Form4insider filings, from the source

Insider holders · CIK 0001053507

AMERICAN TOWER CORP /MA/ · AMT

Every insider with a reported Table I holding at this company, ranked by their last-reported share count. A balance is only as fresh as its filing — the report date sits next to every row on purpose. ← Back to activity

InsiderDirect sharesIndirect sharesTotal reportedLast report (ET)From
James D Taiclet Jr.Chairman, President and CEO276,71632,306309,022Mar 14, 2019 · 4:23 pm EDTForm 4
Amit SharmaEVP, Asia190,043—190,043Mar 14, 2019 · 4:33 pm EDTForm 4
Edmund DiSantoEVP, Chief Admin Ofr, GC & Sec177,321—177,321Mar 14, 2019 · 4:28 pm EDTForm 4
Thomas A BartlettEVP and CFO146,053193146,246Mar 14, 2019 · 4:27 pm EDTForm 4
Steven C. MarshallFormer Officer104,835—104,835Nov 1, 2018 · 4:15 pm EDTForm 4
William H HessEVP & Chairman, LatAm & EMEA72,23117872,409Mar 14, 2019 · 4:30 pm EDTForm 4
Joann A ReedDirector46,508—46,508Mar 12, 2019 · 5:49 pm EDTForm 4
Steven O VondranEVP & President, U.S. Tower30,169—30,169Mar 14, 2019 · 4:34 pm EDTForm 4
Ruth T DowlingEVP, Chief Admin Ofr, GC & Sec27,711—27,711Jul 30, 2026 · 4:11 pm EDTForm 4
Robert Joseph MeyerSVP & Advisor to the CFO21,428—21,428Jul 31, 2026 · 4:08 pm EDTForm 4
Ronald M DykesDirector21,079—21,079Mar 12, 2015 · 5:05 pm EDTForm 4
Olivier PuechEVP & President, LatAm & EMEA20,316—20,316Mar 14, 2019 · 4:32 pm EDTForm 4
Samme L ThompsonDirector19,598—19,598Mar 12, 2019 · 5:53 pm EDTForm 4
Raymond P DolanDirector14,972—14,972Mar 12, 2019 · 5:27 pm EDTForm 4
Pamela D A ReeveDirector14,972—14,972Mar 12, 2019 · 5:51 pm EDTForm 4
Carolyn KatzDirector12,905—12,905Mar 14, 2017 · 5:00 pm EDTForm 4
Gustavo LaraDirector10,192—10,192Mar 14, 2019 · 4:21 pm EDTForm 4
Craig MacnabDirector8,388—8,388Mar 12, 2019 · 5:46 pm EDTForm 4
Rajesh KalathurDirector7,7651717,936Aug 25, 2026 · 4:23 pm EDTForm 4
Robert D HormatsDirector6,070—6,070Mar 12, 2019 · 5:35 pm EDTForm 4
David E SharbuttDirector3,932—3,932Mar 12, 2019 · 5:52 pm EDTForm 4
Grace LiebleinDirector2,214—2,214Mar 12, 2019 · 5:43 pm EDTForm 4

Balances come from each insider’s most recent filing that reports a Table I holding; an insider who left the company years ago still appears with their last-known figure and its date. Indirect totals collapse multiple vehicles (trusts, LLCs) into one number — open the filing for the breakdown. Shares as filed, not split-adjusted.