Form DEFA14A - Additional definitive proxy soliciting materials and Rule 14(a)(12) material:
SEC Accession No. 0001628280-26-023518
Filing Date
2026-04-03
Accepted
2026-04-03 11:38:57
Documents
24

Document Format Files

Seq Description Document Type Size
1 DEFA14A a2026pinnaclewestdefa14a.htm DEFA14A 19632
2 a1.jpg GRAPHIC 1441
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5 annual_meetingxpagexproof02.jpg GRAPHIC 102539
6 investors_proxyxinfoxpagex.jpg GRAPHIC 124369
7 pinnaclewestcapitalcorpora.jpg GRAPHIC 329011
8 pinnaclewestcapitalcorporaa.jpg GRAPHIC 516561
9 proxyspringpresentationv2.jpg GRAPHIC 152346
10 slide10.jpg GRAPHIC 179631
11 slide11.jpg GRAPHIC 121695
12 slide12.jpg GRAPHIC 139135
13 slide13.jpg GRAPHIC 187961
14 slide14.jpg GRAPHIC 127194
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17 slide2.jpg GRAPHIC 472750
18 slide3.jpg GRAPHIC 170300
19 slide4.jpg GRAPHIC 129999
20 slide5.jpg GRAPHIC 131418
21 slide6.jpg GRAPHIC 92365
22 slide7.jpg GRAPHIC 127974
23 slide8.jpg GRAPHIC 175193
24 slide9.jpg GRAPHIC 177185
  Complete submission text file 0001628280-26-023518.txt   5117507
Mailing Address 400 NORTH FIFTH STREET MS 8695 PHOENIX AZ 85004
Business Address 400 NORTH FIFTH STREET MS 8695 PHOENIX AZ 85004 602 250 1000
PINNACLE WEST CAPITAL CORP (Filer) CIK: 0000764622 (see all company filings)

EIN.: 860512431 | State of Incorp.: AZ | Fiscal Year End: 1231
Type: DEFA14A | Act: 34 | File No.: 001-08962 | Film No.: 26837216
SIC: 4911 Electric Services
(CF Office: 01 Energy & Transportation)