(AMT)

Role: Former Director
Signature: /s/ Marina A. Breed, as attorney-in-fact
Issuer symbol: AMT
Transactions as of: 24 May 2023
Net transactions value: $0
Form type: 4
Filing time: 24 May 2023, 16:40:53 UTC
Previous filing: 14 Mar 2023
Next filing: 02 Dec 2025
SEC: View on sec.gov

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
holding	AMT	Common Stock						2,858	24 May 2023	Direct

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

DAVID E. SHARBUTT is no longer subject to Section 16 filing requirements. Form 4 or Form 5 obligations may continue.

Remarks:

David E. Sharbutt did not stand for re-election at the issuer's 2023 Annual Meeting of Stockholders. Accordingly, effective May 24, 2023, Mr. Sharbutt is no longer a director of the issuer.