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The price reported above reflects the weighted average sales price. The reporting person hereby undertakes to provide upon request to the SEC staff, Morningstar or a shareholder of Morningstar full information regarding the number of shares and prices at which the transaction was effected."}],"balance_after":7938192,"source":{"system":"sec-edgar","filing":"0001324069-26-000045","document":"wk-form4_1787606143.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":6,"url":"https://www.sec.gov/Archives/edgar/data/1289419/000132406926000045/wk-form4_1787606143.xml","form_type":"4"}},{"id":677256,"issuer":{"id":915,"kind":"organization","name":"Morningstar, Inc.","symbol":"MORN"},"owners":[{"id":20300,"kind":"person","name":"Mansueto Joseph D","position":1,"cik":"0001324069","reported_name":"Mansueto Joseph D","relationship":{"director":true,"officer":true,"ten_percent_owner":true,"other":false,"officer_title":"Executive Chairman"}}],"security":"Common Stock","published_at":"2026-08-24T21:15:46.000Z","date":"2026-08-24","kind":"sale","planned":true,"acquired":false,"shares":1314,"price":220.4227,"value":289635.4278,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 19, 2025."},{"field":"price","element":"transactionPricePerShare","label":"F6","text":"The transaction was executed in multiple trades at prices ranging from $219.9600 to $220.8400. The price reported above reflects the weighted average sales price. The reporting person hereby undertakes to provide upon request to the SEC staff, Morningstar or a shareholder of Morningstar full information regarding the number of shares and prices at which the transaction was effected."}],"balance_after":7938418,"source":{"system":"sec-edgar","filing":"0001324069-26-000045","document":"wk-form4_1787606143.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/1289419/000132406926000045/wk-form4_1787606143.xml","form_type":"4"}},{"id":677255,"issuer":{"id":915,"kind":"organization","name":"Morningstar, Inc.","symbol":"MORN"},"owners":[{"id":20300,"kind":"person","name":"Mansueto Joseph D","position":1,"cik":"0001324069","reported_name":"Mansueto Joseph D","relationship":{"director":true,"officer":true,"ten_percent_owner":true,"other":false,"officer_title":"Executive Chairman"}}],"security":"Common Stock","published_at":"2026-08-24T21:15:46.000Z","date":"2026-08-24","kind":"sale","planned":true,"acquired":false,"shares":978,"price":219.4366,"value":214608.9948,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 19, 2025."},{"field":"price","element":"transactionPricePerShare","label":"F5","text":"The transaction was executed in multiple trades at prices ranging from $218.9400 to $219.9100. The price reported above reflects the weighted average sales price. The reporting person hereby undertakes to provide upon request to the SEC staff, Morningstar or a shareholder of Morningstar full information regarding the number of shares and prices at which the transaction was effected."}],"balance_after":7939732,"source":{"system":"sec-edgar","filing":"0001324069-26-000045","document":"wk-form4_1787606143.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1289419/000132406926000045/wk-form4_1787606143.xml","form_type":"4"}},{"id":677254,"issuer":{"id":915,"kind":"organization","name":"Morningstar, Inc.","symbol":"MORN"},"owners":[{"id":20300,"kind":"person","name":"Mansueto Joseph D","position":1,"cik":"0001324069","reported_name":"Mansueto Joseph D","relationship":{"director":true,"officer":true,"ten_percent_owner":true,"other":false,"officer_title":"Executive Chairman"}}],"security":"Common Stock","published_at":"2026-08-24T21:15:46.000Z","date":"2026-08-24","kind":"sale","planned":true,"acquired":false,"shares":1740,"price":218.4334,"value":380074.116,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 19, 2025."},{"field":"price","element":"transactionPricePerShare","label":"F4","text":"The transaction was executed in multiple trades at prices ranging from $217.9400 to $218.9000. The price reported above reflects the weighted average sales price. The reporting person hereby undertakes to provide upon request to the SEC staff, Morningstar or a shareholder of Morningstar full information regarding the number of shares and prices at which the transaction was effected."}],"balance_after":7940710,"source":{"system":"sec-edgar","filing":"0001324069-26-000045","document":"wk-form4_1787606143.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1289419/000132406926000045/wk-form4_1787606143.xml","form_type":"4"}},{"id":677253,"issuer":{"id":915,"kind":"organization","name":"Morningstar, Inc.","symbol":"MORN"},"owners":[{"id":20300,"kind":"person","name":"Mansueto Joseph D","position":1,"cik":"0001324069","reported_name":"Mansueto Joseph D","relationship":{"director":true,"officer":true,"ten_percent_owner":true,"other":false,"officer_title":"Executive Chairman"}}],"security":"Common Stock","published_at":"2026-08-24T21:15:46.000Z","date":"2026-08-24","kind":"sale","planned":true,"acquired":false,"shares":1181,"price":217.2571,"value":256580.6351,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 19, 2025."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"The transaction was executed in multiple trades at prices ranging from $216.8500 to $217.8300. The price reported above reflects the weighted average sales price. The reporting person hereby undertakes to provide upon request to the SEC staff, Morningstar or a shareholder of Morningstar full information regarding the number of shares and prices at which the transaction was effected."}],"balance_after":7942450,"source":{"system":"sec-edgar","filing":"0001324069-26-000045","document":"wk-form4_1787606143.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1289419/000132406926000045/wk-form4_1787606143.xml","form_type":"4"}},{"id":677252,"issuer":{"id":915,"kind":"organization","name":"Morningstar, Inc.","symbol":"MORN"},"owners":[{"id":20300,"kind":"person","name":"Mansueto Joseph D","position":1,"cik":"0001324069","reported_name":"Mansueto Joseph D","relationship":{"director":true,"officer":true,"ten_percent_owner":true,"other":false,"officer_title":"Executive Chairman"}}],"security":"Common Stock","published_at":"2026-08-24T21:15:46.000Z","date":"2026-08-24","kind":"sale","planned":true,"acquired":false,"shares":220,"price":216.0083,"value":47521.826,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 19, 2025."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The transaction was executed in multiple trades at prices ranging from $215.7100 to $216.4800. The price reported above reflects the weighted average sales price. The reporting person hereby undertakes to provide upon request to the SEC staff, Morningstar or a shareholder of Morningstar full information regarding the number of shares and prices at which the transaction was effected."}],"balance_after":7943631,"source":{"system":"sec-edgar","filing":"0001324069-26-000045","document":"wk-form4_1787606143.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1289419/000132406926000045/wk-form4_1787606143.xml","form_type":"4"}},{"id":678623,"issuer":{"id":915,"kind":"organization","name":"Morningstar, Inc.","symbol":"MORN"},"owners":[{"id":20300,"kind":"person","name":"Mansueto Joseph D","position":1,"cik":"0001324069","reported_name":"Mansueto Joseph D","relationship":{"director":true,"officer":true,"ten_percent_owner":true,"other":false,"officer_title":"Executive Chairman"}}],"security":"Common Stock","published_at":"2026-08-21T20:47:15.000Z","date":"2026-08-21","kind":"sale","planned":true,"acquired":false,"shares":268,"price":217.5665,"value":58307.822,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 19, 2025."},{"field":"price","element":"transactionPricePerShare","label":"F8","text":"The transaction was executed in multiple trades at prices ranging from $217.4900 to $217.6800. The price reported above reflects the weighted average sales price. The reporting person hereby undertakes to provide upon request to the SEC staff, Morningstar or a shareholder of Morningstar full information regarding the number of shares and prices at which the transaction was effected."