Atmos Energy Corporation

Atmos Energy Corporation

ATOยทNYSE

$167.97

-0.20%
UtilitiesRegulated Gas

Atmos Energy Corporation, together with its subsidiaries, engages in the regulated natural gas distribution, and pipeline and storage businesses in the United States. It operates through two segments, Distribution, and Pipeline and Storage. The Distribution segment is involved in the regulated natural gas distribution and related sales operations in eight states. This segment distributes natural gas to approximately three million residential, commercial, public authority, and industrial customers. As of September 30, 2021, it owned 71,921 miles of underground distribution and transmission mains. The Pipeline and Storage segment engages in the pipeline and storage operations. This segment transports natural gas for third parties and manages five underground storage reservoirs in Texas; and provides ancillary services to the pipeline industry, including parking arrangements, lending, and inventory sales. As of September 30, 2021, it owned 5,699 miles of gas transmission lines. Atmos Energy Corporation was founded in 1906 and is headquartered in Dallas, Texas.

At a Glance

Live Snapshot
Market Cap$28.04B
EPS7.5400
P/E Ratio22.28
Earnings Date08/05/2026

SEC Filings

ATO - Filing history and reports

Filing TypeFiling DatePeriod EndingFiscal YearActions
10-Q

10-Q 2026 Q1

Q1

May 06, 2026
March 31, 2026
2026
8-K

8-K 2026

N/A

May 06, 2026
May 06, 2026
2026
8-K

8-K 2026

N/A

March 30, 2026
March 27, 2026
2026
8-K

8-K 2026

N/A

February 10, 2026
February 04, 2026
2026
10-Q

10-Q 2025 Q4

Q4

February 03, 2026
December 31, 2025
2025
8-K

8-K 2026

N/A

February 03, 2026
February 03, 2026
2026
DEF 14A

DEF 14A 2026

N/A

December 19, 2025
February 04, 2026
2026
10-K

10-K 2025 FY

FY

November 14, 2025
September 30, 2025
2025
8-K

8-K 2025

N/A

November 05, 2025
November 05, 2025
2025
8-K

8-K 2025

N/A

October 01, 2025
October 01, 2025
2025
Showing 1 to 10 of 472 filings

Understanding SEC Filings

Essential regulatory documents for investors

SEC filings are mandatory documents that publicly traded companies must submit to the Securities and Exchange Commission. These reports provide critical insights into a company's financial health, operations, risks, and strategic direction. For investors conducting due diligence, these filings are the most authoritative source of company information.

10-K

Annual Report

Comprehensive annual financial report filed within 60-90 days of fiscal year-end. Includes audited financial statements, management discussion & analysis (MD&A), risk factors, and detailed business operations. The most thorough financial disclosure of the year.

Filed annually
10-Q

Quarterly Report

Unaudited quarterly financial report filed within 40-45 days after each of the first three fiscal quarters. Provides updates on financial position, results of operations, and significant events. Essential for tracking quarterly performance trends.

Filed 3 times per year
8-K

Current Report

Event-driven filing for material events that shareholders should know about, filed within 4 business days. Includes acquisitions, executive changes, bankruptcy, earnings releases, and other significant developments. Critical for staying informed about breaking news.

Filed as events occur
DEF 14A

Proxy Statement

Definitive proxy statement sent to shareholders before annual meetings. Contains executive compensation details, board member information, voting matters, and corporate governance policies. Key for understanding management incentives and board composition.

Filed before shareholder meetings
S-1

Registration Statement

Initial registration for securities offerings, including IPOs. Provides detailed company history, business model, financial statements, risk factors, and use of proceeds. Essential for evaluating new investment opportunities and understanding company fundamentals.

Filed for new offerings
20-F

Foreign Annual Report

Annual report for foreign private issuers, equivalent to Form 10-K for non-U.S. companies. Filed within 4-6 months of fiscal year-end. Contains audited financials, business description, and regulatory disclosures adapted for international companies.

Foreign companies only

Why SEC Filings Matter

  • Regulatory Accuracy: Filings are subject to SEC review and legal penalties for misstatements, ensuring high data quality
  • Management Insights: MD&A sections reveal management's perspective on trends, challenges, and future outlook
  • Risk Assessment: Detailed risk factor disclosures help investors understand potential threats to business operations
  • Competitive Analysis: Business descriptions and segment data enable comparison with industry peers
  • Historical Context: Years of filings provide trend analysis and context for current performance