Company facts
- Industry
- Real Estate Investment Trusts
- Headquarters
- Boston, Massachusetts
- Most recent report
- 10-Q, filed Jul 28, 2026
- Incorporated
- Delaware
- Filings on record
- 1,000+ 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 569
- 4 Insider reported a trade Aug 25, 2026
- 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
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
What to read: Jun 2026 10-Q
SECSift found 3 of 11 sections worth reading, with 1 positive, 9 notable, and 5 negative flags.
Financial Statements (Item 1)
All key financial results for Q2 2026; revenue, net income, cash flow, debt changes.Notable- Sold its Philippines subsidiary and Bangladesh partnership in June 2026; total proceeds ~$82.5M.
- DISH wireless lease amounts excluded from future lease receivable table as of June 30, 2026.
- Issued EUR 750M 4.000% senior notes due 2033; used to repay existing debt.
- Repurchased 1,164,378 shares for $202.9M in H1 2026 under the $2.0B buyback program.
- Stonepeak's mandatorily convertible preferred equity will convert in Aug 2026, diluting AMT to 64% ownership.
Management's Discussion (Item 2)
Core MD&A: detailed segment results, two active disputes, financing updates, covenant headroom.PositiveNotableNegative- AT&T Mexico dispute: cumulative $50M reserves ($30M in 2025 + $20M in H1 2026). Arbitration hearing August 2026.
- DISH filed chapter 11 on June 30, 2026; was 2% of 2025 property revenue. Termination of SCA effective June 2.
- DISH impairment of $17.5M recorded in Q2 2026; stock repurchases of $202.9M in H1 reduced cash.
Legal Proceedings (Item 1)
Two large tenant disputes with quantified reserves and a bankruptcy filing; material to revenue.Notable
What changed: Jun 2026 vs. Mar 2026
About 27% of AMT's Jun 2026 10-Q is new information. 134 paragraphs were added, 220 changed, and 37 removed. Below are the most important lines SECSift identified.
Removed
Everything here comes from American Tower Corp's own filings on SEC EDGAR. The filing list is rechecked every hour. SECSift analysis was completed on Aug 19, 2026, from the 10-Q for Jun 2026.