}],"balance_after":7943851,"source":{"system":"sec-edgar","filing":"0001324069-26-000043","document":"wk-form4_1787345232.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":7,"url":"https://www.sec.gov/Archives/edgar/data/1289419/000132406926000043/wk-form4_1787345232.xml","form_type":"4"}},{"id":678622,"issuer":{"id":915,"kind":"organization","name":"Morningstar, Inc.","symbol":"MORN"},"owners":[{"id":20300,"kind":"person","name":"Mansueto Joseph D","position":1,"cik":"0001324069","reported_name":"Mansueto Joseph D","relationship":{"director":true,"officer":true,"ten_percent_owner":true,"other":false,"officer_title":"Executive Chairman"}}],"security":"Common Stock","published_at":"2026-08-21T20:47:15.000Z","date":"2026-08-21","kind":"sale","planned":true,"acquired":false,"shares":3827,"price":216.6975,"value":829301.3325,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 19, 2025."},{"field":"price","element":"transactionPricePerShare","label":"F7","text":"The transaction was executed in multiple trades at prices ranging from $216.4900 to $217.4700. The price reported above reflects the weighted average sales price. The reporting person hereby undertakes to provide upon request to the SEC staff, Morningstar or a shareholder of Morningstar full information regarding the number of shares and prices at which the transaction was effected."}],"balance_after":7944119,"source":{"system":"sec-edgar","filing":"0001324069-26-000043","document":"wk-form4_1787345232.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":6,"url":"https://www.sec.gov/Archives/edgar/data/1289419/000132406926000043/wk-form4_1787345232.xml","form_type":"4"}},{"id":678621,"issuer":{"id":915,"kind":"organization","name":"Morningstar, Inc.","symbol":"MORN"},"owners":[{"id":20300,"kind":"person","name":"Mansueto Joseph D","position":1,"cik":"0001324069","reported_name":"Mansueto Joseph D","relationship":{"director":true,"officer":true,"ten_percent_owner":true,"other":false,"officer_title":"Executive Chairman"}}],"security":"Common Stock","published_at":"2026-08-21T20:47:15.000Z","date":"2026-08-20","kind":"sale","planned":true,"acquired":false,"shares":501,"price":217.1331,"value":108783.6831,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 19, 2025."},{"field":"price","element":"transactionPricePerShare","label":"F6","text":"The transaction was executed in multiple trades at prices ranging from $216.9100 to $217.3750. The price reported above reflects the weighted average sales price. The reporting person hereby undertakes to provide upon request to the SEC staff, Morningstar or a shareholder of Morningstar full information regarding the number of shares and prices at which the transaction was effected."}],"balance_after":7947946,"source":{"system":"sec-edgar","filing":"0001324069-26-000043","document":"wk-form4_1787345232.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/1289419/000132406926000043/wk-form4_1787345232.xml","form_type":"4"}},{"id":678620,"issuer":{"id":915,"kind":"organization","name":"Morningstar, Inc.","symbol":"MORN"},"owners":[{"id":20300,"kind":"person","name":"Mansueto Joseph D","position":1,"cik":"0001324069","reported_name":"Mansueto Joseph D","relationship":{"director":true,"officer":true,"ten_percent_owner":true,"other":false,"officer_title":"Executive Chairman"}}],"security":"Common Stock","published_at":"2026-08-21T20:47:15.000Z","date":"2026-08-20","kind":"sale","planned":true,"acquired":false,"shares":295,"price":216.1577,"value":63766.5215,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 19, 2025."},{"field":"price","element":"transactionPricePerShare","label":"F5","text":"The transaction was executed in multiple trades at prices ranging from $215.7800 to $216.6100. The price reported above reflects the weighted average sales price. The reporting person hereby undertakes to provide upon request to the SEC staff, Morningstar or a shareholder of Morningstar full information regarding the number of shares and prices at which the transaction was effected."}],"balance_after":7948447,"source":{"system":"sec-edgar","filing":"0001324069-26-000043","document":"wk-form4_1787345232.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1289419/000132406926000043/wk-form4_1787345232.xml","form_type":"4"}},{"id":678619,"issuer":{"id":915,"kind":"organization","name":"Morningstar, Inc.","symbol":"MORN"},"owners":[{"id":20300,"kind":"person","name":"Mansueto Joseph D","position":1,"cik":"0001324069","reported_name":"Mansueto Joseph D","relationship":{"director":true,"officer":true,"ten_percent_owner":true,"other":false,"officer_title":"Executive Chairman"}}],"security":"Common Stock","published_at":"2026-08-21T20:47:15.000Z","date":"2026-08-20","kind":"sale","planned":true,"acquired":false,"shares":1938,"price":215.175,"value":417009.15,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 19, 2025."},{"field":"price","element":"transactionPricePerShare","label":"F4","text":"The transaction was executed in multiple trades at prices ranging from $214.7600 to $215.7100. The price reported above reflects the weighted average sales price. The reporting person hereby undertakes to provide upon request to the SEC staff, Morningstar or a shareholder of Morningstar full information regarding the number of shares and prices at which the transaction was effected."}],"balance_after":7948742,"source":{"system":"sec-edgar","filing":"0001324069-26-000043","document":"wk-form4_1787345232.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1289419/000132406926000043/wk-form4_1787345232.xml","form_type":"4"}},{"id":678618,"issuer":{"id":915,"kind":"organization","name":"Morningstar, Inc.","symbol":"MORN"},"owners":[{"id":20300,"kind":"person","name":"Mansueto Joseph D","position":1,"cik":"0001324069","reported_name":"Mansueto Joseph D","relationship":{"director":true,"officer":true,"ten_percent_owner":true,"other":false,"officer_title":"Executive Chairman"}}],"security":"Common Stock","published_at":"2026-08-21T20:47:15.000Z","date":"2026-08-20","kind":"sale","planned":true,"acquired":false,"shares":1359,"price":214.165,"value":291050.235,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 19, 2025."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"The transaction was executed in multiple trades at prices ranging from $213.7450 to $214.7200. The price reported above reflects the weighted average sales price. The reporting person hereby undertakes to provide upon request to the SEC staff, Morningstar or a shareholder of Morningstar full information regarding the number of shares and prices at which the transaction was effected."}],"balance_after":7950680,"source":{"system":"sec-edgar","filing":"0001324069-26-000043","document":"wk-form4_1787345232.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1289419/000132406926000043/wk-form4_1787345232.xml","form_type":"4"}},{"id":678617,"issuer":{"id":915,"kind":"organization","name":"Morningstar, Inc.","symbol":"MORN"},"owners":[{"id":20300,"kind":"person","name":"Mansueto Joseph D","position":1,"cik":"0001324069","reported_name":"Mansueto Joseph D","relationship":{"director":true,"officer":true,"ten_percent_owner":true,"other":false,"officer_title":"Executive Chairman"}}],"security":"Common Stock","published_at":"2026-08-21T20:47:15.000Z","date":"2026-08-20","kind":"sale","planned":true,"acquired":false,"shares":3157,"price":212.8663,"value":672018.9091,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 19, 2025."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The transaction was executed in multiple trades at prices ranging from $212.6650 to $213.5600. The price reported above reflects the weighted average sales price. The reporting person hereby undertakes to provide upon request to the SEC staff, Morningstar or a shareholder of Morningstar full information regarding the number of shares and prices at which the transaction was effected."}],"balance_after":7952039,"source":{"system":"sec-edgar","filing":"0001324069-26-000043","document":"wk-form4_1787345232.