PINNACLE WEST CAPITAL CORP — Investor Relations & Filings
Filings indexed
1,530
across all filing types
Latest filing
2026-06-02
Regulatory Filings
Country
US
United States of America
Listing
US
PNW
Pinnacle West Capital Corporation is an investor-owned electric utility holding company. Its principal subsidiary, Arizona Public Service (APS), is Arizona's largest and longest-serving energy company. Through APS, the company engages in the generation, transmission, and distribution of electricity. It provides retail and wholesale electric services to approximately 1.4 million homes and businesses, focusing on the delivery of safe, affordable, and reliable power.
Recent filings
| Filing | Released | Lang | Actions |
|---|---|---|---|
| 424B5 | 2026-06-02 | English | |
| FWP | 2026-06-01 | English | |
| 424B5 | 2026-06-01 | English | |
| 8-K | 2026-05-18 | English | |
| Major Shareholding Notification 2026 | 2026-05-14 | English | |
| Major Shareholding Notification 2026 | 2026-05-13 | English |
Browse filings by year
17 years| ID | Filing | Released | Lang | Actions | |
|---|---|---|---|---|---|
|
2026
15 filings
| |||||
| 47939125 | 424B5 | 2026-06-02 | English | ||
| 47923700 | FWP | 2026-06-01 | English | ||
| 47917965 | 424B5 | 2026-06-01 | English | ||
| 46531354 | 8-K | 2026-05-18 | English | ||
| 46089929 | Major Shareholding Notification 2026 | 2026-05-14 | English | ||
| 46089971 | Major Shareholding Notification 2026 | 2026-05-13 | English | ||
| 46089970 | 8-K | 2026-05-06 | English | ||
| 40898277 | 10-Q - PINNACLE WEST CAPITAL CORP (0000764622) (Filer) | 2026-05-04 | English | ||
| 40896481 | 8-K - PINNACLE WEST CAPITAL CORP (0000764622) (Filer) | 2026-05-04 | English | ||
| 46089974 | Major Shareholding Notification 2026 | 2026-04-30 | English | ||
| 34605882 | 8-K - PINNACLE WEST CAPITAL CORP (0000764622) (Filer) | 2026-04-15 | English | ||
| 46089993 | DEFA14A | 2026-04-03 | English | ||
| 33280278 | DEF 14A - PINNACLE WEST CAPITAL CORP (0000764622) (Filer) | 2026-04-03 | English | ||
| 33062397 | SCHEDULE 13G/A - PINNACLE WEST CAPITAL CORP (0000764622) (Subject) | 2026-03-27 | English | ||
| 33042727 | S-8 POS - PINNACLE WEST CAPITAL CORP (0000764622) (Filer) | 2026-03-25 | English | ||
Market data
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Peer group · Electric power transmission and distribution activities
| Company | Ticker | Country | Sector |
|---|---|---|---|
|
CENTERPOINT ENERGY INC
Energy delivery company providing electric and natural gas …
|
CNP | US | Electricity, gas, steam and air… |
|
CENTRAIS ELETRICAS DE SANTA CATARINA S.A
Specializes in the generation, transmission, and distributi…
|
— | BR | Electricity, gas, steam and air… |
|
CESC Limited
Vertically integrated power utility generating and distribu…
|
CESC | IN | Electricity, gas, steam and air… |
|
CEZ A.S.
An integrated energy conglomerate in electricity, heat, nat…
|
CEZ | CZ | Electricity, gas, steam and air… |
|
CGE TRANSMISION S.A.
Specializes in electric power transmission, transferring en…
|
— | CL | Electricity, gas, steam and air… |
|
Chernigovoblenergo
Distributes and supplies electricity to consumers in the Ch…
|
CHEON | UA | Electricity, gas, steam and air… |
|
CHILQUINTA DISTRIBUCION S.A.
An electricity distribution company delivering energy to 2M…
|
— | CL | Electricity, gas, steam and air… |
|
China ITS (Holdings) Co., Ltd.
Supplies infrastructure tech solutions, products, and servi…
|
1900 | HK | Electricity, gas, steam and air… |
|
CHONGQING FULING ELECTRIC POWER COMPANY LTD.
Provides electricity distribution, grid management, and ene…
|
600452 | CN | Electricity, gas, steam and air… |
|
Chongqing Three Gorges Water Conservancy and Electric Power Co.,Ltd.
Integrated energy firm providing hydropower generation, tra…
|
600116 | CN | Electricity, gas, steam and air… |
PINNACLE WEST CAPITAL CORP via the API
Pull this company's filings, identifiers, and metadata as JSON or Markdown. Authenticate with your API key, then query by company ID, ISIN, or LEI. Full schema documented in the OpenAPI spec.
Endpoints
| GET | /api/companies/30576/ | Company identity, sector, listing, identifiers |
| GET | /api/filings/?company=30576 | Paginated list of all filings (filterable by type, date, language) |
| GET | /api/filings/{id}/ | Single filing — metadata, document URL, processing status |
| GET | /api/filings/{id}/markdown/ | Filing content as Markdown (PDF → text/tables/figures) |
| GET | /api/isins/?company=30576 | All ISINs registered to this company |
| GET | /api/filing-types/ | Reference: every filing-type code + category |
Full reference: API reference · OpenAPI schema
cURL
$ curl https://api.financialreports.eu/api/filings/?company=30576 \ -H "x-api-key: $FR_API_KEY" \ -H "Accept: application/json"
Python
import requests r = requests.get( "https://api.financialreports.eu/api/filings/", params={"company": 30576}, headers={"x-api-key": API_KEY}, ) filings = r.json()["results"]
MCP server
// MCP server URL https://mcp.financialfilings.com/mcp // Once connected, the LLM can query this company directly: "Pull the latest 5 filings for PINNACLE WEST CAPITAL CORP (id: 30576)"
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