Form4insider filings, from the source

Company · CIK 0001001385 · SIC 3317 — Steel Pipe & Tubes · Nasdaq

NWPX Infrastructure, Inc. · NWPX

Insider activity reported against this company. All insider holders · On EDGAR ↗

1M3M6M1Y2YAll datashares as filed — not split-adjusted
Open-market buys & salesbuys $0 · 0sales $1.7M · 12net −$1.7M
$10k$10k$100k$100k$1M$1MbuyssalesAug 28Sep 2Sep 7Sep 12Sep 18Sep 23Sep 28

Reported at this company — common stock

TradeReported (ET)InsiderSharesAvg priceTotalOwned afterΔ stakeFlags
Sep 21, 2026 SForm 4 →Sep 23, 11:09 am EDTAaron WilkinsCFO20$101.93$2,03922,428−0.09%10b5-1
Sep 21, 2026 SForm 4 →Sep 23, 11:08 am EDTKeith R LarsonDirector1,000$102.31$102,31015,633−6.01%10b5-1
Sep 14, 2026 SForm 4 →Sep 16, 2:54 pm EDTAaron WilkinsCFO1,950$100.68$196,32922,448−7.99%10b5-1
Sep 14, 2026 SForm 4 →Sep 16, 2:53 pm EDTKeith R LarsonDirector1,000$101.12$101,11916,633−5.67%10b5-1
Sep 14, 2026 GForm 4 →Sep 16, 2:52 pm EDTRichard A RomanDirector1,000——29,340—
Sep 10, 2026 GForm 4 →Sep 11, 4:09 pm EDTMichael C FransonDirector100——15,824—
Sep 9, 2026 SForm 4 →Sep 11, 4:09 pm EDTMichael C FransonDirector3,500$105.30$368,56315,924−18.0%
Sep 8, 2026 SForm 4 →Sep 10, 2:36 pm EDTAaron WilkinsCFO1,500$106.52$159,78024,398−5.79%10b5-1
Sep 8, 2026 SForm 4 →Sep 10, 2:35 pm EDTKeith R LarsonDirector1,000$105.87$105,86917,633−5.37%10b5-1
Sep 8, 2026 SForm 4 →Sep 10, 2:34 pm EDTRichard A RomanDirector4,000$105.72$422,87730,340−11.6%10b5-1
Sep 3, 2026 SForm 4 →Sep 4, 11:31 am EDTKeith R LarsonDirector4$110.79$44318,633−0.02%10b5-1
Sep 2, 2026 SForm 4 →Sep 3, 2:58 pm EDTKeith R LarsonDirector74$110.26$8,15918,637−0.40%10b5-1
Aug 31, 2026 SForm 4 →Sep 2, 11:57 am EDTKeith R LarsonDirector1,172$110.04$128,96718,711−5.89%10b5-1
Aug 31, 2026 SForm 4 →Sep 2, 11:55 am EDTScott J MontrossPresident & CEO1,227$110.58$135,68369,902−1.73%10b5-1

Reported at this company — derivatives (options, RSUs, warrants)

No reported derivative activity in this period.