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1289419/000132406926000043/wk-form4_1787345232.xml","form_type":"4"}},{"id":681205,"issuer":{"id":915,"kind":"organization","name":"Morningstar, Inc.","symbol":"MORN"},"owners":[{"id":20300,"kind":"person","name":"Mansueto Joseph D","position":1,"cik":"0001324069","reported_name":"Mansueto Joseph D","relationship":{"director":true,"officer":true,"ten_percent_owner":true,"other":false,"officer_title":"Executive Chairman"}}],"security":"Common Stock","published_at":"2026-08-19T21:31:11.000Z","date":"2026-08-19","kind":"sale","planned":true,"acquired":false,"shares":189,"price":217.0109,"value":41015.0601,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 19, 2025."},{"field":"price","element":"transactionPricePerShare","label":"F16","text":"The transaction was executed in multiple trades at prices ranging from $216.7500 to $217.3275. The price reported above reflects the weighted average sales price. The reporting person hereby undertakes to provide upon request to the SEC staff, Morningstar or a shareholder of Morningstar full information regarding the number of shares and prices at which the transaction was effected."}],"balance_after":7955196,"source":{"system":"sec-edgar","filing":"0001324069-26-000041","document":"wk-form4_1787175068.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":15,"url":"https://www.sec.gov/Archives/edgar/data/1289419/000132406926000041/wk-form4_1787175068.xml","form_type":"4"}},{"id":681204,"issuer":{"id":915,"kind":"organization","name":"Morningstar, Inc.","symbol":"MORN"},"owners":[{"id":20300,"kind":"person","name":"Mansueto Joseph D","position":1,"cik":"0001324069","reported_name":"Mansueto Joseph D","relationship":{"director":true,"officer":true,"ten_percent_owner":true,"other":false,"officer_title":"Executive Chairman"}}],"security":"Common Stock","published_at":"2026-08-19T21:31:11.000Z","date":"2026-08-19","kind":"sale","planned":true,"acquired":false,"shares":369,"price":215.9257,"value":79676.5833,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 19, 2025."},{"field":"price","element":"transactionPricePerShare","label":"F15","text":"The transaction was executed in multiple trades at prices ranging from $215.3900 to $216.3400. The price reported above reflects the weighted average sales price. The reporting person hereby undertakes to provide upon request to the SEC staff, Morningstar or a shareholder of Morningstar full information regarding the number of shares and prices at which the transaction was effected."}],"balance_after":7955385,"source":{"system":"sec-edgar","filing":"0001324069-26-000041","document":"wk-form4_1787175068.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":14,"url":"https://www.sec.gov/Archives/edgar/data/1289419/000132406926000041/wk-form4_1787175068.xml","form_type":"4"}},{"id":681203,"issuer":{"id":915,"kind":"organization","name":"Morningstar, Inc.","symbol":"MORN"},"owners":[{"id":20300,"kind":"person","name":"Mansueto Joseph D","position":1,"cik":"0001324069","reported_name":"Mansueto Joseph D","relationship":{"director":true,"officer":true,"ten_percent_owner":true,"other":false,"officer_title":"Executive Chairman"}}],"security":"Common Stock","published_at":"2026-08-19T21:31:11.000Z","date":"2026-08-19","kind":"sale","planned":true,"acquired":false,"shares":1785,"price":214.8112,"value":383437.992,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 19, 2025."},{"field":"price","element":"transactionPricePerShare","label":"F14","text":"The transaction was executed in multiple trades at prices ranging from $214.3850 to $215.3800. The price reported above reflects the weighted average sales price. The reporting person hereby undertakes to provide upon request to the SEC staff, Morningstar or a shareholder of Morningstar full information regarding the number of shares and prices at which the transaction was effected."}],"balance_after":7955754,"source":{"system":"sec-edgar","filing":"0001324069-26-000041","document":"wk-form4_1787175068.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":13,"url":"https://www.sec.gov/Archives/edgar/data/1289419/000132406926000041/wk-form4_1787175068.xml","form_type":"4"}},{"id":681202,"issuer":{"id":915,"kind":"organization","name":"Morningstar, Inc.","symbol":"MORN"},"owners":[{"id":20300,"kind":"person","name":"Mansueto Joseph D","position":1,"cik":"0001324069","reported_name":"Mansueto Joseph D","relationship":{"director":true,"officer":true,"ten_percent_owner":true,"other":false,"officer_title":"Executive Chairman"}}],"security":"Common Stock","published_at":"2026-08-19T21:31:11.000Z","date":"2026-08-19","kind":"sale","planned":true,"acquired":false,"shares":3031,"price":213.9596,"value":648511.5476,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 19, 2025."},{"field":"price","element":"transactionPricePerShare","label":"F13","text":"The transaction was executed in multiple trades at prices ranging from $213.3750 to $214.3575. The price reported above reflects the weighted average sales price. The reporting person hereby undertakes to provide upon request to the SEC staff, Morningstar or a shareholder of Morningstar full information regarding the number of shares and prices at which the transaction was effected."}],"balance_after":7957539,"source":{"system":"sec-edgar","filing":"0001324069-26-000041","document":"wk-form4_1787175068.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":12,"url":"https://www.sec.gov/Archives/edgar/data/1289419/000132406926000041/wk-form4_1787175068.xml","form_type":"4"}},{"id":681201,"issuer":{"id":915,"kind":"organization","name":"Morningstar, Inc.","symbol":"MORN"},"owners":[{"id":20300,"kind":"person","name":"Mansueto Joseph D","position":1,"cik":"0001324069","reported_name":"Mansueto Joseph D","relationship":{"director":true,"officer":true,"ten_percent_owner":true,"other":false,"officer_title":"Executive Chairman"}}],"security":"Common Stock","published_at":"2026-08-19T21:31:11.000Z","date":"2026-08-18","kind":"sale","planned":true,"acquired":false,"shares":656,"price":212.534,"value":139422.304,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 19, 2025."},{"field":"price","element":"transactionPricePerShare","label":"F12","text":"The transaction was executed in multiple trades at prices ranging from $212.2075 to $212.9000. The price reported above reflects the weighted average sales price. The reporting person hereby undertakes to provide upon request to the SEC staff, Morningstar or a shareholder of Morningstar full information regarding the number of shares and prices at which the transaction was effected."}],"balance_after":7960570,"source":{"system":"sec-edgar","filing":"0001324069-26-000041","document":"wk-form4_1787175068.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":11,"url":"https://www.sec.gov/Archives/edgar/data/1289419/000132406926000041/wk-form4_1787175068.xml","form_type":"4"}},{"id":681200,"issuer":{"id":915,"kind":"organization","name":"Morningstar, Inc.","symbol":"MORN"},"owners":[{"id":20300,"kind":"person","name":"Mansueto Joseph D","position":1,"cik":"0001324069","reported_name":"Mansueto Joseph D","relationship":{"director":true,"officer":true,"ten_percent_owner":true,"other":false,"officer_title":"Executive Chairman"}}],"security":"Common Stock","published_at":"2026-08-19T21:31:11.000Z","date":"2026-08-19","kind":"sale","planned":true,"acquired":false,"shares":426,"price":211.5216,"value":90108.2016,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 19, 2025."},{"field":"price","element":"transactionPricePerShare","label":"F11","text":"The transaction was executed in multiple trades at prices ranging from $211.0000 to $211.9800. The price reported above reflects the weighted average sales price. The reporting person hereby undertakes to provide upon request to the SEC staff, Morningstar or a shareholder of Morningstar full information regarding the number of shares and prices at which the transaction was effected."}],"balance_after":7961226,"source":{"system":"sec-edgar","filing":"0001324069-26-000041","document":"wk-form4_1787175068.