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GARTNER INC — 10-K Filings

30 10-K filings on record

This page lists all 10-K filings submitted to the SEC by GARTNER INC (IT), sorted by most recent first. Each row links to the full filing on EdgarLookup. GARTNER INC has filed 30 10-K documents with the SEC since 2021. To view all SEC filings by GARTNER INC, see the full filings list.

Overview All Filings Financials Insiders
All 10-K 10-K/A 10-KT 10-Q 10-Q/A 11-K 144 144/A 15-15D 25 3 3/A 4 4/A 424B1 424B3 424B5 425 5 8-A12B 8-A12B/A 8-A12G 8-K 8-K/A ARS CORRESP DEF 14A DEFA14A DEFR14A DEFS14A DFAN14A EFFECT FWP PRE 14A PRES14A S-3 S-3/A S-3ASR S-4 S-4/A S-8 S-8 POS SC 13D SC 13D/A SC 13E4 SC 13E4/A SC 13G SC 13G/A SC TO-C SC TO-I SC TO-I/A SCHEDULE 13G SCHEDULE 13G/A UPLOAD
Form Description Accession Number Filed Period
10-K 10-K 0000749251-26-000112 Feb 12, 2026 Dec 31, 2025
10-K 10-K 0000749251-25-000008 Feb 13, 2025 Dec 31, 2024
10-K 10-K 0000749251-24-000006 Feb 15, 2024 Dec 31, 2023
10-K 10-K 0000749251-23-000006 Feb 16, 2023 Dec 31, 2022
10-K 10-K 0000749251-22-000006 Feb 23, 2022 Dec 31, 2021
10-K 10-K 0000749251-21-000010 Feb 24, 2021 Dec 31, 2020
10-K 10-K 0000749251-20-000008 Feb 19, 2020 Dec 31, 2019
10-K 10-K 0000749251-19-000005 Feb 22, 2019 Dec 31, 2018
10-K 10-K 0000749251-18-000004 Feb 22, 2018 Dec 31, 2017
10-K 10-K 0000749251-17-000005 Feb 22, 2017 Dec 31, 2016
10-K 10-K 0000749251-16-000034 Feb 24, 2016 Dec 31, 2015
10-K 10-K 0000749251-15-000009 Feb 27, 2015 Dec 31, 2014
10-K 10-K 0000749251-14-000007 Feb 26, 2014 Dec 31, 2013
10-K — 0000930413-13-001003 Feb 22, 2013 Dec 31, 2012
10-K — 0000930413-12-001031 Feb 23, 2012 Dec 31, 2011
10-K FORM 10-K 0000950123-11-014318 Feb 15, 2011 Dec 31, 2010
10-K FORM 10-K 0000950123-10-014517 Feb 19, 2010 Dec 31, 2009
10-K FORM 10-K 0000950123-09-003157 Feb 20, 2009 Dec 31, 2008
10-K FORM 10-K 0000950123-08-002262 Feb 28, 2008 Dec 31, 2007
10-K FORM 10-K 0000950123-07-003019 Mar 1, 2007 Dec 31, 2006
10-K FORM 10-K 0000950123-06-003019 Mar 13, 2006 Dec 31, 2005
10-K FORM 10-K 0000950123-05-003248 Mar 16, 2005 Dec 31, 2004
10-K — 0001145443-04-000310 Mar 12, 2004 Dec 31, 2003
10-K GARTNER, INC. 0000950123-02-012279 Dec 27, 2002 Sep 30, 2002
10-K GARTNER INC. 0000950123-01-509621 Dec 28, 2001 Sep 30, 2001
10-K GARTNER GROUP, INC. 0000950123-00-011900 Dec 29, 2000 Sep 30, 2000
10-K FORM 10-K 0000950146-99-001839 Dec 22, 1999 Sep 30, 1999
10-K FORM 10-K 0000950146-98-002141 Dec 24, 1998 Sep 30, 1998
10-K FORM 10-K 0000950123-97-010331 Dec 12, 1997 Sep 30, 1997
10-K GARTNER GROUP, INC. 0000950123-96-007400 Dec 17, 1996 Sep 30, 1996