Rodney M. Smith - May 10, 2021 Form 4 Insider Report for AMERICAN TOWER CORP /MA/ (AMT)

Role
EVP, CFO & Treasurer
Signature
/s/ Mneesha O. Nahata, as attorney-in-fact
Stock symbol
AMT
Transactions as of
May 10, 2021
Transactions value $
-$3,579,191
Form type
4
Date filed
5/12/2021, 04:12 PM
Previous filing
Feb 14, 2022
Next filing
May 26, 2021

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction AMT Common Stock Options Exercise $1.07M +17.2K +32.88% $62.00 69.6K May 10, 2021 Direct
transaction AMT Common Stock Sale -$1.75M -7.04K -10.1% $248.21 62.6K May 10, 2021 Direct F1, F2
transaction AMT Common Stock Sale -$1.03M -4.12K -6.58% $249.01 58.5K May 10, 2021 Direct F1, F3
transaction AMT Common Stock Sale -$1.88M -7.5K -12.82% $250.00 51K May 10, 2021 Direct F1

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Underlying Class Amount Exercise Price Ownership Footnotes
transaction AMT Option to Purchase Common Stock Options Exercise $0 -17.2K -100% $0.00* 0 May 10, 2021 Common Stock 17.2K $62.00 Direct F4
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on March 12, 2021.
F2 Represents the weighted average price of shares sold in multiple same-day transactions at prices ranging from $247.74 to $248.68 per share.
F3 Represents the weighted average price of shares sold in multiple same-day transactions at prices ranging from $248.74 to $249.49 per share.
F4 This option was granted pursuant to the 2007 Equity Incentive Plan, as amended, and is exercisable in 25% cumulative annual increments beginning March 12, 2013.