NWPX Infrastructure Inc is a manufacturer of water-related infrastructure products, and operates in two segments, Water Transmission Systems (WTS), operating as the Northwest Pipe Company brand, and Precast Infrastructure and Engineered Systems (Precast), which includes the brands NWPX Geneva and NWPX Park. WTS manufactures large-diameter, high-pressure steel pipeline systems for use in water infrastructure applications, which are related to drinking water systems. Precast manufactures stormwater and wastewater technology products, high-quality precast and reinforced concrete products, including reinforced concrete pipe (RCP), manholes, box culverts, vaults, and catch basins, pump lift stations, oil water separators, biofiltration units, and other environmental and engineered solutions.
| Form 4 transaction type | Transactions | Shares | Total value |
|---|---|---|---|
| Open-market sale | 8 | 17,428 | $2.01M |
| Grant or award | 6 | 5,394 | |
| Bona-fide gift | 1 | 600 |
Dollar totals are shown for open-market purchases and sales only. Grants, option exercises, gifts and tax withholding are reported by share count because they are not trades at a market price.
65 Form 4 filings on record, the earliest from Oct 16, 2024, newest first. Filing history page 1 of 3.
| Date | Insider | Transaction | Security | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Michael Wray - Officer | Open-market sale | Common Stock | 4,500 | $110.94 | $499K | |
| Michael Wray - Officer | Gift | Common Stock | 600 | $0.00 | - | |
| Keith R. Larson - Director | Open-market sale | Common Stock | 1,250 | $110.32 | $138K | |
| Scott J. Montross - Officer | Open-market sale | Common Stock | 2,500 | $109.37 | $273K | |
| Scott J. Montross - Officer | Open-market sale | Common Stock | 2,500 | $115.13 | $288K | |
| Keith R. Larson - Director | Open-market sale | Common Stock | 1,250 | $115.86 | $145K | |
| Scott J. Montross - Officer | Open-market sale | Common Stock | 2,500 | $118.74 | $297K | |
| Aaron Wilkins - Officer | Open-market sale | Common Stock | 428 | $120.00 | $51K | |
| Scott J. Montross - Officer | Open-market sale | Common Stock | 2,500 | $128.62 | $322K | |
| Irma Lockridge - Director | Grant or award | Common Stock | 899 | $122.31 | $110K | |
| John Paschal - Director | Grant or award | Common Stock | 899 | $122.31 | $110K | |
| Keith R. Larson - Director | Grant or award | Common Stock | 899 | $122.31 | $110K | |
| Amanda Julian - Director | Grant or award | Common Stock | 899 | $122.31 | $110K | |
| Michael C. Franson - Director | Grant or award | Common Stock | 899 | $122.31 | $110K | |
| Richard A. Roman - Director | Grant or award | Common Stock | 899 | $122.31 | $110K | |
| Megan A. Kendrick - Officer | Option exercise | Common Stock | 2,225 | - | - | |
| Megan A. Kendrick - Officer | Tax withholding / forfeiture | Common Stock | 875 | $77.86 | $68K | |
| Megan A. Kendrick - Officer | Option exercise | Common Stock | 2,148 | - | - | |
| Megan A. Kendrick - Officer | Tax withholding / forfeiture | Common Stock | 845 | $77.86 | $66K | |
| Megan A. Kendrick - Officer | Option exercise | Common Stock | 1,531 | - | - | |
| Megan A. Kendrick - Officer | Tax withholding / forfeiture | Common Stock | 602 | $77.86 | $47K | |
| Megan A. Kendrick - Officer | Option exercise | Performance Shares | 1,902 | - | - | |
| Megan A. Kendrick - Officer | Option exercise | Performance Shares | 1,652 | - | - | |
