---
schema_version: "secwatch.filing_event.v1"
accession: "0001193125-25-181348"
form_type: "8-K/A"
ticker: "SWX"
cik: "0001692115"
company_name: "Southwest Gas Holdings, Inc."
filed_at: "2025-08-15T23:59:59+00:00"
generated_at: "2026-05-17T12:26:50.446980+00:00"
event_type: "other_material"
sentiment: "positive"
materiality_score: 0.85
calibrated_materiality_score: 0.85
confidence: "high"
source: SEC EDGAR
---

# Southwest Gas deconsolidates Centuri after selling 18.8M shares; retains 30.9% equity stake

## Summary
- Net proceeds of $353.9M from August 2025 secondary offering and private placement of Centuri common stock.
- Remaining 30.9% interest in Centuri will be accounted for as equity method investment; Centuri results classified as discontinued ops.
- Pro forma H1 2025 diluted EPS from continuing ops rises to $2.24 from $1.40, reflecting deconsolidation.
- Estimated pre-tax deconsolidation gain of $378.1M; after-tax gain of $287.4M to be recorded in Q3 2025.
- Pro forma total assets drop to $10.59B from $12.21B; long-term debt reduced by $890.6M to $3.96B.

## SEC filing metadata
- accession: 0001193125-25-181348
- form_type: 8-K/A
- ticker: SWX
- cik: 0001692115
- company_name: Southwest Gas Holdings, Inc.
- filed_at: 2025-08-15T23:59:59+00:00
- event_type: other_material
- sentiment: positive
- materiality_score: 0.85
- calibrated_materiality_score: 0.85
- confidence: high
- sec_items: 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1692115/000119312525181348/0001193125-25-181348-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1692115/000119312525181348/d21923d8ka.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001193125-25-181348
- JSON: https://secwatch.observer/filing/0001193125-25-181348.json
- Plain text: https://secwatch.observer/filing/0001193125-25-181348.txt

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