InsiderTrades

Form 4 for AMT American Tower

Accepted 2026-03-12 00:00:00 ET · period of report 2026-03-10 · accession 0001053507-26-000080 · SEC index · Original document

Summary rows

Aggregated the way they appear in lists: one row per insider, transaction code and security table.

X Filed Traded Ticker Insider Title Type Price Qty Owned ΔOwn Value
M 2026-03-12 2026-03-10+ AMT Font Juan SVP, Pres, CEO, CoreSite F - Tax $185.02 -2,762 29.3K -9% -$511.0K
2026-03-12 2026-03-10 AMT Font Juan SVP, Pres, CEO, CoreSite A - Grant $0.00 +8,060 31.1K +35% $0

Purchase Sale Sale after option exercise All abbreviations

Every reported transaction

#TableSecurityDateCodeA/DSharesPriceOwned afterOwnExercise / expiryUnderlyingFootnotes
1 Common Common Stock 2026-03-11 F D 928 $182.85 28,352 D — —
2 Common Common Stock 2026-03-10 F D 1,834 $186.12 29,280 D — —
3 Common Common Stock 2026-03-10 A A 8,060 $0.00 31,114 D — — (F1) These restricted stock units ("RSUs") were granted pursuant to the 2007 Equity Incentive Plan, as amended (the "Plan"), and vest 1/3rd annually over three years, commencing one year from the date of grant. Each RSU represents a contingent right to receive one share of Common Stock.