0000104918-23-000091.txt : 20231004 0000104918-23-000091.hdr.sgml : 20231004 20231004140900 ACCESSION NUMBER: 0000104918-23-000091 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20231002 FILED AS OF DATE: 20231004 DATE AS OF CHANGE: 20231004 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: THIES MARK T CENTRAL INDEX KEY: 0001194298 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-03701 FILM NUMBER: 231307542 MAIL ADDRESS: STREET 1: 1411 E. MISSION AVENUE CITY: SPOKANE STATE: WA ZIP: 99202 ISSUER: COMPANY DATA: COMPANY CONFORMED NAME: AVISTA CORP CENTRAL INDEX KEY: 0000104918 STANDARD INDUSTRIAL CLASSIFICATION: ELECTRIC & OTHER SERVICES COMBINED [4931] IRS NUMBER: 910462470 STATE OF INCORPORATION: WA FISCAL YEAR END: 1231 BUSINESS ADDRESS: STREET 1: 1411 E MISSION AVE CITY: SPOKANE STATE: WA ZIP: 99202 BUSINESS PHONE: 5094890500 MAIL ADDRESS: STREET 1: 1411 EAST MISSION CITY: SPOKANE STATE: WA ZIP: 99202 FORMER COMPANY: FORMER CONFORMED NAME: WASHINGTON WATER POWER CO DATE OF NAME CHANGE: 19920703 4 1 primary_doc.xml PRIMARY DOCUMENT X0508 4 2023-10-02 0 0000104918 AVISTA CORP AVA 0001194298 THIES MARK T 1411 E. MISSION AVENUE SPOKANE WA 99202 0 1 0 0 Executive Vice President 0 Common Stock 2023-10-02 4 F 0 1602 31.07 D 89211 D Common Stock in Spouse's Plan 5751 I Shares Held by Spouse Shares sold to pay income tax on final 1/3 of 2021, second 1/3 of 2022 and first 1/3 of 2023 restricted shares that vested on October 2, 2023 for his retirement. Forfeiting 4,654 shares as they will not vest due to his retirement - this amount has been taken out of his holdings. /s/Mark T. Thies 2023-10-04