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Filing Detail
Form 4 - Statement of changes in beneficial ownership of securities:
SEC Accession No. 0000073088-23-000050
Filing Date
2023-03-07
Accepted
2023-03-07 14:57:32
Documents
1
Period of Report
2023-03-03

Document Format Files

Seq Description Document Type Size
1 FORM 4 wf-form4_167821904123088.html 4  
1 FORM 4 wf-form4_167821904123088.xml 4 5541
  Complete submission text file 0000073088-23-000050.txt   6963
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 40 EAST BROADWAY STREET BUTTE MT 59701
Business Address
Cashell Michael R (Reporting) CIK: 0001522052 (see all company filings)

Type: 4 | Act: 34 | File No.: 001-10499 | Film No.: 23712242