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":10,"url":"https://www.sec.gov/Archives/edgar/data/1289419/000132406926000041/wk-form4_1787175068.xml","form_type":"4"}},{"id":681199,"issuer":{"id":915,"kind":"organization","name":"Morningstar, Inc.","symbol":"MORN"},"owners":[{"id":20300,"kind":"person","name":"Mansueto Joseph D","position":1,"cik":"0001324069","reported_name":"Mansueto Joseph D","relationship":{"director":true,"officer":true,"ten_percent_owner":true,"other":false,"officer_title":"Executive Chairman"}}],"security":"Common Stock","published_at":"2026-08-19T21:31:11.000Z","date":"2026-08-19","kind":"sale","planned":true,"acquired":false,"shares":680,"price":210.2439,"value":142965.852,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 19, 2025."},{"field":"price","element":"transactionPricePerShare","label":"F10","text":"The transaction was executed in multiple trades at prices ranging from $209.7700 to $210.7200. The price reported above reflects the weighted average sales price. The reporting person hereby undertakes to provide upon request to the SEC staff, Morningstar or a shareholder of Morningstar full information regarding the number of shares and prices at which the transaction was effected."}],"balance_after":7961652,"source":{"system":"sec-edgar","filing":"0001324069-26-000041","document":"wk-form4_1787175068.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":9,"url":"https://www.sec.gov/Archives/edgar/data/1289419/000132406926000041/wk-form4_1787175068.xml","form_type":"4"}},{"id":681198,"issuer":{"id":915,"kind":"organization","name":"Morningstar, Inc.","symbol":"MORN"},"owners":[{"id":20300,"kind":"person","name":"Mansueto Joseph D","position":1,"cik":"0001324069","reported_name":"Mansueto Joseph D","relationship":{"director":true,"officer":true,"ten_percent_owner":true,"other":false,"officer_title":"Executive Chairman"}}],"security":"Common Stock","published_at":"2026-08-19T21:31:11.000Z","date":"2026-08-19","kind":"sale","planned":true,"acquired":false,"shares":114,"price":208.2084,"value":23735.7576,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 19, 2025."},{"field":"price","element":"transactionPricePerShare","label":"F9","text":"The transaction was executed in multiple trades at prices ranging from $208.1900 to $208.3400. The price reported above reflects the weighted average sales price. The reporting person hereby undertakes to provide upon request to the SEC staff, Morningstar or a shareholder of Morningstar full information regarding the number of shares and prices at which the transaction was effected."}],"balance_after":7962332,"source":{"system":"sec-edgar","filing":"0001324069-26-000041","document":"wk-form4_1787175068.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":8,"url":"https://www.sec.gov/Archives/edgar/data/1289419/000132406926000041/wk-form4_1787175068.xml","form_type":"4"}},{"id":681197,"issuer":{"id":915,"kind":"organization","name":"Morningstar, Inc.","symbol":"MORN"},"owners":[{"id":20300,"kind":"person","name":"Mansueto Joseph D","position":1,"cik":"0001324069","reported_name":"Mansueto Joseph D","relationship":{"director":true,"officer":true,"ten_percent_owner":true,"other":false,"officer_title":"Executive Chairman"}}],"security":"Common Stock","published_at":"2026-08-19T21:31:11.000Z","date":"2026-08-18","kind":"sale","planned":true,"acquired":false,"shares":106,"price":212.2047,"value":22493.6982,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 19, 2025."},{"field":"price","element":"transactionPricePerShare","label":"F8","text":"The transaction was executed in multiple trades at prices ranging from $212.0750 to $212.6100. The price reported above reflects the weighted average sales price. The reporting person hereby undertakes to provide upon request to the SEC staff, Morningstar or a shareholder of Morningstar full information regarding the number of shares and prices at which the transaction was effected."}],"balance_after":7962446,"source":{"system":"sec-edgar","filing":"0001324069-26-000041","document":"wk-form4_1787175068.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":7,"url":"https://www.sec.gov/Archives/edgar/data/1289419/000132406926000041/wk-form4_1787175068.xml","form_type":"4"}},{"id":681196,"issuer":{"id":915,"kind":"organization","name":"Morningstar, Inc.","symbol":"MORN"},"owners":[{"id":20300,"kind":"person","name":"Mansueto Joseph D","position":1,"cik":"0001324069","reported_name":"Mansueto Joseph D","relationship":{"director":true,"officer":true,"ten_percent_owner":true,"other":false,"officer_title":"Executive Chairman"}}],"security":"Common Stock","published_at":"2026-08-19T21:31:11.000Z","date":"2026-08-18","kind":"sale","planned":true,"acquired":false,"shares":1588,"price":211.2599,"value":335480.7212,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 19, 2025."},{"field":"price","element":"transactionPricePerShare","label":"F7","text":"The transaction was executed in multiple trades at prices ranging from $210.8900 to $211.8200. The price reported above reflects the weighted average sales price. The reporting person hereby undertakes to provide upon request to the SEC staff, Morningstar or a shareholder of Morningstar full information regarding the number of shares and prices at which the transaction was effected."}],"balance_after":7962552,"source":{"system":"sec-edgar","filing":"0001324069-26-000041","document":"wk-form4_1787175068.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":6,"url":"https://www.sec.gov/Archives/edgar/data/1289419/000132406926000041/wk-form4_1787175068.xml","form_type":"4"}},{"id":681195,"issuer":{"id":915,"kind":"organization","name":"Morningstar, Inc.","symbol":"MORN"},"owners":[{"id":20300,"kind":"person","name":"Mansueto Joseph D","position":1,"cik":"0001324069","reported_name":"Mansueto Joseph D","relationship":{"director":true,"officer":true,"ten_percent_owner":true,"other":false,"officer_title":"Executive Chairman"}}],"security":"Common Stock","published_at":"2026-08-19T21:31:11.000Z","date":"2026-08-18","kind":"sale","planned":true,"acquired":false,"shares":2708,"price":210.3198,"value":569546.0184,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 19, 2025."},{"field":"price","element":"transactionPricePerShare","label":"F6","text":"The transaction was executed in multiple trades at prices ranging from $209.8900 to $210.8200. The price reported above reflects the weighted average sales price. The reporting person hereby undertakes to provide upon request to the SEC staff, Morningstar or a shareholder of Morningstar full information regarding the number of shares and prices at which the transaction was effected."}],"balance_after":7964140,"source":{"system":"sec-edgar","filing":"0001324069-26-000041","document":"wk-form4_1787175068.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/1289419/000132406926000041/wk-form4_1787175068.xml","form_type":"4"}},{"id":681194,"issuer":{"id":915,"kind":"organization","name":"Morningstar, Inc.","symbol":"MORN"},"owners":[{"id":20300,"kind":"person","name":"Mansueto Joseph D","position":1,"cik":"0001324069","reported_name":"Mansueto Joseph D","relationship":{"director":true,"officer":true,"ten_percent_owner":true,"other":false,"officer_title":"Executive Chairman"}}],"security":"Common Stock","published_at":"2026-08-19T21:31:11.000Z","date":"2026-08-18","kind":"sale","planned":true,"acquired":false,"shares":1935,"price":209.481,"value":405345.735,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 19, 2025."},{"field":"price","element":"transactionPricePerShare","label":"F5","text":"The transaction was executed in multiple trades at prices ranging from $208.8700 to $209.7900. The price reported above reflects the weighted average sales price. The reporting person hereby undertakes to provide upon request to the SEC staff, Morningstar or a shareholder of Morningstar full information regarding the number of shares and prices at which the transaction was effected."}],"balance_after":7966848,"source":{"system":"sec-edgar","filing":"0001324069-26-000041","document":"wk-form4_1787175068.