Black Hills Corporation filings document the formal disclosures of a South Dakota-based electric and natural gas utility with common stock listed on the New York Stock Exchange under BKH. Its SEC reports include Form 8-K updates on operating and financial results, rate-related regulatory matters, material agreements, debt obligations and other capital-structure events.
Proxy and shareholder-vote filings describe director elections, auditor ratification, executive compensation votes and governance matters. The filing record also covers registered common stock and exhibits such as earnings releases, investor presentations and financing documents.
Black Hills Corp executive Sarah Wiltse reported equity compensation and related tax withholding transactions. On February 6, 2026, she acquired 2,327 shares of common stock at $0 through a restricted stock grant under the company’s incentive compensation plan, bringing her direct holdings to 7,733 shares.
On February 7, 2026, 201.027 shares of common stock at $72.30 per share were withheld to cover taxes associated with restricted stock vesting, leaving her with 7,531.973 directly owned shares after these transactions.
Black Hills Corp. Chief Legal Officer Darren T. Nakata received 2,874 shares of common stock on February 6, 2026. The shares were acquired at $0.00 per share through a restricted stock grant under the company’s Incentive Compensation Plan, bringing his directly owned total to 7,495 shares.
Black Hills Corp. CITO Donald Lee Redden Jr. reported an equity award of company stock. On 02/06/2026, he acquired 1,642 shares of Black Hills Corp. common stock at a stated price of $0 per share, reflecting a restricted stock grant under the company’s Incentive Compensation Plan.
After this grant, Redden directly beneficially owned a total of 6,910 common shares. The transaction is classified as an acquisition of non-derivative securities and represents standard equity compensation for an executive officer.
Black Hills Corporation and NorthWestern Energy Group plan an all-stock merger in which each NorthWestern share will convert into 0.98 share of Black Hills common stock. NorthWestern will become a wholly owned subsidiary, and the combined company will adopt a new name before or at closing.
To complete the deal, Black Hills shareholders must approve issuing new shares, tripling authorized stock to 300 million, increasing authorized indebtedness to $20 billion, and a corporate name change. NorthWestern shareholders must adopt the Merger Agreement. Both special meetings are virtual on April 2, 2026, and there are no appraisal rights.
Black Hills Corporation furnished an update on its recent performance by announcing that it issued a press release covering financial results for the fourth quarter of 2025. The company also prepared an investor presentation to support these results.
The press release dated Feb. 4, 2026 is included as Exhibit 99.1, and a related presentation dated Feb. 5, 2026 is included as Exhibit 99.2. This information is furnished under Item 2.02 as results of operations and financial condition and is not deemed filed for liability purposes under the Securities Exchange Act.
Black Hills Corporation has filed an S-4 for an all-stock merger with NorthWestern Energy Group, creating a combined regulated utility to be renamed later. A Black Hills subsidiary will merge into NorthWestern, which will become a wholly owned subsidiary of Black Hills.
At closing, each share of NorthWestern common stock will be converted into the right to receive 0.98 share of Black Hills common stock. Both companies will hold virtual special shareholder meetings on April 2, 2026, where investors will vote on merger-related proposals, including Black Hills share authorization, name change and indebtedness limit increases, and NorthWestern’s merger approval.
The boards of both companies unanimously recommend voting in favor of their respective merger proposals. The deal is intended to qualify as a tax-free reorganization under Section 368(a) of the Internal Revenue Code and will be accounted for as an acquisition, with NorthWestern’s assets and liabilities recorded at fair value on Black Hills’ books.
Black Hills Corp. (BKH) disclosed an insider transaction on Form 4. The company’s SVP & CFO reported a sale of 14,500 shares of common stock at $70.70 on 11/10/2025 (transaction code S). Following the sale, the reporting person beneficially owned 34,620.509 shares directly and 4.459 shares indirectly through a 401(k). The filing indicates it was submitted by one reporting person.
Black Hills Corp (BKH) reported an insider equity award. The company’s Chief Legal Officer acquired 4,621 shares of common stock on 11/07/2025 through a restricted stock grant under the company’s Incentive Compensation Plan at a reported price of $0.
Following this grant, the officer beneficially owns 4,621 shares, held directly. This filing reflects an equity-based compensation award rather than an open‑market purchase or sale.
Black Hills Corporation reported Q3 results with revenue of $430.2 million, up from $401.6 million, and net income available to common stock of $24.9 million versus $24.4 million a year ago. Operating income was $78.7 million. Diluted EPS was $0.34 compared with $0.35. For the first nine months, revenue reached $1.674 billion and EPS was $2.58.
Regulatory outcomes are adding recurring revenue: Colorado Electric’s final CPUC decision lifts new annual revenue to approximately $17.5 million effective March 22, 2025; Kansas Gas settled for $10.8 million effective August 1, 2025; Iowa Gas’ black‑box settlement provides $15.0 million effective January 1, 2025. Nebraska Gas reached a settlement expected to generate $23.9 million annually, subject to NPSC approval, with rates targeted for January 1, 2026. Operating cash flow was $505.3 million for the nine months, supporting $550.2 million of capital additions. Common shares outstanding were 75,473,390 as of November 4, 2025.