Flash FinanceUS
Market closed · weekend S&P 5007,376.86+0.31% Nasdaq24,579.42+1.09% Dow 3051,285.73-0.46% Russell 20002,754.11+0.89% Nasdaq-10026,989.99+1.35% MidCap 4003,602.50+0.56% SmallCap 6001,673.98+0.05% VIX25.64-9.01% 10Y Yield4.86+0.45% Close of Nov 06, 2026
AI brief of an SEC Form 8-K · One Gas (OGS)

ONE Gas chair John Gibson to retire May 2026; Deborah Hersman named successor

Neutral Impact 3 of 5 leadership Written later

ONE Gas said Board Chair John Gibson, 73, will retire from the board and as chair effective May 21, 2026, immediately after the annual shareholder meeting. The board elected director Deborah A. P. Hersman, 55, to succeed him as chair on the same effective date, and the board will shrink to eight members after Gibson leaves. The filing describes the retirement as not due to any disagreement with the company, so the change is a planned leadership transition rather than a shift in operations.

Key points

  • John W. Gibson, 73, has served on the board since 2014 and as chair since the company's 2014 inception; he retires effective May 21, 2026.
  • Deborah A. P. Hersman, 55, was elected chair on November 18, 2025, effective May 21, 2026; she has been a director since June 2023.
  • Hersman chairs the Corporate Governance Committee and previously led the National Transportation Safety Board.
  • Board size will be reduced to eight after Gibson's retirement.

The filing

CompanyOne Gas (OGS)
Form8-K, current report
Filed with the SECNov 18, 2025, 4:17 PM ET
Accession number0001193125-25-286182

Items reported: 5.02 Director / Officer Change7.01 Regulation FD Disclosure

Read the filing on SEC.gov ↗

Written by AI (Anthropic Claude, claude-haiku-5-5) on Nov 8, 2026, 1:05 AM ET, from the text of the filing and its press-release exhibits only. Written later: this filing was briefed after the fact, when past filings were added to the site, so the brief may be read with hindsight; the filing itself is the record of what was known on November 18, 2025.

Briefs are written by AI from the filing text (each brief's own page names the model) and can contain mistakes — open the filing before acting on anything. Impact (1-5) and tone are the model's reading of the filing for shareholders, not a price forecast. Not investment advice.