| Megan A. Kendrick - Officer | Option exercise | Performance Shares | 1,405 | - | - | |
| Eric Stokes - Officer | Option exercise | Common Stock | 3,373 | - | - | |
| Eric Stokes - Officer | Tax withholding / forfeiture | Common Stock | 1,327 | $77.86 | $103K | |
| Eric Stokes - Officer | Option exercise | Common Stock | 3,254 | - | - | |
| Eric Stokes - Officer | Tax withholding / forfeiture | Common Stock | 1,280 | $77.86 | $100K | |
| Eric Stokes - Officer | Option exercise | Common Stock | 2,320 | - | - | |
| Eric Stokes - Officer | Tax withholding / forfeiture | Common Stock | 912 | $77.86 | $71K | |
| Eric Stokes - Officer | Option exercise | Performance Shares | 2,883 | - | - | |
| Eric Stokes - Officer | Option exercise | Performance Shares | 2,503 | - | - | |
| Eric Stokes - Officer | Option exercise | Performance Shares | 2,128 | - | - | |
| Jesus Tanguis - Officer | Option exercise | Common Stock | 851 | - | - | |
| Jesus Tanguis - Officer | Tax withholding / forfeiture | Common Stock | 245 | $77.86 | $19K | |
| Jesus Tanguis - Officer | Option exercise | Performance Shares | 955 | - | - | |
| Jesus Tanguis - Officer | Option exercise | Performance Shares | 781 | - | - | |
| Jesus Tanguis - Officer | Option exercise | Common Stock | 1,242 | - | - | |
| Jesus Tanguis - Officer | Tax withholding / forfeiture | Common Stock | 358 | $77.86 | $28K | |
| Michael Wray - Officer | Option exercise | Common Stock | 3,221 | - | - | |
| Michael Wray - Officer | Tax withholding / forfeiture | Common Stock | 1,267 | $77.86 | $99K | |
| Michael Wray - Officer | Option exercise | Common Stock | 3,254 | - | - | |
| Michael Wray - Officer | Tax withholding / forfeiture | Common Stock | 1,280 | $77.86 | $100K | |
| Michael Wray - Officer | Option exercise | Common Stock | 2,320 | - | - | |
| Michael Wray - Officer | Tax withholding / forfeiture | Common Stock | 912 | $77.86 | $71K | |
| Michael Wray - Officer | Option exercise | Performance Shares | 2,753 | - | - | |
| Michael Wray - Officer | Option exercise | Performance Shares | 2,503 | - | - | |
| Michael Wray - Officer | Option exercise | Performance Shares | 2,128 | - | - | |
| Aaron Wilkins - Officer | Option exercise | Common Stock | 3,758 | - | - | |
| Aaron Wilkins - Officer | Tax withholding / forfeiture | Common Stock | 1,478 | $77.86 | $115K | |
| Aaron Wilkins - Officer | Option exercise | Common Stock | 3,748 | - | - | |
| Aaron Wilkins - Officer | Tax withholding / forfeiture | Common Stock | 1,474 | $77.86 | $115K | |
| Aaron Wilkins - Officer | Option exercise | Common Stock | 2,826 | - | - | |
| Aaron Wilkins - Officer | Tax withholding / forfeiture | Common Stock | 1,112 | $77.86 | $87K | |
| Aaron Wilkins - Officer | Option exercise | Performance Shares | 3,212 | - | - | |
| Aaron Wilkins - Officer | Option exercise | Performance Shares | 2,883 | - | - | |
| Aaron Wilkins - Officer | Option exercise | Performance Shares | 2,593 | - | - | |
| Miles Brittain - Officer | Option exercise | Common Stock | 3,758 | - | - | |
| Miles Brittain - Officer | Tax withholding / forfeiture | Common Stock | 1,478 | $77.86 | $115K | |
| Miles Brittain - Officer | Option exercise | Common Stock | 3,748 | - | - | |
| Miles Brittain - Officer | Tax withholding / forfeiture | Common Stock | 1,474 | $77.86 | $115K | |
| Miles Brittain - Officer | Option exercise | Common Stock | 2,826 | - | - | |
| Miles Brittain - Officer | Tax withholding / forfeiture | Common Stock | 1,112 | $77.86 | $87K | |
