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ICON plc (ICLR)

Nasdaq: ICLR · Services-Commercial Physical & Biological Research · Dublin 18, IE · filing with the SEC since 2001
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Grade5.7
◀ Past 6.2● Present 6.0▶ Future 4.4
1 est.
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Filings

330 filings since 2017 beside 123 insider forms · Large accelerated filer · read from EDGAR on Nov 13, 2026
Due nextLarge accelerated filer
20-F Annual report, foreign filer for the fiscal year ending Dec 31, 2026Foreign filers have four months after the fiscal year ends. by Apr 30, 2027

A deadline is the latest date the SEC's rules allow for its filer category. It is not a forecast of the day the company files.

Filings a yearinsider forms included
2422822951655188
20192020202120222023202420252026

2026 counts to Nov 13, 2026.

A late-filing notice, Form NT 20-F, filed May 1, 2026.
Insider forms 123

Insider forms (3, 4, 5 and 144) are counted each year but not listed here; the people and their trades are on the Ownership tab.

FiledFormWhat it is, in plain wordsPeriodAsk
Nov 10, 2026 6-K Interim report, foreign filer
Nov 5, 2026 SCHEDULE 13G/A Large holder update, amended
Oct 27, 2026 6-K Interim report, foreign filer Sep 30, 2026
Oct 27, 2026 6-K Interim report, foreign filer
Oct 8, 2026 6-K Interim report, foreign filer
Sep 9, 2026 6-K Interim report, foreign filer
Aug 20, 2026 6-K Interim report, foreign filer
Aug 18, 2026 6-K Interim report, foreign filer Aug 14, 2026
Aug 13, 2026 SCHEDULE 13G/A Large holder update, amended
Aug 6, 2026 6-K Interim report, foreign filer
Aug 6, 2026 SCHEDULE 13G/A Large holder update, amended
Jul 31, 2026 6-K Interim report, foreign filer
Jul 30, 2026 6-K Interim report, foreign filer Jun 30, 2026
Jul 29, 2026 6-K Interim report, foreign filer
Jul 22, 2026 6-K Interim report, foreign filer
Jun 26, 2026 6-K Interim report, foreign filer
Jun 23, 2026 6-K Interim report, foreign filer Mar 31, 2026
Jun 23, 2026 6-K Interim report, foreign filer
Jun 17, 2026 6-K Interim report, foreign filer
May 27, 2026 6-K Interim report, foreign filer
May 27, 2026 6-K/A Interim report, foreign filer, amended Sep 30, 2025
May 27, 2026 20-F Annual report, foreign filer Dec 31, 2025
May 26, 2026 6-K Interim report, foreign filer
May 15, 2026 SCHEDULE 13G/A Large holder update, amended
May 15, 2026 SCHEDULE 13G/A Large holder update, amended
May 15, 2026 SCHEDULE 13G Large holder notice
May 6, 2026 SCHEDULE 13G Large holder notice
May 6, 2026 SCHEDULE 13G Large holder notice
May 1, 2026 NT 20-F Late annual report notice, foreign filer
Apr 29, 2026 6-K Interim report, foreign filer
Mar 6, 2026 SCHEDULE 13G/A Large holder update, amended
Feb 17, 2026 SCHEDULE 13G/A Large holder update, amended
Feb 12, 2026 6-K Interim report, foreign filer Feb 11, 2026
Jan 7, 2026 6-K Interim report, foreign filer
Nov 14, 2025 SCHEDULE 13G Large holder notice
Nov 12, 2025 6-K Interim report, foreign filer
Nov 12, 2025 SCHEDULE 13G Large holder notice
Oct 23, 2025 6-K Interim report, foreign filer Sep 30, 2025
Oct 22, 2025 6-K Interim report, foreign filer Sep 30, 2025
Sep 24, 2025 6-K Interim report, foreign filer
40 of 330 shown

Every row opens the filing on EDGAR. The plain words are the site's own for each form and each 8-K item; the complete history, insider forms included, is on EDGAR.

SI Assistanton ICLR · research, not advice