Year archive

AMERICAN TOWER CORP /MA/ — 2021 filings

All 135 regulatory filings released by AMERICAN TOWER CORP /MA/ (AMT) in 2021, sourced directly from the official regulator.

135 Filings

2021 Period

2021 filings (135)

Filing	Released	Lang
S-8 Registration Form	2021-12-28	English
8-K Regulatory Filings	2021-12-28	English
SC TO-T/A Filing Regulatory Filings	2021-12-28	English
FORM 3 Director's Dealing	2021-12-20	English
SC TO-T/A Filing Regulatory Filings	2021-12-17	English
8-K Regulatory Filings	2021-12-16	English
FORM 4 Director's Dealing	2021-12-13	English
SC TO-T/A Filing Regulatory Filings	2021-12-10	English
8-K Regulatory Filings	2021-12-08	English
SC TO-T/A Filing Regulatory Filings	2021-12-07	English
SC TO-T/A Filing Regulatory Filings	2021-12-06	English
SC TO-T/A Filing Regulatory Filings	2021-12-02	English
SC TO-T Filing Regulatory Filings	2021-11-29	English
SC TO-C Filing Regulatory Filings	2021-11-26	English
FORM 4 Director's Dealing	2021-11-18	English
SC TO-C Filing Regulatory Filings	2021-11-16	English
8-K Regulatory Filings	2021-11-15	English
SC TO-C Filing Regulatory Filings	2021-11-15	English
10-Q Interim / Quarterly Report 9M 2021	2021-10-28	English
8-K Regulatory Filings	2021-10-28	English
8-K Regulatory Filings	2021-10-25	English
8-K Regulatory Filings	2021-10-18	English
NYSE CERTIFICATION Regulatory Filings	2021-10-12	English
8-A12B Regulatory Filings	2021-10-05	English
8-K Regulatory Filings	2021-10-05	English
424B2 Prospectus	2021-09-30	English
8-K Regulatory Filings	2021-09-29	English
FWP Regulatory Filings	2021-09-29	English
424B5 Prospectus	2021-09-29	English
8-K Regulatory Filings	2021-09-27	English
424B2 Prospectus	2021-09-24	English
8-K Regulatory Filings	2021-09-23	English
FWP Regulatory Filings	2021-09-23	English
424B5 Prospectus	2021-09-23	English
8-K Regulatory Filings	2021-09-16	English
8-K Regulatory Filings	2021-09-14	English
FORM 4 Director's Dealing	2021-09-09	English
FORM 4 Director's Dealing	2021-09-08	English
FORM 4 Director's Dealing	2021-09-08	English
FORM 4 Director's Dealing	2021-08-26	English
FORM 4 Director's Dealing	2021-08-25	English
8-K Regulatory Filings	2021-08-16	English
FORM 4 Director's Dealing	2021-08-12	English
FORM 4 Director's Dealing	2021-08-03	English
10-Q Interim / Quarterly Report Q2 2021	2021-07-29	English
8-K Regulatory Filings	2021-07-29	English
FORM 4 Director's Dealing	2021-07-22	English
FORM 4 Director's Dealing	2021-07-14	English
FORM 4 Director's Dealing	2021-07-08	English
FORM 4 Director's Dealing	2021-07-06	English
8-K Regulatory Filings	2021-06-16	English
FORM 4 Director's Dealing	2021-06-03	English
FORM 4 Director's Dealing	2021-06-03	English
8-K Regulatory Filings	2021-06-03	English
8-K Regulatory Filings	2021-06-01	English
8-K Regulatory Filings	2021-05-27	English
NYSE CERTIFICATION Regulatory Filings	2021-05-27	English
FORM 4 Director's Dealing	2021-05-26	English
8-A12B Regulatory Filings	2021-05-21	English
8-K Regulatory Filings	2021-05-21	English
424B2 Prospectus	2021-05-19	English
FORM 4 Director's Dealing	2021-05-18	English
8-K Regulatory Filings	2021-05-18	English
FWP Regulatory Filings	2021-05-18	English
424B5 Prospectus	2021-05-18	English
FORM 4 Director's Dealing	2021-05-12	English
FORM 4 Director's Dealing	2021-05-12	English
8-K Regulatory Filings	2021-05-10	English
424B2 Prospectus	2021-05-06	English
8-K Regulatory Filings	2021-05-06	English
424B5 Prospectus	2021-05-05	English
8-K Regulatory Filings	2021-05-05	English
FORM 4 Director's Dealing	2021-05-04	English
