Insider · CIK 0001228503

Scott J Montross

Files at: NWPX. On EDGAR ↗

Period1M 3M 6M 1Y 2Y All datashares as filed — not split-adjusted

Open-market buys & salesbuys $0 · 0sales $1.3M · 5net −$1.3M

Reported trades — common stock

Trade	Reported (ET)	Company	Shares	Avg price	Total	Owned after	Δ stake	Flags
Aug 31, 2026 SForm 4 →	Sep 2, 11:55 am EDT	NWPX Infrastructure, Inc.NWPX	1,227	$110.58	$135,683	69,902	−1.73%	10b5-1
Aug 24, 2026 SForm 4 →	Aug 25, 3:57 pm EDT	NWPX Infrastructure, Inc.NWPX	2,500	$109.37	$273,419	71,129	−3.40%	10b5-1
Aug 17, 2026 SForm 4 →	Aug 18, 2:59 pm EDT	NWPX Infrastructure, Inc.NWPX	2,500	$115.13	$287,819	73,629	−3.28%	10b5-1
Aug 10, 2026 SForm 4 →	Aug 11, 5:20 pm EDT	NWPX Infrastructure, Inc.NWPX	2,500	$118.74	$296,848	76,129	−3.18%	10b5-1
Aug 4, 2026 SForm 4 →	Aug 5, 5:22 pm EDT	NWPX Infrastructure, Inc.NWPX	2,500	$128.62	$321,546	78,629	−3.08%	10b5-1
Jan 16, 2018 FMForm 4 →	Jan 17, 7:17 pm EST	NORTHWEST PIPE CONWPX	74,126	$19.87	$420,330	59,242	—	plan?
Jan 15, 2017 FMForm 4 →	Jan 17, 6:51 pm EST	NORTHWEST PIPE CONWPX	2,302	$17.04	$9,645	27,424	—	plan?
Jan 15, 2016 FMForm 4 →	Jan 20, 7:47 pm EST	NORTHWEST PIPE CONWPX	5,718	$8.73	$14,920	26,254	—	plan?
Jan 1, 2015 FMForm 4 →	Jan 20, 6:39 pm EST	NORTHWEST PIPE CONWPX	15,056	$27.22	$115,849	23,954	—	plan? late

Reported trades — derivatives (options, RSUs, warrants)

Trade	Reported (ET)	Company	Shares	Avg price	Total	Owned after	Δ stake	Flags
Jan 15, 2018 AMForm 4 →	Jan 17, 7:17 pm EST	NORTHWEST PIPE CONWPX	70,665	—	—	0	—
Jan 15, 2017 MForm 4 →	Jan 17, 6:51 pm EST	NORTHWEST PIPE CONWPX	1,736	—	—	52,972	—
Apr 19, 2016 MForm 4 →	Apr 22, 2:34 pm EDT	NORTHWEST PIPE CONWPX	52,972	—	—	54,708	—	late
Jan 15, 2016 MForm 4 →	Jan 20, 7:47 pm EST	NORTHWEST PIPE CONWPX	4,009	—	—	1,736	—
Jan 1, 2015 MForm 4 →	Jan 20, 6:39 pm EST	NORTHWEST PIPE CONWPX	10,800	—	—	5,745	—	late