Insider trade

CEO sold ~$337K of AMT shares in the open market

Traded Mar 4, 2026 · Filed Mar 6, 2026

American TowerAMT

~$337K
Reported value · 1,773 sh @ $189.82: 105K
Holds after · shares reported: -15.6%
stock since the trade · S&P 500 +11.5%, $190.80 → $161.06 on Oct 1

Why it stands out

The boss of American Tower sold $337K of American Tower shares. It was planned long ago, so it says very little.

Written from the filing's own figures. OQRO describes what was reported and never tells you what to buy or sell

View the official recordSEC Form 4 — Statement of Changes in Beneficial Ownership

All the details

Dates, kept separate

Transaction date: Mar 4, 2026
Reporting period: Not applicable
Filed with the SEC: Mar 6, 2026

CEO$100K–$500KPre-arranged plan referenced

Context

Classification

open market sale

Code S — open-market or private sale

Absolute commitment

~$336,551

Shares × reported transaction price

Timing vs results

8 days after results of Feb 24, 2026, 55 days before results of Apr 28, 2026

Results dates are the company's own 8-K (Item 2.02). Many companies only let insiders trade in a window after results

Price at the time

Closed at $190.80 on Mar 4, 2026, 13% above its 52-week low and 18% below its high, after a 7% rise over the previous 30 trading days

52-week range $168.51 (Jan 9, 2026) to $232.35 (Jul 22, 2025), 35% of the way up, from 251 adjusted closes. 30 trading days earlier: $177.75 on Jan 20, 2026. Describes the past only, not a forecast

Planned / mechanical clue

Footnote references a pre-arranged trading plan (Rule 10b5-1)

Only flagged when a footnote says so; never inferred

After it was reported

After	Stock	S&P 500	Difference
7 days	-1.0%	-1.4%	+0.3%
30 days	-5.6%	-0.3%	-5.3%
90 days	+1.3%	+9.0%	-7.7%
180 days	-5.8%	+12.9%	-18.8%

Past results only. Not a forecast.

Source receipt

Record ID: 0001053507-26-000045
Filed / recorded: Mar 6, 2026, 9:23 PM UTC
Added to OQRO: Oct 2, 2026, 12:27 PM UTC
Parser: form4-xml-v1
Data quality: Verified: identifiers matched exactly
Issuer: AMERICAN TOWER CORP /MA/
Issuer CIK: 1053507
Ticker: AMT
Reporting person: Steven O Vondran
Relationship: Director, Officer
Officer title: President and CEO
Security: Common Stock
Table: Non-derivative (Table I)
Transaction date: Mar 4, 2026
Transaction code: S
Shares / units: 1,773
Price per share: $189.82
Acquired / disposed: Disposed (D)
Shares owned after: 105,374
Ownership form: Direct
Amendment: No

Footnotes from the filing

The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on May 6, 2025.
Represents the weighted average price of shares sold in multiple same-day transactions at prices ranging from $189.58 to $190.09 per share.