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1289419/000132406926000041/wk-form4_1787175068.xml","form_type":"4"}},{"id":681193,"issuer":{"id":915,"kind":"organization","name":"Morningstar, Inc.","symbol":"MORN"},"owners":[{"id":20300,"kind":"person","name":"Mansueto Joseph D","position":1,"cik":"0001324069","reported_name":"Mansueto Joseph D","relationship":{"director":true,"officer":true,"ten_percent_owner":true,"other":false,"officer_title":"Executive Chairman"}}],"security":"Common Stock","published_at":"2026-08-19T21:31:11.000Z","date":"2026-08-18","kind":"sale","planned":true,"acquired":false,"shares":913,"price":208.1296,"value":190022.3248,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 19, 2025."},{"field":"price","element":"transactionPricePerShare","label":"F4","text":"The transaction was executed in multiple trades at prices ranging from $207.8650 to $208.8250. The price reported above reflects the weighted average sales price. The reporting person hereby undertakes to provide upon request to the SEC staff, Morningstar or a shareholder of Morningstar full information regarding the number of shares and prices at which the transaction was effected."}],"balance_after":7968783,"source":{"system":"sec-edgar","filing":"0001324069-26-000041","document":"wk-form4_1787175068.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1289419/000132406926000041/wk-form4_1787175068.xml","form_type":"4"}},{"id":681192,"issuer":{"id":915,"kind":"organization","name":"Morningstar, Inc.","symbol":"MORN"},"owners":[{"id":20300,"kind":"person","name":"Mansueto Joseph D","position":1,"cik":"0001324069","reported_name":"Mansueto Joseph D","relationship":{"director":true,"officer":true,"ten_percent_owner":true,"other":false,"officer_title":"Executive Chairman"}}],"security":"Common Stock","published_at":"2026-08-19T21:31:11.000Z","date":"2026-08-17","kind":"sale","planned":true,"acquired":false,"shares":1501,"price":207.8128,"value":311927.0128,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 19, 2025."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"The transaction was executed in multiple trades at prices ranging from $207.4800 to $208.2900. The price reported above reflects the weighted average sales price. The reporting person hereby undertakes to provide upon request to the SEC staff, Morningstar or a shareholder of Morningstar full information regarding the number of shares and prices at which the transaction was effected."}],"balance_after":7969696,"source":{"system":"sec-edgar","filing":"0001324069-26-000041","document":"wk-form4_1787175068.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1289419/000132406926000041/wk-form4_1787175068.xml","form_type":"4"}},{"id":681191,"issuer":{"id":915,"kind":"organization","name":"Morningstar, Inc.","symbol":"MORN"},"owners":[{"id":20300,"kind":"person","name":"Mansueto Joseph D","position":1,"cik":"0001324069","reported_name":"Mansueto Joseph D","relationship":{"director":true,"officer":true,"ten_percent_owner":true,"other":false,"officer_title":"Executive Chairman"}}],"security":"Common Stock","published_at":"2026-08-19T21:31:11.000Z","date":"2026-08-17","kind":"sale","planned":true,"acquired":false,"shares":5749,"price":206.8431,"value":1189140.9819,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 19, 2025."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The transaction was executed in multiple trades at prices ranging from $206.4100 to $207.3900. The price reported above reflects the weighted average sales price. The reporting person hereby undertakes to provide upon request to the SEC staff, Morningstar or a shareholder of Morningstar full information regarding the number of shares and prices at which the transaction was effected."}],"balance_after":7971197,"source":{"system":"sec-edgar","filing":"0001324069-26-000041","document":"wk-form4_1787175068.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1289419/000132406926000041/wk-form4_1787175068.xml","form_type":"4"}},{"id":686650,"issuer":{"id":915,"kind":"organization","name":"Morningstar, Inc.","symbol":"MORN"},"owners":[{"id":20300,"kind":"person","name":"Mansueto Joseph D","position":1,"cik":"0001324069","reported_name":"Mansueto Joseph D","relationship":{"director":true,"officer":true,"ten_percent_owner":true,"other":false,"officer_title":"Executive Chairman"}}],"security":"Common Stock","published_at":"2026-08-14T21:56:39.000Z","date":"2026-08-14","kind":"sale","planned":true,"acquired":false,"shares":277,"price":209.384,"value":57999.368,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 19, 2025."},{"field":"price","element":"transactionPricePerShare","label":"F12","text":"The transaction was executed in multiple trades at prices ranging from $209.1025 to $209.7000. The price reported above reflects the weighted average sales price. The reporting person hereby undertakes to provide upon request to the SEC staff, Morningstar or a shareholder of Morningstar full information regarding the number of shares and prices at which the transaction was effected."}],"balance_after":7976946,"source":{"system":"sec-edgar","filing":"0001324069-26-000039","document":"wk-form4_1786744596.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":12,"url":"https://www.sec.gov/Archives/edgar/data/1289419/000132406926000039/wk-form4_1786744596.xml","form_type":"4"}},{"id":686649,"issuer":{"id":915,"kind":"organization","name":"Morningstar, Inc.","symbol":"MORN"},"owners":[{"id":20300,"kind":"person","name":"Mansueto Joseph D","position":1,"cik":"0001324069","reported_name":"Mansueto Joseph D","relationship":{"director":true,"officer":true,"ten_percent_owner":true,"other":false,"officer_title":"Executive Chairman"}}],"security":"Common Stock","published_at":"2026-08-14T21:56:39.000Z","date":"2026-08-14","kind":"sale","planned":true,"acquired":false,"shares":240,"price":208.4503,"value":50028.072,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 19, 2025."},{"field":"price","element":"transactionPricePerShare","label":"F11","text":"The transaction was executed in multiple trades at prices ranging from $207.9900 to $208.8700. The price reported above reflects the weighted average sales price. The reporting person hereby undertakes to provide upon request to the SEC staff, Morningstar or a shareholder of Morningstar full information regarding the number of shares and prices at which the transaction was effected."}],"balance_after":7977223,"source":{"system":"sec-edgar","filing":"0001324069-26-000039","document":"wk-form4_1786744596.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":11,"url":"https://www.sec.gov/Archives/edgar/data/1289419/000132406926000039/wk-form4_1786744596.xml","form_type":"4"}},{"id":686648,"issuer":{"id":915,"kind":"organization","name":"Morningstar, Inc.","symbol":"MORN"},"owners":[{"id":20300,"kind":"person","name":"Mansueto Joseph D","position":1,"cik":"0001324069","reported_name":"Mansueto Joseph D","relationship":{"director":true,"officer":true,"ten_percent_owner":true,"other":false,"officer_title":"Executive Chairman"}}],"security":"Common Stock","published_at":"2026-08-14T21:56:39.000Z","date":"2026-08-14","kind":"sale","planned":true,"acquired":false,"shares":2809,"price":207.3288,"value":582386.5992,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 19, 2025."},{"field":"price","element":"transactionPricePerShare","label":"F10","text":"The transaction was executed in multiple trades at prices ranging from $206.9050 to $207.8600. The price reported above reflects the weighted average sales price. The reporting person hereby undertakes to provide upon request to the SEC staff, Morningstar or a shareholder of Morningstar full information regarding the number of shares and prices at which the transaction was effected."}],"balance_after":7977463,"source":{"system":"sec-edgar","filing":"0001324069-26-000039","document":"wk-form4_1786744596.