MGY 424B5: Secondary offering
Magnolia Oil & Gas Corp
Filed with the SEC on · accession 0001104659-26-085487
MGY filed a 424B5 (prospectus (offering)) with the SEC on Jul 22, 2026. The final terms of an offering of shares or bonds. The stock moved +2.0% by the first close after the filing.
Summary of the filing
Magnolia Oil & Gas Corp filed a prospectus supplement (424B5) for a secondary offering of common stock under its existing S-3 shelf registration.
Key details
How MGY stock reacted
Close before
$25.09
Jul 21, 2026
First close after
+2.03%
$25.60
5 trading days
-6.74%
$23.40
Since filing
-6.26%
$23.52
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Click hereFrequently asked questions
What did MGY file with the SEC on Jul 22, 2026?
MGY filed a 424B5 (Secondary offering). Magnolia Oil & Gas Corp filed a prospectus supplement (424B5) for a secondary offering of common stock under its existing S-3 shelf registration.
What does a secondary offering mean for MGY 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 MGY stock react to this filing?
MGY closed at $25.09 before the filing and $25.60 on Jul 22, 2026 (+2.03%). Five trading days later: $23.40 (-6.74%).
Other MGY SEC filings
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