---
schema_version: "secwatch.filing_event.v1"
accession: "0001628280-25-027347"
form_type: "8-K"
ticker: "CTRI"
cik: "0001981599"
company_name: "Centuri Holdings, Inc."
filed_at: "2025-05-22T23:59:59+00:00"
generated_at: "2026-05-20T18:59:51.380483+00:00"
event_type: "other_material"
sentiment: "neutral"
materiality_score: 0.6
calibrated_materiality_score: 0.6
confidence: "high"
source: SEC EDGAR
---

# Southwest Gas sells 10.35M shares of Centuri at $17.50 in secondary offering; Icahn acquires 2.86M shares concurrently

## Summary
- Southwest Gas sold 10.35M shares of Centuri common stock in public offering at $17.50/share, including full over-allotment.
- Concurrent private placement: Southwest Gas sold 2.86M shares to Icahn entities at same $17.50 price, raising ~$50M.
- Net proceeds to Southwest Gas from public offering ~$175M after underwriting discounts; Centuri received $0.
- After closing, Southwest Gas owns 58.46M shares, ~65.9% of Centuri outstanding.
- Centuri granted Icahn resale registration rights for private placement shares, to be registered within 181 days.

## SEC filing metadata
- accession: 0001628280-25-027347
- form_type: 8-K
- ticker: CTRI
- cik: 0001981599
- company_name: Centuri Holdings, Inc.
- filed_at: 2025-05-22T23:59:59+00:00
- event_type: other_material
- sentiment: neutral
- materiality_score: 0.6
- calibrated_materiality_score: 0.6
- confidence: high
- sec_items: 1.01, 8.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1981599/000162828025027347/0001628280-25-027347-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1981599/000162828025027347/ctri-20250519.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001628280-25-027347
- JSON: https://secwatch.observer/filing/0001628280-25-027347.json
- Plain text: https://secwatch.observer/filing/0001628280-25-027347.txt

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