American Tower · Insider Trading

Last 365 days · Open-market buys and sells by officers and directors · Same-day, same-person, same-direction trades combined · Amounts in USD millions← AMT

Buy

16 · $0.56M

Sell

7 · $1.7M

Net

−$1.1M

By Insider

Name	Title	Buy	Sell	Latest Trade
Meyer Robert Joseph	SVP & Advisor to the CFO	—	5,000 shares · $0.89M	2026-07-29
Dowling Ruth T	EVP, Chief Admin Ofr, GC & Sec	—	4,341 shares · $0.77M	2026-10-29
Kalathur Rajesh	—	2,829 shares · $0.50M	—	2026-08-21
Clarke Teresa Hillary	—	338.234 shares · $0.06M	—	2026-10-20

All Trades

Date	Name	Title	Side	Shares	Trades	Avg Price	Value
2026-10-29	Dowling Ruth T	EVP, Chief Admin Ofr, GC & Sec	Sell	952	1	185.81	$0.18M
2026-10-28	Dowling Ruth T	EVP, Chief Admin Ofr, GC & Sec	Sell	626	1	182.00	$0.11M
2026-10-20	Clarke Teresa Hillary	Director	Buy	42.926	1	183.20	$0.01M
2026-08-21	Kalathur Rajesh	Director	Buy	2,829	1	177.00	$0.50M
2026-07-29	Dowling Ruth T	EVP, Chief Admin Ofr, GC & Sec	Sell	1,106	1	174.96	$0.19M
2026-07-29	Meyer Robert Joseph	SVP & Advisor to the CFO	Sell	5,000	1	178.89	$0.89M
2026-07-28	Dowling Ruth T	EVP, Chief Admin Ofr, GC & Sec	Sell	685	1	169.54	$0.12M
2026-07-13	Clarke Teresa Hillary	Director	Buy	46.448	1	167.52	$0.01M
2026-04-29	Dowling Ruth T	EVP, Chief Admin Ofr, GC & Sec	Sell	416	1	177.54	$0.07M
2026-04-28	Clarke Teresa Hillary	Director	Buy	43.5	1	177.08	$0.01M
2026-04-28	Dowling Ruth T	EVP, Chief Admin Ofr, GC & Sec	Sell	556	1	178.48	$0.10M
2026-02-02	Clarke Teresa Hillary	Director	Buy	30.713	1	178.04	$0.01M
2025-10-20	Clarke Teresa Hillary	Director	Buy	28.657	1	189.12	$0.01M
2025-07-11	Clarke Teresa Hillary	Director	Buy	24.095	1	223.23	$0.01M
2025-04-28	Clarke Teresa Hillary	Director	Buy	25.488	1	209.33	$0.01M
2025-02-03	Clarke Teresa Hillary	Director	Buy	17.577	1	187.27	$0.00M
2024-10-25	Clarke Teresa Hillary	Director	Buy	14.371	1	227.42	$0.00M
2024-07-12	Clarke Teresa Hillary	Director	Buy	15.873	1	204.28	$0.00M
2024-04-26	Clarke Teresa Hillary	Director	Buy	18.588	1	172.82	$0.00M
2024-02-01	Clarke Teresa Hillary	Director	Buy	7.68	1	199.95	$0.00M
2023-10-27	Clarke Teresa Hillary	Director	Buy	8.452	1	171.52	$0.00M
2023-07-10	Clarke Teresa Hillary	Director	Buy	7.192	1	193.78	$0.00M
2023-04-28	Clarke Teresa Hillary	Director	Buy	6.674	1	205.93	$0.00M

Data comes from insiders' SEC ownership filings (Form 4). Only open-market purchases (P) and sales (S) are counted; option exercises, grants, tax withholding and other non-trading changes are excluded.