Icon PLC SEC filings ICLR
Icon PLC has 840 filings in SEC EDGAR's recent list, going back to Feb 12, 2001. Its latest annual report, Form 20-F, was filed on May 27, 2026 for the period ended Dec 31, 2025. The most recent current report (Form 6-K) was filed on Oct 27, 2026.
| Form | Description | Filed | Period |
|---|---|---|---|
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Nov 5, 2026 | — |
| 4 | Insider transaction | Nov 4, 2026 | Nov 2, 2026 |
| 4 | Insider transaction | Nov 3, 2026 | Oct 31, 2026 |
| 4 | Insider transaction | Nov 3, 2026 | Oct 31, 2026 |
| 4 | Insider transaction | Nov 3, 2026 | Oct 31, 2026 |
| 144 | Notice of proposed sale | Nov 2, 2026 | — |
| 144 | Notice of proposed sale | Nov 2, 2026 | — |
| 144 | Notice of proposed sale | Nov 2, 2026 | — |
| 4 | Insider transaction | Oct 26, 2026 | Oct 22, 2026 |
| 4 | Insider transaction | Sep 18, 2026 | Sep 16, 2026 |
| 4 | Insider transaction | Sep 18, 2026 | Sep 17, 2026 |
| 4 | Insider transaction | Sep 18, 2026 | Sep 17, 2026 |
| 144 | Notice of proposed sale | Sep 17, 2026 | — |
| 144 | Notice of proposed sale | Sep 17, 2026 | — |
| 144 | Notice of proposed sale | Sep 16, 2026 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Aug 13, 2026 | — |
| 4 | Insider transaction | Aug 12, 2026 | Aug 10, 2026 |
| 4 | Insider transaction | Aug 12, 2026 | Aug 10, 2026 |
| 4 | Insider transaction | Aug 12, 2026 | Aug 10, 2026 |
| 4 | Insider transaction | Aug 12, 2026 | Aug 10, 2026 |
| 4 | Insider transaction | Aug 12, 2026 | Aug 10, 2026 |
| 4 | Insider transaction | Aug 12, 2026 | Aug 10, 2026 |
| 4 | Insider transaction | Aug 12, 2026 | Aug 10, 2026 |
| 4 | Insider transaction | Aug 12, 2026 | Aug 10, 2026 |
| 4 | Insider transaction | Aug 12, 2026 | Aug 10, 2026 |
| 4 | Insider transaction | Aug 12, 2026 | Aug 10, 2026 |
| 144 | Notice of proposed sale | Aug 11, 2026 | — |
| 144 | Notice of proposed sale | Aug 11, 2026 | — |
| 144 | Notice of proposed sale | Aug 11, 2026 | — |
| 144 | Notice of proposed sale | Aug 11, 2026 | — |
| 144 | Notice of proposed sale | Aug 11, 2026 | — |
| 144 | Notice of proposed sale | Aug 11, 2026 | — |
| 144 | Notice of proposed sale | Aug 11, 2026 | — |
| 144 | Notice of proposed sale | Aug 11, 2026 | — |
| 4 | Insider transaction | Aug 11, 2026 | Aug 10, 2026 |
| 4 | Insider transaction | Aug 11, 2026 | Aug 7, 2026 |
| 144 | Notice of proposed sale | Aug 10, 2026 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Aug 6, 2026 | — |
| 3 | Initial insider ownership | Jun 5, 2026 | Jun 1, 2026 |
| 3 | Initial insider ownership | Jun 5, 2026 | Jun 1, 2026 |
| SCHEDULE 13G | Ownership over 5% (passive) | May 15, 2026 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | May 15, 2026 | — |
| 4 | Insider transaction | May 15, 2026 | May 14, 2026 |
| 4 | Insider transaction | May 15, 2026 | May 14, 2026 |
| 4 | Insider transaction | May 15, 2026 | May 14, 2026 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | May 15, 2026 | — |
| SCHEDULE 13G | Ownership over 5% (passive) | May 6, 2026 | — |
| SCHEDULE 13G | Ownership over 5% (passive) | May 6, 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 |
| 3 | Initial insider ownership | Mar 18, 2026 | Mar 18, 2026 |
| 144 | Notice of proposed sale | Mar 9, 2026 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Mar 6, 2026 | — |
| 144 | Notice of proposed sale | Mar 4, 2026 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Feb 17, 2026 | — |
| SCHEDULE 13G | Ownership over 5% (passive) | Nov 14, 2025 | — |
| SCHEDULE 13G | Ownership over 5% (passive) | Nov 12, 2025 | — |
| 144 | Notice of proposed sale | Nov 3, 2025 | — |
| 144 | Notice of proposed sale | Oct 2, 2025 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Aug 12, 2025 | — |
| 144 | Notice of proposed sale | Aug 8, 2025 | — |
| 144 | Notice of proposed sale | Aug 8, 2025 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Jul 3, 2025 | — |
| 144 | Notice of proposed sale | May 23, 2025 | — |
