InsiderTrades

Form 4 for AMT American Tower

Accepted 2026-03-04 00:00:00 ET · period of report 2026-03-02 · accession 0002000070-26-000002 · 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
D 2026-03-04 2026-03-02 AMT Noel Eugene M EVP, COO M - OptEx $94.71 +41.2K 70.8K +139% +$3.90M
DM 2026-03-04 2026-03-02 AMT Noel Eugene M EVP, COO S - Sale+OE $191.05 -41.2K 29.6K -58% -$7.87M
D 2026-03-04 2026-03-02 AMT Noel Eugene M EVP, COO M - OptEx $0.00 -41.2K 0 -100% $0

Purchase Sale Sale after option exercise All abbreviations

Every reported transaction

#TableSecurityDateCodeA/DSharesPriceOwned afterOwnExercise / expiryUnderlyingFootnotes
1 Common Common Stock 2026-03-02 M A 41,209 $94.71 70,801 D — — (F1) Includes 73 and 46 shares acquired under the issuer's employee stock purchase plan in May 2025 and November 2025, respectively.
2 Common Common Stock 2026-03-02 S D 5,242 $189.36 65,559 D — — (F3) Represents the weighted average price of shares sold in multiple same-day transactions at prices ranging from $188.82 to $189.78 per share.
3 Common Common Stock 2026-03-02 S D 7,378 $190.29 58,181 D — — (F4) Represents the weighted average price of shares sold in multiple same-day transactions at prices ranging from $189.92 to $190.88 per share.
4 Common Common Stock 2026-03-02 S D 21,604 $191.40 36,577 D — — (F5) Represents the weighted average price of shares sold in multiple same-day transactions at prices ranging from $190.92 to $191.91 per share.
5 Common Common Stock 2026-03-02 S D 6,985 $192.03 29,592 D — — (F6) Represents the weighted average price of shares sold in multiple same-day transactions at prices ranging from $191.92 to $192.19 per share.
6 Derivative Option to Purchase Common Stock 2026-03-02 M D 41,209 $0.00 0 D $94.71 · — to 2026-03-10 41,209 Common Stock (F7) This option was granted pursuant to the 2007 Equity Incentive Plan, as amended, and is exercisable in 25% cumulative annual increments beginning March 10, 2017.