Excess return = stock return − S&P 500 ETF (SPY adjusted close) return. Returns start on the first shared trading session on or after publication.

No completed point-in-time price outcome is available yet.

Research patterns

First purchase in 12M
1/2
Large purchase ≥ $100k
2/2
Cluster buying · 15D
1/2
Buying the dip
0/—

Routine / opportunistic: Not classifiable. These labels never affect the score or ranking.

Small samples remain visible but are not scored. This research enrichment never affects US-v1.1.