NWPX
NWPX Infrastructure, Inc. · Manufacturing · Market cap $1.0B
Insiders sold $2.9M net in the last 90 days ·5 sellers, 0 buyers· 14 of 14 sales under Rule 10b5-1 plans· latest Form 4 filed Sep 10, 2026
Insider Buying
$0
reported purchases (SEC code P)
Insider Selling
$6.3M
reported sales (SEC code S)
Unique Insiders
9
in the rolling window
Latest filing
Sep 10, 2026
Wilkins Aaron
NWPX Infrastructure, Inc. (NWPX) has 47 SEC Form 4 filings (115 transaction rows) in the rolling window, disclosed by 9 distinct insiders. Most recent filing: Sep 10, 2026.
Inside the rolling window, 9 insiders at NWPX Infrastructure, Inc. reported no open-market purchases and 28 open-market sales totaling $6.3M. The most active filer is President & CEO MONTROSS SCOTT J with 9 filings. Insiders have net sold $4.2M over the trailing 6 months. The most recent open-market filing is a sale of 1,500 shares by CFO Wilkins Aaron, dated Sep 8, 2026, worth $160K.
- Industry:Construction Materials
- CEO:Scott J. Montross
- Employees:1,318
- HQ:Vancouver, WA, US
- IPO:1995-11-30
| Source | |||||||
|---|---|---|---|---|---|---|---|
| CFO | Sale | 1,500 | $160K | Sep 10 | — | SEC ↗ | |
ROMAN RICHARD AFirst filing | Director | Sale | 4,000 | $423K | Sep 10 | — | SEC ↗ |
| Director | Sale | 4 | $443 | Sep 4 | -0.6% | SEC ↗ | |
| Director | Sale | 74 | $8K | Sep 3 | -3.0% | SEC ↗ | |
| Director | Sale | 1,172 | $129K | Sep 2 | -2.6% | SEC ↗ | |
| President & CEO | Sale | 1,227 | $136K | Sep 2 | -2.6% | SEC ↗ | |
Wray MichaelFirst filing | Executive Vice President | Sale | 4,500 | $499K | Aug 28 | -4.5% | SEC ↗ |
| President & CEO | Sale | 2,500 | $273K | Aug 25 | -3.2% | SEC ↗ | |
| Director | Sale | 1,250 | $138K | Aug 25 | -3.2% | SEC ↗ | |
| President & CEO | Sale | 2,500 | $288K | Aug 18 | -5.9% | SEC ↗ | |
LARSON KEITH RFirst in 8 months | Director | Sale | 1,250 | $145K | Aug 18 | — | SEC ↗ |
| President & CEO | Sale | 2,500 | $297K | Aug 11 | — | SEC ↗ | |
Wilkins AaronFirst in 8 months | CFO | Sale | 428 | $51K | Aug 11 | — | SEC ↗ |
MONTROSS SCOTT JFirst in 4 months | President & CEO | Sale | 2,500 | $322K | Aug 5 | — | SEC ↗ |
| President & CEO | Sale | 2,056 | $158K | Mar 31 | — | SEC ↗ | |
| Executive Vice President | Sale | 3,300 | $234K | Mar 23 | — | SEC ↗ | |
| President & CEO | Sale | 5,000 | $360K | Mar 23 | — | SEC ↗ | |
Julian AmandaFirst filing | Director | Sale | 3,473 | $250K | Mar 17 | — | SEC ↗ |
Brittain MilesFirst in 4 months | Executive Vice President | Sale | 4,000 | $284K | Mar 16 | — | SEC ↗ |
MONTROSS SCOTT JFirst in 4 months | President & CEO | Sale | 2,500 | $181K | Mar 10 | — | SEC ↗ |
Kendrick Megan A.First filing | Sr. VP of Human Resources | Sale | 4,500 | $363K | Mar 6 | — | SEC ↗ |
| CFO | Sale | 35 | $2K | Dec 16 | — | SEC ↗ | |
FRANSON MICHAEL CFirst filing | Director | Sale | 5,506 | $331K | Dec 11 | — | SEC ↗ |
Wilkins AaronFirst filing | CFO | Sale | 5,009 | $300K | Dec 10 | — | SEC ↗ |
Wilkins AaronFirst filing | CFO | Sale | 1,241 | $75K | Dec 10 | — | SEC ↗ |
Earnings: last 7 quarters
Frequently asked questions
How many SEC Form 4 insider filings does NWPX have?
NWPX Infrastructure, Inc. (NWPX) has 47 SEC Form 4 filings (115 transaction rows) in the rolling 365-day window, disclosed by 9 distinct insiders. Most recent filing: Sep 10, 2026.
When was the most recent SEC Form 4 filing for NWPX?
The most recent Form 4 filing for NWPX on Tracefour is dated Sep 10, 2026.
Who is the most active insider at NWPX?
The most active SEC Form 4 filer at NWPX in the rolling window is President & CEO MONTROSS SCOTT J, with 9 filings.
What is the net insider flow at NWPX over the last 6 months?
Over the trailing 180 days, insiders at NWPX have net sold $4.2M based on SEC Form 4 disclosures.
What is the total insider buy and sell value at NWPX in the current window?
Inside the rolling window, insiders at NWPX bought $0 and sold $6.3M based on SEC Form 4 filings.
Can I get alerts for NWPX insider trading?
Yes. Tracefour sends a free email when a new SEC Form 4 purchase or sale is filed at NWPX Infrastructure, Inc. (NWPX). Alerts are set per company from the page itself, there is no paid tier, and each email links to the original filing on SEC EDGAR.
Related companies
NWPX Infrastructure, Inc. is in the Manufacturing sector.