EdgarLookup

AMERICAN TOWER CORP /MA/ — 10-K Filings

29 10-K filings on record

This page lists all 10-K filings submitted to the SEC by AMERICAN TOWER CORP /MA/ (AMT), sorted by most recent first. Each row links to the full filing on EdgarLookup. AMERICAN TOWER CORP /MA/ has filed 29 10-K documents with the SEC since 2017. To view all SEC filings by AMERICAN TOWER CORP /MA/, see the full filings list.

Overview All Filings Financials Insiders
All 10-K 10-K/A 10-Q 10-Q/A 11-K 144 15-12B 25-NSE 3 3/A 305B2 305B2/A 4 4/A 424A 424B2 424B3 424B4 424B5 424B8 425 5 8-A12B 8-K 8-K/A ARS CERT CERTNYS CORRESP CT ORDER DEF 14A DEFA14A DEFM14A DEFR14A EFFECT FWP NO ACT NT 10-K NT 10-Q POS AM POSASR PRE 14A PRER14A PX14A6G RW S-1 S-1/A S-1MEF S-3 S-3/A S-3ASR S-3MEF S-4 S-4/A S-8 S-8 POS SC 13D SC 13D/A SC 13G SC 13G/A SC TO-C SC TO-I SC TO-I/A SC TO-T SC TO-T/A SCHEDULE 13D/A SCHEDULE 13G/A UPLOAD
Form Description Accession Number Filed Period
10-K 10-K 0001053507-26-000035 Feb 24, 2026 Dec 31, 2025
10-K 10-K 0001053507-25-000025 Feb 25, 2025 Dec 31, 2024
10-K 10-K 0001053507-24-000011 Feb 27, 2024 Dec 31, 2023
10-K 10-K 0001053507-23-000023 Feb 23, 2023 Dec 31, 2022
10-K 10-K 0001053507-22-000017 Feb 25, 2022 Dec 31, 2021
10-K 10-K 0001053507-21-000026 Feb 25, 2021 Dec 31, 2020
10-K 10-K 0001053507-20-000028 Feb 25, 2020 Dec 31, 2019
10-K 10-K 0001053507-19-000012 Feb 27, 2019 Dec 31, 2018
10-K 10-K 0001053507-18-000006 Feb 28, 2018 Dec 31, 2017
10-K 10-K 0001053507-17-000009 Feb 27, 2017 Dec 31, 2016
10-K 10-K 0001053507-16-000018 Feb 26, 2016 Dec 31, 2015
10-K 10-K 0001193125-15-059026 Feb 24, 2015 Dec 31, 2014
10-K 10-K 0001193125-14-068001 Feb 26, 2014 Dec 31, 2013
10-K FORM 10-K 0001193125-13-077821 Feb 27, 2013 Dec 31, 2012
10-K FORM 10-K 0001193125-12-086162 Feb 29, 2012 Dec 31, 2011
10-K FORM 10-K 0001193125-11-050129 Feb 28, 2011 Dec 31, 2010
10-K FORM 10-K 0001193125-10-044876 Mar 1, 2010 Dec 31, 2009
10-K FORM 10-K 0001193125-09-039177 Feb 26, 2009 Dec 31, 2008
10-K FORM 10-K 0001193125-08-057075 Mar 14, 2008 Dec 31, 2007
10-K FORM 10-K 0001193125-07-042779 Feb 28, 2007 Dec 31, 2006
10-K FORM 10-K 0001193125-06-054224 Mar 15, 2006 Dec 31, 2005
10-K FORM 10-K 0001193125-05-064722 Mar 30, 2005 Dec 31, 2004
10-K FORM 10-K 0001193125-04-040332 Mar 12, 2004 Dec 31, 2003
10-K FORM 10-K 0000927016-03-001267 Mar 24, 2003 Dec 31, 2002
10-K FORM 10-K DATED 12/31/01 0000927016-02-001828 Apr 1, 2002 Dec 31, 2001
10-K FORM 10-K DATED 12/30/01 0000927016-01-001627 Apr 2, 2001 Dec 31, 2000
10-K FORM 10-K 0000927016-00-001049 Mar 29, 2000 Dec 31, 1999
10-K FORM 10-K 0000927016-99-001025 Mar 19, 1999 Dec 31, 1998
10-K FORM 10-K 0000927016-98-001444 Apr 9, 1998 Dec 31, 1997