BKH BLACK HILLS CORP /SD/
company
SEC Filings & Insider Trading Activity 2026

CIK: 1130464
Utilities
Electric Services 54 filings
Russell 2000

Latest BLACK HILLS CORP /SD/ (BKH) SEC EDGAR filings in 2026, including the most recent 10-K annual report filed on February 11, 2026, a 10-Q quarterly report filed on May 7, 2026, an 8-K current report filed on August 5, 2026. SignalX aggregates every new 10-K annual report, 10-Q quarterly report, 8-K current report, and Form 4 insider transaction for BLACK HILLS CORP /SD/ (BKH) (SEC CIK 1130464), with AI-powered section-by-section summaries updated daily.

10-Q: 31
10-K: 10
8-K: 7
SC 13G: 6

Latest 2026 SEC Filing Dates

10-K Annual Report
Feb 11, 2026
10-Q Quarterly Report
May 7, 2026
8-K Current Report
Aug 5, 2026

AI 10-K Annual Report Analysis
Latest 10-K (2025-12-31)

Risk Factors

  • Risk of significant income tax expense changes from IRS or state tax audits impacting deferred tax assets valuation
  • Potential earnings volatility from adjustments to deferred tax assets due to tax law changes or interpretations
  • Exposure to changes in federal and state income tax rates affecting consolidation of separate tax entities
  • No specific operational, geopolitical, competitive, or financial risks detailed in provided text

Business Overview

  • Core business: Regulated utility operations providing electric and natural gas services in multiple US states
  • New emphasis: Pending all-stock merger agreement with NorthWestern to create a larger utility serving 0.7 million electric and 1.5 million gas customers
  • Strategic shift: Expected geographic expansion across 8 states post-merger, increasing scale and customer base significantly
  • Quantitative metric: Serving 227,000 electric and 1,138,000 gas customers pre-merger, with extensive infrastructure including 1,386 MW generation and over 54,000 miles of gas pipelines
  • Noteworthy fact: Merger pending various regulatory approvals, aiming to close in second half of 2026 as a tax-free transaction

Management Discussion & Analysis

  • Revenue Electric Utilities $942.8M (+$66.7M YoY), Gas Utilities $1,382.8M (+$113.4M YoY), total operating income $537.5M (+$34.4M YoY)
  • Operating margin Electric Utilities 23.6% ($222.5M/ $942.8M) vs 26.6% (233.0M/876.1M), Gas Utilities 23.2% (320.8M/1,382.8M) vs 21.4% (271.3M/1,269.4M)
  • Best segment Gas Utilities operating income $320.8M (+$49.5M), worst Electric Utilities $222.5M (-$10.5M)
  • Cash flow operating activities $673.4M (-$45.9M YoY), investing activities outflow $828.2M (+$82.2M), financing activities inflow $321.8M (+$364.7M); capex $819.8M (+$75.6M), dividends paid $197.9M (+$15.6M), common stock issued $219.2M (+$37.8M)
  • Management plans refinancing $400M senior notes due Jan 2027, expects to file new shelf registration in 2026; key risk higher interest expense (+$18.4M), merger-related costs increasing Corporate loss ($4.6M)

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Annual Reports Archive
10-K

AI-powered analysis of BLACK HILLS CORP /SD/ (BKH) 10-K annual reports filed with SEC EDGAR.

Quarterly Reports Archive
10-Q

AI-powered analysis of BLACK HILLS CORP /SD/ (BKH) 10-Q quarterly reports filed with SEC EDGAR.

Financial Summary
XBRL

FY2023FY2024FY2025
Profitability
Revenue-$2.1B$2.3B
Operating Income-$503.1M$537.5M
Net Income$262.2M$273.1M$291.6M
Op. Margin-24.0%23.5%
Net Margin-13.0%12.8%
Balance Sheet
Total Assets$9.6B$10.0B$10.9B
Equity-$3.5B$3.8B
ROE-7.8%7.6%
Per Share
EPS$3.91$3.91$3.98
Cash Flow
Operating CF-$719.3M$673.4M
CapEx$555.6M$744.2M$819.8M

Source: XBRL financial data from BLACK HILLS CORP /SD/ (BKH) 10-K filings on SEC EDGAR. All figures in USD. Key metrics include revenue, net income, gross profit, gross profit margin, operating income, EPS (diluted), total assets, stockholders' equity, return on equity (ROE), operating cash flow, and capital expenditure.

