MSFT 424B2: Secondary offering
Filed with the SEC on · accession 0001193125-26-442618
MSFT filed a 424B2 (prospectus (offering)) with the SEC on Nov 2, 2026. The final terms of an offering of shares or bonds. The stock moved -2.8% by the first close after the filing.
Summary of the filing
Microsoft Corporation is offering $25 billion in aggregate principal amount of senior unsecured notes across ten tranches, including floating rate notes due 2028 and 2029 and fixed rate notes with maturities ranging from 2028 to 2066.
Key details
How MSFT stock reacted
Close before
$521.91
Oct 30, 2026
First close after
-2.83%
$507.12
5 trading days
+1.99%
$532.32
Since filing
+1.99%
$532.32
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Click hereFrequently asked questions
What did MSFT file with the SEC on Nov 2, 2026?
MSFT filed a 424B2 (Secondary offering). Microsoft Corporation is offering $25 billion in aggregate principal amount of senior unsecured notes across ten tranches, including floating rate notes due 2028 and 2029 and fixed rate notes with maturities ranging from 2028 to 2066.
What does a secondary offering mean for MSFT stock?
New shares dilute existing holders and are often sold at a discount to the market price.
How do I read a 424B2?
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 424B2 (prospectus (offering)): The final terms of an offering of shares or bonds.
How did MSFT stock react to this filing?
MSFT closed at $521.91 before the filing and $507.12 on Nov 2, 2026 (-2.83%). Five trading days later: $532.32 (+1.99%).
Other MSFT SEC filings
- 8-K · Board changeNov 5, 2026
- 8-K · Material agreementNov 4, 2026
- 424B2 · Shelf registrationOct 29, 2026
- 8-K · SEC filingOct 28, 2026
- 10-Q · SEC filingOct 28, 2026
- 8-K · SEC filingOct 28, 2026
- DEF 14A · SEC filingOct 21, 2026
- 8-K · SEC filingSep 2, 2026
- 8-K · SEC filingJul 29, 2026
- 10-K · SEC filingJul 29, 2026
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