| 144 | Notice of proposed sale | May 23, 2025 | — |
| 144 | Notice of proposed sale | May 23, 2025 | — |
| 144 | Notice of proposed sale | May 23, 2025 | — |
| 144 | Notice of proposed sale | May 23, 2025 | — |
| 144 | Notice of proposed sale | May 23, 2025 | — |
| 144 | Notice of proposed sale | May 19, 2025 | — |
| 144 | Notice of proposed sale | May 19, 2025 | — |
| SCHEDULE 13G | Ownership over 5% (passive) | May 15, 2025 | — |
| 144 | Notice of proposed sale | May 6, 2025 | — |
| 144 | Notice of proposed sale | Mar 17, 2025 | — |
| 144 | Notice of proposed sale | Mar 4, 2025 | — |
| 144 | Notice of proposed sale | Mar 4, 2025 | — |
| 144 | Notice of proposed sale | Mar 4, 2025 | — |
| 144 | Notice of proposed sale | Mar 4, 2025 | — |
| 144 | Notice of proposed sale | Dec 5, 2024 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Nov 12, 2024 | — |
| 144 | Notice of proposed sale | Aug 26, 2024 | — |
| 144 | Notice of proposed sale | Jul 30, 2024 | — |
| 144 | Notice of proposed sale | Jul 29, 2024 | — |
| 144 | Notice of proposed sale | Jul 29, 2024 | — |
| 144 | Notice of proposed sale | Jun 5, 2024 | — |
| 144 | Notice of proposed sale | Jun 5, 2024 | — |
| 144 | Notice of proposed sale | Jun 3, 2024 | — |
| 144 | Notice of proposed sale | May 23, 2024 | — |
| 144 | Notice of proposed sale | May 23, 2024 | — |
| 144 | Notice of proposed sale | May 23, 2024 | — |
| 144 | Notice of proposed sale | May 23, 2024 | — |
| 144 | Notice of proposed sale | May 23, 2024 | — |
| 144 | Notice of proposed sale | May 23, 2024 | — |
| 144 | Notice of proposed sale | May 23, 2024 | — |
| 144 | Notice of proposed sale | May 15, 2024 | — |
| 144 | Notice of proposed sale | May 10, 2024 | — |
| 144 | Notice of proposed sale | Mar 18, 2024 | — |
| 144 | Notice of proposed sale | Mar 13, 2024 | — |
| 144 | Notice of proposed sale | Mar 8, 2024 | — |
| 144 | Notice of proposed sale | Mar 6, 2024 | — |
| 144 | Notice of proposed sale | Mar 4, 2024 | — |
| 144 | Notice of proposed sale | Mar 4, 2024 | — |
| 144 | Notice of proposed sale | Mar 4, 2024 | — |
| 144 | Notice of proposed sale | Mar 4, 2024 | — |
| 144 | Notice of proposed sale | Mar 4, 2024 | — |
| 144 | Notice of proposed sale | Feb 26, 2024 | — |
| 144 | Notice of proposed sale | Feb 26, 2024 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 9, 2024 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Jan 30, 2024 | — |
| 144 | Notice of proposed sale | Dec 13, 2023 | — |
| 144 | Notice of proposed sale | Nov 21, 2023 | — |
| 144 | Notice of proposed sale | Nov 21, 2023 | — |
| 144 | Notice of proposed sale | Nov 16, 2023 | — |
| 144 | Notice of proposed sale | Nov 7, 2023 | — |
| 144 | Notice of proposed sale | Sep 15, 2023 | — |
| 144 | Notice of proposed sale | Sep 14, 2023 | — |
| 144 | Notice of proposed sale | Aug 25, 2023 | — |
| 144 | Notice of proposed sale | Aug 8, 2023 | — |
| 144 | Notice of proposed sale | Aug 4, 2023 | — |
| 144 | Notice of proposed sale | Aug 1, 2023 | — |
| 144 | Notice of proposed sale | Jul 31, 2023 | — |
| 144 | Notice of proposed sale | Jul 31, 2023 | — |
| 144 | Notice of proposed sale | Jun 14, 2023 | — |
| 144 | Notice of proposed sale | Jun 9, 2023 | — |
| 144 | Notice of proposed sale | Jun 2, 2023 | — |
| 144 | Notice of proposed sale | May 22, 2023 | — |
| 144 | Notice of proposed sale | May 22, 2023 | — |
| 144 | Notice of proposed sale | May 22, 2023 | — |
| 144 | Notice of proposed sale | May 22, 2023 | — |
| 144 | Notice of proposed sale | May 22, 2023 | — |
| 144 | Notice of proposed sale | May 22, 2023 | — |
| 144 | Notice of proposed sale | May 22, 2023 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 10, 2023 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 8, 2023 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 6, 2023 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 10, 2022 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 4, 2022 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 2, 2022 | — |