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":10,"url":"https://www.sec.gov/Archives/edgar/data/1289419/000132406926000039/wk-form4_1786744596.xml","form_type":"4"}},{"id":686647,"issuer":{"id":915,"kind":"organization","name":"Morningstar, Inc.","symbol":"MORN"},"owners":[{"id":20300,"kind":"person","name":"Mansueto Joseph D","position":1,"cik":"0001324069","reported_name":"Mansueto Joseph D","relationship":{"director":true,"officer":true,"ten_percent_owner":true,"other":false,"officer_title":"Executive Chairman"}}],"security":"Common Stock","published_at":"2026-08-14T21:56:39.000Z","date":"2026-08-14","kind":"sale","planned":true,"acquired":false,"shares":3924,"price":206.2815,"value":809448.606,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 19, 2025."},{"field":"price","element":"transactionPricePerShare","label":"F9","text":"The transaction was executed in multiple trades at prices ranging from $205.8900 to $206.8700. The price reported above reflects the weighted average sales price. The reporting person hereby undertakes to provide upon request to the SEC staff, Morningstar or a shareholder of Morningstar full information regarding the number of shares and prices at which the transaction was effected."}],"balance_after":7980272,"source":{"system":"sec-edgar","filing":"0001324069-26-000039","document":"wk-form4_1786744596.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":9,"url":"https://www.sec.gov/Archives/edgar/data/1289419/000132406926000039/wk-form4_1786744596.xml","form_type":"4"}},{"id":686646,"issuer":{"id":915,"kind":"organization","name":"Morningstar, Inc.","symbol":"MORN"},"owners":[{"id":20300,"kind":"person","name":"Mansueto Joseph D","position":1,"cik":"0001324069","reported_name":"Mansueto Joseph D","relationship":{"director":true,"officer":true,"ten_percent_owner":true,"other":false,"officer_title":"Executive Chairman"}}],"security":"Common Stock","published_at":"2026-08-14T21:56:39.000Z","date":"2026-08-13","kind":"sale","planned":true,"acquired":false,"shares":178,"price":206.784,"value":36807.552,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 19, 2025."},{"field":"price","element":"transactionPricePerShare","label":"F8","text":"The transaction was executed in multiple trades at prices ranging from $206.5000 to $207.4100. The price reported above reflects the weighted average sales price. The reporting person hereby undertakes to provide upon request to the SEC staff, Morningstar or a shareholder of Morningstar full information regarding the number of shares and prices at which the transaction was effected."}],"balance_after":7984196,"source":{"system":"sec-edgar","filing":"0001324069-26-000039","document":"wk-form4_1786744596.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":8,"url":"https://www.sec.gov/Archives/edgar/data/1289419/000132406926000039/wk-form4_1786744596.xml","form_type":"4"}},{"id":686645,"issuer":{"id":915,"kind":"organization","name":"Morningstar, Inc.","symbol":"MORN"},"owners":[{"id":20300,"kind":"person","name":"Mansueto Joseph D","position":1,"cik":"0001324069","reported_name":"Mansueto Joseph D","relationship":{"director":true,"officer":true,"ten_percent_owner":true,"other":false,"officer_title":"Executive Chairman"}}],"security":"Common Stock","published_at":"2026-08-14T21:56:39.000Z","date":"2026-08-13","kind":"sale","planned":true,"acquired":false,"shares":52,"price":205.6575,"value":10694.19,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 19, 2025."},{"field":"price","element":"transactionPricePerShare","label":"F7","text":"The transaction was executed in multiple trades at prices ranging from $205.1850 to $206.1300. The price reported above reflects the weighted average sales price. The reporting person hereby undertakes to provide upon request to the SEC staff, Morningstar or a shareholder of Morningstar full information regarding the number of shares and prices at which the transaction was effected."}],"balance_after":7984374,"source":{"system":"sec-edgar","filing":"0001324069-26-000039","document":"wk-form4_1786744596.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":7,"url":"https://www.sec.gov/Archives/edgar/data/1289419/000132406926000039/wk-form4_1786744596.xml","form_type":"4"}},{"id":686644,"issuer":{"id":915,"kind":"organization","name":"Morningstar, Inc.","symbol":"MORN"},"owners":[{"id":20300,"kind":"person","name":"Mansueto Joseph D","position":1,"cik":"0001324069","reported_name":"Mansueto Joseph D","relationship":{"director":true,"officer":true,"ten_percent_owner":true,"other":false,"officer_title":"Executive Chairman"}}],"security":"Common Stock","published_at":"2026-08-14T21:56:39.000Z","date":"2026-08-13","kind":"sale","planned":true,"acquired":false,"shares":78,"price":203.7933,"value":15895.8774,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 19, 2025."},{"field":"price","element":"transactionPricePerShare","label":"F6","text":"The transaction was executed in multiple trades at prices ranging from $203.3200 to $204.2700. The price reported above reflects the weighted average sales price. The reporting person hereby undertakes to provide upon request to the SEC staff, Morningstar or a shareholder of Morningstar full information regarding the number of shares and prices at which the transaction was effected."}],"balance_after":7984426,"source":{"system":"sec-edgar","filing":"0001324069-26-000039","document":"wk-form4_1786744596.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":6,"url":"https://www.sec.gov/Archives/edgar/data/1289419/000132406926000039/wk-form4_1786744596.xml","form_type":"4"}},{"id":686643,"issuer":{"id":915,"kind":"organization","name":"Morningstar, Inc.","symbol":"MORN"},"owners":[{"id":20300,"kind":"person","name":"Mansueto Joseph D","position":1,"cik":"0001324069","reported_name":"Mansueto Joseph D","relationship":{"director":true,"officer":true,"ten_percent_owner":true,"other":false,"officer_title":"Executive Chairman"}}],"security":"Common Stock","published_at":"2026-08-14T21:56:39.000Z","date":"2026-08-13","kind":"sale","planned":true,"acquired":false,"shares":52,"price":202.085,"value":10508.42,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 19, 2025."},{"field":"price","element":"transactionPricePerShare","label":"F5","text":"The transaction was executed in multiple trades at prices ranging from $201.8200 to $202.3500. The price reported above reflects the weighted average sales price. The reporting person hereby undertakes to provide upon request to the SEC staff, Morningstar or a shareholder of Morningstar full information regarding the number of shares and prices at which the transaction was effected."}],"balance_after":7984504,"source":{"system":"sec-edgar","filing":"0001324069-26-000039","document":"wk-form4_1786744596.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/1289419/000132406926000039/wk-form4_1786744596.xml","form_type":"4"}},{"id":686642,"issuer":{"id":915,"kind":"organization","name":"Morningstar, Inc.","symbol":"MORN"},"owners":[{"id":20300,"kind":"person","name":"Mansueto Joseph D","position":1,"cik":"0001324069","reported_name":"Mansueto Joseph D","relationship":{"director":true,"officer":true,"ten_percent_owner":true,"other":false,"officer_title":"Executive Chairman"}}],"security":"Common Stock","published_at":"2026-08-14T21:56:39.000Z","date":"2026-08-13","kind":"sale","planned":true,"acquired":false,"shares":26,"price":199.75,"value":5193.5,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 19, 2025."}],"balance_after":7984556,"source":{"system":"sec-edgar","filing":"0001324069-26-000039","document":"wk-form4_1786744596.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1289419/000132406926000039/wk-form4_1786744596.xml","form_type":"4"}},{"id":686641,"issuer":{"id":915,"kind":"organization","name":"Morningstar, Inc.","symbol":"MORN"},"owners":[{"id":20300,"kind":"person","name":"Mansueto Joseph D","position":1,"cik":"0001324069","reported_name":"Mansueto Joseph D","relationship":{"director":true,"officer":true,"ten_percent_owner":true,"other":false,"officer_title":"Executive Chairman"}}],"security":"Common Stock","published_at":"2026-08-14T21:56:39.000Z","date":"2026-08-13","kind":"sale","planned":true,"acquired":false,"shares":430,"price":198.9596,"value":85552.628,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 19, 2025."