Company facts
- Industry
- Real Estate Investment Trusts
- Headquarters
- Boston, Massachusetts
- Most recent report
- 10-Q, filed Jul 28, 2026
- Incorporated
- Delaware
- Filings on record
- 1,001+ filings
- On EDGAR
- CIK 1053507
- Fiscal year ends
- December
- Filer status
- Large accelerated filer
Financials 8 of 38
News 8 of 233
Prospectuses and Registrations 8 of 98
- S-8 Registration statement for an employee plan May 26, 2026
- 25-NSE Notice that a security was delisted May 22, 2026
- 424B2 Prospectus supplement for an offering May 20, 2026
- FWP Free writing prospectus May 19, 2026
- 424B5 Prospectus supplement for an offering May 19, 2026
- 424B2 Prospectus supplement for an offering Dec 3, 2025
- FWP Free writing prospectus Dec 2, 2025
- 424B5 Prospectus supplement for an offering Dec 2, 2025
Proxies 8 of 22
- DEFA14A Extra proxy material Apr 28, 2026
- DEFA14A Extra proxy material Apr 8, 2026
- DEF 14A Proxy statement for a shareholder vote Apr 8, 2026
- DEFA14A Extra proxy material Apr 2, 2025
- DEF 14A Proxy statement for a shareholder vote Apr 2, 2025
- PX14A6G Shareholder's own proxy material Apr 17, 2024
- DEFA14A Extra proxy material Apr 10, 2024
- DEF 14A Proxy statement for a shareholder vote Apr 10, 2024
Ownership 8 of 570
- 4 Insider reported a trade Jul 31, 2026
- 4 Insider reported a trade Jul 30, 2026
- 144 Notice of a proposed sale of restricted stock Jul 29, 2026
- 144 Notice of a proposed sale of restricted stock Jul 28, 2026
- 4 Insider reported a trade Jun 3, 2026
- 4 Insider reported a trade Jun 1, 2026
- 4 Insider reported a trade May 20, 2026
- 4 Insider reported a trade Apr 30, 2026
Other 8 of 40
- CERT Exchange certified a listing Jun 8, 2026
- 8-A12B Registration of a security for exchange listing May 27, 2026
- ARS Annual report sent to shareholders Apr 8, 2026
- CERT Exchange certified a listing Jun 2, 2025
- 8-A12B Registration of a security for exchange listing May 30, 2025
- ARS Annual report sent to shareholders Apr 2, 2025
- CERT Exchange certified a listing Jun 3, 2024
- 8-A12B Registration of a security for exchange listing May 29, 2024
Everything here comes from American Tower Corp's own filings on SEC EDGAR. The filing list is rechecked every hour.