AMERICAN TOWER CORP /MA/ — 424B3 Filings
91 424B3 filings on record
This page lists all 424B3 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 91 424B3 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 |
|---|---|---|---|---|
| 424B3 | PROSPECTUS | 0001193125-09-260843 | Dec 29, 2009 | — |
| 424B3 | PROSPECTUS SUPPLEMENT NO. 2 | 0001193125-05-205044 | Oct 20, 2005 | — |
| 424B3 | PROSPECTUS SUPPLEMENT NO. 1 | 0001193125-05-190026 | Sep 22, 2005 | — |
| 424B3 | PROSPECTUS SUPPLEMENT NO. 1 | 0001193125-05-190023 | Sep 22, 2005 | — |
| 424B3 | FORM 424(B)(3) | 0001193125-05-151420 | Jul 28, 2005 | — |
| 424B3 | FORM 424B3 | 0001193125-05-140660 | Jul 12, 2005 | — |
| 424B3 | FORM 424B3 | 0001193125-05-140037 | Jul 11, 2005 | — |
| 424B3 | PROSPECTUS SUPPLEMENT NO. 1 | 0001193125-05-088741 | Apr 28, 2005 | — |
| 424B3 | FORM 424 (B)(3) | 0001193125-05-078266 | Apr 18, 2005 | — |
| 424B3 | PROSPECTUS | 0001193125-05-005455 | Jan 13, 2005 | — |
| 424B3 | FORM 424 (B)(3) | 0001193125-04-211497 | Dec 13, 2004 | — |
| 424B3 | FINAL PROSPECTUS | 0001193125-04-173146 | Oct 18, 2004 | — |
| 424B3 | FORM 424(B)(3) | 0001193125-04-127501 | Jul 30, 2004 | — |
| 424B3 | 424(B)(3) | 0001193125-04-109584 | Jun 28, 2004 | — |
| 424B3 | PROSPECTUS SUPPLEMENT NO. 6 | 0001193125-04-109580 | Jun 28, 2004 | — |
| 424B3 | FINAL PROSPECTUS | 0001193125-04-069114 | Apr 26, 2004 | — |
| 424B3 | PROSPECTUS SUPPLEMENT NO. 5 | 0001193125-04-069071 | Apr 26, 2004 | — |
| 424B3 | PROSPECTUS SUPPLEMENT NO. 4 | 0001193125-04-069070 | Apr 26, 2004 | — |
| 424B3 | FORM 424(B)(3) | 0001193125-04-064024 | Apr 16, 2004 | — |
| 424B3 | FINAL PROSPECTUS | 0001193125-04-063248 | Apr 15, 2004 | — |
| 424B3 | FORM 424 (B) (3) | 0001193125-04-043346 | Mar 16, 2004 | — |
| 424B3 | PROSPECTUS SUPPLEMENT NO. 3 | 0001193125-04-043324 | Mar 16, 2004 | — |
| 424B3 | FORM 424 (B) (3) | 0001193125-04-026648 | Feb 19, 2004 | — |
| 424B3 | PROSPECTUS SUPPLEMENT | 0001193125-04-006829 | Jan 21, 2004 | — |
| 424B3 | FORM 424(B)(3) | 0001193125-04-006823 | Jan 21, 2004 | — |
| 424B3 | FORM 424(B)(3) | 0001193125-03-098958 | Dec 23, 2003 | — |
| 424B3 | FORM 424 (B)(3) | 0001193125-03-090822 | Dec 8, 2003 | — |
| 424B3 | PROSPECTUS SUPPLEMENT NO. 1 (TO PROSPECTUS DATED JUNE 2,2003) | 0001193125-03-063641 | Oct 20, 2003 | — |
| 424B3 | 424(B)(3) | 0001193125-03-007862 | Jun 3, 2003 | — |
| 424B3 | 424 B 3 | 0000927016-03-002054 | Apr 25, 2003 | — |
| 424B3 | FORM 424(B)(3) | 0000927016-01-504364 | Dec 18, 2001 | — |
| 424B3 | FORM 424B3 | 0000927016-01-502925 | Sep 25, 2001 | — |
| 424B3 | PROSPECTUS SUPPLEMENT | 0000927016-01-500010 | Mar 16, 2001 | — |
| 424B3 | FORM 424B3 | 0000927016-01-000972 | Feb 14, 2001 | — |
| 424B3 | — | 0000908737-01-000026 | Feb 2, 2001 | — |
| 424B3 | — | 0000908737-01-000011 | Jan 12, 2001 | — |
| 424B3 | — | 0000908737-01-000010 | Jan 12, 2001 | — |
| 424B3 | — | 0000908737-01-000009 | Jan 12, 2001 | — |
| 424B3 | — | 0000908737-01-000004 | Jan 4, 2001 | — |
| 424B3 | — | 0000908737-01-000002 | Jan 3, 2001 | — |
| 424B3 | — | 0000908737-00-000490 | Dec 15, 2000 | — |
| 424B3 | — | 0000908737-00-000466 | Nov 22, 2000 | — |
| 424B3 | — | 0000908737-00-000464 | Nov 17, 2000 | — |
| 424B3 | — | 0000908737-00-000462 | Nov 17, 2000 | — |
| 424B3 | — | 0000908737-00-000418 | Nov 3, 2000 | — |
| 424B3 | — | 0000908737-00-000399 | Oct 20, 2000 | — |
| 424B3 | — | 0000908737-00-000396 | Oct 19, 2000 | — |
| 424B3 | — | 0000908737-00-000366 | Sep 22, 2000 | — |
| 424B3 | — | 0000908737-00-000365 | Sep 22, 2000 | — |
| 424B3 | — | 0000908737-00-000342 | Aug 30, 2000 | — |