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 | AMERICAN TOWER CORP. | 0000912938-02-000131 | Feb 11, 2002 | — |
| SC 13G/A | EXITS | 0000052388-02-000029 | Feb 8, 2002 | — |
| SC 13G/A | DOC ONE | 0000315066-02-000114 | Jan 10, 2002 | — |
| SC 13G/A | — | 0000812295-01-500061 | Dec 11, 2001 | — |
| SC 13G/A | — | 0000766524-01-500018 | Feb 15, 2001 | — |
| SC 13G/A | SCHEDULE 13G - 02-14-01 - AMERICAN TOWER CORPORATION | 0000315066-01-000133 | Feb 13, 2001 | — |
| SC 13G/A | AMERICAN TOWER CORPORATION | 0000912938-01-000037 | Feb 9, 2001 | — |
| SC 13G/A | — | 0000902219-00-000624 | Nov 30, 2000 | — |
| SC 13G/A | SCHEDULE 13G - 05-10-00 - AMERICAN TOWER CORPORATION | 0000315066-00-000847 | May 10, 2000 | — |
| SC 13G/A | 5% MONTHLY HOLDINGS REPORT | 0000766524-00-000029 | Feb 17, 2000 | — |
| SC 13G/A | — | 0000902219-00-000385 | Feb 11, 2000 | — |
| SC 13G/A | 13G FILING | 0000902219-99-000651 | Aug 10, 1999 | — |