0000073088-21-000063.txt : 20210302 0000073088-21-000063.hdr.sgml : 20210302 20210302172352 ACCESSION NUMBER: 0000073088-21-000063 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20210301 FILED AS OF DATE: 20210302 DATE AS OF CHANGE: 20210302 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: Heather H. Grahame CENTRAL INDEX KEY: 0001497903 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-10499 FILM NUMBER: 21705280 BUSINESS ADDRESS: STREET 1: 209 N. MONTANA AVENUE, SUITE 205 CITY: HELENA STATE: MT ZIP: 59601 BUSINESS PHONE: 406-443-8963 MAIL ADDRESS: STREET 1: 209 N. MONTANA AVENUE, SUITE 205 CITY: HELENA STATE: MT ZIP: 59601 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_161472380392381.xml FORM 4 X0306 4 2021-03-01 0 0000073088 NORTHWESTERN CORP NWE 0001497903 Heather H. Grahame 208 N. MONTANA AVENUE SUITE 205 HELENA MT 59601 0 1 0 0 General Counsel & VP Common Stock 2021-03-01 4 S 0 7979 59.53 D 26519 D This transaction was executed in multiple trades at prices ranging from $59.46 to $59.63. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected. Total shares owned includes shares acquired from participation in the company's Employee Stock Purchase Plan and through dividend reinvestment. Emily L. Folsom, by power of attorney 2021-03-02