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Filing Detail
Form 4 - Statement of changes in beneficial ownership of securities:
SEC Accession No. 0000073088-23-000040
Filing Date
2023-03-07
Accepted
2023-03-07 13:26:07
Documents
1
Period of Report
2023-03-06

Document Format Files

Seq Description Document Type Size
1 FORM 4 wf-form4_167821355573422.html 4  
1 FORM 4 wf-form4_167821355573422.xml 4 3022
  Complete submission text file 0000073088-23-000040.txt   4347
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
Business Address
HORSFALL JAN ROBERT (Reporting) CIK: 0001244563 (see all company filings)

Type: 4 | Act: 34 | File No.: 001-10499 | Film No.: 23711949