Latest 2026 SEC Filings: 10-K, 10-Q, 8-K & Form 4

FormFiling DatePeriodAnalysisSEC
8-K
Aug 5, 2026---
8-K
May 15, 2026--
10-Q
May 7, 2026Mar 31, 2026-
8-K
May 6, 2026--
8-K
May 1, 2026---
8-K
Apr 2, 2026---
8-K
Feb 19, 2026--
10-K
Feb 11, 2026Dec 31, 2025Analysis
8-K
Feb 4, 2026--
10-Q
Nov 6, 2025Sep 30, 2025Analysis
10-Q
Jul 31, 2025Jun 30, 2025-
10-Q
May 8, 2025Mar 31, 2025-
10-K
Feb 12, 2025Dec 31, 2024-
10-Q
Nov 7, 2024Sep 30, 2024-
10-Q
Aug 1, 2024Jun 30, 2024-
10-Q
May 9, 2024Mar 31, 2024-
10-K
Feb 14, 2024Dec 31, 2023-
10-Q
Nov 2, 2023Sep 30, 2023-
10-Q
Aug 3, 2023Jun 30, 2023-
10-Q
May 4, 2023Mar 31, 2023-
10-K
Feb 14, 2023Dec 31, 2022-
10-Q
Nov 3, 2022Sep 30, 2022-
10-Q
Aug 4, 2022Jun 30, 2022-
10-Q
May 5, 2022Mar 31, 2022-
10-K
Feb 15, 2022Dec 31, 2021-

Frequently Asked Questions

What are the latest BKH SEC filings in 2026?

BLACK HILLS CORP /SD/ (BKH) has filed a 10-K annual report on February 11, 2026, a 10-Q quarterly report on May 7, 2026, an 8-K current report on August 5, 2026 with the SEC. SignalX tracks every new SEC EDGAR filing daily, including 10-K, 10-Q, 8-K, and Form 4 insider transactions, with AI-powered summaries of key sections.

When did BKH file its most recent 10-K annual report?

BLACK HILLS CORP /SD/ (BKH) filed its most recent 10-K annual report on February 11, 2026. The 10-K includes audited financial statements, business overview, risk factors, and management discussion, all available on SignalX with AI-generated summaries and XBRL financial data.

How do I view BKH 10-Q quarterly reports?

BLACK HILLS CORP /SD/ (BKH)'s most recent 10-Q quarterly report was filed on May 7, 2026. SignalX displays every BKH 10-Q with AI-generated summaries of the MD&A (Management Discussion & Analysis) and Risk Factors sections, plus links to the original SEC EDGAR document.

What 8-K current reports has BKH filed recently?

BLACK HILLS CORP /SD/ (BKH)'s most recent 8-K was filed on August 5, 2026. 8-K filings disclose material corporate events such as earnings releases, executive changes, mergers, and other significant developments. SignalX surfaces each 8-K with item-level summaries so you can quickly see what happened.

Where can I find BKH insider trading activity (Form 4)?

SignalX aggregates every BKH Form 4 insider transaction from SEC EDGAR. Form 4 reports show when officers, directors, and 10% shareholders buy or sell company stock, with transaction code, share count, and price per share.

How often does BKH file with the SEC?

BLACK HILLS CORP /SD/ (BKH) files a 10-K annual report once per year (typically within 60 days of fiscal year-end) and 10-Q quarterly reports three times per year. 8-K current reports are filed as needed when material events occur, and Form 4 insider transaction reports are due within two business days of a trade. SignalX monitors SEC EDGAR daily to surface every new BKH filing with AI-powered analysis.

What is the difference between 10-K, 10-Q, and 8-K SEC filings?

A 10-K is a comprehensive annual report with audited financials, business overview, and risk factors. A 10-Q is a shorter quarterly report with unaudited financials and management discussion. An 8-K is a current report filed when a material event occurs, such as earnings releases, executive changes, acquisitions, or other significant developments. SignalX provides AI-generated summaries for all three filing types for BLACK HILLS CORP /SD/ (BKH).

What is BKH's SEC CIK number?

BLACK HILLS CORP /SD/ (BKH)'s SEC CIK (Central Index Key) number is 1130464. The CIK is a unique identifier assigned by the SEC to every filing entity. You can use CIK 1130464 to look up all BKH filings on SEC EDGAR, or browse them here on SignalX with AI-powered analysis.

Where can I find BKH return on equity (ROE) and financial data?

SignalX extracts XBRL financial data from BLACK HILLS CORP /SD/ (BKH) 10-K annual filings, including revenue, net income, gross profit, operating income, EPS, total assets, stockholders' equity, and operating cash flow. Return on equity (ROE) can be derived from net income divided by stockholders' equity. Multi-year financial trends are displayed in the Financial Summary table above.

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