AMERICAN TOWER CORP /MA/ — Director's Dealing 2021

Mar 1, 2021

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: AMERICAN TOWER CORP /MA/ (AMT)
CIK: 0001053507
Period of Report: 2021-02-25

Reporting Person: DiSanto Edmund (EVP, Chief Admin Ofr, GC & Sec)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2021-02-25	Common Stock	A	22278	—	Acquired	189025	Direct

Footnotes

F1: Reflects the number of performance-based restricted stock units ("PSUs") earned, as a result of the Compensation Committee's certification to the achievement of performance, under the terms of a PSU award granted on March 12, 2018. These shares will vest at the end of the three-year performance period of such PSU award, and each PSU represents a contingent right to receive one share of Common Stock.

F2: Includes 18 shares and 16 shares acquired under the issuer's employee stock purchase plan in May 2020 and November 2020, respectively.