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Filing Detail
Form SC 13G/A - Statement of acquisition of beneficial ownership by individuals: [Amend]
SEC Accession No. 0000902219-03-000947
Filing Date
2003-02-12
Accepted
2003-02-12 08:53:48
Documents
1

Document Format Files

Seq Description Document Type Size
1 nwpx2.txt SC 13G/A 9320
  Complete submission text file 0000902219-03-000947.txt   11399
Mailing Address 75 STATE STREET BOSTON MA 02109
Business Address 75 STATE STREET BOSTON MA 02109 6179515000
WELLINGTON MANAGEMENT CO LLP (Filed by) CIK: 0000902219 (see all company filings)

IRS No.: 042683227 | State of Incorp.: MA | Fiscal Year End: 1231
SIC: 0000

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/A | Act: 34 | File No.: 005-44989 | Film No.: 03552328
SIC: 3317 Steel Pipe & Tubes