American Tower (AMT): Officer filed to sell ~$290K

~$290K

planned to sell · 1,578 shares, around Oct 28, 2026

Planned for

Oct 28, 2026

Notice filed

Oct 28, 2026

The story around this disclosure

Every dated public record OQRO holds about the company from 60 days before to 120 days after, oldest first. It shows what was going on; none of it is a stated reason for the trade.

1. Sep 14, 2026Company filing · Form 8-K · Material agreement, New debtSigned an important agreement, and took on new debt or obligations
2. Sep 17, 2026Company filing · Form 8-K · Executive change, Other newsChanged a top executive or board member, and reported other company news“On September 17, 2026, the Board of Directors (the “Board”) of American Tower Corporation (the “Company”) elected Kristen M. Ludgate as a director and member of its Compensation and Human Capital Committee, effective immediately.”
3. Oct 27, 2026Company filing · Form 8-K · ResultsReported its results
4. Oct 28, 2026InsiderOfficer sold ~$114K of AMT shares in the open market

What came next

1. Oct 29, 2026InsiderOfficer sold ~$177K of AMT shares in the open market
2. Oct 30, 2026InsiderCEO sold ~$112K of AMT shares in the open market
3. Nov 13, 2026Company filing · Form 8-K · Material agreement, New debtSigned an important agreement, and took on new debt or obligations

How to read SEC Form 144

Form 144 is a notice that a company insider plans to sell shares. It is filed when the sell order is placed, so it announces a planned sale and does not prove that the sale took place.

Full guide: What is an SEC Form 144?

What else is on file for American Tower

For American Tower, OQRO holds 6 insider filings (SEC Form 4 or Form 144) and 1 fund holdings report (13F) dated in the last 90 days.

These are records OQRO holds, counted by their date, not a measure of how much trading took place. Routine paperwork such as option exercises and tax withholding is left out. Everything for the company is on its AMT page.

How this filing works

• SEC Form 144
• Rule 10b5-1 trading plans

Other disclosures at American Tower

• SEC Form 4Nov 3, 2026
• SEC Form 144Oct 30, 2026
• SEC Form 4Oct 30, 2026
• SEC Form 4Oct 30, 2026
• SEC Form 4Aug 25, 2026
• SEC Form 13F-HRAug 18, 2026

Everything OQRO holds on this company is on its AMT page.