AMERICAN TOWER CORP /MA/ — SC 13G/A Filings
62 SC 13G/A filings on record
This page lists all SC 13G/A 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 62 SC 13G/A documents with the SEC since 2017. To view all SEC filings by AMERICAN TOWER CORP /MA/, see the full filings list.
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 |
|---|---|---|---|---|
| SC 13G/A | SCHEDULE 13G/A | 0001104659-24-020262 | Feb 13, 2024 | — |
| SC 13G/A | — | 0001086364-24-004247 | Jan 26, 2024 | — |
| SC 13G/A | SCHEDULE 13G/A | 0001104659-23-015284 | Feb 9, 2023 | — |
| SC 13G/A | — | 0001306550-23-005177 | Jan 31, 2023 | — |
| SC 13G/A | SCHEDULE 13G/A | 0001104659-22-016460 | Feb 9, 2022 | — |
| SC 13G/A | — | 0000834237-22-004670 | Feb 1, 2022 | — |
| SC 13G/A | SCHEDULE 13G/A | 0001104659-21-017420 | Feb 10, 2021 | — |
| SC 13G/A | — | 0000834237-21-002848 | Jan 29, 2021 | — |
| SC 13G/A | SCHEDULE 13G/A | 0001104659-20-016648 | Feb 11, 2020 | — |
| SC 13G/A | — | 0000834237-20-004721 | Feb 5, 2020 | — |
| SC 13G/A | SEC SCHEDULE 13G | 0000902219-20-000267 | Jan 28, 2020 | — |
| SC 13G/A | — | 0000215457-19-007640 | Mar 18, 2019 | — |
| SC 13G/A | SEC SCHEDULE 13G | 0000902219-19-000125 | Feb 12, 2019 | — |
| SC 13G/A | — | 0000932471-19-004249 | Feb 11, 2019 | — |
| SC 13G/A | — | 0000932471-18-006154 | Jun 11, 2018 | — |
| SC 13G/A | — | 0000080255-18-002378 | Feb 14, 2018 | — |
| SC 13G/A | — | 0000932471-18-004571 | Feb 12, 2018 | — |
| SC 13G/A | — | 0000215457-18-005212 | Feb 8, 2018 | — |
| SC 13G/A | — | 0000932471-17-000698 | Feb 9, 2017 | — |
| SC 13G/A | — | 0000080255-17-000851 | Feb 6, 2017 | — |
| SC 13G/A | — | 0000215457-17-001252 | Jan 19, 2017 | — |
| SC 13G/A | AMT AS OF 12/31/2015 | 0000080255-16-001062 | Feb 11, 2016 | — |
| SC 13G/A | — | 0000932471-16-011394 | Feb 10, 2016 | — |
| SC 13G/A | — | 0000215457-16-005449 | Feb 10, 2016 | — |
| SC 13G/A | AMT AS OF 12/31/2014 | 0000080255-15-000194 | Feb 11, 2015 | — |
| SC 13G/A | — | 0000215457-15-000103 | Feb 9, 2015 | — |
| SC 13G/A | — | 0000315066-14-001850 | Feb 14, 2014 | — |
| SC 13G/A | AMT AS OF 12/31/2013 | 0000080255-14-000031 | Feb 7, 2014 | — |
| SC 13G/A | AMT AS OF 12/31/12 | 0000080255-13-000412 | Feb 12, 2013 | — |
| SC 13G/A | AMT AS OF 12/31/2011 | 0000080255-12-000391 | Feb 13, 2012 | — |
| SC 13G/A | — | 0001086364-11-004487 | Apr 8, 2011 | — |
| SC 13G/A | AMT AS OF 12/31/10 | 0000080255-11-000318 | Feb 10, 2011 | — |
| SC 13G/A | AMT AS OF 12/31/2009 | 0000080255-10-000280 | Feb 12, 2010 | — |
| SC 13G/A | DOC ONE | 0000315066-09-001445 | Feb 17, 2009 | — |
| SC 13G/A | AMT AS OF 12/31/08 | 0000080255-09-000098 | Feb 11, 2009 | — |
| SC 13G/A | DOC ONE | 0000315066-08-001444 | Feb 14, 2008 | — |
| SC 13G/A | AMT AS OF 12-31-07 | 0000080255-08-000255 | Feb 13, 2008 | — |
| SC 13G/A | DOC ONE | 0000315066-07-001448 | Feb 14, 2007 | — |
| SC 13G/A | AMT AS OF 1-31-2007 | 0000080255-07-000011 | Feb 9, 2007 | — |
| SC 13G/A | DOC ONE | 0000315066-06-002170 | Feb 14, 2006 | — |
| SC 13G/A | SEC FILING | 0000902219-06-000696 | Feb 14, 2006 | — |
| SC 13G/A | EARNEST PARTNERS LLC / AMERICAN TOWER CORPORATION | 0000950144-05-007302 | Jul 11, 2005 | — |
| SC 13G/A | DOC ONE | 0000902219-05-000666 | Feb 14, 2005 | — |
| SC 13G/A | DOC ONE | 0000315066-05-000375 | Feb 14, 2005 | — |
| SC 13G/A | DOC ONE | 0000315066-04-000313 | Feb 17, 2004 | — |
| SC 13G/A | DOC ONE | 0000902219-04-000580 | Feb 12, 2004 | — |
| SC 13G/A | — | 0000902219-03-001104 | Apr 10, 2003 | — |
| SC 13G/A | DOC ONE | 0000315066-03-001313 | Feb 13, 2003 | — |
| SC 13G/A | — | 0000898432-03-000147 | Feb 11, 2003 | — |
| SC 13G/A | AMERICAN TOWER CORPORATION | 0000912938-02-000677 | Sep 13, 2002 | — |