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American Tower AMT

All filings · 27 filings with the SEC in the last year

September 2026

  1. Sep 188-KExecutive changesannounced an executive or director changeSEC ↗
  2. Sep 148-KDeals & acquisitionsentered a material agreementSEC ↗
  3. Sep 098-Kdisclosed another material eventSEC ↗

July 2026

  1. Jul 2810-Qfiled its quarterly reportSEC ↗
  2. Jul 288-Kreported quarterly resultsSEC ↗

June 2026

  1. Jun 048-Kdisclosed another material eventSEC ↗
  2. Jun 028-Kdisclosed another material eventSEC ↗

May 2026

  1. May 278-KDeals & acquisitionsentered a material agreementSEC ↗
  2. May 218-KExecutive changesannounced an executive or director changeSEC ↗
  3. May 198-Kdisclosed another material eventSEC ↗
  4. May 078-KDeals & acquisitionsentered a material agreementSEC ↗

April 2026

  1. Apr 2810-Qfiled its quarterly reportSEC ↗
  2. Apr 288-Kreported quarterly resultsSEC ↗

March 2026

  1. Mar 108-KExecutive changesannounced an executive or director changeSEC ↗
  2. Mar 058-Kdisclosed another material eventSEC ↗

February 2026

  1. Feb 278-KExecutive changesannounced an executive or director changeSEC ↗
  2. Feb 2410-Kfiled its annual reportSEC ↗
  3. Feb 248-Kreported quarterly resultsSEC ↗

January 2026

  1. Jan 298-KExecutive changesannounced an executive or director changeSEC ↗
  2. Jan 288-Kdisclosed another material eventSEC ↗

December 2025

  1. Dec 11SCHEDULE 13D/A/AActivist stakesdisclosed an activist stakeSEC ↗
  2. Dec 058-KDeals & acquisitionsentered a material agreementSEC ↗
  3. Dec 048-Kdisclosed another material eventSEC ↗
  4. Dec 028-Kdisclosed another material eventSEC ↗

November 2025

  1. Nov 078-KExecutive changesannounced an executive or director changeSEC ↗

October 2025

  1. Oct 2810-Qfiled its quarterly reportSEC ↗
  2. Oct 288-Kreported quarterly resultsSEC ↗