12 results
8-K
EX-2.1
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6 Oct 21
Northwest Pipe Company Announces Acquisition of ParkUSA
12:00am
8-K
EX-2.1
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6 Feb 20
Entry into a Material Definitive Agreement
4:18pm
8-K
EX-2.1
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1 Aug 18
Completion of Acquisition or Disposition of Assets
4:09pm
8-K
EX-2.1
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1 Apr 14
Northwest Pipe Announces the Sale of Its Octg Business to Centric Pipe, LLC
12:00am
S-8
EX-99.1
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29 Oct 99
Registration of securities for employees
12:00am
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