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CIK 0001053507 · Large accelerated filer

AMERICAN TOWER CORP /MA/

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Ticker
AMT
Exchange
NYSE
Industry
Real Estate Investment Trusts
FY end
Dec 31
Incorporated
DE
Entity type
operating
EIN
650723837
Phone
6173757500
Business address
222 BERKELEY STREET, BOSTON, MA, 02116
Former names
AMERICAN TOWER SYSTEMS CORP
Open-market buys, last 90 days
$508,597
in 2 filings
Open-market sales, last 90 days
$403,084
in 2 filings, $291K under 10b5-1 plans

Net +$105,513. Shares bought or sold at a price by officers, directors and 10% owners (Form 4 codes P and S). Grants, option exercises and tax withholding aren't counted.

Reading 100 more Form 4s from the SEC; this list fills in as they're read.

Date Insider Transaction Shares Price Value Owned after
2025-04-28 Clarke Teresa Hillary Director Purchase +25.49 $209.33 $5K 5,428.9
2025-03-17 Goel Sanjay EVP & President, Asia-Pacific Sale −4,000 $215.92 $864K 25,408
2025-03-11 Smith Rodney M EVP, CFO & Treasurer Shares withheld for taxes −1,358 $209.78 $285K 74,195
2025-03-11 Rossi Richard C EVP & President, U.S. Tower Shares withheld for taxes −717 $209.78 $150K 13,178
2025-03-11 Vondran Steven O President and CEO Shares withheld for taxes −2,262 $209.78 $475K 80,748
2025-03-11 Puech Olivier EVP & President, International Shares withheld for taxes −1,209 $209.78 $254K 38,023
2025-03-11 Noel Eugene M EVP & Chief Operating Officer Shares withheld for taxes −755 $209.78 $158K 29,473
2025-03-11 Meyer Robert Joseph JR SVP & Chief Accounting Officer Shares withheld for taxes −717 $209.78 $150K 28,956
2025-03-11 Font Juan SVP, Pres. & CEO, CoreSite Shares withheld for taxes −981 $209.78 $206K 24,104
2025-03-11 Dowling Ruth T EVP, Chief Admin Ofr, GC & Sec Shares withheld for taxes −905 $209.78 $190K 21,282
2025-03-10 Smith Rodney M EVP, CFO & Treasurer Grant or award +8,448 83,767
2025-03-10 Smith Rodney M EVP, CFO & Treasurer Shares withheld for taxes −8,214 $213.07 $1.8M 75,553
2025-03-10 Rossi Richard C EVP & President, U.S. Tower Grant or award +3,755 14,929
2025-03-10 Rossi Richard C EVP & President, U.S. Tower Shares withheld for taxes −1,034 $213.07 $220K 13,895
2025-03-10 Vondran Steven O President and CEO Grant or award +15,488 93,337
2025-03-10 Vondran Steven O President and CEO Shares withheld for taxes −10,327 $213.07 $2.2M 83,010
2025-03-10 Puech Olivier EVP & President, International Grant or award +8,448 47,223
2025-03-10 Puech Olivier EVP & President, International Shares withheld for taxes −7,991 $213.07 $1.7M 39,232
2025-03-10 Noel Eugene M EVP & Chief Operating Officer Grant or award +5,632 32,375
2025-03-10 Noel Eugene M EVP & Chief Operating Officer Shares withheld for taxes −2,147 $213.07 $457K 30,228

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