Company facts
- Headquarters
- Dallas, Texas
- Most recent report
- 10-Q, filed Oct 21, 2026
- Incorporated
- Delaware
- Filings on record
- 1,006+ filings
- On EDGAR
- CIK 732717
- Fiscal year ends
- December
- Filer status
- Large accelerated filer
Financials 8 of 18
News 8 of 66
Prospectuses and Registrations 8 of 45
- 25-NSE Notice that a security was delisted Sep 8, 2026
- 424B2 Prospectus supplement for an offering Aug 12, 2026
- 424B2 Prospectus supplement for an offering Aug 11, 2026
- FWP Free writing prospectus Aug 10, 2026
- FWP Free writing prospectus Aug 7, 2026
- 424B2 Prospectus supplement for an offering Jul 29, 2026
- FWP Free writing prospectus Jul 27, 2026
- S-8 Registration statement for an employee plan May 29, 2026
Proxies 8 of 15
- PX14A6G Shareholder's own proxy material Apr 22, 2026
- DEFA14A Extra proxy material Mar 23, 2026
- DEF 14A Proxy statement for a shareholder vote Mar 23, 2026
- PRE 14A Preliminary proxy statement Mar 13, 2026
- DEFA14A Extra proxy material Apr 4, 2025
- DEF 14A Proxy statement for a shareholder vote Apr 4, 2025
- PX14A6G Shareholder's own proxy material Apr 16, 2024
- DEFA14A Extra proxy material Apr 8, 2024
Ownership 8 of 820
- 4 Insider reported a trade Nov 3, 2026
- 4 Insider reported a trade Nov 3, 2026
- 4 Insider reported a trade Nov 3, 2026
- 4 Insider reported a trade Nov 3, 2026
- 4 Insider reported a trade Nov 3, 2026
- 4 Insider reported a trade Nov 3, 2026
- 4 Insider reported a trade Nov 3, 2026
- 4 Insider reported a trade Nov 3, 2026
Other 8 of 42
- CERT Exchange certified a listing Aug 18, 2026
- 8-A12B Registration of a security for exchange listing Aug 17, 2026
- CERT Exchange certified a listing Aug 6, 2026
- 8-A12B Registration of a security for exchange listing Aug 4, 2026
- 11-K Employee stock plan report Jun 22, 2026
- 11-K Employee stock plan report Jun 22, 2026
- 11-K Employee stock plan report Jun 22, 2026
- 11-K Employee stock plan report Jun 22, 2026
What to read: Sep 2026 10-Q
SECSift found 1 of 10 sections worth reading, with 0 positive, 8 notable, and 0 negative flags.
Financial Statements (Item 1)
Massive spectrum buy, debt surge, Mexico sale, new segment structure, and EPS collapse.Notable- Acquired Lumen's Mass Markets fiber business for $5.8B; placed in Forged Fiber, held for sale as discontinued ops.
- New segment structure: Advanced Connectivity, Legacy, Latin America. Goodwill reassigned; no impairment.
- Acquired $22.7B of 600 MHz and 3.45 GHz FCC licenses from EchoStar on July 28, 2026.
- Agreed to sell 50% of Composite Fiber 37 (Forged Fiber + Gigapower) to GIP/CPP Investments; expected H1 2027.
- Formed satellite JV with Verizon and T-Mobile to pool spectrum for direct-to-device coverage.
- Agreed to sell Mexico wireless business for ~$2B cash, expected close Q1 2027.
- Effective tax rate spiked to 51.6% in Q3 2026 from 9.2% a year ago, driven by Mexico impairment.
- Debt ratio rose to 56.1% at Sept 2026 from 51.4% at Dec 2025.
What changed: Sep 2026 vs. Jun 2026
About 9% of T's Sep 2026 10-Q is new information. 32 paragraphs were added, 114 changed, and 22 removed. Below are the most important lines SECSift identified.
Changed
- Exhausted $10B stock buyback authorization, started new $10B; bought 291M shares YTD.
- Advanced Connectivity nine-month 2026 EBITDA margin rose to 41.5% from 41.3% in six-month 2026.
- Advanced Connectivity nine-month 2026 operating income margin rose to 25.2% from 24.9% in six-month 2026.
- Latin America nine-month 2026 EBITDA margin rose to 18.8% from 18.6% in six-month 2026.
- Latin America nine-month 2026 operating income margin rose to 2.8% from 2.4% in six-month 2026.
- Changed Exhibit 10.1 from 2026 Incentive Plan to AT&T Executive Physical Program.
- Changed Exhibit 10.2 from Stock Purchase and Deferral Plan to AT&T Inc. Health Plan.
- Changed Exhibit 10.3 from Administrative Plan to Supplemental Life Insurance Plan.
Everything here comes from AT&T Inc.'s own filings on SEC EDGAR. The filing list is rechecked every hour. SECSift analysis was completed on Oct 21, 2026, from the 10-Q for Sep 2026.