},{"field":"price","element":"transactionPricePerShare","label":"F4","text":"The transaction was executed in multiple trades at prices ranging from $198.5350 to $199.5175. The price reported above reflects the weighted average sales price. The reporting person hereby undertakes to provide upon request to the SEC staff, Morningstar or a shareholder of Morningstar full information regarding the number of shares and prices at which the transaction was effected."}],"balance_after":7984582,"source":{"system":"sec-edgar","filing":"0001324069-26-000039","document":"wk-form4_1786744596.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1289419/000132406926000039/wk-form4_1786744596.xml","form_type":"4"}},{"id":686640,"issuer":{"id":915,"kind":"organization","name":"Morningstar, Inc.","symbol":"MORN"},"owners":[{"id":20300,"kind":"person","name":"Mansueto Joseph D","position":1,"cik":"0001324069","reported_name":"Mansueto Joseph D","relationship":{"director":true,"officer":true,"ten_percent_owner":true,"other":false,"officer_title":"Executive Chairman"}}],"security":"Common Stock","published_at":"2026-08-14T21:56:39.000Z","date":"2026-08-13","kind":"sale","planned":true,"acquired":false,"shares":2936,"price":197.8752,"value":580961.5872,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 19, 2025."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"The transaction was executed in multiple trades at prices ranging from $197.5200 to $198.4300. The price reported above reflects the weighted average sales price. The reporting person hereby undertakes to provide upon request to the SEC staff, Morningstar or a shareholder of Morningstar full information regarding the number of shares and prices at which the transaction was effected."}],"balance_after":7985012,"source":{"system":"sec-edgar","filing":"0001324069-26-000039","document":"wk-form4_1786744596.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1289419/000132406926000039/wk-form4_1786744596.xml","form_type":"4"}},{"id":686639,"issuer":{"id":915,"kind":"organization","name":"Morningstar, Inc.","symbol":"MORN"},"owners":[{"id":20300,"kind":"person","name":"Mansueto Joseph D","position":1,"cik":"0001324069","reported_name":"Mansueto Joseph D","relationship":{"director":true,"officer":true,"ten_percent_owner":true,"other":false,"officer_title":"Executive Chairman"}}],"security":"Common Stock","published_at":"2026-08-14T21:56:39.000Z","date":"2026-08-13","kind":"sale","planned":true,"acquired":false,"shares":3498,"price":197.0645,"value":689331.621,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 19, 2025."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The transaction was executed in multiple trades at prices ranging from $196.5200 to $197.5025. The price reported above reflects the weighted average sales price. The reporting person hereby undertakes to provide upon request to the SEC staff, Morningstar or a shareholder of Morningstar full information regarding the number of shares and prices at which the transaction was effected."}],"balance_after":7987948,"source":{"system":"sec-edgar","filing":"0001324069-26-000039","document":"wk-form4_1786744596.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1289419/000132406926000039/wk-form4_1786744596.xml","form_type":"4"}},{"id":689148,"issuer":{"id":915,"kind":"organization","name":"Morningstar, Inc.","symbol":"MORN"},"owners":[{"id":20300,"kind":"person","name":"Mansueto Joseph D","position":1,"cik":"0001324069","reported_name":"Mansueto Joseph D","relationship":{"director":true,"officer":true,"ten_percent_owner":true,"other":false,"officer_title":"Executive Chairman"}}],"security":"Common Stock","published_at":"2026-08-12T22:54:57.000Z","date":"2026-08-12","kind":"sale","planned":true,"acquired":false,"shares":26,"price":197.63,"value":5138.38,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 19, 2025."}],"balance_after":7991446,"source":{"system":"sec-edgar","filing":"0001324069-26-000037","document":"wk-form4_1786575294.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":6,"url":"https://www.sec.gov/Archives/edgar/data/1289419/000132406926000037/wk-form4_1786575294.xml","form_type":"4"}},{"id":689147,"issuer":{"id":915,"kind":"organization","name":"Morningstar, Inc.","symbol":"MORN"},"owners":[{"id":20300,"kind":"person","name":"Mansueto Joseph D","position":1,"cik":"0001324069","reported_name":"Mansueto Joseph D","relationship":{"director":true,"officer":true,"ten_percent_owner":true,"other":false,"officer_title":"Executive Chairman"}}],"security":"Common Stock","published_at":"2026-08-12T22:54:57.000Z","date":"2026-08-12","kind":"sale","planned":true,"acquired":false,"shares":291,"price":197.0863,"value":57352.1133,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 19, 2025."},{"field":"price","element":"transactionPricePerShare","label":"F6","text":"The transaction was executed in multiple trades at prices ranging from $196.5800 to $197.5650. The price reported above reflects the weighted average sales price. The reporting person hereby undertakes to provide upon request to the SEC staff, Morningstar or a shareholder of Morningstar full information regarding the number of shares and prices at which the transaction was effected."}],"balance_after":7991472,"source":{"system":"sec-edgar","filing":"0001324069-26-000037","document":"wk-form4_1786575294.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/1289419/000132406926000037/wk-form4_1786575294.xml","form_type":"4"}},{"id":689146,"issuer":{"id":915,"kind":"organization","name":"Morningstar, Inc.","symbol":"MORN"},"owners":[{"id":20300,"kind":"person","name":"Mansueto Joseph D","position":1,"cik":"0001324069","reported_name":"Mansueto Joseph D","relationship":{"director":true,"officer":true,"ten_percent_owner":true,"other":false,"officer_title":"Executive Chairman"}}],"security":"Common Stock","published_at":"2026-08-12T22:54:57.000Z","date":"2026-08-12","kind":"sale","planned":true,"acquired":false,"shares":1906,"price":195.7703,"value":373138.1918,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 19, 2025."},{"field":"price","element":"transactionPricePerShare","label":"F5","text":"The transaction was executed in multiple trades at prices ranging from $195.4700 to $196.3300. The price reported above reflects the weighted average sales price. The reporting person hereby undertakes to provide upon request to the SEC staff, Morningstar or a shareholder of Morningstar full information regarding the number of shares and prices at which the transaction was effected."}],"balance_after":7991763,"source":{"system":"sec-edgar","filing":"0001324069-26-000037","document":"wk-form4_1786575294.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1289419/000132406926000037/wk-form4_1786575294.xml","form_type":"4"}},{"id":689145,"issuer":{"id":915,"kind":"organization","name":"Morningstar, Inc.","symbol":"MORN"},"owners":[{"id":20300,"kind":"person","name":"Mansueto Joseph D","position":1,"cik":"0001324069","reported_name":"Mansueto Joseph D","relationship":{"director":true,"officer":true,"ten_percent_owner":true,"other":false,"officer_title":"Executive Chairman"}}],"security":"Common Stock","published_at":"2026-08-12T22:54:57.000Z","date":"2026-08-12","kind":"sale","planned":true,"acquired":false,"shares":5027,"price":194.956,"value":980043.812,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 19, 2025."},{"field":"price","element":"transactionPricePerShare","label":"F4","text":"The transaction was executed in multiple trades at prices ranging from $194.4700 to $195.4550. The price reported above reflects the weighted average sales price. The reporting person hereby undertakes to provide upon request to the SEC staff, Morningstar or a shareholder of Morningstar full information regarding the number of shares and prices at which the transaction was effected."}],"balance_after":7993669,"source":{"system":"sec-edgar","filing":"0001324069-26-000037","document":"wk-form4_1786575294.