6100 N WESTERN AVE, OKLAHOMA CITY, OK
Reports First Quarter 2026 Results
Annual Report to Security Holders
Director Retirement - John D. Gass Steps Down from Board
Appoints Marcel Teunissen Chief Financial Officer
Reports Fourth Quarter and Full-Year 2025 Results, Issues 2026 Outlook
Announces Headquarters Relocation to Houston and Appointment of Michael Wichterich as Interim CEO
Reports Third Quarter 2025 Results
News, Material Contracts
Q1
FY 2024
Q3
Q2
FY 2023
Notice of Suspension of Duty to File Reports
Prospectus Filed Pursuant to Rule 424(b)(2)
S-3ASR
Prospectus filed pursuant to Rule 424(b)(5)
Registration Statement for Securities to be Offered to Employees
Prospectus Filed Pursuant to Rule 425
Additional Proxy Materials
Definitive Proxy Statement
Amended Schedule 13G - Ownership Report
Statement of Changes in Beneficial Ownership
Schedule 13G - Ownership Report
Initial Statement of Beneficial Ownership
Notice of Proposed Sale of Securities
Specialized Disclosure Report