PAA 424B5: Secondary offering
Plains All American Pipeline LP
Filed with the SEC on · accession 0001104659-26-107078
PAA filed a 424B5 (prospectus (offering)) with the SEC on Sep 11, 2026. The final terms of an offering of shares or bonds.
Summary of the filing
Plains All American Pipeline LP filed a 424B5 prospectus supplement for a secondary offering of securities under its existing S-3 shelf registration.
Key details
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Click hereFrequently asked questions
What did PAA file with the SEC on Sep 11, 2026?
PAA filed a 424B5 (Secondary offering). Plains All American Pipeline LP 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 PAA 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.
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