AMERICAN TOWER CORP /MA/ — SC 13D/A Filings
4 SC 13D/A filings on record
This page lists all SC 13D/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 4 SC 13D/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 13D/A | AMENDMENT NO. 4 | 0000891836-03-000149 | Mar 3, 2003 | — |
| SC 13D/A | AMENDMENT 3 TO SCHEDULE 13D | 0000891836-03-000113 | Feb 19, 2003 | — |
| SC 13D/A | AMENDMENT NO. 2 | 0000891836-02-000478 | Sep 26, 2002 | — |
| SC 13D/A | SCHEDULE 13 AMENDMENT NO. 1 | 0000950131-02-002726 | Jul 17, 2002 | — |