0000073088-21-000145.txt : 20211216 0000073088-21-000145.hdr.sgml : 20211216 20211216152056 ACCESSION NUMBER: 0000073088-21-000145 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20211215 FILED AS OF DATE: 20211216 DATE AS OF CHANGE: 20211216 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: Rowe Robert C CENTRAL INDEX KEY: 0001443704 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-10499 FILM NUMBER: 211497620 MAIL ADDRESS: STREET 1: 3010 WEST 69TH STREET CITY: SIOUX FALLS STATE: SD ZIP: 57108 ISSUER: COMPANY DATA: COMPANY CONFORMED NAME: NORTHWESTERN CORP CENTRAL INDEX KEY: 0000073088 STANDARD INDUSTRIAL CLASSIFICATION: ELECTRIC & OTHER SERVICES COMBINED [4931] IRS NUMBER: 460172280 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 BUSINESS ADDRESS: STREET 1: 3010 W 69TH STREET CITY: SIOUX FALLS STATE: SD ZIP: 57108 BUSINESS PHONE: 6059782908 MAIL ADDRESS: STREET 1: 3010 W 69TH STREET CITY: SIOUX FALLS STATE: SD ZIP: 57108 FORMER COMPANY: FORMER CONFORMED NAME: NORTHWESTERN PUBLIC SERVICE CO DATE OF NAME CHANGE: 19920703 4 1 wf-form4_163968604442633.xml FORM 4 X0306 4 2021-12-15 0 0000073088 NORTHWESTERN CORP NWE 0001443704 Rowe Robert C 3010 W. 69TH STREET SIOUX FALLS SD 57108 1 1 0 0 CEO Common Stock 2021-12-15 4 S 0 3000 55.23 D 190228 D Shares were sold pursuant to the parameters of a Rule 10b5-1 prearranged trading plan entered into by Mr. Rowe on May 7, 2020. Total shares owned includes shares acquired from participation in the company's Employee Stock Purchase Plan and through dividend reinvestment. Timothy P. Olson, by power of attorney 2021-12-16