Keith R. Larson - 17 Aug 2026 Form 4 Insider Report for NWPX Infrastructure, Inc. (NWPX)

Reporting relationship: Director
Issuer ticker: NWPX
Reported as of: 17 Aug 2026
Net transaction value: -$144,829
SEC form: 4
Accepted by SEC: 18 Aug 2026, 14:58:18 UTC
Prior SEC filing: 12 Jun 2026
Source filing: View source filing
Reporting owner signature: /s/ Megan Kendrick

Key filing fact

Keith R. Larson filed Form 4 for NWPX Infrastructure, Inc. (NWPX) on 18 Aug 2026.

Key facts

This page summarizes Keith R. Larson's Form 4 filing for NWPX Infrastructure, Inc. (NWPX).
1 reported transaction and 0 derivative rows are listed below.
Accepted by SEC: 18 Aug 2026, 14:58.

Change

Previous filing in this sequence was filed on 12 Jun 2026.
Current net transaction value: -$144,829.

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 0001401658 Primary reporting owner

LARSON KEITH R

Relationship: Director
Address: 201 NE PARK PLAZA DRIVE SUITE 100, VANCOUVER
Signature: /s/ Megan Kendrick
Signature date: 18 Aug 2026

Reported non-derivative transactions

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

NWPX transaction

Common Stock

Sale

Transaction value: $144,829
Shares: -1,250
Change %: -5.6%
Price: $115.86
Shares after: 21,133
Date: 17 Aug 2026
Ownership: Direct
Footnotes: F1, F2

^* 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 2 footnotes

Footnote F1

Adoption date of referenced 10b5-1(c) plan is: 05-18-2026

Footnote F2

This transaction was executed in multiple trades at prices ranging from $114.50 to $117.42 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.