NWPX Infrastructure, Inc. (NWPX)

Data as of Oct 6, 2026, from SEC Form 4 filings.

Net insider selling (90d)Watch NWPX

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Latest NWPX insider trades

Eric Stokes - Officer
Open-market sale$1.34M
Oct 2, 2026

About NWPX Infrastructure, Inc. (NWPX)

The SEC lists NWPX Infrastructure, Inc. under CIK 0001001385, in steel pipe and tubes. We track it alongside the rest of the Materials sector.

Sector: Materials

SEC filings for NWPX on EDGAR

NWPX Form 4 activity by transaction type, last 90 days

Form 4 transaction type	Transactions	Shares	Total value
Open-market sale	24	60,109	$6.49M
Bona-fide gift	3	1,700

Dollar totals cover purchases and sales only (codes P and S). Grants, option exercises, gifts and tax withholding are counted in shares, because none of them is a trade at a market price.

NWPX insider transactions (Form 4)

138

82 Form 4 filings on record, the earliest from Oct 16, 2024, newest first. Filing history page 2 of 3.

Date	Insider	Transaction	Security	Shares	Price	Value
Jun 10, 2026	Richard A. Roman - Director	Grant or award	Common Stock	899	$122.31	$110K
Mar 31, 2026	Megan A. Kendrick - Officer	Option exercise	Common Stock	2,225	-^{footnote F1}	-
Mar 31, 2026	Megan A. Kendrick - Officer	Tax withholding / forfeiture	Common Stock	875^{footnote F2}	$77.86	$68K
Mar 31, 2026	Megan A. Kendrick - Officer	Option exercise	Common Stock	2,148	-^{footnote F1}	-
Mar 31, 2026	Megan A. Kendrick - Officer	Tax withholding / forfeiture	Common Stock	845^{footnote F2}	$77.86	$66K
Mar 31, 2026	Megan A. Kendrick - Officer	Option exercise	Common Stock	1,531	-^{footnote F1}	-
Mar 31, 2026	Megan A. Kendrick - Officer	Tax withholding / forfeiture	Common Stock	602^{footnote F2}	$77.86	$47K
Mar 31, 2026	Megan A. Kendrick - Officer	Option exercise	Performance Shares	1,902	-^{footnote F3}	-
Mar 31, 2026	Megan A. Kendrick - Officer	Option exercise	Performance Shares	1,652	-^{footnote F3}	-
Mar 31, 2026	Megan A. Kendrick - Officer	Option exercise	Performance Shares	1,405	-^{footnote F3}	-
Footnote F1 (price): Represents shares acquired pursuant to the vesting of Performance Shares. Footnote F2 (shares): Represents shares withheld by the issuer for payment of taxes incurred upon vesting event consistent with company policy. Footnote F3 (price): 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.
Mar 31, 2026	Eric Stokes - Officer	Option exercise	Common Stock	3,373	-^{footnote F1}	-
Mar 31, 2026	Eric Stokes - Officer	Tax withholding / forfeiture	Common Stock	1,327^{footnote F2}	$77.86	$103K
Mar 31, 2026	Eric Stokes - Officer	Option exercise	Common Stock	3,254	-^{footnote F1}	-
Mar 31, 2026	Eric Stokes - Officer	Tax withholding / forfeiture	Common Stock	1,280^{footnote F2}	$77.86	$100K
Mar 31, 2026	Eric Stokes - Officer	Option exercise	Common Stock	2,320	-^{footnote F1}	-
Mar 31, 2026	Eric Stokes - Officer	Tax withholding / forfeiture	Common Stock	912^{footnote F2}	$77.86	$71K
Mar 31, 2026	Eric Stokes - Officer	Option exercise	Performance Shares	2,883	-^{footnote F3}	-
Mar 31, 2026	Eric Stokes - Officer	Option exercise	Performance Shares	2,503	-^{footnote F3}	-
Mar 31, 2026	Eric Stokes - Officer	Option exercise	Performance Shares	2,128	-^{footnote F3}	-
Footnote F1 (price): Represents shares acquired pursuant to the vesting of Performance Shares. Footnote F2 (shares): Represents shares withheld by the issuer for payment of taxes incurred upon vesting event consistent with company policy. Footnote F3 (price): 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.
Mar 31, 2026	Jesus Tanguis - Officer	Option exercise	Common Stock	851	-^{footnote F1}	-
Mar 31, 2026	Jesus Tanguis - Officer	Tax withholding / forfeiture	Common Stock	245^{footnote F2}	$77.86	$19K
Mar 31, 2026	Jesus Tanguis - Officer	Option exercise	Performance Shares	955	-^{footnote F3}	-
Mar 31, 2026	Jesus Tanguis - Officer	Option exercise	Performance Shares	781	-^{footnote F3}	-
Mar 31, 2026	Jesus Tanguis - Officer	Option exercise	Common Stock	1,242	-^{footnote F1}	-
Mar 31, 2026	Jesus Tanguis - Officer	Tax withholding / forfeiture	Common Stock	358^{footnote F2}	$77.86	$28K
Footnote F1 (price): Represents shares acquired pursuant to the vesting of Performance Shares. Footnote F2 (shares): Represents shares withheld by the issuer for payment of taxes incurred upon vesting event consistent with company policy. Footnote F3 (price): 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.
Mar 31, 2026	Michael Wray - Officer	Option exercise	Common Stock	3,221	-^{footnote F1}	-
Mar 31, 2026	Michael Wray - Officer	Tax withholding / forfeiture	Common Stock	1,267^{footnote F2}	$77.86	$99K
Mar 31, 2026	Michael Wray - Officer	Option exercise	Common Stock	3,254	-^{footnote F1}	-
Mar 31, 2026	Michael Wray - Officer	Tax withholding / forfeiture	Common Stock	1,280^{footnote F2}	$77.86	$100K
Mar 31, 2026	Michael Wray - Officer	Option exercise	Common Stock	2,320	-^{footnote F1}	-
Mar 31, 2026	Michael Wray - Officer	Tax withholding / forfeiture	Common Stock	912^{footnote F2}	$77.86	$71K
Mar 31, 2026	Michael Wray - Officer	Option exercise	Performance Shares	2,753	-^{footnote F3}	-
Mar 31, 2026	Michael Wray - Officer	Option exercise	Performance Shares	2,503	-^{footnote F3}	-
Mar 31, 2026	Michael Wray - Officer	Option exercise	Performance Shares	2,128	-^{footnote F3}	-
Footnote F1 (price): Represents shares acquired pursuant to the vesting of Performance Shares. Footnote F2 (shares): Represents shares withheld by the issuer for payment of taxes incurred upon vesting event consistent with company policy. Footnote F3 (price): 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.
