Dudediligence.

American Tower Corporation

AMTNYSE · Real Estate Investment Trusts
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Last 12 months

Sales planned on beside the trades reported on , and whether each names a .

Planned ·

$26.5M

8 notices · 140,252 sh

Oct 2025 to Oct 2026

Reported ·

$22.0M

16 sales · 2 buys · $1,489,047 bought

Oct 2025 to Jun 2026

The two figures cover different periods.

15 of 16 reported sales carry the 10b5-1 box. Together they are 0.02% of the shares on issue.

PLANNED · FORM 144Oct 2025 to Oct 2026REPORTED · FORM 4Oct 2025 to Jun 2026N2025DJ2026FMAMJJASO2026-07-29: ROBERT MEYER, Form 1442026-07-28: RUTH T DOWLING, Form 1442026-03-04: STEVEN O VONDRAN, Form 1442026-03-02: EUGENE NOEL, Form 1442026-02-27: RUTH T DOWLING, Form 1442026-02-27: ROBERT MEYER, Form 1442026-02-25: Olivier Puech Trust, Form 1442026-02-17: RODNEY SMITH, Form 1442025-10-31: REILLY EUGENE F, bought2026-02-17: Smith Rodney M, sold2026-02-27: Meyer Robert Joseph, sold2026-02-27: Dowling Ruth T, sold2026-03-02: Noel Eugene M, sold2026-03-04: Dowling Ruth T, sold2026-03-04: Vondran Steven O, sold2026-03-10: Kalathur Rajesh, bought2026-04-28: Dowling Ruth T, sold
under a no plan named▼ sale▲ buysize is dollars

Form 144 notices, newest first

2026-07-29ROBERT MEYER, SVP & Advisor to the CFO$894,426
5,000 shno plan dateForm 4s on file end Jun 23144 ↗
2026-07-28RUTH T DOWLING, EVP, Chief Admin Ofr, GC & Sec$298,631
1,791 shplan 2025-10-29Form 4s on file end Jun 23144 ↗
2026-03-04STEVEN O VONDRAN, President and CEO$6,309,887
33,482 shplan 2025-05-06144 ↗
Form 4, 2026-03-06: sold 33,482 at $188.46 Form 4 ↗
2026-03-02EUGENE NOEL, EVP & Chief Operating Officer$7,873,017
41,209 shplan 2025-02-26144 ↗
Form 4, 2026-03-04: sold 41,209 at $191.05 Form 4 ↗
2026-02-27RUTH T DOWLING, EVP, Chief Admin Ofr, GC & Sec$427,373
2,310 shplan 2025-10-29144 ↗
Form 4, 2026-03-03: sold 656 at $186.16 Form 4 ↗
2026-02-27ROBERT MEYER, SVP & Advisor to the CFO$831,709
4,454 shno plan date144 ↗
Form 4, 2026-03-03: sold 4,454 at $186.73 Form 4 ↗
2026-02-25Olivier Puech Trust, EVP Latin America$3,231,812
17,665 shno plan dateno Form 4 on file144 ↗
2026-02-17RODNEY SMITH, EVP, CFO & Treasurer$6,596,497
34,341 shplan 2025-05-22144 ↗
Form 4, 2026-02-19: sold 34,341 at $192.09 Form 4 ↗