Dowling Ruth T. - 10 Mar 2025 Form 4 Insider Report for AMERICAN TOWER CORP /MA/ (AMT)

Signature
/s/ Marina A. Breed, as attorney-in-fact
Issuer symbol
AMT
Transactions as of
10 Mar 2025
Net transactions value
-$490,493
Form type
4
Filing time
12 Mar 2025, 17:05:07 UTC
Previous filing
03 Oct 2024
Next filing
03 Oct 2025

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction AMT Common Stock Award $0 +6,008 +34% $0.000000 23,598 10 Mar 2025 Direct F1, F2
transaction AMT Common Stock Tax liability $300,642 -1,411 -6% $213.07 22,187 10 Mar 2025 Direct F3
transaction AMT Common Stock Tax liability $189,851 -905 -4.1% $209.78 21,282 11 Mar 2025 Direct F3
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 These restricted stock units ("RSUs") were granted pursuant to the 2007 Equity Incentive Plan, as amended (the "Plan"), and vest 1/3rd annually over three years, commencing one year from the date of grant. Each RSU represents a contingent right to receive one share of Common Stock.
F2 Includes 37 shares acquired under the issuer's employee stock purchase plan in November 2024.
F3 Shares delivered to the issuer for the payment of withholding taxes in connection with the vesting of RSUs previously granted under the Plan.