Mar 31, 2026	Aaron Wilkins - Officer	Option exercise	Common Stock	3,758	-^{footnote F1}	-
Mar 31, 2026	Aaron Wilkins - Officer	Tax withholding / forfeiture	Common Stock	1,478^{footnote F2}	$77.86	$115K
Mar 31, 2026	Aaron Wilkins - Officer	Option exercise	Common Stock	3,748	-^{footnote F1}	-
Mar 31, 2026	Aaron Wilkins - Officer	Tax withholding / forfeiture	Common Stock	1,474^{footnote F2}	$77.86	$115K
Mar 31, 2026	Aaron Wilkins - Officer	Option exercise	Common Stock	2,826	-^{footnote F1}	-
Mar 31, 2026	Aaron Wilkins - Officer	Tax withholding / forfeiture	Common Stock	1,112^{footnote F2}	$77.86	$87K
Mar 31, 2026	Aaron Wilkins - Officer	Option exercise	Performance Shares	3,212	-^{footnote F3}	-
Mar 31, 2026	Aaron Wilkins - Officer	Option exercise	Performance Shares	2,883	-^{footnote F3}	-
Mar 31, 2026	Aaron Wilkins - Officer	Option exercise	Performance Shares	2,593	-^{footnote F3}	-
Footnote F1 (price): Represents shares acquired pursuant to the vesting of Performance Shares. Footnote F2 (shares): Represents shares withheld by the issuer for payment of taxes incurred upon vesting event consistent with company policy. Footnote F3 (price): 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.
Mar 31, 2026	Miles Brittain - Officer	Option exercise	Common Stock	3,758	-^{footnote F1}	-
Mar 31, 2026	Miles Brittain - Officer	Tax withholding / forfeiture	Common Stock	1,478^{footnote F3}	$77.86	$115K
Mar 31, 2026	Miles Brittain - Officer	Option exercise	Common Stock	3,748	-^{footnote F1}	-
Mar 31, 2026	Miles Brittain - Officer	Tax withholding / forfeiture	Common Stock	1,474^{footnote F3}	$77.86	$115K
Mar 31, 2026	Miles Brittain - Officer	Option exercise	Common Stock	2,826	-^{footnote F1}	-
Mar 31, 2026	Miles Brittain - Officer	Tax withholding / forfeiture	Common Stock	1,112^{footnote F3}	$77.86	$87K
Mar 31, 2026	Miles Brittain - Officer	Option exercise	Performance Shares	3,212	-^{footnote F4}	-
Mar 31, 2026	Miles Brittain - Officer	Option exercise	Performance Shares	2,883	-^{footnote F4}	-
Mar 31, 2026	Miles Brittain - Officer	Option exercise	Performance Shares	2,593	-^{footnote F4}	-
Mar 31, 2026	Miles Brittain - Officer	Tax withholding / forfeiture	Performance Shares	8,073	-^{footnote F4}	-
Footnote F1 (price): Represents shares acquired pursuant to the vesting of Performance Shares. Footnote F3 (shares): Represents shares withheld by the issuer for payment of taxes incurred upon vesting event consistent with company policy. Footnote F4 (price): 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.
Mar 31, 2026	Scott J. Montross - Officer	Option exercise	Common Stock	10,069	-^{footnote F1}	-
Mar 31, 2026	Scott J. Montross - Officer	Tax withholding / forfeiture	Common Stock	3,962^{footnote F2}	$77.86	$308K
Mar 31, 2026	Scott J. Montross - Officer	Option exercise	Common Stock	10,079	-^{footnote F1}	-
Mar 31, 2026	Scott J. Montross - Officer	Tax withholding / forfeiture	Common Stock	3,966^{footnote F2}	$77.86	$309K
Mar 31, 2026	Scott J. Montross - Officer	Option exercise	Common Stock	8,224	-^{footnote F1}	-
Mar 31, 2026	Scott J. Montross - Officer	Tax withholding / forfeiture	Common Stock	3,236^{footnote F2}	$77.86	$252K
Mar 31, 2026	Scott J. Montross - Officer	Option exercise	Performance Shares	8,606	-^{footnote F3}	-
Mar 31, 2026	Scott J. Montross - Officer	Option exercise	Performance Shares	7,753	-^{footnote F3}	-
Mar 31, 2026	Scott J. Montross - Officer	Option exercise	Performance Shares	7,545	-^{footnote F3}	-
Footnote F1 (price): Represents shares acquired pursuant to the vesting of Performance Shares. Footnote F2 (shares): Represents shares withheld by the issuer for payment of taxes incurred upon vesting event consistent with company policy. Footnote F3 (price): 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.
Mar 30, 2026	Scott J. Montross - Officer	Open-market sale	Common Stock	2,056^{footnote F1}	$76.85^{footnote F2}	$158K
Footnote F1 (shares): Adoption date of referenced 10b5-1(c) plan is: 12/03/2025 Footnote F2 (price): This transaction was executed in multiple trades. 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… Full note on SEC EDGAR
Mar 16, 2026	Scott J. Montross - Officer	Open-market sale	Common Stock	2,500^{footnote F1}	$72.48^{footnote F2}	$181K
Footnote F1 (shares): Adoption date of referenced 10b5-1(c) plan is: 12/03/2025 Footnote F2 (price): This transaction was executed in multiple trades. 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… Full note on SEC EDGAR
Mar 12, 2026	Jesus Tanguis - Officer	Grant or award	Restricted Stock	1,195	-^{footnote F1}	-
Mar 12, 2026	Jesus Tanguis - Officer	Grant or award	Performance Shares	3,584	-^{footnote F3}	-
Footnote F1 (price): Each Restricted Stock Unit represents a contingent right to receive one share of NWPX common stock. Footnote F3 (price): 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.
Mar 20, 2026	Miles Brittain - Officer	Open-market sale	Common Stock	3,300^{footnote F1}	$70.89^{footnote F2}	$234K
Footnote F1 (shares): Adoption date of referenced 10b5-1(c) plan is: 12/05/2025 Footnote F2 (price): This transaction was executed in multiple trades at prices ranging from $69.6001 to $71.85 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… Full note on SEC EDGAR
Mar 16, 2026	Amanda Julian - Director	Open-market sale	Common Stock	3,473^{footnote F1}	$71.98^{footnote F2}	$250K
Footnote F1 (shares): Adoption date of referenced 10b5-1(c) plan is: 12/15/2025 Footnote F2 (price): This transaction was executed in multiple trades at prices ranging from $71.38 to $72.54 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… Full note on SEC EDGAR
