AMERICAN TOWER CORP /MA/

AMT

Form 4 • Statement of Changes in Beneficial Ownership

SEC Accession Number: 0002000070-26-000002
Filing date: Mar 4, 2026
Earliest execution date: Mar 2, 2026
Reporting Owners: Noel Eugene M (COO)

Summary

Type

Sell

Net shares

-41,209

% of shares

-58.20%

Amount (USD)

$7,872,919

Insider confidence score

8.1 out of 100

Positive

  • Under Rule 10b5-1 trading plan

Negative

  • Extreme scheduled sell (≥25% of shares)
  • Huge sell amount ($5M+)

Stock transactions

Transaction 1

Security

Common Stock

Action

Exercise

Date

2026-03-02

Code

M

Net shares

+41,209.0

Price per Share

$94.71

Amount (USD)

$3,902,904.39

Acquired/Disposed

Acquired

Shares Owned Before

29,592.0

Shares Owned After

70,801.0

Transaction 2

Security

Common Stock

Action

Sell

Date

2026-03-02

Code

S

Net shares

-5,242.0

Price per Share

$189.36

Amount (USD)

$992,625.12

Acquired/Disposed

Disposed

Shares Owned Before

70,801.0

Shares Owned After

65,559.0

Transaction 3

Security

Common Stock

Action

Sell

Date

2026-03-02

Code

S

Net shares

-7,378.0

Price per Share

$190.29

Amount (USD)

$1,403,959.62

Acquired/Disposed

Disposed

Shares Owned Before

65,559.0

Shares Owned After

58,181.0

Transaction 4

Security

Common Stock

Action

Sell

Date

2026-03-02

Code

S

Net shares

-21,604.0

Price per Share

$191.40

Amount (USD)

$4,135,005.60

Acquired/Disposed

Disposed

Shares Owned Before

58,181.0

Shares Owned After

36,577.0

Transaction 5

Security

Common Stock

Action

Sell

Date

2026-03-02

Code

S

Net shares

-6,985.0

Price per Share

$192.03

Amount (USD)

$1,341,329.55

Acquired/Disposed

Disposed

Shares Owned Before

36,577.0

Shares Owned After

29,592.0

Derivative Transactions

Transaction 1

Security

Option to Purchase Common Stock

Action

Exercise

Date

2026-03-02

Code

M

Net shares

-41,209.0

Acquired/Disposed

Disposed

Shares Owned Before

41,209.0

Shares Owned After

0.0

Filing's footnotes

1. Includes 73 and 46 shares acquired under the issuer's employee stock purchase plan in May 2025 and November 2025, respectively.

2. The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on February 26, 2025.

3. Represents the weighted average price of shares sold in multiple same-day transactions at prices ranging from $188.82 to $189.78 per share.

4. Represents the weighted average price of shares sold in multiple same-day transactions at prices ranging from $189.92 to $190.88 per share.

5. Represents the weighted average price of shares sold in multiple same-day transactions at prices ranging from $190.92 to $191.91 per share.

6. Represents the weighted average price of shares sold in multiple same-day transactions at prices ranging from $191.92 to $192.19 per share.

7. 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.

ℹ️ Filed under Rule 10b5-1 trading plan

This page is for informational purposes only. While we strive for accuracy, the summary may contain inaccuracies or omissions. Please refer to the official SEC filing for authoritative information. Open the SEC filing.