| Miles Brittain - Officer | Option exercise | Performance Shares | 3,212 | - | - | |
| Miles Brittain - Officer | Option exercise | Performance Shares | 2,883 | - | - | |
| Miles Brittain - Officer | Option exercise | Performance Shares | 2,593 | - | - | |
| Miles Brittain - Officer | Tax withholding / forfeiture | Performance Shares | 8,073 | - | - | |
| Scott J. Montross - Officer | Option exercise | Common Stock | 10,069 | - | - | |
| Scott J. Montross - Officer | Tax withholding / forfeiture | Common Stock | 3,962 | $77.86 | $308K | |
| Scott J. Montross - Officer | Option exercise | Common Stock | 10,079 | - | - | |
| Scott J. Montross - Officer | Tax withholding / forfeiture | Common Stock | 3,966 | $77.86 | $309K | |
| Scott J. Montross - Officer | Option exercise | Common Stock | 8,224 | - | - | |
| Scott J. Montross - Officer | Tax withholding / forfeiture | Common Stock | 3,236 | $77.86 | $252K | |
| Scott J. Montross - Officer | Option exercise | Performance Shares | 8,606 | - | - | |
| Scott J. Montross - Officer | Option exercise | Performance Shares | 7,753 | - | - | |
| Scott J. Montross - Officer | Option exercise | Performance Shares | 7,545 | - | - | |
| Scott J. Montross - Officer | Open-market sale | Common Stock | 2,056 | $76.85 | $158K | |
| Scott J. Montross - Officer | Open-market sale | Common Stock | 2,500 | $72.48 | $181K | |
| Jesus Tanguis - Officer | Grant or award | Restricted Stock | 1,195 | - | - | |
| Jesus Tanguis - Officer | Grant or award | Performance Shares | 3,584 | - | - | |
| Miles Brittain - Officer | Open-market sale | Common Stock | 3,300 | $70.89 | $234K | |
| Amanda Julian - Director | Open-market sale | Common Stock | 3,473 | $71.98 | $250K | |
| Scott J. Montross - Officer | Open-market sale | Common Stock | 2,500 | $71.44 | $179K | |
| Megan A. Kendrick - Officer | Grant or award | Restricted Stock | 863 | - | - | |
| Megan A. Kendrick - Officer | Grant or award | Performance Shares | 2,588 | - | - | |
| Miles Brittain - Officer | Open-market sale | Common Stock | 4,000 | $71.01 | $284K | |
| Eric Stokes - Officer | Grant or award | Restricted Stock | 1,399 | - | - | |
| Eric Stokes - Officer | Grant or award | Performance Shares | 4,198 | - | - |
A Form 144 is notice of an INTENDED sale, not a completed one. It often precedes the Form 4 that reports the trade actually happening.
| Filed | Filer | Relationship | Shares | Market value | Notice |
|---|---|---|---|---|---|
| Wray Michael | Officer | 4,500 | $497K | View on EDGAR | |
| LARSON KEITH R | Director | 1,250 | $138K | View on EDGAR | |
| LARSON KEITH R | Director | 1,250 | $145K | View on EDGAR |
NWPX Infrastructure, Inc. (NWPX) had 14 insider filings in the last 90 days, with the most recent on 2026-08-28. The full record for NWPX runs to 65 Form 4 filings, the earliest from 2024-10-16. InsiderAlpha tracks every Form 4, Form 144, and 8-K filing in real time.
No insider purchases of NWPX were filed in the last 90 days.
8 insider sales of NWPX were filed in the last 90 days, totaling $2.01M.
This page tracks NWPX Form 4 insider transactions, Form 144 sale notices, and 8-K material event disclosures in one timeline. Annual 10-K and quarterly 10-Q reports live on the company's SEC EDGAR page.
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Every Form 4 below links to the original document on SEC EDGAR, so the numbers on this page can be checked against the filing they came from.
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