Mar 16, 2026	Scott J. Montross - Officer	Open-market sale	Common Stock	2,500^{footnote F1}	$71.44^{footnote F2}	$179K
Footnote F1 (shares): Adoption date of referenced 10b5-1(c) plan is: 12/03/2025 Footnote F2 (price): This transaction was executed in multiple trades. 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… Full note on SEC EDGAR
Mar 12, 2026	Megan A. Kendrick - Officer	Grant or award	Restricted Stock	863	-^{footnote F1}	-
Mar 12, 2026	Megan A. Kendrick - Officer	Grant or award	Performance Shares	2,588	-^{footnote F3}	-
Footnote F1 (price): Each Restricted Stock Unit represents a contingent right to receive one share of NWPX common stock. Footnote F3 (price): 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.
Mar 12, 2026	Miles Brittain - Officer	Open-market sale	Common Stock	4,000^{footnote F1}	$71.01^{footnote F2}	$284K
Footnote F1 (shares): Adoption date of referenced 10b5-1(c) plan is: 12/05/2025 Footnote F2 (price): This transaction was executed in multiple trades at prices ranging from $70.45 to $73.77 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… Full note on SEC EDGAR
Mar 12, 2026	Eric Stokes - Officer	Grant or award	Restricted Stock	1,399	-^{footnote F1}	-
Mar 12, 2026	Eric Stokes - Officer	Grant or award	Performance Shares	4,198	-^{footnote F3}	-
Footnote F1 (price): Each Restricted Stock Unit represents a contingent right to receive one share of NWPX common stock. Footnote F3 (price): 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.
Mar 12, 2026	Michael Wray - Officer	Grant or award	Restricted Stock	1,536	-^{footnote F1}	-
Mar 12, 2026	Michael Wray - Officer	Grant or award	Performance Shares	4,607	-^{footnote F3}	-
Footnote F1 (price): Each Restricted Stock Unit represents a contingent right to receive one share of NWPX common stock. Footnote F3 (price): 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.
Mar 12, 2026	Aaron Wilkins - Officer	Grant or award	Restricted Stock	1,592	-^{footnote F1}	-
Mar 12, 2026	Aaron Wilkins - Officer	Grant or award	Performance Shares	4,775	-^{footnote F3}	-
Footnote F1 (price): Each Restricted Stock Unit represents a contingent right to receive one share of NWPX common stock. Footnote F3 (price): 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.
Mar 12, 2026	Scott J. Montross - Officer	Grant or award	Restricted Stock	5,689	-^{footnote F1}	-
Mar 12, 2026	Scott J. Montross - Officer	Grant or award	Performance Shares	17,068	-^{footnote F3}	-
Footnote F1 (price): Each Restricted Stock Unit represents a contingent right to receive one share of NWPX common stock. Footnote F3 (price): 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.
Mar 9, 2026	Scott J. Montross - Officer	Open-market sale	Common Stock	2,500^{footnote F1}	$72.32^{footnote F2}	$181K
Footnote F1 (shares): Adoption date of referenced 10b5-1(c) plan is: 12/03/2025 Footnote F2 (price): This transaction was executed in multiple trades at prices ranging from $71.91 to $73.65 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… Full note on SEC EDGAR
Mar 4, 2026	Megan A. Kendrick - Officer	Open-market sale	Common Stock	4,500^{footnote F1}	$80.59	$363K
Footnote F1 (shares): Adoption date of referenced 10b5-1(c) plan is: 11/06/2025
Jan 15, 2026	Megan A. Kendrick - Officer	Option exercise	Common Stock	635	-^{footnote F1}	-
Jan 15, 2026	Megan A. Kendrick - Officer	Tax withholding / forfeiture	Common Stock	275	$69.27^{footnote F2}	$19K
Jan 15, 2026	Megan A. Kendrick - Officer	Option exercise	Common Stock	550	-^{footnote F1}	-
Jan 15, 2026	Megan A. Kendrick - Officer	Tax withholding / forfeiture	Common Stock	239	$69.27^{footnote F2}	$17K
Jan 15, 2026	Megan A. Kendrick - Officer	Option exercise	Common Stock	468	-^{footnote F1}	-
Jan 15, 2026	Megan A. Kendrick - Officer	Tax withholding / forfeiture	Common Stock	203	$69.27^{footnote F2}	$14K
Jan 15, 2026	Megan A. Kendrick - Officer	Option exercise	Restricted Stock	635	-^{footnote F3}	-
Jan 15, 2026	Megan A. Kendrick - Officer	Option exercise	Restricted Stock	550	-^{footnote F3}	-
Jan 15, 2026	Megan A. Kendrick - Officer	Option exercise	Restricted Stock	468	-^{footnote F3}	-
Footnote F1 (price): Represents shares acquired pursuant to vesting of Restricted Stock Units. Footnote F2 (price): Represents shares withheld by the issuer for payment of taxes incurred upon vesting event consistent with company policy. Footnote F3 (price): Each Restricted Stock Unit represents a contingent right to receive one share of NWPX common stock.
Jan 15, 2026	Eric Stokes - Officer	Option exercise	Common Stock	960	-^{footnote F1}	-
Jan 15, 2026	Eric Stokes - Officer	Tax withholding / forfeiture	Common Stock	409	$69.27^{footnote F2}	$28K
Jan 15, 2026	Eric Stokes - Officer	Option exercise	Common Stock	834	-^{footnote F1}	-
Jan 15, 2026	Eric Stokes - Officer	Tax withholding / forfeiture	Common Stock	355	$69.27^{footnote F2}	$25K
Jan 15, 2026	Eric Stokes - Officer	Option exercise	Common Stock	709	-^{footnote F1}	-
Jan 15, 2026	Eric Stokes - Officer	Tax withholding / forfeiture	Common Stock	302	$69.27^{footnote F2}	$21K
Jan 15, 2026	Eric Stokes - Officer	Option exercise	Restricted Stock	960	-^{footnote F3}	-
Jan 15, 2026	Eric Stokes - Officer	Option exercise	Restricted Stock	834	-^{footnote F3}	-
Jan 15, 2026	Eric Stokes - Officer	Option exercise	Restricted Stock	709	-^{footnote F3}	-
Footnote F1 (price): Represents shares acquired pursuant to vesting of Restricted Stock Units. Footnote F2 (price): Represents shares withheld by the issuer for payment of taxes incurred upon vesting event consistent with company policy. Footnote F3 (price): Each Restricted Stock Unit represents a contingent right to receive one share of NWPX common stock.
