AMERICAN TOWER CORP /MA/

Q: Jun 30 2026

Q: Mar 31 2026

FY: Dec 31 2025

Q: Sep 30 2025

Q: Jun 30 2025

Q: Mar 31 2025

FY: Dec 31 2024

Q: Sep 30 2024

Q: Jun 30 2024

Q: Mar 31 2024

FY: Dec 31 2023

Q: Sep 30 2023

Q: Jun 30 2023

Q: Mar 31 2023

FY: Dec 31 2022

Q: Sep 30 2022

Q: Jun 30 2022

Q: Mar 31 2022

FY: Dec 31 2021

Q: Sep 30 2021

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers: Compensatory Arrangements of Certain Officers

Entry into a Material Definitive Agreement

Other Events

Results of Operations and Financial Condition

Other Events

Other Events

Entry into a Material Definitive Agreement

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers: Compensatory Arrangements of Certain Officers

Other Events

Entry into a Material Definitive Agreement

Results of Operations and Financial Condition

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers: Compensatory Arrangements of Certain Officers

Other Events

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers: Compensatory Arrangements of Certain Officers

Results of Operations and Financial Condition

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers: Compensatory Arrangements of Certain Officers

Other Events

Entry into a Material Definitive Agreement

Other Events

Other Events

Prospectus Supplement for Delayed or Continuous Offering

Free Writing Prospectus

Prospectus Supplement for Primary Offering

Certification of approval for listing and registration on a national securities exchange

Registration of Securities on Exchange

Registration statement under Securities Act of 1933 to be offered to employees pursuant to certain plans

Notification of removal from listing and/or registration on a national securities exchange

Prospectus Supplement for Delayed or Continuous Offering

Prospectus Supplement for Primary Offering

Free Writing Prospectus

Prospectus Supplement for Delayed or Continuous Offering

Free Writing Prospectus

Prospectus Supplement for Primary Offering

Prospectus Supplement for Delayed or Continuous Offering

Free Writing Prospectus

Prospectus Supplement for Primary Offering

Certification of approval for listing and registration on a national securities exchange

Automatic Shelf Registration

Registration of Securities on Exchange

Prospectus Supplement for Delayed or Continuous Offering

Additional Information for Proxy Statement/ Votes

Definitive Proxy Statement

Additional Information for Proxy Statement/ Votes

Definitive Proxy Statement

Additional Information for Proxy Statement/ Votes

Shareholder Letter

Additional Information for Proxy Statement/ Votes

Definitive Proxy Statement

Definitive Proxy Statement

Additional Information for Proxy Statement/ Votes

Additional Information for Proxy Statement/ Votes

Definitive Proxy Statement

Additional Information for Proxy Statement/ Votes

Definitive Proxy Statement

Additional Information for Proxy Statement/ Votes

Definitive Proxy Statement

Additional Information for Proxy Statement/ Votes

Definitive Proxy Statement

Definitive Proxy Statement

Additional Information for Proxy Statement/ Votes

Blanchett Paul

Ludgate Kristen M

Kalathur Rajesh

Meyer Robert Joseph

Dowling Ruth T

Meyer Robert Joseph

Dowling Ruth T

Meyer Robert Joseph

REEVE PAMELA D A

HORMATS ROBERT D

Blanchett Paul

Dowling Ruth T

VANGUARD CAPITAL MANAGEMENT LLC

VANGUARD PORTFOLIO MANAGEMENT LLC

VANGUARD GROUP INC

REILLY EUGENE F

Noel Eugene M

Vondran Steven O

Kalathur Rajesh

Clarke Teresa Hillary

Annual Report Scanned (Paper)

Annual Report Scanned (Paper)

Annual Report Scanned (Paper)

No description available

Annual Report Scanned (Paper)

Letter from the SEC

Correspondence with the SEC

Correspondence with the SEC

Letter from the SEC

Letter from the SEC

Correspondence with the SEC

Letter from the SEC

No description available

Correspondence with the SEC

Letter from the SEC

Letter from the SEC

Annual Report Scanned (Paper)

No description available

No description available

No description available