FORM 4 Director's Dealing	2021-05-04	English
10-Q Interim / Quarterly Report Q1 2021	2021-04-29	English
8-K Regulatory Filings	2021-04-29	English
FORM 3 SUBMISSION Director's Dealing	2021-04-26	English
SC 13D Major Shareholding Notification	2021-04-16	English
DEFA14A Regulatory Filings	2021-04-14	English
DEF 14A Proxy Solicitation & Information Statement	2021-04-14	English
FORM 4 SUBMISSION Director's Dealing	2021-04-06	English
8-K Regulatory Filings	2021-03-29	English
424B2 Prospectus	2021-03-25	English
PRIMARY DOCUMENT Director's Dealing	2021-03-25	English
8-K Regulatory Filings	2021-03-24	English
FWP Regulatory Filings	2021-03-24	English
424B5 Prospectus	2021-03-24	English
PRIMARY DOCUMENT Director's Dealing	2021-03-18	English
PRIMARY DOCUMENT Director's Dealing	2021-03-15	English
PRIMARY DOCUMENT Director's Dealing	2021-03-15	English
PRIMARY DOCUMENT Director's Dealing	2021-03-15	English
PRIMARY DOCUMENT Director's Dealing	2021-03-15	English
PRIMARY DOCUMENT Director's Dealing	2021-03-15	English
PRIMARY DOCUMENT Director's Dealing	2021-03-15	English
PRIMARY DOCUMENT Director's Dealing	2021-03-15	English
8-K Regulatory Filings	2021-03-15	English
PRIMARY DOCUMENT Director's Dealing	2021-03-12	English
PRIMARY DOCUMENT Director's Dealing	2021-03-12	English
PRIMARY DOCUMENT Director's Dealing	2021-03-12	English
PRIMARY DOCUMENT Director's Dealing	2021-03-12	English
PRIMARY DOCUMENT Director's Dealing	2021-03-12	English
PRIMARY DOCUMENT Director's Dealing	2021-03-12	English
PRIMARY DOCUMENT Director's Dealing	2021-03-12	English
PRIMARY DOCUMENT Director's Dealing	2021-03-12	English
PRIMARY DOCUMENT Director's Dealing	2021-03-12	English
PRIMARY DOCUMENT Director's Dealing	2021-03-12	English
PRIMARY DOCUMENT Director's Dealing	2021-03-12	English
PRIMARY DOCUMENT Director's Dealing	2021-03-12	English
PRIMARY DOCUMENT Director's Dealing	2021-03-12	English
PRIMARY DOCUMENT Director's Dealing	2021-03-12	English
PRIMARY DOCUMENT Director's Dealing	2021-03-12	English
PRIMARY DOCUMENT Director's Dealing	2021-03-12	English
PRIMARY DOCUMENT Director's Dealing	2021-03-12	English
PRIMARY DOCUMENT Director's Dealing	2021-03-12	English
8-K Regulatory Filings	2021-03-11	English
8-K Regulatory Filings	2021-03-04	English
PRIMARY DOCUMENT Director's Dealing	2021-03-04	English
8-K Regulatory Filings	2021-03-03	English
PRIMARY DOCUMENT Director's Dealing	2021-03-01	English
PRIMARY DOCUMENT Director's Dealing	2021-03-01	English
PRIMARY DOCUMENT Director's Dealing	2021-03-01	English
10-K Annual Report FY 2020	2021-02-25	English
8-K Regulatory Filings	2021-02-25	English
PRIMARY DOCUMENT Director's Dealing	2021-02-12	English
PRIMARY DOCUMENT Director's Dealing	2021-02-12	English
8-K Regulatory Filings	2021-02-10	English
SCHEDULE 13G/A Major Shareholding Notification	2021-02-10	English
PRIMARY DOCUMENT Director's Dealing	2021-02-09	English
Major Shareholding Notification 2021 Major Shareholding Notification	2021-01-28	English
PRIMARY DOCUMENT Director's Dealing	2021-01-22	English
8-K Regulatory Filings	2021-01-19	English
8-K Regulatory Filings	2021-01-13	English
PRIMARY DOCUMENT Director's Dealing	2021-01-12	English
PRIMARY DOCUMENT Director's Dealing	2021-01-06	English
PRIMARY DOCUMENT Director's Dealing	2021-01-05	English

Filings by year

2026 18 filings
2025 99 filings
2024 106 filings
2023 104 filings
2022 91 filings
2021 135 filings
2020 129 filings
2019 120 filings
2018 90 filings
2017 97 filings
2016 96 filings
2015 81 filings
2014 90 filings
2013 88 filings
2012 88 filings
2011 82 filings
2010 72 filings