Jan 15, 2026	Michael Wray - Officer	Option exercise	Common Stock	918	-^{footnote F1}	-
Jan 15, 2026	Michael Wray - Officer	Tax withholding / forfeiture	Common Stock	417	$69.27^{footnote F2}	$29K
Jan 15, 2026	Michael Wray - Officer	Option exercise	Common Stock	834	-^{footnote F1}	-
Jan 15, 2026	Michael Wray - Officer	Tax withholding / forfeiture	Common Stock	379	$69.27^{footnote F2}	$26K
Jan 15, 2026	Michael Wray - Officer	Option exercise	Common Stock	709	-^{footnote F1}	-
Jan 15, 2026	Michael Wray - Officer	Tax withholding / forfeiture	Common Stock	322	$69.27^{footnote F2}	$22K
Jan 15, 2026	Michael Wray - Officer	Option exercise	Restricted Stock	918	-^{footnote F3}	-
Jan 15, 2026	Michael Wray - Officer	Option exercise	Restricted Stock	834	-^{footnote F3}	-
Jan 15, 2026	Michael Wray - Officer	Option exercise	Restricted Stock	709	-^{footnote F3}	-
Footnote F1 (price): Represents shares acquired pursuant to vesting of Restricted Stock Units. Footnote F2 (price): Represents shares withheld by the issuer for payment of taxes incurred upon vesting event consistent with company policy. Footnote F3 (price): Each Restricted Stock Unit represents a contingent right to receive one share of NWPX common stock.
Jan 15, 2026	Miles Brittain - Officer	Option exercise	Common Stock	1,070	-^{footnote F1}	-
Jan 15, 2026	Miles Brittain - Officer	Tax withholding / forfeiture	Common Stock	486	$69.27^{footnote F3}	$34K
Jan 15, 2026	Miles Brittain - Officer	Option exercise	Common Stock	961	-^{footnote F1}	-
Jan 15, 2026	Miles Brittain - Officer	Tax withholding / forfeiture	Common Stock	436	$69.27^{footnote F3}	$30K
Jan 15, 2026	Miles Brittain - Officer	Option exercise	Common Stock	865	-^{footnote F1}	-
Jan 15, 2026	Miles Brittain - Officer	Tax withholding / forfeiture	Common Stock	393	$69.27^{footnote F3}	$27K
Jan 15, 2026	Miles Brittain - Officer	Option exercise	Restricted Stock	1,070	-^{footnote F4}	-
Jan 15, 2026	Miles Brittain - Officer	Option exercise	Restricted Stock	961	-^{footnote F4}	-
Jan 15, 2026	Miles Brittain - Officer	Option exercise	Restricted Stock	865	-^{footnote F4}	-
Footnote F1 (price): Represents shares acquired pursuant to vesting of Restricted Stock Units. Footnote F3 (price): Represents shares withheld by the issuer for payment of taxes incurred upon vesting event consistent with company policy. Footnote F4 (price): Each Restricted Stock Unit represents a contingent right to receive one share of NWPX common stock.
Jan 15, 2026	Aaron Wilkins - Officer	Option exercise	Common Stock	1,070	-^{footnote F1}	-
Jan 15, 2026	Aaron Wilkins - Officer	Tax withholding / forfeiture	Common Stock	486	$69.27^{footnote F2}	$34K
Jan 15, 2026	Aaron Wilkins - Officer	Option exercise	Common Stock	961	-^{footnote F1}	-
Jan 15, 2026	Aaron Wilkins - Officer	Tax withholding / forfeiture	Common Stock	436	$69.27^{footnote F2}	$30K
Jan 15, 2026	Aaron Wilkins - Officer	Option exercise	Common Stock	865	-^{footnote F1}	-
Jan 15, 2026	Aaron Wilkins - Officer	Tax withholding / forfeiture	Common Stock	393	$69.27^{footnote F2}	$27K
Jan 15, 2026	Aaron Wilkins - Officer	Option exercise	Restricted Stock	1,070	-^{footnote F3}	-
Jan 15, 2026	Aaron Wilkins - Officer	Option exercise	Restricted Stock	961	-^{footnote F3}	-
Jan 15, 2026	Aaron Wilkins - Officer	Option exercise	Restricted Stock	865	-^{footnote F3}	-
Footnote F1 (price): Represents shares acquired pursuant to vesting of Restricted Stock Units. Footnote F2 (price): Represents shares withheld by the issuer for payment of taxes incurred upon vesting event consistent with company policy. Footnote F3 (price): Each Restricted Stock Unit represents a contingent right to receive one share of NWPX common stock.
Jan 15, 2026	Scott J. Montross - Officer	Option exercise	Common Stock	2,869	-^{footnote F1}	-
Jan 15, 2026	Scott J. Montross - Officer	Option exercise	Common Stock	2,585	-^{footnote F1}	-
Jan 15, 2026	Scott J. Montross - Officer	Tax withholding / forfeiture	Common Stock	1,287	$69.27^{footnote F2}	$89K
Jan 15, 2026	Scott J. Montross - Officer	Tax withholding / forfeiture	Common Stock	997	$69.27^{footnote F2}	$69K
Jan 15, 2026	Scott J. Montross - Officer	Option exercise	Common Stock	2,515	-^{footnote F1}	-
Jan 15, 2026	Scott J. Montross - Officer	Tax withholding / forfeiture	Common Stock	989	$69.27^{footnote F2}	$69K
Jan 15, 2026	Scott J. Montross - Officer	Option exercise	Restricted Stock	2,869	-^{footnote F3}	-
Jan 15, 2026	Scott J. Montross - Officer	Option exercise	Restricted Stock	2,585	-^{footnote F3}	-
Jan 15, 2026	Scott J. Montross - Officer	Option exercise	Restricted Stock	2,515	-^{footnote F3}	-
Footnote F1 (price): Represents shares acquired pursuant to vesting of Restricted Stock Units. Footnote F2 (price): Represents shares withheld by the issuer for payment of taxes incurred upon vesting event consistent with company policy. Footnote F3 (price): Each Restricted Stock Unit represents a contingent right to receive one share of NWPX common stock.
Dec 15, 2025	Aaron Wilkins - Officer	Open-market sale	Common Stock	35^{footnote F1}	$63.50	$2K
Footnote F1 (shares): Adoption date of referenced 10b5-1(c) plan is: 09-08-2025
Nov 24, 2025	Miles Brittain - Officer	Open-market sale	Common Stock	4,000^{footnote F1}	$56.41^{footnote F2}	$226K
Footnote F1 (shares): Adoption date of referenced 10b5-1(c) plan is: 08/14/2025 Footnote F2 (price): This transaction was executed in multiple trades at prices ranging from $54.85 to $56.955 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… Full note on SEC EDGAR

