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Filing Detail
Form 4 - Statement of changes in beneficial ownership of securities:
SEC Accession No. 0000073088-21-000098
Filing Date
2021-05-14
Accepted
2021-05-14 13:06:36
Documents
1
Period of Report
2021-05-14

Document Format Files

Seq Description Document Type Size
1 FORM 4 wf-form4_162101197937005.html 4  
1 FORM 4 wf-form4_162101197937005.xml 4 3488
  Complete submission text file 0000073088-21-000098.txt   4813
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.: 21923319