Gregory A. Izenstark

CIK: 0002016667

Transaction Breakdown

Open Market Buys (P)0 (0.0%)

High conviction signal

Open Market Sales (S)0 (0.0%)

Position reduction

Option Exercises (M)2 (28.6%)

Derivative conversions

Awards (A)3 (42.9%)

Compensation grants

Other (G, F, J, C, D, …)2 (28.6%)

Gifts, tax withholding, conversions, dispositions to the issuer and other codes

Companies & Roles (1)

CTRI

Centuri Holdings, Inc.

Officer

Discretionary Trading P&L

Holdings

Transaction History (7 total)

CTRI
Centuri Holdings, Inc.
Feb 25, 2026
Tax Payment(F)
Direct
2.9K shares at avg. $30.96$89K
CTRI
Centuri Holdings, Inc.
Feb 17, 2026
Award(A)
Direct
11.3K shares-
CTRI
Centuri Holdings, Inc.
Feb 17, 2026
Exercise(M)
Direct
16.1K shares-
CTRI
Centuri Holdings, Inc.
May 12, 2025
Exercise(M)
Direct
40.4K shares-
CTRI
Centuri Holdings, Inc.
May 12, 2025
Tax Payment(F)
Direct
13.1K shares at avg. $19.53$255K
CTRI
Centuri Holdings, Inc.
Feb 25, 2025
Award(A)
Restricted Stock Units
Direct
30.7K shares-
CTRI
Centuri Holdings, Inc.
Feb 25, 2025
Award(A)
Performance Stock Units
Direct
46K shares-

		Type	Shares	Price		Ownership
Feb 25, 2026	CTRI Centuri Holdings, Inc.	Tax Payment(F)	2,868	$30.96	$88,793	Direct
Feb 17, 2026	CTRI Centuri Holdings, Inc.	Award(A)	11,309	-	$0	Direct
Feb 17, 2026	CTRI Centuri Holdings, Inc.	Exercise(M)	16,111	-	$0	Direct
May 12, 2025	CTRI Centuri Holdings, Inc.	Exercise(M)	40,404	-	-	Direct
May 12, 2025	CTRI Centuri Holdings, Inc.	Tax Payment(F)	13,071	$19.53	$255,277	Direct
Feb 25, 2025	CTRI Centuri Holdings, Inc.	Award(A) Restricted Stock Units	30,673	-	-	Direct
Feb 25, 2025	CTRI Centuri Holdings, Inc.	Award(A) Performance Stock Units	46,009	-	-	Direct

1-7 of 7 transactions

About Izenstark Gregory A.

Izenstark Gregory A. (SEC CIK 0002016667) files insider reports with the SEC as Chief Financial Officer of Centuri Holdings, Inc. (CTRI).

Signal8 holds 4 ownership filings by Izenstark Gregory A., all Form 4s, filed between Feb 27, 2025 and Feb 26, 2026. Those filings report 7 transactions, from Feb 25, 2025 to Feb 25, 2026. Signal8's Form 4 history starts in Sep 2024.

The business address on Izenstark Gregory A.'s filings is in PHOENIX, AZ.

Recent filings by Izenstark Gregory A.

Feb 25, 2026: Tax withholding of CTRI shares (Form 4, code F).
Feb 17, 2026: Grant or award of CTRI shares (Form 4, code A).
Feb 17, 2026: Option exercise of CTRI shares (Form 4, code M).
May 12, 2025: Option exercise of CTRI shares (Form 4, code M).
May 12, 2025: Tax withholding of CTRI shares (Form 4, code F).

Other insiders filing for Centuri Holdings, Inc. (CTRI)

How to read Form 4 transaction codes