7001 MT RUSHMORE RD, RAPID CITY, SD
Subject to Receipt of Satisfactory Final Regulatory Approval and Completion of Proposed Merger, to be Renamed Bright Horizon Energy Corporation with Ticker Symbol 'HZN'
Executes Definitive Agreements to Serve Google’s Planned Data Center in Cheyenne, Wyoming
Reports Financial Results for the Second Quarter of 2026, UNAUDITED PRO FORMA CONDENSED COMBINED CONSOLIDATED FINANCIAL INFORMATION
Reports 2026 Second-Quarter Results and Reaffirms 2026 Earnings Guidance
Reports Strong Financial Results for the First Quarter of 2026, Unaudited Pro Forma Condensed Combined Consolidated Financial Information
Reaffirms 2026 Earnings Guidance, Reports 2026 First-Quarter Results, and Provides Updates on Merger with NorthWestern Energy and Data Center Progress
Shareholders Elect Three Class II Directors at Annual Meeting
Shareholders Approve Merger Proposals
Q2
Q1
FY 2024
Q3
FY 2023
Prospectus filed pursuant to Rule 424(b)(5)
S-3ASR
Prospectus filed pursuant to Rule 424(b)(3)
Effectiveness Notice
Prospectus Filed Pursuant to Rule 425
S-4
Definitive Proxy Statement
Additional Proxy Materials
Schedule 13G - Ownership Report
Annual Report of Employee Stock Purchase
Statement of Changes in Beneficial Ownership
Correspondence
Deregistration Letter
Free Writing Prospectus