AMERICAN TOWER CORP /MA/

SEC insider activity covers quarterly filings through June 30, 2026. Later filings are not included. Reported roles do not establish current employment or current holdings. SEC filing documents, sections and filing-text search cover filings dated January 1, 2000 onward. Earlier filings are deferred until after launch.

AMT

organization

SIC: 6798

SEC Insider

$1.35B

3,196 transactions

Summary

AMERICAN TOWER CORP /MA/ (AMT) is an organization.

Recent Insider Transactions

As filed, including amendments; not net cash flow or current holdings. Joint reports count once. Totals cover known values only.

Buys: $2.5MSales: $853.9M40 insiders

Date	Insider	Type	Value
2026-03-11	Vondran Steven O(President and CEO)	F	$395K
2026-03-11	Smith Rodney M(EVP, CFO & Treasurer)	F	$237K
2026-03-11	Font Juan(SVP, Pres. & CEO, CoreSite)	F	$170K
2026-03-11	Dowling Ruth T(EVP, Chief Admin Ofr, GC & Sec)	F	$158K
2026-03-11	Noel Eugene M(EVP & Chief Operating Officer)	F	$131K
2026-03-11	Meyer Robert Joseph(SVP & Chief Accounting Officer)	F	$125K
2026-03-11	Rossi Richard C(EVP & President, U.S. Tower)	F	$125K
2026-04-28	Dowling Ruth T(EVP, Chief Admin Ofr, GC & Sec)	Sell	$99K
2026-04-29	Dowling Ruth T(EVP, Chief Admin Ofr, GC & Sec)	Sell	$74K
2026-06-01	Meyer Robert Joseph(SVP & Advisor to the CFO)	F	$29K
2026-05-28	REEVE PAMELA D A	G	$0
2026-03-10	Frank Kenneth R	A	$0
2026-03-10	Lieblein Grace	A	$0
2026-03-10	Tanner Bruce L	A	$0
2026-03-10	REILLY EUGENE F	A	$0
2026-03-10	Ray Neville R	A	$0
2026-03-10	REEVE PAMELA D A	A	$0
2026-03-10	Clarke Teresa Hillary	A	$0
2026-03-10	HORMATS ROBERT D	A	$0
2026-03-10	Kalathur Rajesh	A	$0

SEC filings: SEC EDGAR

Activity data: SEC EDGAR

AMERICAN TOWER CORP /MA/ — Contributions, Lobbying & Contracts | Poliscope