Recent NWPX Form 8-K filings

Read NWPX company news

Jul 29, 2026Item 2.02, 9.01

Read the filing on SEC EDGAR

Jun 11, 2026Item 5.07, 9.01

Read the filing on SEC EDGAR

Jun 10, 2026Item 7.01, 9.01

Read the filing on SEC EDGAR

Apr 29, 2026Item 2.02, 9.01

Recent NWPX Form 144 notices of proposed sale

An insider files Form 144 before selling restricted or control stock. It announces a planned sale. If the sale goes ahead, it shows up later on a Form 4.

Filed	Filer	Relationship	Shares	Market value	Notice
Oct 5, 2026	LARSON KEITH R	Director	250	$27K	View on EDGAR
Oct 1, 2026	ERIC STOKES	Officer	24,984

NWPX insider trading FAQ

What is the latest insider trade for NWPX?

NWPX Infrastructure, Inc. (NWPX) had 25 insider filings in the last 90 days, with the most recent on 2026-10-06. The full record for NWPX runs to 82 Form 4 filings, the earliest from 2024-10-16. InsiderAlpha adds new Form 4, Form 144 and 8-K filings as they arrive from SEC EDGAR.

How many insiders are buying NWPX stock?

No insider purchases of NWPX were filed in the last 90 days.

How many insiders are selling NWPX stock?

24 insider sales of NWPX were filed in the last 90 days, totaling $6.49M.

Where can I see NWPX SEC filings (Form 4, 10-K, 10-Q, 8-K)?

This page collects NWPX Form 4 insider transactions, Form 144 sale notices and 8-K filings in one place. Annual 10-K and quarterly 10-Q reports live on the company's SEC EDGAR page.

More Materials companies with insider activity

Recent insider filings

The EDGAR links open each original Form 4, so you can check any number on this page against the filing it came from.

Oct 6, 2026 - Eric Stokes view on EDGAR
Oct 6, 2026 - Keith R. Larson view on EDGAR
Oct 2, 2026 - Eric Stokes view on EDGAR
Sep 30, 2026 - Keith R. Larson view on EDGAR
Sep 23, 2026 - Aaron Wilkins view on EDGAR
Sep 23, 2026 - Keith R. Larson view on EDGAR
Sep 16, 2026 - Aaron Wilkins view on EDGAR
Sep 16, 2026 - Keith R. Larson view on EDGAR
Sep 16, 2026 - Richard A. Roman view on EDGAR

Related companies with recent insider activity

$ATIATI INC

Learn more

Insider selling: signal or noise?: Why most insider sales are routine, and the few patterns worth a second look.
Form 144 vs Form 4: A Form 144 announces a planned sale; the Form 4 reports it after it happens.
Insider activity in Materials: Where NWPX's peers are being bought and sold.
Every recent Form 4: The market-wide feed, updated as filings arrive from SEC EDGAR.

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Form 4 transaction type

Transactions

Total value

Open-market sale

60,109

$6.49M

Bona-fide gift

1,700

Date

Insider

Transaction

Security

Price

Value

Jun 10, 2026

Richard A. Roman - Director

Grant or award

Common Stock

899

$122.31

$110K

Mar 31, 2026

Megan A. Kendrick - Officer

Option exercise

Common Stock

2,225

-^{footnote F1}

Mar 31, 2026

Megan A. Kendrick - Officer

Tax withholding / forfeiture

Common Stock

875^{footnote F2}

$77.86

$68K

Mar 31, 2026

Megan A. Kendrick - Officer

Option exercise

Common Stock

2,148

-^{footnote F1}

Mar 31, 2026

Megan A. Kendrick - Officer

Tax withholding / forfeiture

Common Stock

845^{footnote F2}

$77.86

$66K

Mar 31, 2026

Megan A. Kendrick - Officer

Option exercise

Common Stock

1,531

-^{footnote F1}

Mar 31, 2026

Megan A. Kendrick - Officer

Tax withholding / forfeiture

Common Stock

602^{footnote F2}

$77.86

$47K

Mar 31, 2026

Megan A. Kendrick - Officer

Option exercise

Performance Shares

1,902

-^{footnote F3}

Mar 31, 2026

Megan A. Kendrick - Officer

Option exercise

Performance Shares

1,652

-^{footnote F3}

Mar 31, 2026

Megan A. Kendrick - Officer

Option exercise

Performance Shares

1,405

-^{footnote F3}

Footnote F1 (price): Represents shares acquired pursuant to the vesting of Performance Shares.
Footnote F2 (shares): Represents shares withheld by the issuer for payment of taxes incurred upon vesting event consistent with company policy.
Footnote F3 (price): 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.

Mar 31, 2026

Eric Stokes - Officer

Option exercise

Common Stock

3,373

-^{footnote F1}

Mar 31, 2026

Eric Stokes - Officer

Tax withholding / forfeiture

Common Stock

1,327^{footnote F2}

$77.86

$103K

Mar 31, 2026

Eric Stokes - Officer

Option exercise

Common Stock

3,254

-^{footnote F1}

Mar 31, 2026

Eric Stokes - Officer

Tax withholding / forfeiture

Common Stock

1,280^{footnote F2}

$77.86

$100K

Mar 31, 2026

Eric Stokes - Officer

Option exercise

Common Stock

2,320

-^{footnote F1}

Mar 31, 2026

Eric Stokes - Officer

Tax withholding / forfeiture

Common Stock

912^{footnote F2}

$77.86

$71K

Mar 31, 2026

Eric Stokes - Officer

Option exercise

Performance Shares

2,883

-^{footnote F3}

Mar 31, 2026

Eric Stokes - Officer

Option exercise

Performance Shares

2,503

-^{footnote F3}

Mar 31, 2026

Eric Stokes - Officer

Option exercise

Performance Shares

2,128

-^{footnote F3}

Footnote F1 (price): Represents shares acquired pursuant to the vesting of Performance Shares.
Footnote F2 (shares): Represents shares withheld by the issuer for payment of taxes incurred upon vesting event consistent with company policy.
Footnote F3 (price): 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.

Mar 31, 2026

Jesus Tanguis - Officer

Option exercise

Common Stock

851

-^{footnote F1}

Mar 31, 2026

Jesus Tanguis - Officer

Tax withholding / forfeiture

Common Stock

245^{footnote F2}

$77.86

$19K

Mar 31, 2026

Jesus Tanguis - Officer

Option exercise

Performance Shares

955

-^{footnote F3}

Mar 31, 2026

Jesus Tanguis - Officer

Option exercise

Performance Shares

781

-^{footnote F3}

Mar 31, 2026

Jesus Tanguis - Officer

Option exercise

Common Stock

1,242

-^{footnote F1}

Mar 31, 2026

Jesus Tanguis - Officer

Tax withholding / forfeiture

Common Stock

358^{footnote F2}

$77.86

$28K

Footnote F1 (price): Represents shares acquired pursuant to the vesting of Performance Shares.
Footnote F2 (shares): Represents shares withheld by the issuer for payment of taxes incurred upon vesting event consistent with company policy.
Footnote F3 (price): 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.

