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A

AMT

NYSE

AMERICAN TOWER CORP /MA/

Latest disclosureOctober 5, 2026
Insider score Why 25?
25/ 100
Qualifying buys · 30d
$0

1 purchases · 5 sales

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Insider transactions 9

Limited filing history
All9Buying1Selling5Other3
Filters

Last 30 daysNo qualifying insider buying. No qualifying insider sales.

3 of 9 trades · April 28, 2026 – October 1, 2026Incomplete history: this shows the filings imported so far, not every filing ever made. Dates are trade dates. Filters affect this table only.
Award disclosed

Paul Blanchett

SVP & Chief Accounting Officer

Common Stock

Value context
Non-cash award
Reported price
Award · no purchase price
Understand this price

The filing reports a zero transaction price for this award. It does not mean the awarded securities have no market value.

Traded October 1, 2026Filed October 5, 2026SEC filing
Tax or exercise withholding

Robert Joseph Meyer

SVP & Advisor to the CFO

Common Stock

Value context
$28.69K
Reported price
$187.53 / share
Traded June 1, 2026Filed June 3, 2026SEC filing
Gift disclosed

Pamela D. A. Reeve

Director

Common Stock

Value context
Not a purchase
Reported price
Gift · no purchase price
Understand this price

The filing reports a zero transaction price for this gift. It does not establish the market value of the gift.

Traded May 28, 2026Filed June 1, 2026SEC filing
Reporting insiderSecurity / transactionAmount / priceValueTraded / disclosedSource
SVP & Chief Accounting OfficerCommon StockGrant or award16,299Award · no purchase priceNon-cash awardOct 1Filed Oct 5 · 4d laterSEC filing
SVP & Advisor to the CFOCommon StockExercise-price or tax withholding153$187.53 / share$28.69KJun 1Filed Jun 3 · 2d laterSEC filing
DirectorCommon StockGift810Gift · no purchase priceNot a purchaseMay 28Filed Jun 1 · 4d laterSEC filing
Explore furtherTechnical lab Company financials Test a strategy Compare company

Why this buying score?

Qualifying common-equity purchase value

$375,550 of common-equity purchase value after transaction-age decay across 180 days.

+12 pts

Distinct buying groups

1 distinct reporting-owner group(s). Joint rows count once; identity is not proof of discretion.

+5 pts

Material reported holdings increase

At least one row increased reported same-security holdings by 10% or established a new reported position; indirect interests may overlap.

+8 pts

This score describes qualifying insider purchases at issuer level. Read the methodology

Sources and coverage

Source
SEC EDGAR · Form 4
Issuer CIK
0001053507
Latest public acceptance
Oct 5, 2026, 08:07 PM UTC
Score calculated
Oct 7, 2026, 12:06 AM UTC
Parser
form4-parser-1.5
Classifier
form4-classifier-1.1
Scoring methodology
insider-experimental-1.1
Availability
Public filing time, not trade date

Open a transaction's SEC filing for the primary evidence. A code P may describe an open-market or private purchase; classification is not proof of intent.

Insider activity can have many explanations. Signal Strength is not a probability of profit or a recommendation to trade.

Limited filing history · Market-wide discovery does not establish complete company history. View coverage

Congress transactions 3

All Congress filings
Full sale disclosed

American Tower Corporation (REIT) Common Stock · Stock

The filing reports a full sale for the member.

AAAlan ArmstrongReporting Senate member
Reported amount
$1,001 – $15,000Reported range; exact amount not disclosed.
Trade date
March 27, 2026
Filed July 21, 2026 · 116d laterOriginal report
Sale disclosedAmended report

American Tower Corporation (AMT) · Stock

The filing reports a sale for the member.

Dwight Evans official portraitDwight EvansReporting House member
Reported amount
$1,001 – $15,000Reported range; exact amount not disclosed.
Trade date
May 11, 2026
Filed May 15, 2026 · 4d laterOriginal report
Sale disclosed

American Tower Corporation (AMT) · Stock

The filing reports a sale for the member.

Richard Dean Dr McCormick official portraitRichard Dean Dr McCormickReporting House member
Reported amount
$1,001 – $15,000Reported range; exact amount not disclosed.
Trade date
April 17, 2026
Filed May 12, 2026 · 25d laterOriginal report