🕵️ Proqr Therapeutics N.V. ($PRQR)
SEC insider & ownership activity, last 12 months · CIK 1612940 · every row links its SEC filing
Over the last 12 months insiders bought $988K with no open-market selling against it. De Boer Daniel Anton bought $500K in discretionary trades (Jul). No red-flag 8-Ks in the window.
Monthly net open-market insider flow, last 12 months (up = net buying)
Insider flow
2 buyers, $988K (4 lots) · 0 sellers, $0 (0 lots)
| Insider | Buys | Bought | Sells | Sold | Last |
|---|---|---|---|---|---|
| De Boer Daniel Anton | 2 | $500K | 0 | – | Jul 9, 2026 |
| Filius Bart | 2 | $489K | 0 | – | Jul 17, 2026 |
5%+ holders
| Holder | Stake | Class | Schedule | Event | |
|---|---|---|---|---|---|
| ELI Lilly & Co | 15.6% | 13G | Jul 24, 2026 | filing ↗ | |
| Van HERK Investments THI B.V. | 10.9% | 13D | Jul 27, 2026 | filing ↗ | |
| Van HERK Private Equity Investments B.V. | 10.9% | 13D | Jul 27, 2026 | filing ↗ | |
| Stichting Administratiekantoor Penulata | 10.9% | 13D | Jul 27, 2026 | filing ↗ | |
| Van HERK Management Services B.V. | 10.9% | 13D | Jul 27, 2026 | filing ↗ | |
| Onroerend GOED Beheer- EN Beleggingsmaatschappij A. Van HERK B.V. | 10.9% | 13D | Jul 27, 2026 | filing ↗ | |
| A. Van HERK Holding B.V. | 10.9% | 13D | Jul 27, 2026 | filing ↗ | |
| Stichting Administratiekantoor Abchrys | 10.9% | 13D | Jul 27, 2026 | filing ↗ | |
| Adrianus Van Herk | 10.9% | 13D | Jul 27, 2026 | filing ↗ | |
| Van Herk Investments B.v. | 10.9% | 13D | Jul 27, 2026 | filing ↗ | |
| Aberdeen Group PLC | 6.3% | 13G | Jul 29, 2026 | filing ↗ | |
| Abrdn Inc. | 6.3% | 13G | Jul 29, 2026 | filing ↗ | |
| Adage Capital Management, L.P. | 6.3% | 13G | Aug 12, 2025 | filing ↗ | |
| Robert Atchinson | 6.3% | 13G | Aug 12, 2025 | filing ↗ | |
| Phillip Gross | 6.3% | 13G | Aug 12, 2025 | filing ↗ | |
| Patrick Johan Hendrik Krol | 5.2% | 13G | Jul 15, 2026 | filing ↗ | |
| Privium Fund Management B.V. | exited | 13G | Jul 15, 2026 | filing ↗ | |
| Stichting Aescap Life Sciences | exited | 13G | Jul 15, 2026 | filing ↗ | |
| Stichting Aescap Genetics | exited | 13G | Jul 15, 2026 | filing ↗ | |
| Inspirational Visions B.v. | exited | 13G | Jul 15, 2026 | filing ↗ |
Planned insider sales (Form 144)
No sale notices filed in the last 12 months.
Material events (8-K)
No 8-K filings in the last 12 months.