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Filing Detail
Form SC 13G - Statement of acquisition of beneficial ownership by individuals:
SEC Accession No. 0000937394-05-000058
Filing Date
2005-01-19
Accepted
2005-01-19 14:37:12
Documents
1

Document Format Files

Seq Description Document Type Size
1 HAI_NWPX nwpx.txt SC 13G 8393
  Complete submission text file 0000937394-05-000058.txt   9885
Mailing Address 789 N WATER STREET SUITE 500 MILWAUKEE WI 53202
Business Address 789 N WATER STREET SUITE 500 MILWAUKEE WI 53202 4143477777
HEARTLAND ADVISORS INC (Filed by) CIK: 0000937394 (see all company filings)

IRS No.: 391078128 | State of Incorp.: WI | Fiscal Year End: 0930
Type: SC 13G

Mailing Address 12005 N BURGARD P O BOX 83149 PORTLAND OR 97203
Business Address 12005 N BURGARD P O BOX 83149 PORTLAND OR 97203 5032851400
NORTHWEST PIPE CO (Subject) CIK: 0001001385 (see all company filings)

IRS No.: 930557988 | State of Incorp.: OR | Fiscal Year End: 1231
Type: SC 13G | Act: 34 | File No.: 005-44989 | Film No.: 05535949
SIC: 3317 Steel Pipe & Tubes