AMERICAN TOWER CORP /MA/ — 424B2 Filings
48 424B2 filings on record
This page lists all 424B2 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 48 424B2 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 |
|---|---|---|---|---|
| 424B2 | 424B2 | 0001193125-25-306736 | Dec 3, 2025 | — |
| 424B2 | 424B2 | 0001193125-25-202219 | Sep 12, 2025 | — |
| 424B2 | 424B2 | 0001193125-25-125067 | May 22, 2025 | — |
| 424B2 | 424B2 | 0001193125-25-052935 | Mar 12, 2025 | — |
| 424B2 | 424B2 | 0001193125-24-261726 | Nov 19, 2024 | — |
| 424B2 | 424B2 | 0001193125-24-146020 | May 23, 2024 | — |
| 424B2 | 424B2 | 0001193125-24-059238 | Mar 5, 2024 | — |
| 424B2 | 424B2 | 0001193125-23-234423 | Sep 13, 2023 | — |
| 424B2 | 424B2 | 0001193125-23-151816 | May 23, 2023 | — |
| 424B2 | 424B2 | 0001193125-23-140741 | May 10, 2023 | — |
| 424B2 | 424B2 | 0001193125-23-056405 | Mar 1, 2023 | — |
| 424B2 | 424B2 | 0001193125-22-167337 | Jun 3, 2022 | — |
| 424B2 | 424B2 | 0001193125-22-089811 | Mar 30, 2022 | — |
| 424B2 | 424B2 | 0001193125-21-288003 | Sep 30, 2021 | — |
| 424B2 | 424B2 | 0001193125-21-282235 | Sep 24, 2021 | — |
| 424B2 | 424B2 | 0001193125-21-166617 | May 19, 2021 | — |
| 424B2 | 424B2 | 0001193125-21-153342 | May 6, 2021 | — |
| 424B2 | 424B2 | 0001193125-21-094461 | Mar 25, 2021 | — |
| 424B2 | 424B2 | 0001193125-20-296967 | Nov 18, 2020 | — |
| 424B2 | 424B2 | 0001193125-20-253390 | Sep 24, 2020 | — |
| 424B2 | 424B2 | 0001193125-20-239138 | Sep 3, 2020 | — |
| 424B2 | 424B2 | 0001193125-20-210685 | Aug 5, 2020 | — |
| 424B2 | 424B2 | 0001193125-20-158517 | Jun 2, 2020 | — |
| 424B2 | 424B2 | 0001193125-20-003928 | Jan 8, 2020 | — |
| 424B2 | 424B2 | 0001193125-19-259900 | Oct 1, 2019 | — |
| 424B2 | 424B2 | 0001193125-19-170238 | Jun 11, 2019 | — |
| 424B2 | 424B2 | 0001193125-19-073381 | Mar 13, 2019 | — |
| 424B2 | 424B2 | 0001193125-18-165268 | May 16, 2018 | — |
| 424B2 | 424B2 | 0001193125-17-362875 | Dec 6, 2017 | — |
| 424B2 | 424B2 | 0001193125-17-216566 | Jun 28, 2017 | — |
| 424B2 | 424B2 | 0001193125-17-106672 | Mar 31, 2017 | — |
| 424B2 | 424B2 | 0001193125-16-725800 | Sep 29, 2016 | — |
| 424B2 | 424B2 | 0001193125-16-587262 | May 11, 2016 | — |
| 424B2 | 424B2 | 0001193125-16-426545 | Jan 11, 2016 | — |
| 424B2 | 424B2 | 0001193125-15-172285 | May 5, 2015 | — |
| 424B2 | 424B2 | 0001193125-15-069741 | Feb 27, 2015 | — |
| 424B2 | 424B2 | 0001193125-15-069718 | Feb 27, 2015 | — |
| 424B2 | 424B2 | 0001193125-14-295956 | Aug 5, 2014 | — |
| 424B2 | 424B2 | 0001193125-14-190169 | May 8, 2014 | — |
| 424B2 | 424B2 | 0001193125-14-005521 | Jan 8, 2014 | — |
| 424B2 | 424B2 | 0001193125-13-336752 | Aug 15, 2013 | — |
| 424B2 | 424B2 | 0001193125-13-003933 | Jan 4, 2013 | — |
| 424B2 | 424B2 | 0001193125-12-105374 | Mar 9, 2012 | — |
| 424B2 | 424B2 | 0001193125-11-264191 | Oct 5, 2011 | — |
| 424B2 | PROSPECTUS SUPPLEMENT | 0001193125-10-274741 | Dec 6, 2010 | — |
| 424B2 | 424B2 | 0001193125-10-187668 | Aug 13, 2010 | — |
| 424B2 | FORM 424B2 | 0001193125-03-027068 | Jul 31, 2003 | — |
| 424B2 | FORM 424B2 | 0000927016-01-000191 | Jan 19, 2001 | — |