---
schema_version: "secwatch.filing_event.v1"
accession: "0001193125-26-302034"
form_type: "8-K"
ticker: "OGS"
cik: "0001587732"
company_name: "ONE Gas, Inc."
filed_at: "2026-07-13T20:15:15+00:00"
generated_at: "2026-07-13T20:16:12.640846+00:00"
event_type: "leadership"
sentiment: "neutral"
materiality_score: 0.3
calibrated_materiality_score: 0.3
confidence: "high"
source: SEC EDGAR
---

# ONE Gas appoints Nickolas Stavropoulos to board, expanding to nine members

## Summary
- Board expanded from 8 to 9 members; Stavropoulos appointed effective July 13, 2026.
- Stavropoulos, 68, is retired COO of PG&E and National Grid with 40+ years in energy.
- He will serve on Audit, Corporate Governance and Executive Compensation committees.
- Annual retainer of $105,000 prorated plus $140,000 stock retainer prorated.
- Stavropoulos also serves on Ameresco (NYSE: AMRC) board.

## SEC filing metadata
- accession: 0001193125-26-302034
- form_type: 8-K
- ticker: OGS
- cik: 0001587732
- company_name: ONE Gas, Inc.
- filed_at: 2026-07-13T20:15:15+00:00
- event_type: leadership
- sentiment: neutral
- materiality_score: 0.3
- calibrated_materiality_score: 0.3
- confidence: high
- sec_items: 5.02, 7.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1587732/000119312526302034/0001193125-26-302034-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1587732/000119312526302034/d25881d8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001193125-26-302034
- JSON: https://secwatch.observer/filing/0001193125-26-302034.json
- Plain text: https://secwatch.observer/filing/0001193125-26-302034.txt

## Key facts
- Executive change
  Nickolas Stavropoulos was appointed as Director at ONE Gas, Inc..
  - Action: appointed
  - Role: Director
  source text: On July 13, 2026, we expanded our Board of Directors from eight to nine members, and Nickolas Stavropoulos was appointed to the Board to fill the additional position.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1587732/000119312526302034/0001193125-26-302034-index.htm

This AI-assisted summary is a reading aid. Review the linked SEC EDGAR filing before relying on any specific claim.