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 | — | 0000908737-00-000341 | Aug 30, 2000 | — |
| 424B3 | — | 0000908737-00-000337 | Aug 21, 2000 | — |
| 424B3 | — | 0000908737-00-000308 | Aug 10, 2000 | — |
| 424B3 | — | 0000908737-00-000307 | Aug 10, 2000 | — |
| 424B3 | — | 0000908737-00-000267 | Jul 24, 2000 | — |
| 424B3 | — | 0000908737-00-000260 | Jul 14, 2000 | — |
| 424B3 | — | 0000908737-00-000259 | Jul 14, 2000 | — |
| 424B3 | — | 0000908737-00-000218 | Jun 15, 2000 | — |
| 424B3 | — | 0000908737-00-000217 | Jun 15, 2000 | — |
| 424B3 | — | 0000908737-00-000214 | Jun 13, 2000 | — |
| 424B3 | — | 0000908737-00-000198 | Jun 5, 2000 | — |
| 424B3 | — | 0000908737-00-000179 | May 22, 2000 | — |
| 424B3 | FORM 424B3 | 0000927016-00-001964 | May 19, 2000 | — |
| 424B3 | — | 0000908737-00-000087 | Mar 20, 2000 | — |
| 424B3 | — | 0000908737-00-000071 | Feb 29, 2000 | — |
| 424B3 | — | 0000908737-00-000014 | Jan 28, 2000 | — |
| 424B3 | — | 0000908737-00-000012 | Jan 21, 2000 | — |
| 424B3 | — | 0000908737-99-000417 | Dec 30, 1999 | — |
| 424B3 | — | 0000908737-99-000395 | Dec 16, 1999 | — |
| 424B3 | — | 0000908737-99-000390 | Dec 10, 1999 | — |
| 424B3 | — | 0000908737-99-000388 | Dec 2, 1999 | — |
| 424B3 | — | 0000908737-99-000383 | Nov 16, 1999 | — |
| 424B3 | — | 0000908737-99-000382 | Nov 16, 1999 | — |
| 424B3 | FORM 424B3 | 0000927016-99-003033 | Aug 16, 1999 | — |
| 424B3 | — | 0000908737-99-000228 | Jul 16, 1999 | — |
| 424B3 | FORM 424B3 | 0000927016-99-002089 | May 17, 1999 | — |
| 424B3 | 424B3 | 0000927016-99-001047 | Mar 22, 1999 | — |
| 424B3 | — | 0000908737-99-000083 | Mar 5, 1999 | — |
| 424B3 | — | 0000908737-99-000078 | Mar 5, 1999 | — |
| 424B3 | FORM 424(B) (3) | 0000950109-99-000190 | Jan 22, 1999 | — |
| 424B3 | FORM 424(B)(3) | 0000927016-99-000145 | Jan 22, 1999 | — |
| 424B3 | PROSPECTUS SUPPLEMENT | 0000927016-99-000141 | Jan 21, 1999 | — |
| 424B3 | PROSPECTUS SUPPLEMENT | 0000927016-99-000140 | Jan 21, 1999 | — |
| 424B3 | PROSPECTUS SUPPLEMENT | 0000927016-99-000139 | Jan 21, 1999 | — |
| 424B3 | — | 0000908737-99-000014 | Jan 8, 1999 | — |
| 424B3 | 424(B) (3) | 0000927016-98-004107 | Nov 18, 1998 | — |
| 424B3 | FORM 424B3 | 0000927016-98-003149 | Aug 17, 1998 | — |
| 424B3 | — | 0000908737-98-000658 | Jul 15, 1998 | — |
| 424B3 | 424B3 | 0000927016-98-002294 | Jun 5, 1998 | — |
| 424B3 | FORM 424(B)(3) | 0000927016-98-000693 | Feb 18, 1998 | — |
| 424B3 | FORM 424(B)(3) | 0000927016-98-000690 | Feb 18, 1998 | — |