$71.90
+0.60%Black Hills Corporation, through its subsidiaries, operates as an electric and natural gas utility company in the United States. It operates in two segments, Electric Utilities and Gas Utilities. The Electric Utilities segment generates, transmits, and distributes electricity to approximately 218,000 electric utility customers in Colorado, Montana, South Dakota, and Wyoming; and owns and operates 1,481.5 megawatts of generation capacity and 8,892 miles of electric transmission and distribution lines. The Gas Utilities segment distributes natural gas to approximately 1,094,000 natural gas utility customers in Arkansas, Colorado, Iowa, Kansas, Nebraska, and Wyoming; owns and operates 4,732 miles of intrastate gas transmission pipelines; 41,644 miles of gas distribution mains and service lines; six natural gas storage sites; and approximately 50,000 horsepower of compression and 515 miles of gathering lines. The company also constructs and maintains gas infrastructure facilities for gas transportation customers; and provides appliance repair services to residential utility customers, as well as electrical system construction services to large industrial customers. In addition, it produces electric power through wind, natural gas, and coal-fired generating plants; and coal at its coal mine located near Gillette, Wyoming. The company was incorporated in 1941 and is headquartered in Rapid City, South Dakota.
BKH - Filing history and reports
| Filing Type | Filing Date | Period Ending | Fiscal Year | Actions |
|---|---|---|---|---|
8-K 8-K 2026 N/A | May 15, 2026 | May 15, 2026 | 2026 | |
10-Q 10-Q 2026 Q1 Q1 | May 07, 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 | May 01, 2026 | April 29, 2026 | 2026 | |
8-K 8-K 2026 N/A | April 02, 2026 | April 02, 2026 | 2026 | |
DEF 14A DEF 14A 2026 N/A | March 18, 2026 | April 29, 2026 | 2026 | |
8-K 8-K 2026 N/A | February 19, 2026 | February 19, 2026 | 2026 | |
10-K 10-K 2025 FY FY | February 11, 2026 | December 31, 2025 | 2025 | |
8-K 8-K 2026 N/A | February 04, 2026 | February 04, 2026 | 2026 | |
S-4 S-4 N/A | January 30, 2026 | January 30, 2026 |
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.
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.
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.
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.
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.
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.
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.
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