Bart Filius
CIK 2115417 · View on SEC EDGAR ↗
Insider
First SEC filing: March 18, 2026 · Latest: March 18, 2026
On this page
Insider at
Insider transactions
2 buys (P)
0 sells (S)
Net:
$489,000
Avg return of open purchases vs now:
45.2%
last 12 months, based on the transactions shown below
Price change vs current quote, split-adjusted for corporate actions since the filing — not benchmarked, not annualized, not size-weighted
| Date | Ticker | Code | Shares | Price | Value | Owned after | Δ own | A/D | vs now |
|---|---|---|---|---|---|---|---|---|---|
| July 17, 2026 | PRQR | P | 150,000 | $1.72 | $258,000 | 300,000 Direct | +100.00% | Acquired | 37.2% (price as of 2026-08-20) |
| June 26, 2026 | PRQR | P | 150,000 | $1.54 | $231,000 | 150,000 Direct | — | Acquired | 53.2% (price as of 2026-08-20) |
P = Open-market purchase · S = Sale · A = Grant/award · M = Option exercise · G = Gift · F = Tax withholding
Insider transactions are not a recommendation; sales are often driven by liquidity or tax reasons.
Initial ownership (Form 3) 8 holdings
Securities held when first becoming an insider, per SEC Form 3.
| Date | Ticker | Security | Shares | Ownership |
|---|---|---|---|---|
| March 18, 2026 | PRQR | Share Option (Right to Buy)→ Ordinary Shares (12,755) | 12,755 | Direct |
| March 18, 2026 | PRQR | Share Option (Right to Buy)→ Ordinary Shares (24,615) | 24,615 | Direct |
| March 18, 2026 | PRQR | Share Option (Right to Buy)→ Ordinary Shares (23,239) | 23,239 | Direct |
| March 18, 2026 | PRQR | Share Option (Right to Buy)→ Ordinary Shares (23,931) | 23,931 | Direct |
| March 18, 2026 | PRQR | Share Option (Right to Buy)→ Ordinary Shares (22,608) | 22,608 | Direct |
| March 18, 2026 | PRQR | Share Option (Right to Buy)→ Ordinary Shares (23,489) | 23,489 | Direct |
| March 18, 2026 | PRQR | Share Option (Right to Buy)→ Ordinary Shares (22,128) | 22,128 | Direct |
| March 18, 2026 | PRQR | Share Option (Right to Buy)→ Ordinary Shares (25,192) | 25,192 | Direct |