Mar 31, 2026

Michael Wray - Officer

Option exercise

Common Stock

3,221

-^{footnote F1}

Mar 31, 2026

Michael Wray - Officer

Tax withholding / forfeiture

Common Stock

1,267^{footnote F2}

$77.86

$99K

Mar 31, 2026

Michael Wray - Officer

Option exercise

Common Stock

3,254

-^{footnote F1}

Mar 31, 2026

Michael Wray - Officer

Tax withholding / forfeiture

Common Stock

1,280^{footnote F2}

$77.86

$100K

Mar 31, 2026

Michael Wray - Officer

Option exercise

Common Stock

2,320

-^{footnote F1}

Mar 31, 2026

Michael Wray - Officer

Tax withholding / forfeiture

Common Stock

912^{footnote F2}

$77.86

$71K

Mar 31, 2026

Michael Wray - Officer

Option exercise

Performance Shares

2,753

-^{footnote F3}

Mar 31, 2026

Michael Wray - Officer

Option exercise

Performance Shares

2,503

-^{footnote F3}

Mar 31, 2026

Michael Wray - Officer

Option exercise

Performance Shares

2,128

-^{footnote F3}

Footnote F1 (price): Represents shares acquired pursuant to the vesting of Performance Shares.
Footnote F2 (shares): Represents shares withheld by the issuer for payment of taxes incurred upon vesting event consistent with company policy.
Footnote F3 (price): 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.

Mar 31, 2026

Aaron Wilkins - Officer

Option exercise

Common Stock

3,758

-^{footnote F1}

Mar 31, 2026

Aaron Wilkins - Officer

Tax withholding / forfeiture

Common Stock

1,478^{footnote F2}

$77.86

$115K

Mar 31, 2026

Aaron Wilkins - Officer

Option exercise

Common Stock

3,748

-^{footnote F1}

Mar 31, 2026

Aaron Wilkins - Officer

Tax withholding / forfeiture

Common Stock

1,474^{footnote F2}

$77.86

$115K

Mar 31, 2026

Aaron Wilkins - Officer

Option exercise

Common Stock

2,826

-^{footnote F1}

Mar 31, 2026

Aaron Wilkins - Officer

Tax withholding / forfeiture

Common Stock

1,112^{footnote F2}

$77.86

$87K

Mar 31, 2026

Aaron Wilkins - Officer

Option exercise

Performance Shares

3,212

-^{footnote F3}

Mar 31, 2026

Aaron Wilkins - Officer

Option exercise

Performance Shares

2,883

-^{footnote F3}

Mar 31, 2026

Aaron Wilkins - Officer

Option exercise

Performance Shares

2,593

-^{footnote F3}

Footnote F1 (price): Represents shares acquired pursuant to the vesting of Performance Shares.
Footnote F2 (shares): Represents shares withheld by the issuer for payment of taxes incurred upon vesting event consistent with company policy.
Footnote F3 (price): 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.

Mar 31, 2026

Miles Brittain - Officer

Option exercise

Common Stock

3,758

-^{footnote F1}

Mar 31, 2026

Miles Brittain - Officer

Tax withholding / forfeiture

Common Stock

1,478^{footnote F3}

$77.86

$115K

Mar 31, 2026

Miles Brittain - Officer

Option exercise

Common Stock

3,748

-^{footnote F1}

Mar 31, 2026

Miles Brittain - Officer

Tax withholding / forfeiture

Common Stock

1,474^{footnote F3}

$77.86

$115K

Mar 31, 2026

Miles Brittain - Officer

Option exercise

Common Stock

2,826

-^{footnote F1}

Mar 31, 2026

Miles Brittain - Officer

Tax withholding / forfeiture

Common Stock

1,112^{footnote F3}

$77.86

$87K

Mar 31, 2026

Miles Brittain - Officer

Option exercise

Performance Shares

3,212

-^{footnote F4}

Mar 31, 2026

Miles Brittain - Officer

Option exercise

Performance Shares

2,883

-^{footnote F4}

Mar 31, 2026

Miles Brittain - Officer

Option exercise

Performance Shares

2,593

-^{footnote F4}

Mar 31, 2026

Miles Brittain - Officer

Tax withholding / forfeiture

Performance Shares

8,073

-^{footnote F4}

Footnote F1 (price): Represents shares acquired pursuant to the vesting of Performance Shares.
Footnote F3 (shares): Represents shares withheld by the issuer for payment of taxes incurred upon vesting event consistent with company policy.
Footnote F4 (price): 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.

Mar 31, 2026

Scott J. Montross - Officer

Option exercise

Common Stock

10,069

-^{footnote F1}

Mar 31, 2026

Scott J. Montross - Officer

Tax withholding / forfeiture

Common Stock

3,962^{footnote F2}

$77.86

$308K

Mar 31, 2026

Scott J. Montross - Officer

Option exercise

Common Stock

10,079

-^{footnote F1}

Mar 31, 2026

Scott J. Montross - Officer

Tax withholding / forfeiture

Common Stock

3,966^{footnote F2}

$77.86

$309K

Mar 31, 2026

Scott J. Montross - Officer

Option exercise

Common Stock

8,224

-^{footnote F1}

Mar 31, 2026

Scott J. Montross - Officer

Tax withholding / forfeiture

Common Stock

3,236^{footnote F2}

$77.86

$252K

Mar 31, 2026

Scott J. Montross - Officer

Option exercise

Performance Shares

8,606

-^{footnote F3}

Mar 31, 2026

Scott J. Montross - Officer

Option exercise

Performance Shares

7,753

-^{footnote F3}

Mar 31, 2026

Scott J. Montross - Officer

Option exercise

Performance Shares

7,545

-^{footnote F3}

Footnote F1 (price): Represents shares acquired pursuant to the vesting of Performance Shares.
Footnote F2 (shares): Represents shares withheld by the issuer for payment of taxes incurred upon vesting event consistent with company policy.
Footnote F3 (price): 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.

Mar 30, 2026

Scott J. Montross - Officer

Open-market sale

Common Stock

2,056^{footnote F1}

$76.85^{footnote F2}

$158K

Footnote F1 (shares): Adoption date of referenced 10b5-1(c) plan is: 12/03/2025
Footnote F2 (price): This transaction was executed in multiple trades. 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… Full note on SEC EDGAR

Mar 16, 2026

Scott J. Montross - Officer

Open-market sale

Common Stock

2,500^{footnote F1}

$72.48^{footnote F2}

$181K

Footnote F1 (shares): Adoption date of referenced 10b5-1(c) plan is: 12/03/2025
Footnote F2 (price): This transaction was executed in multiple trades. 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… Full note on SEC EDGAR

Mar 12, 2026

Jesus Tanguis - Officer

Grant or award

Restricted Stock

1,195

-^{footnote F1}

Mar 12, 2026

Jesus Tanguis - Officer

Grant or award

Performance Shares

3,584

-^{footnote F3}

Footnote F1 (price): Each Restricted Stock Unit represents a contingent right to receive one share of NWPX common stock.
Footnote F3 (price): 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.

