SEC Seal
SEC Banner
Search the Next-Generation EDGAR System
Filing Detail
Form 8-K - Current report:
SEC Accession No. 0001193125-18-047424
Filing Date
2018-02-15
Accepted
2018-02-15 17:25:03
Documents
3
Period of Report
2018-02-15
Items
Item 8.01: Other Events
Item 9.01: Financial Statements and Exhibits

Document Format Files

Seq Description Document Type Size
1 8-K d504190d8k.htm 8-K 19796
2 EX-5.1 d504190dex51.htm EX-5.1 7457
3 GRAPHIC g504190g33p89.jpg GRAPHIC 21179
  Complete submission text file 0001193125-18-047424.txt   57741
Mailing Address 3010 W 69TH STREET SIOUX FALLS SD 57108
Business Address 3010 W 69TH STREET SIOUX FALLS SD 57108 6059782908
NORTHWESTERN CORP (Filer) CIK: 0000073088 (see all company filings)

IRS No.: 460172280 | State of Incorp.: DE | Fiscal Year End: 1231
Type: 8-K | Act: 34 | File No.: 001-10499 | Film No.: 18618748
SIC: 4931 Electric & Other Services Combined