SEC Seal
SEC Banner
Search the Next-Generation EDGAR System
Filing Detail
Form 4 - Statement of changes in beneficial ownership of securities:
SEC Accession No. 0000073088-18-000032
Filing Date
2018-02-16
Accepted
2018-02-16 12:31:14
Documents
1
Period of Report
2018-02-15

Document Format Files

Seq Description Document Type Size
1 FORM 4 wf-form4_151880225864702.html 4  
1 FORM 4 wf-form4_151880225864702.xml 4 3193
  Complete submission text file 0000073088-18-000032.txt   4619
Mailing Address 3010 W 69TH STREET SIOUX FALLS SD 57108
Business Address 3010 W 69TH STREET SIOUX FALLS SD 57108 6059782908
NORTHWESTERN CORP (Issuer) CIK: 0000073088 (see all company filings)

IRS No.: 460172280 | State of Incorp.: DE | Fiscal Year End: 1231
SIC: 4931 Electric & Other Services Combined

Mailing Address 125 S. DAKOTA AVENUE SIOUX FALLS SD 57104
Business Address
Corcoran Patrick R (Reporting) CIK: 0001335068 (see all company filings)

Type: 4 | Act: 34 | File No.: 001-10499 | Film No.: 18620313