Scott J. Montross - 05 May 2025 Form 4 Insider Report for NORTHWEST PIPE CO (NWPX)

Role: President & CEO
Signature: /s/ Megan Kendrick
Issuer symbol: NWPX
Transactions as of: 05 May 2025
Net transactions value: $0
Form type: 4
Filing time: 06 May 2025, 16:10:42 UTC
Previous filing: 02 Apr 2025
Next filing: 13 Nov 2025
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
MONTROSS SCOTT J	President & CEO	201 NE PARK PLAZA DRIVE, SUITE 100, VANCOUVER	/s/ Megan Kendrick	06 May 2025	0001228503

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	NWPX	Common Stock	Other		-8,869	-10%		76,991	05 May 2025	Direct	F1

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Underlying Class	Amount	Exercise Price	Ownership	Footnotes
holding	NWPX	Restricted Stock Units						15,585	05 May 2025	Common Stock	15,585		Direct	F2, F3
holding	NWPX	Performance Shares						46,752	05 May 2025	Common Stock	46,752		Direct	F4, F5

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	Shares were transferred as a non-sale transaction without monetary consideration pursuant to a domestic relations order in connection with a divorce settlement. The reporting person no longer has any pecuniary interest in these securities.
F2	Each Restricted Stock Unit represents a contingent right to receive one share of Northwest Pipe Company common stock.
F3	The Restricted Stock Units vest in installments in January 2026, 2027 and 2028.
F4	Performance Shares vest in an amount ranging from 0-200% to the extent such Performance Shares are earned. Performance Shares are earned based on Northwest Pipe Company's total EBITDA margin over the measurement period.
F5	The Performance Shares vest in installments in March of 2026, 2027 and 2028.