Mar 20, 2026

Miles Brittain - Officer

Open-market sale

Common Stock

3,300^{footnote F1}

$70.89^{footnote F2}

$234K

Footnote F1 (shares): Adoption date of referenced 10b5-1(c) plan is: 12/05/2025
Footnote F2 (price): This transaction was executed in multiple trades at prices ranging from $69.6001 to $71.85 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… Full note on SEC EDGAR

Mar 16, 2026

Amanda Julian - Director

Open-market sale

Common Stock

3,473^{footnote F1}

$71.98^{footnote F2}

$250K

Footnote F1 (shares): Adoption date of referenced 10b5-1(c) plan is: 12/15/2025
Footnote F2 (price): This transaction was executed in multiple trades at prices ranging from $71.38 to $72.54 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… Full note on SEC EDGAR

Mar 16, 2026

Scott J. Montross - Officer

Open-market sale

Common Stock

2,500^{footnote F1}

$71.44^{footnote F2}

$179K

Footnote F1 (shares): Adoption date of referenced 10b5-1(c) plan is: 12/03/2025
Footnote F2 (price): This transaction was executed in multiple trades. 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… Full note on SEC EDGAR

Mar 12, 2026

Megan A. Kendrick - Officer

Grant or award

Restricted Stock

863

-^{footnote F1}

Mar 12, 2026

Megan A. Kendrick - Officer

Grant or award

Performance Shares

2,588

-^{footnote F3}

Footnote F1 (price): Each Restricted Stock Unit represents a contingent right to receive one share of NWPX common stock.
Footnote F3 (price): 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.

Mar 12, 2026

Miles Brittain - Officer

Open-market sale

Common Stock

4,000^{footnote F1}

$71.01^{footnote F2}

$284K

Footnote F1 (shares): Adoption date of referenced 10b5-1(c) plan is: 12/05/2025
Footnote F2 (price): This transaction was executed in multiple trades at prices ranging from $70.45 to $73.77 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… Full note on SEC EDGAR

Mar 12, 2026

Eric Stokes - Officer

Grant or award

Restricted Stock

1,399

-^{footnote F1}

Mar 12, 2026

Eric Stokes - Officer

Grant or award

Performance Shares

4,198

-^{footnote F3}

Footnote F1 (price): Each Restricted Stock Unit represents a contingent right to receive one share of NWPX common stock.
Footnote F3 (price): 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.

Mar 12, 2026

Michael Wray - Officer

Grant or award

Restricted Stock

1,536

-^{footnote F1}

Mar 12, 2026

Michael Wray - Officer

Grant or award

Performance Shares

4,607

-^{footnote F3}

Footnote F1 (price): Each Restricted Stock Unit represents a contingent right to receive one share of NWPX common stock.
Footnote F3 (price): 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.

Mar 12, 2026

Aaron Wilkins - Officer

Grant or award

Restricted Stock

1,592

-^{footnote F1}

Mar 12, 2026

Aaron Wilkins - Officer

Grant or award

Performance Shares

4,775

-^{footnote F3}

Footnote F1 (price): Each Restricted Stock Unit represents a contingent right to receive one share of NWPX common stock.
Footnote F3 (price): 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.

Mar 12, 2026

Scott J. Montross - Officer

Grant or award

Restricted Stock

5,689

-^{footnote F1}

Mar 12, 2026

Scott J. Montross - Officer

Grant or award

Performance Shares

17,068

-^{footnote F3}

Footnote F1 (price): Each Restricted Stock Unit represents a contingent right to receive one share of NWPX common stock.
Footnote F3 (price): 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.

Mar 9, 2026

Scott J. Montross - Officer

Open-market sale

Common Stock

2,500^{footnote F1}

$72.32^{footnote F2}

$181K

Footnote F1 (shares): Adoption date of referenced 10b5-1(c) plan is: 12/03/2025
Footnote F2 (price): This transaction was executed in multiple trades at prices ranging from $71.91 to $73.65 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… Full note on SEC EDGAR

Mar 4, 2026

Megan A. Kendrick - Officer

Open-market sale

Common Stock

4,500^{footnote F1}

$80.59

$363K

Footnote F1 (shares): Adoption date of referenced 10b5-1(c) plan is: 11/06/2025

Jan 15, 2026

Megan A. Kendrick - Officer

Option exercise

Common Stock

635

-^{footnote F1}

Jan 15, 2026

Megan A. Kendrick - Officer

Tax withholding / forfeiture

Common Stock

275

$69.27^{footnote F2}

$19K

Jan 15, 2026

Megan A. Kendrick - Officer

Option exercise

Common Stock

550

-^{footnote F1}

Jan 15, 2026

Megan A. Kendrick - Officer

Tax withholding / forfeiture

Common Stock

239

$69.27^{footnote F2}

$17K

Jan 15, 2026

Megan A. Kendrick - Officer

Option exercise

Common Stock

468

-^{footnote F1}

Jan 15, 2026

Megan A. Kendrick - Officer

Tax withholding / forfeiture

Common Stock

203

$69.27^{footnote F2}

$14K

Jan 15, 2026

Megan A. Kendrick - Officer

Option exercise

Restricted Stock

635

-^{footnote F3}

Jan 15, 2026

Megan A. Kendrick - Officer

Option exercise

Restricted Stock

550

-^{footnote F3}

Jan 15, 2026

Megan A. Kendrick - Officer

Option exercise

Restricted Stock

468

-^{footnote F3}

Footnote F1 (price): Represents shares acquired pursuant to vesting of Restricted Stock Units.
Footnote F2 (price): Represents shares withheld by the issuer for payment of taxes incurred upon vesting event consistent with company policy.
Footnote F3 (price): Each Restricted Stock Unit represents a contingent right to receive one share of NWPX common stock.

Jan 15, 2026

Eric Stokes - Officer

Option exercise

Common Stock

960

-^{footnote F1}

Jan 15, 2026

Eric Stokes - Officer

Tax withholding / forfeiture

Common Stock

409

$69.27^{footnote F2}

$28K

Jan 15, 2026

Eric Stokes - Officer

Option exercise

Common Stock

834

-^{footnote F1}

Jan 15, 2026

Eric Stokes - Officer

Tax withholding / forfeiture

Common Stock

355

$69.27^{footnote F2}

$25K

Jan 15, 2026

Eric Stokes - Officer

Option exercise

Common Stock

709

-^{footnote F1}

Jan 15, 2026

Eric Stokes - Officer

Tax withholding / forfeiture

Common Stock

302

$69.27^{footnote F2}

$21K

Jan 15, 2026

Eric Stokes - Officer

Option exercise

Restricted Stock

960

-^{footnote F3}

Jan 15, 2026

Eric Stokes - Officer

Option exercise

Restricted Stock

834

-^{footnote F3}

Jan 15, 2026

Eric Stokes - Officer

Option exercise

Restricted Stock

709

-^{footnote F3}

Footnote F1 (price): Represents shares acquired pursuant to vesting of Restricted Stock Units.
Footnote F2 (price): Represents shares withheld by the issuer for payment of taxes incurred upon vesting event consistent with company policy.
Footnote F3 (price): Each Restricted Stock Unit represents a contingent right to receive one share of NWPX common stock.

