---
schema_version: "secwatch.filing_event.v1"
accession: "0001628280-25-039542"
form_type: "8-K"
ticker: "CTRI"
cik: "0001981599"
company_name: "Centuri Holdings, Inc."
filed_at: "2025-08-11T23:59:59+00:00"
generated_at: "2026-05-17T15:49:07.305254+00:00"
event_type: "other_material"
sentiment: "neutral"
materiality_score: 0.7
calibrated_materiality_score: 0.7
confidence: "high"
source: SEC EDGAR
---

# Southwest Gas completes secondary offering of 17.25M Centuri shares at $19.50; also sells 1.57M shares to Icahn

## Summary
- Southwest Gas sold 17,250,000 shares of Centuri common stock in public offering at $19.50 per share; also sold 1,573,500 shares to Icahn affiliates at same price in concurrent private placement.
- Net proceeds to Southwest Gas approx $325M from offering and $31M from private placement; Centuri received no proceeds.
- After closing, Southwest Gas owns 27,362,210 Centuri shares, approx 30.9% of total outstanding.
- Centuri granted resale registration rights to Icahn investors for shares purchased in private placement; lock-up on insiders for 30 days.

## SEC filing metadata
- accession: 0001628280-25-039542
- form_type: 8-K
- ticker: CTRI
- cik: 0001981599
- company_name: Centuri Holdings, Inc.
- filed_at: 2025-08-11T23:59:59+00:00
- event_type: other_material
- sentiment: neutral
- materiality_score: 0.7
- calibrated_materiality_score: 0.7
- confidence: high
- sec_items: 1.01, 8.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1981599/000162828025039542/0001628280-25-039542-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1981599/000162828025039542/ctri-20250806.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001628280-25-039542
- JSON: https://secwatch.observer/filing/0001628280-25-039542.json
- Plain text: https://secwatch.observer/filing/0001628280-25-039542.txt

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