Form DEFA14A - Additional definitive proxy soliciting materials and Rule 14(a)(12) material:
SEC Accession No. 0001193125-26-138047
Filing Date
2026-04-01
Accepted
2026-04-01 16:33:43
Documents
4

Document Format Files

Seq Description Document Type Size
1 DEFA14A d75683ddefa14a.htm DEFA14A 40584
2 GRAPHIC g75683dsp1a.jpg GRAPHIC 72306
3 GRAPHIC g75683dsp1b.jpg GRAPHIC 67493
4 GRAPHIC g75683dsp2a.jpg GRAPHIC 1104
  Complete submission text file 0001193125-26-138047.txt   236042
Mailing Address 1411 EAST MISSION SPOKANE WA 99202
Business Address 1411 E MISSION AVE SPOKANE WA 99202 5094890500
AVISTA CORP (Filer) CIK: 0000104918 (see all company filings)

EIN.: 910462470 | State of Incorp.: WA | Fiscal Year End: 1231
Type: DEFA14A | Act: 34 | File No.: 001-03701 | Film No.: 26828801
SIC: 4931 Electric & Other Services Combined
(CF Office: 01 Energy & Transportation)