AMERICAN TOWER CORP /MA/ — 8-K Filings
557 8-K filings on record
This page lists all 8-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 557 8-K 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 |
|---|---|---|---|---|
| 8-K | 8-K | 0001053507-21-000151 | Oct 18, 2021 | — |
| 8-K | 8-K | 0001193125-21-292090 | Oct 5, 2021 | — |
| 8-K | 8-K | 0001053507-21-000147 | Sep 29, 2021 | — |
| 8-K | 8-K | 0001193125-21-284167 | Sep 27, 2021 | — |
| 8-K | 8-K | 0001053507-21-000144 | Sep 23, 2021 | — |
| 8-K | 8-K | 0001053507-21-000142 | Sep 16, 2021 | — |
| 8-K | 8-K | 0001053507-21-000140 | Sep 14, 2021 | — |
| 8-K | 8-K | 0001053507-21-000133 | Aug 16, 2021 | — |
| 8-K | 8-K | 0001053507-21-000127 | Jul 29, 2021 | — |
| 8-K | 8-K | 0001053507-21-000116 | Jun 16, 2021 | — |
| 8-K | 8-K | 0001053507-21-000111 | Jun 3, 2021 | — |
| 8-K | 8-K | 0001053507-21-000109 | Jun 1, 2021 | — |
| 8-K | 8-K | 0001053507-21-000107 | May 27, 2021 | May 26, 2021 |
| 8-K | 8-K | 0001193125-21-169283 | May 21, 2021 | — |
| 8-K | 8-K | 0001053507-21-000099 | May 18, 2021 | — |
| 8-K | 8-K | 0001193125-21-156256 | May 10, 2021 | May 5, 2021 |
| 8-K | 8-K | 0001053507-21-000093 | May 6, 2021 | May 5, 2021 |
| 8-K | 8-K | 0001053507-21-000091 | May 5, 2021 | — |
| 8-K | 8-K | 0001053507-21-000082 | Apr 29, 2021 | — |
| 8-K | 8-K | 0001193125-21-098287 | Mar 29, 2021 | — |
| 8-K | 8-K | 0001053507-21-000067 | Mar 24, 2021 | — |
| 8-K | 8-K | 0001053507-21-000056 | Mar 15, 2021 | — |
| 8-K | 8-K | 0001053507-21-000036 | Mar 11, 2021 | — |
| 8-K | 8-K | 0001053507-21-000034 | Mar 4, 2021 | — |
| 8-K | 8-K | 0001053507-21-000031 | Mar 3, 2021 | Feb 25, 2021 |
| 8-K | 8-K | 0001053507-21-000023 | Feb 25, 2021 | — |
| 8-K | 8-K | 0001053507-21-000013 | Feb 10, 2021 | Feb 5, 2021 |
| 8-K | 8-K | 0001053507-21-000007 | Jan 19, 2021 | Jan 15, 2021 |
| 8-K | 8-K | 0001193125-21-007688 | Jan 13, 2021 | — |
| 8-K | 8-K | 0001053507-20-000178 | Dec 23, 2020 | — |
| 8-K | 8-K | 0001053507-20-000173 | Dec 3, 2020 | — |
| 8-K | 8-K | 0001193125-20-299409 | Nov 20, 2020 | — |
| 8-K | 8-K | 0001053507-20-000169 | Nov 17, 2020 | — |
| 8-K | 8-K | 0001053507-20-000165 | Nov 6, 2020 | Nov 2, 2020 |
| 8-K | 8-K | 0001193125-20-286245 | Nov 5, 2020 | Nov 4, 2020 |
| 8-K | 8-K | 0001053507-20-000157 | Oct 29, 2020 | — |
| 8-K | 8-K | 0001193125-20-256461 | Sep 28, 2020 | — |
| 8-K | 8-K | 0001053507-20-000150 | Sep 24, 2020 | Sep 23, 2020 |
| 8-K | 8-K | 0001053507-20-000143 | Sep 15, 2020 | — |
| 8-K | 8-K | 0001193125-20-243154 | Sep 10, 2020 | — |
| 8-K | 8-K | 0001053507-20-000133 | Sep 2, 2020 | — |
| 8-K | 8-K | 0001193125-20-210721 | Aug 5, 2020 | — |
| 8-K | 8-K | 0001053507-20-000126 | Jul 30, 2020 | — |
| 8-K | 8-K | 0001053507-20-000123 | Jul 24, 2020 | — |
| 8-K | 8-K | 0001053507-20-000116 | Jul 6, 2020 | — |
| 8-K | 8-K | 0001053507-20-000108 | Jun 4, 2020 | — |
| 8-K | 8-K | 0001193125-20-159551 | Jun 3, 2020 | — |
| 8-K | 8-K | 0001053507-20-000105 | Jun 2, 2020 | Jun 1, 2020 |
| 8-K | 8-K | 0001053507-20-000102 | May 19, 2020 | May 18, 2020 |
| 8-K | 8-K | 0001053507-20-000098 | May 11, 2020 | — |