InsiderTrades

Form 4 for AMT American Tower

Accepted 2026-03-12 00:00:00 ET · period of report 2026-03-10 · accession 0001053507-26-000074 · 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 Dowling Ruth T EVP, GC, Chief Admin Ofr, Sec F - Tax $185.74 -7,492 31.3K -19% -$1.39M
2026-03-12 2026-03-10 AMT Dowling Ruth T EVP, GC, Chief Admin Ofr, Sec A - Grant $0.00 +6,878 37.9K +22% $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 863 $182.85 30,433 D — —
2 Common Common Stock 2026-03-10 F D 6,629 $186.12 31,296 D — —
3 Common Common Stock 2026-03-10 A A 6,878 $0.00 37,925 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.