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Clarke Teresa Hillary's Form 4 filing

American Tower CorpAMT ยท filed Oct 22, 2026

Accession no.
0001053507-26-000151
Filed
Oct 22, 2026, 5:42 PM ET
Trade date
Apr 28, 2023-Oct 20, 2026
Filing delay
1,273 daysLate
Rule 10b5-1 plan
Not checked

This filing lists 15 non-derivative transactions. Open-market purchases total $63.7K. It was filed 1273 days after the trade, past the 2-business-day deadline.

Reporting owners

A Form 4 can have several reporting owners, such as a person and a fund they control. Trade tables show the first one.

Reporting owners on this filing
OwnerRelationship to the company
Clarke Teresa HillaryCIK 0001875332Director

Non-derivative securities (Table I)

Acquisitions and disposals of common stock and similar shares, one row per line on the filing.

Non-derivative transactions
Trade dateSecurityTransactionSharesPriceValueShares afterOwnershipFlags
Apr 28, 2023Common StockPPurchaseAcquired+6.674$205.93+$1,374.385,313.674Direct
Jul 10, 2023Common StockPPurchaseAcquired+7.192$193.78+$1,393.675,320.866Direct
Oct 27, 2023Common StockPPurchaseAcquired+8.452$171.52+$1,449.695,329.318Direct
Feb 1, 2024Common StockPPurchaseAcquired+7.68$199.95+$1,535.625,336.998Direct
Apr 26, 2024Common StockPPurchaseAcquired+18.588$172.82+$3,212.385,355.586Direct
Jul 12, 2024Common StockPPurchaseAcquired+15.873$204.28+$3,242.545,371.459Direct
Oct 25, 2024Common StockPPurchaseAcquired+14.371$227.42+$3,268.255,385.83Direct
Feb 3, 2025Common StockPPurchaseAcquired+17.577$187.27+$3,291.645,403.407Direct
Apr 28, 2025Common StockPPurchaseAcquired+25.488$209.33+$5,335.45,428.895Direct
Jul 11, 2025Common StockPPurchaseAcquired+24.095$223.23+$5,378.735,452.99Direct
Oct 20, 2025Common StockPPurchaseAcquired+28.657$189.12+$5,419.615,481.647Direct
Feb 2, 2026Common StockPPurchaseAcquired+30.713$178.04+$5,468.145,512.36Direct
Apr 28, 2026Common StockPPurchaseAcquired+43.5$177.08+$7,702.985,555.86Direct
Jul 13, 2026Common StockPPurchaseAcquired+46.448$167.52+$7,780.975,602.308Direct
Oct 20, 2026Common StockPPurchaseAcquired+42.926$183.20+$7,864.045,645.234Direct

Footnotes and remarks

Livermore keeps the footnotes that transaction prices refer to, all footnotes of amendments (Form 4/A) and the filing's remarks. Other footnotes, such as how indirect holdings are held or the details of a trading plan, are only in the original on SEC EDGAR.

No transaction price on this filing refers to a footnote.

Remarks

As of the date of this filing, the reporting person is no longer enrolled a dividend reinvestment plan administered by the reporting person's broker.

Read the full filing on SEC EDGAR (opens in a new tab)