Morningstar 10% Owner Joseph Mansueto Sells 21,750 Shares

What Happened
Joseph D. Mansueto, a reported 10% owner of Morningstar, sold a total of 21,750 shares of MORN in open-market transactions executed Aug. 17–19, 2026. Reported per-trade prices ranged from about $206.84 to $217.01, and total proceeds across the transactions were approximately $4,572,831. The sales were effected pursuant to a Rule 10b5-1 trading plan adopted by Mansueto on November 19, 2025.

Key Details

• Transaction dates: Aug 17–19, 2026 (filed Aug 19, 2026). Reported per-trade prices span $206.84–$217.01; several trades were reported as weighted-average prices with intra-trade ranges (see footnotes F2–F16).
• Total shares sold: 21,750. Total reported proceeds: ≈ $4,572,831. (Individual trade breakdown in the filing.)
• Shares owned after the transaction: Not specified in the provided excerpt — see the full Form 4 for post-transaction holdings.
• Notable footnotes: F1 — sales made under a Rule 10b5-1 plan (adopted Nov 19, 2025). F2–F16 — many trades were executed in multiple fills; reported prices are weighted averages and detailed per-trade ranges are available on request. F17–F18 — some shares are held in grantor retained annuity trusts and child-benefit trusts (reporting person serves/relates to trustees).
• Filing timeliness: Filing date is Aug 19, 2026 covering trades Aug 17–19; the provided data does not indicate a late filing flag.

Context
As a 10% owner, Mansueto is a large shareholder rather than a routine payroll-level executive; sales under a pre-established 10b5-1 plan are commonly scheduled and may not reflect current views on the company. S = Sale (insider sale). For full trade-level detail (individual fills, exact prices per trade, and updated holdings), consult the complete Form 4 filing.