MORN SCHEDULE 13G/A: SEC filing
Joseph D. Mansueto
Filed with the SEC on · accession 0001104659-26-126252
MORN filed a SCHEDULE 13G/A (schedule 13g/a) with the SEC on Nov 12, 2026. A report the company filed with the SEC (the US market regulator). The stock moved -1.0% by the first close after the filing.
Summary of the filing
Joseph D. Mansueto filed an amended Schedule 13G reporting beneficial ownership of 14,604,459 shares, or 39.4%, of Morningstar, Inc. common stock as of September 30, 2026.
Key details
How MORN stock reacted
Close before
$248.65
Nov 11, 2026
First close after
-1.03%
$246.08
5 trading days
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Since filing
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Click hereFrequently asked questions
What did MORN file with the SEC on Nov 12, 2026?
MORN filed a SCHEDULE 13G/A (SEC filing). Joseph D. Mansueto filed an amended Schedule 13G reporting beneficial ownership of 14,604,459 shares, or 39.4%, of Morningstar, Inc. common stock as of September 30, 2026.
How do I read a SCHEDULE 13G/A?
A report the company filed with the SEC (the US market regulator). Start with the summary, then the key amounts and names. Compare it with the company’s earlier filings.
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 SCHEDULE 13G/A (schedule 13g/a): A report the company filed with the SEC (the US market regulator).
How did MORN stock react to this filing?
MORN closed at $248.65 before the filing and $246.08 on Nov 12, 2026 (-1.03%).
Other MORN SEC filings
- SCHEDULE 13G/A · SEC filingNov 12, 2026
- 10-Q · SEC filingOct 28, 2026
- 8-K · SEC filingOct 28, 2026
- SCHEDULE 13G/A · SEC filingOct 27, 2026
- 8-K · SEC filingSep 25, 2026
- 8-K · Dividend changeSep 18, 2026
- 8-K · SEC filingAug 25, 2026
- SCHEDULE 13G · SEC filingAug 14, 2026
- 8-K · SEC filingJul 29, 2026
- 10-Q · SEC filingJul 29, 2026
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