15 EAST FIFTH STREET, TULSA, OK
To Participate in American Gas Association Mini-Forum
ONE Gas, Inc. Enters $375 Million Underwriting Agreement for Senior Notes
Amendments to Articles of Incorporation or Bylaws
Financial Results, Reg. FD, Other Events
Adds New Member to Board of Directors
Second Quarter 2026 Conference Call and Webcast Scheduled
Annual Meeting Results: Directors Elected with Majority Votes
To Participate in Bank of America Power, Utilities and Cleantech Conference
Q2
Q1
FY 2024
Q3
FY 2023
Prospectus filed pursuant to Rule 424(b)(5)
Registration Statement for Securities to be Offered to Employees
S-3ASR
Registration of Securities
Certificate
Additional Proxy Materials
Definitive Proxy Statement
Statement of Changes in Beneficial Ownership
Schedule 13G - Ownership Report
Initial Statement of Beneficial Ownership
Annual Report of Employee Stock Purchase
Free Writing Prospectus
Prospectus Filed Pursuant to Rule 424(b)(1)