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Filing Detail
Form SC 13G/A - Statement of acquisition of beneficial ownership by individuals: [Amend]
SEC Accession No. 0000892712-18-000051
Filing Date
2018-02-02
Accepted
2018-02-02 12:29:35
Documents
1

Document Format Files

Seq Description Document Type Size
1 AMENDMENT NO. 1 TO SCHEDULE 13G heartlandnorthwest13g.htm SC 13G/A 81102
  Complete submission text file 0000892712-18-000051.txt   82560
Mailing Address 789 N WATER STREET MILWAUKEE WI 53202
Business Address 789 N WATER STREET MILWAUKEE WI 53202 414-347-7777
HEARTLAND ADVISORS INC (Filed by) CIK: 0000937394 (see all company filings)

IRS No.: 391078128 | State of Incorp.: WI | Fiscal Year End: 1231
Type: SC 13G/A

Mailing Address 5721 SE COLUMBIA WAY SUITE 200 VANCOUVER WA 98661
Business Address 5721 SE COLUMBIA WAY SUITE 200 VANCOUVER WA 98661 3603976250
NORTHWEST PIPE CO (Subject) CIK: 0001001385 (see all company filings)

IRS No.: 930557988 | State of Incorp.: OR | Fiscal Year End: 1231
Type: SC 13G/A | Act: 34 | File No.: 005-44989 | Film No.: 18569540
SIC: 3317 Steel Pipe & Tubes
Office of Manufacturing