Scott J. Montross - 04 Aug 2026 Form 4 Insider Report for NWPX Infrastructure, Inc. (NWPX)

Reporting relationship: President & CEO
Issuer ticker: NWPX
Reported as of: 04 Aug 2026
Net transaction value: -$321,546
SEC form: 4
Accepted by SEC: 05 Aug 2026, 17:22:31 UTC
Prior SEC filing: 02 Apr 2026
Source filing: View source filing
Reporting owner signature: /s/ Megan Kendrick

Key filing fact

Scott J. Montross filed Form 4 for NWPX Infrastructure, Inc. (NWPX) on 05 Aug 2026.

Key facts

This page summarizes Scott J. Montross's Form 4 filing for NWPX Infrastructure, Inc. (NWPX).
1 reported transaction and 2 derivative rows are listed below.
Accepted by SEC: 05 Aug 2026, 17:22.

Change

Previous filing in this sequence was filed on 02 Apr 2026.
Current net transaction value: -$321,546.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0001228503 Primary reporting owner

MONTROSS SCOTT J

Relationship: President & CEO
Address: 201 NE PARK PLAZA DRIVE, SUITE 100, VANCOUVER
Signature: /s/ Megan Kendrick
Signature date: 05 Aug 2026

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

NWPX transaction

Common Stock

Sale

Transaction value: $321,546
Shares: -2,500
Change %: -3.1%
Price: $128.62
Shares after: 78,629
Date: 04 Aug 2026
Ownership: Direct
Footnotes: F1, F2

Reported derivative securities

Options, warrants, convertible securities, or similar derivative positions disclosed in the filing.

NWPX holding Derivative

Restricted Stock Units

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 13,305
Date: 04 Aug 2026
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 13,305
Exercise price
Footnotes: F3, F4

NWPX holding Derivative

Performance Shares

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 39,916
Date: 04 Aug 2026
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 39,916
Exercise price
Footnotes: F5, F6

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Rule 10b5-1 trading plan

These transactions were reported as open-market trades under a Rule 10b5-1 plan. The plan lets an insider set trading instructions in advance, which can reduce the risk of trading while in possession of material nonpublic information.

Original filing language: transaction made pursuant to a contract, instruction, or written plan intended to satisfy Rule 10b5-1(c).

Explanation of responses 6 footnotes

Footnote F1

Adoption date of referenced 10b5-1(c) plan is: 05/05/2026

Footnote F2

This transaction was executed in multiple trades at prices ranging from $126.60 to $130.33 per share. The price reported reflects the weighted average sale price. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or to the staff of the SEC, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

Footnote F3

Each Restricted Stock Unit represents a contingent right to receive one share of NWPX common stock.

Footnote F4

The Restricted Stock Units vest in installments in January of 2027, 2028 and 2029.

Footnote F5

Performance Shares vest in an amount ranging from 0-200% to the extent such Performance Shares are earned. Performance Shares are earned based on NWPX's total EBITDA margin over the measurement period.

Footnote F6

The Performance Shares vest in installments in March of 2027, 2028 and 2029.