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NWPX Infrastructure, Inc. — SCHEDULE 13G/A Filings

4 SCHEDULE 13G/A filings on record

This page lists all SCHEDULE 13G/A filings submitted to the SEC by NWPX Infrastructure, Inc. (NWPX), sorted by most recent first. Each row links to the full filing on EdgarLookup. NWPX Infrastructure, Inc. has filed 4 SCHEDULE 13G/A documents with the SEC since 2008. To view all SEC filings by NWPX Infrastructure, Inc., see the full filings list.

Overview All Filings Financials Insiders
All 10-K 10-K/A 10-K405 10-Q 10-Q/A 144 15-12G 25 3 3/A 4 4/A 424B1 424B4 424B5 5 8-A12G 8-A12G/A 8-K 8-K/A ARS CORRESP DEF 14A EFFECT FWP NT 10-K NT 10-Q RW S-1 S-1/A S-3 S-3/A S-8 SC 13G SC 13G/A SCHEDULE 13G SCHEDULE 13G/A SD UPLOAD
Form Description Accession Number Filed Period
SCHEDULE 13G/A 0000102909-26-001962 Mar 27, 2026
SCHEDULE 13G/A 0001140361-25-019365 May 15, 2025
SCHEDULE 13G/A 0000906304-25-000110 Apr 30, 2025
SCHEDULE 13G/A 0002012383-25-001315 Feb 5, 2025