PNW 424B5: Secondary offering
Pinnacle West Capital Corp
Filed with the SEC on · accession 0001104659-26-090107
PNW filed a 424B5 (prospectus (offering)) with the SEC on Aug 4, 2026. The final terms of an offering of shares or bonds. The stock moved +0.6% by the first close after the filing.
Summary of the filing
Pinnacle West Capital Corp filed a 424B5 prospectus supplement for a secondary offering of securities under its existing S-3 shelf registration.
Key details
How PNW stock reacted
Close before
$100.81
Aug 3, 2026
First close after
+0.63%
$101.45
5 trading days
-1.57%
$99.23
Since filing
+3.38%
$104.22
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Click hereFrequently asked questions
What did PNW file with the SEC on Aug 4, 2026?
PNW filed a 424B5 (Secondary offering). Pinnacle West Capital Corp filed a 424B5 prospectus supplement for a secondary offering of securities under its existing S-3 shelf registration.
What does a secondary offering mean for PNW stock?
New shares dilute existing holders and are often sold at a discount to the market price.
How do I read a 424B5?
The final terms of an offering of shares or bonds. Look at price, number of shares and the discount to the market price. Large offerings dilute existing shareholders.
Why are SEC filings important?
Public companies must tell the SEC about anything that can change their value — results, leadership changes, big deals, new shares, bankruptcy. Filings are the official source, often before the news. A 424B5 (prospectus (offering)): The final terms of an offering of shares or bonds.
How did PNW stock react to this filing?
PNW closed at $100.81 before the filing and $101.45 on Aug 4, 2026 (+0.63%). Five trading days later: $99.23 (-1.57%).
Other PNW SEC filings
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