Form 4 Filing for Centuri Holdings, Inc.

This SEC filing details a transaction by Dustin DeMaria, a director at Centuri Holdings, Inc. On September 18, 2026, DeMaria acquired 5,200 shares of the company's Common Stock through an open market purchase. The purchase price was $19.27 per share, resulting in a total transaction value of $100,204. Following this transaction, DeMaria’s total ownership of Common Stock increased to 12,936 shares. The filing was made on a Form 4, with the signature executed by Jenarae N. Garland as attorney-in-fact for Dustin DeMaria, dated September 21, 2026. A power of attorney document is also included, authorizing Danielle E. Hunter and Jenarae Garland to execute Section 16 reporting forms on behalf of the undersigned.