ProQR Therapeutics N.V. SEC filings PRQR
ProQR Therapeutics N.V. has 391 filings in SEC EDGAR's recent list, going back to Jul 11, 2014. Its latest annual report, Form 20-F, was filed on Mar 12, 2026 for the period ended Dec 31, 2025. The most recent current report (Form 6-K) was filed on Oct 28, 2026. The company's fiscal year ends on December 31.
| Form | Description | Filed | Period |
|---|---|---|---|
| 4 | Insider transaction | Aug 3, 2026 | Jul 31, 2026 |
| SCHEDULE 13D/A | Amended ownership over 5% (active) | Jul 29, 2026 | — |
| SCHEDULE 13G | Ownership over 5% (passive) | Jul 29, 2026 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Jul 24, 2026 | — |
| 4 | Insider transaction | Jul 21, 2026 | Jul 17, 2026 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Jul 15, 2026 | — |
| 4 | Insider transaction | Jul 13, 2026 | Jul 9, 2026 |
| 4 | Insider transaction | Jul 8, 2026 | Jul 7, 2026 |
| SCHEDULE 13D/A | Amended ownership over 5% (active) | Jun 30, 2026 | — |
| 4/A | Ownership document | Jun 30, 2026 | Jun 2, 2026 |
| 4 | Insider transaction | Jun 30, 2026 | Jun 26, 2026 |
| SCHEDULE 13D/A | Amended ownership over 5% (active) | Jun 3, 2026 | — |
| 4 | Insider transaction | Jun 3, 2026 | Jun 2, 2026 |
| 3 | Initial insider ownership | Jun 2, 2026 | Jun 2, 2026 |
| 3 | Initial insider ownership | Mar 18, 2026 | Mar 18, 2026 |
| 3 | Initial insider ownership | Mar 18, 2026 | Mar 18, 2026 |
| 3 | Initial insider ownership | Mar 18, 2026 | Mar 18, 2026 |
| 3 | Initial insider ownership | Mar 18, 2026 | Mar 18, 2026 |
| 3 | Initial insider ownership | Mar 18, 2026 | Mar 18, 2026 |
| 3 | Initial insider ownership | Mar 18, 2026 | Mar 18, 2026 |
| 3 | Initial insider ownership | Mar 18, 2026 | Mar 18, 2026 |
| 3 | Initial insider ownership | Mar 18, 2026 | Mar 18, 2026 |
| 3 | Initial insider ownership | Mar 18, 2026 | Mar 18, 2026 |
| 3 | Initial insider ownership | Mar 18, 2026 | Mar 18, 2026 |
| SCHEDULE 13D/A | Amended ownership over 5% (active) | Feb 6, 2026 | — |
| SCHEDULE 13G | Ownership over 5% (passive) | Jan 20, 2026 | — |
| SCHEDULE 13D/A | Amended ownership over 5% (active) | Sep 30, 2025 | — |
| SCHEDULE 13D/A | Amended ownership over 5% (active) | Sep 4, 2025 | — |
| SCHEDULE 13D/A | Amended ownership over 5% (active) | Aug 20, 2025 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Aug 12, 2025 | — |
| SCHEDULE 13D | Ownership over 5% (active) | May 28, 2025 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | May 12, 2025 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Feb 14, 2025 | — |
| SCHEDULE 13G | Ownership over 5% (passive) | Feb 12, 2025 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 14, 2024 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 9, 2024 | — |
| SC 13G | Ownership over 5% (passive) | Sep 14, 2023 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 14, 2023 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 9, 2023 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 9, 2023 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 9, 2023 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 8, 2023 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Dec 23, 2022 | — |
| SC 13G/A | Amended ownership over 5% (passive) | May 9, 2022 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 14, 2022 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 10, 2022 | — |
| SC 13G | Ownership over 5% (passive) | Feb 9, 2022 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 7, 2022 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 4, 2022 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 4, 2022 | — |
| SC 13G | Ownership over 5% (passive) | Sep 10, 2021 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Apr 6, 2021 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 12, 2021 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 12, 2021 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 11, 2021 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 10, 2021 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 9, 2021 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 9, 2021 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 3, 2021 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 14, 2020 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 12, 2020 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 11, 2020 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 7, 2020 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 3, 2020 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Jan 29, 2020 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Jan 28, 2020 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Jan 27, 2020 | — |
| SC 13G | Ownership over 5% (passive) | Nov 8, 2019 | — |
| SC 13G | Ownership over 5% (passive) | Aug 28, 2019 | — |
| SC 13G | Ownership over 5% (passive) | Feb 22, 2019 | — |
| SC 13G | Ownership over 5% (passive) | Feb 15, 2019 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 14, 2019 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 14, 2019 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 13, 2019 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 12, 2019 | — |
| SC 13G | Ownership over 5% (passive) | Feb 7, 2019 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 1, 2019 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Jan 31, 2019 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Jan 18, 2019 | — |
| SC 13G | Ownership over 5% (passive) | Sep 17, 2018 | — |
| SC 13G | Ownership over 5% (passive) | May 25, 2018 | — |
| SC 13G | Ownership over 5% (passive) | Apr 12, 2018 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 14, 2018 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 14, 2018 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 13, 2018 | — |
| SC 13G | Ownership over 5% (passive) | Feb 9, 2018 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 6, 2018 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Jan 26, 2018 | — |
| SC 13G | Ownership over 5% (passive) | Oct 11, 2017 | — |
| SC 13G | Ownership over 5% (passive) | Jul 6, 2017 | — |
| SC 13G | Ownership over 5% (passive) | Feb 14, 2017 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 13, 2017 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 3, 2017 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Jan 24, 2017 | — |
| SC 13G | Ownership over 5% (passive) | Apr 11, 2016 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Apr 11, 2016 | — |
| SC 13G | Ownership over 5% (passive) | Apr 8, 2016 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 16, 2016 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 12, 2016 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 11, 2016 | — |
| 144 | Notice of proposed sale | Jul 28, 2015 | — |
| SC 13G | Ownership over 5% (passive) | Feb 17, 2015 | — |
| SC 13G | Ownership over 5% (passive) | Feb 17, 2015 | — |
| SC 13G | Ownership over 5% (passive) | Feb 13, 2015 | — |
Showing 104 filings. Main filings leave out insider and ownership forms such as Form 4; choose a type above to see them. Each form opens on SEC.gov. Older filings are on SEC EDGAR.
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Company profile
- Industry
- Pharmaceutical Preparations (SIC 2834)
- Listed as
- PRQR (Nasdaq)
- Fiscal year ends
- December 31
- Incorporated in
- Netherlands
- Headquarters
- Leiden
- SEC filer status
- Accelerated filer
- SEC CIK
- 1612940
- Former names
- ProQR Therapeutics B.V. (until Oct 3, 2014)
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Source: SEC EDGAR filings. This is company-reported data, not investment advice.