Jan 15, 2026

Michael Wray - Officer

Option exercise

Common Stock

918

-^{footnote F1}

Jan 15, 2026

Michael Wray - Officer

Tax withholding / forfeiture

Common Stock

417

$69.27^{footnote F2}

$29K

Jan 15, 2026

Michael Wray - Officer

Option exercise

Common Stock

834

-^{footnote F1}

Jan 15, 2026

Michael Wray - Officer

Tax withholding / forfeiture

Common Stock

379

$69.27^{footnote F2}

$26K

Jan 15, 2026

Michael Wray - Officer

Option exercise

Common Stock

709

-^{footnote F1}

Jan 15, 2026

Michael Wray - Officer

Tax withholding / forfeiture

Common Stock

322

$69.27^{footnote F2}

$22K

Jan 15, 2026

Michael Wray - Officer

Option exercise

Restricted Stock

918

-^{footnote F3}

Jan 15, 2026

Michael Wray - Officer

Option exercise

Restricted Stock

834

-^{footnote F3}

Jan 15, 2026

Michael Wray - Officer

Option exercise

Restricted Stock

709

-^{footnote F3}

Footnote F1 (price): Represents shares acquired pursuant to vesting of Restricted Stock Units.
Footnote F2 (price): Represents shares withheld by the issuer for payment of taxes incurred upon vesting event consistent with company policy.
Footnote F3 (price): Each Restricted Stock Unit represents a contingent right to receive one share of NWPX common stock.

Jan 15, 2026

Miles Brittain - Officer

Option exercise

Common Stock

1,070

-^{footnote F1}

Jan 15, 2026

Miles Brittain - Officer

Tax withholding / forfeiture

Common Stock

486

$69.27^{footnote F3}

$34K

Jan 15, 2026

Miles Brittain - Officer

Option exercise

Common Stock

961

-^{footnote F1}

Jan 15, 2026

Miles Brittain - Officer

Tax withholding / forfeiture

Common Stock

436

$69.27^{footnote F3}

$30K

Jan 15, 2026

Miles Brittain - Officer

Option exercise

Common Stock

865

-^{footnote F1}

Jan 15, 2026

Miles Brittain - Officer

Tax withholding / forfeiture

Common Stock

393

$69.27^{footnote F3}

$27K

Jan 15, 2026

Miles Brittain - Officer

Option exercise

Restricted Stock

1,070

-^{footnote F4}

Jan 15, 2026

Miles Brittain - Officer

Option exercise

Restricted Stock

961

-^{footnote F4}

Jan 15, 2026

Miles Brittain - Officer

Option exercise

Restricted Stock

865

-^{footnote F4}

Footnote F1 (price): Represents shares acquired pursuant to vesting of Restricted Stock Units.
Footnote F3 (price): Represents shares withheld by the issuer for payment of taxes incurred upon vesting event consistent with company policy.
Footnote F4 (price): Each Restricted Stock Unit represents a contingent right to receive one share of NWPX common stock.

Jan 15, 2026

Aaron Wilkins - Officer

Option exercise

Common Stock

1,070

-^{footnote F1}

Jan 15, 2026

Aaron Wilkins - Officer

Tax withholding / forfeiture

Common Stock

486

$69.27^{footnote F2}

$34K

Jan 15, 2026

Aaron Wilkins - Officer

Option exercise

Common Stock

961

-^{footnote F1}

Jan 15, 2026

Aaron Wilkins - Officer

Tax withholding / forfeiture

Common Stock

436

$69.27^{footnote F2}

$30K

Jan 15, 2026

Aaron Wilkins - Officer

Option exercise

Common Stock

865

-^{footnote F1}

Jan 15, 2026

Aaron Wilkins - Officer

Tax withholding / forfeiture

Common Stock

393

$69.27^{footnote F2}

$27K

Jan 15, 2026

Aaron Wilkins - Officer

Option exercise

Restricted Stock

1,070

-^{footnote F3}

Jan 15, 2026

Aaron Wilkins - Officer

Option exercise

Restricted Stock

961

-^{footnote F3}

Jan 15, 2026

Aaron Wilkins - Officer

Option exercise

Restricted Stock

865

-^{footnote F3}

Footnote F1 (price): Represents shares acquired pursuant to vesting of Restricted Stock Units.
Footnote F2 (price): Represents shares withheld by the issuer for payment of taxes incurred upon vesting event consistent with company policy.
Footnote F3 (price): Each Restricted Stock Unit represents a contingent right to receive one share of NWPX common stock.

Jan 15, 2026

Scott J. Montross - Officer

Option exercise

Common Stock

2,869

-^{footnote F1}

Jan 15, 2026

Scott J. Montross - Officer

Option exercise

Common Stock

2,585

-^{footnote F1}

Jan 15, 2026

Scott J. Montross - Officer

Tax withholding / forfeiture

Common Stock

1,287

$69.27^{footnote F2}

$89K

Jan 15, 2026

Scott J. Montross - Officer

Tax withholding / forfeiture

Common Stock

997

$69.27^{footnote F2}

$69K

Jan 15, 2026

Scott J. Montross - Officer

Option exercise

Common Stock

2,515

-^{footnote F1}

Jan 15, 2026

Scott J. Montross - Officer

Tax withholding / forfeiture

Common Stock

989

$69.27^{footnote F2}

$69K

Jan 15, 2026

Scott J. Montross - Officer

Option exercise

Restricted Stock

2,869

-^{footnote F3}

Jan 15, 2026

Scott J. Montross - Officer

Option exercise

Restricted Stock

2,585

-^{footnote F3}

Jan 15, 2026

Scott J. Montross - Officer

Option exercise

Restricted Stock

2,515

-^{footnote F3}

Footnote F1 (price): Represents shares acquired pursuant to vesting of Restricted Stock Units.
Footnote F2 (price): Represents shares withheld by the issuer for payment of taxes incurred upon vesting event consistent with company policy.
Footnote F3 (price): Each Restricted Stock Unit represents a contingent right to receive one share of NWPX common stock.

Dec 15, 2025

Aaron Wilkins - Officer

Open-market sale

Common Stock

35^{footnote F1}

$63.50

$2K

Footnote F1 (shares): Adoption date of referenced 10b5-1(c) plan is: 09-08-2025

Nov 24, 2025

Miles Brittain - Officer

Open-market sale

Common Stock

4,000^{footnote F1}

$56.41^{footnote F2}

$226K

Footnote F1 (shares): Adoption date of referenced 10b5-1(c) plan is: 08/14/2025
Footnote F2 (price): This transaction was executed in multiple trades at prices ranging from $54.85 to $56.955 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… Full note on SEC EDGAR

Filed

Filer

Relationship

Market value

Notice

Oct 5, 2026

LARSON KEITH R

Director

250

$27K

View on EDGAR

Oct 1, 2026

ERIC STOKES

Officer

24,984