| SC 13G | Ownership over 5% (passive) | May 7, 2021 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 10, 2021 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 3, 2021 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 5, 2020 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Jan 8, 2020 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 14, 2019 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 12, 2019 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 14, 2018 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 13, 2018 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 8, 2018 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Oct 10, 2017 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 14, 2017 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 14, 2017 | — |
| SC 13G | Ownership over 5% (passive) | Feb 10, 2017 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 9, 2017 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 16, 2016 | — |
| SC 13G | Ownership over 5% (passive) | Feb 16, 2016 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 9, 2016 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 17, 2015 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 10, 2015 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 14, 2014 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Jan 31, 2014 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Aug 12, 2013 | — |
| SC 13G/A | Amended ownership over 5% (passive) | May 9, 2013 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 21, 2013 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 7, 2013 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Oct 10, 2012 | — |
| SC 13G | Ownership over 5% (passive) | Feb 14, 2012 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 14, 2012 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 6, 2012 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Nov 10, 2011 | — |
| SC 13G | Ownership over 5% (passive) | Oct 7, 2011 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 14, 2011 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 17, 2010 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 16, 2010 | — |
| SC 13G | Ownership over 5% (passive) | Feb 17, 2009 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 17, 2009 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 14, 2008 | — |
| 144 | Notice of proposed sale | Nov 1, 2007 | — |
| 144 | Notice of proposed sale | Nov 1, 2007 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 14, 2007 | — |
| SC 13G | Ownership over 5% (passive) | Feb 14, 2006 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 14, 2006 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Dec 9, 2005 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Dec 9, 2005 | — |
| SC 13G | Ownership over 5% (passive) | Oct 11, 2005 | — |
| SC 13G | Ownership over 5% (passive) | Oct 11, 2005 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 14, 2005 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 14, 2005 | — |
| 144 | Notice of proposed sale | Nov 12, 2004 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Sep 10, 2004 | — |
| SC 13G | Ownership over 5% (passive) | May 27, 2004 | — |
| SC 13G | Ownership over 5% (passive) | May 27, 2004 | — |
| 144 | Notice of proposed sale | Apr 21, 2004 | — |
Showing 200 filings, the most recent 200. 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
- Services-Commercial Physical & Biological Research (SIC 8731)
- Listed as
- ICLR (Nasdaq)
- Headquarters
- Dublin 18, Ireland
- SEC filer status
- Large accelerated filer
- SEC CIK
- 1060955
- Former names
- ICON PLC /ADR/ (until Feb 7, 2013)
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All 17 Services-Commercial Physical & Biological Research companies
Source: SEC EDGAR filings. This is company-reported data, not investment advice.