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1289419/000132406926000037/wk-form4_1786575294.xml","form_type":"4"}},{"id":689144,"issuer":{"id":915,"kind":"organization","name":"Morningstar, Inc.","symbol":"MORN"},"owners":[{"id":20300,"kind":"person","name":"Mansueto Joseph D","position":1,"cik":"0001324069","reported_name":"Mansueto Joseph D","relationship":{"director":true,"officer":true,"ten_percent_owner":true,"other":false,"officer_title":"Executive Chairman"}}],"security":"Common Stock","published_at":"2026-08-12T22:54:57.000Z","date":"2026-08-11","kind":"sale","planned":true,"acquired":false,"shares":974,"price":200.3167,"value":195108.4658,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 19, 2025."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"The transaction was executed in multiple trades at prices ranging from $200.0300 to $201.0150. The price reported above reflects the weighted average sales price. The reporting person hereby undertakes to provide upon request to the SEC staff, Morningstar or a shareholder of Morningstar full information regarding the number of shares and prices at which the transaction was effected."}],"balance_after":7998696,"source":{"system":"sec-edgar","filing":"0001324069-26-000037","document":"wk-form4_1786575294.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1289419/000132406926000037/wk-form4_1786575294.xml","form_type":"4"}},{"id":689143,"issuer":{"id":915,"kind":"organization","name":"Morningstar, Inc.","symbol":"MORN"},"owners":[{"id":20300,"kind":"person","name":"Mansueto Joseph D","position":1,"cik":"0001324069","reported_name":"Mansueto Joseph D","relationship":{"director":true,"officer":true,"ten_percent_owner":true,"other":false,"officer_title":"Executive Chairman"}}],"security":"Common Stock","published_at":"2026-08-12T22:54:57.000Z","date":"2026-08-10","kind":"sale","planned":true,"acquired":false,"shares":7250,"price":201.8441,"value":1463369.725,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 19, 2025."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The transaction was executed in multiple trades at prices ranging from $201.8433 to $201.8491. The price reported above reflects the weighted average sales price. The reporting person hereby undertakes to provide upon request to the SEC staff, Morningstar or a shareholder of Morningstar full information regarding the number of shares and prices at which the transaction was effected."}],"balance_after":7999670,"source":{"system":"sec-edgar","filing":"0001324069-26-000037","document":"wk-form4_1786575294.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1289419/000132406926000037/wk-form4_1786575294.xml","form_type":"4"}},{"id":692960,"issuer":{"id":915,"kind":"organization","name":"Morningstar, Inc.","symbol":"MORN"},"owners":[{"id":20300,"kind":"person","name":"Mansueto Joseph D","position":1,"cik":"0001324069","reported_name":"Mansueto Joseph D","relationship":{"director":true,"officer":true,"ten_percent_owner":true,"other":false,"officer_title":"Executive Chairman"}}],"security":"Common Stock","published_at":"2026-08-07T23:12:24.000Z","date":"2026-08-07","kind":"sale","planned":true,"acquired":false,"shares":506,"price":201.5287,"value":101973.5222,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 19, 2025."},{"field":"price","element":"transactionPricePerShare","label":"F7","text":"The transaction was executed in multiple trades at prices ranging from $201.0900 to $201.8150. The price reported above reflects the weighted average sales price. The reporting person hereby undertakes to provide upon request to the SEC staff, Morningstar or a shareholder of Morningstar full information regarding the number of shares and prices at which the transaction was effected."}],"balance_after":8006920,"source":{"system":"sec-edgar","filing":"0001324069-26-000035","document":"wk-form4_1786144341.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":6,"url":"https://www.sec.gov/Archives/edgar/data/1289419/000132406926000035/wk-form4_1786144341.xml","form_type":"4"}},{"id":692959,"issuer":{"id":915,"kind":"organization","name":"Morningstar, Inc.","symbol":"MORN"},"owners":[{"id":20300,"kind":"person","name":"Mansueto Joseph D","position":1,"cik":"0001324069","reported_name":"Mansueto Joseph D","relationship":{"director":true,"officer":true,"ten_percent_owner":true,"other":false,"officer_title":"Executive Chairman"}}],"security":"Common Stock","published_at":"2026-08-07T23:12:24.000Z","date":"2026-08-07","kind":"sale","planned":true,"acquired":false,"shares":2566,"price":200.4033,"value":514234.8678,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 19, 2025."},{"field":"price","element":"transactionPricePerShare","label":"F6","text":"The transaction was executed in multiple trades at prices ranging from $200.0300 to $200.9800. The price reported above reflects the weighted average sales price. The reporting person hereby undertakes to provide upon request to the SEC staff, Morningstar or a shareholder of Morningstar full information regarding the number of shares and prices at which the transaction was effected."}],"balance_after":8007426,"source":{"system":"sec-edgar","filing":"0001324069-26-000035","document":"wk-form4_1786144341.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/1289419/000132406926000035/wk-form4_1786144341.xml","form_type":"4"}},{"id":692958,"issuer":{"id":915,"kind":"organization","name":"Morningstar, Inc.","symbol":"MORN"},"owners":[{"id":20300,"kind":"person","name":"Mansueto Joseph D","position":1,"cik":"0001324069","reported_name":"Mansueto Joseph D","relationship":{"director":true,"officer":true,"ten_percent_owner":true,"other":false,"officer_title":"Executive Chairman"}}],"security":"Common Stock","published_at":"2026-08-07T23:12:24.000Z","date":"2026-08-07","kind":"sale","planned":true,"acquired":false,"shares":2559,"price":199.34,"value":510111.06,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 19, 2025."},{"field":"price","element":"transactionPricePerShare","label":"F5","text":"The transaction was executed in multiple trades at prices ranging from $199.0050 to $199.9100\n. The price reported above reflects the weighted average sales price. The reporting person hereby undertakes to provide upon request to the SEC staff, Morningstar or a shareholder of Morningstar full information regarding the number of shares and prices at which the transaction was effected."}],"balance_after":8009992,"source":{"system":"sec-edgar","filing":"0001324069-26-000035","document":"wk-form4_1786144341.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1289419/000132406926000035/wk-form4_1786144341.xml","form_type":"4"}},{"id":692957,"issuer":{"id":915,"kind":"organization","name":"Morningstar, Inc.","symbol":"MORN"},"owners":[{"id":20300,"kind":"person","name":"Mansueto Joseph D","position":1,"cik":"0001324069","reported_name":"Mansueto Joseph D","relationship":{"director":true,"officer":true,"ten_percent_owner":true,"other":false,"officer_title":"Executive Chairman"}}],"security":"Common Stock","published_at":"2026-08-07T23:12:24.000Z","date":"2026-08-07","kind":"sale","planned":true,"acquired":false,"shares":1453,"price":198.4928,"value":288410.0384,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 19, 2025."},{"field":"price","element":"transactionPricePerShare","label":"F4","text":"The transaction was executed in multiple trades at prices ranging from $198.0000 to $198.7800. The price reported above reflects the weighted average sales price. The reporting person hereby undertakes to provide upon request to the SEC staff, Morningstar or a shareholder of Morningstar full information regarding the number of shares and prices at which the transaction was effected."}],"balance_after":8012551,"source":{"system":"sec-edgar","filing":"0001324069-26-000035","document":"wk-form4_1786144341.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1289419/000132406926000035/wk-form4_1786144341.xml","form_type":"4"}},{"id":692956,"issuer":{"id":915,"kind":"organization","name":"Morningstar, Inc.","symbol":"MORN"},"owners":[{"id":20300,"kind":"person","name":"Mansueto Joseph D","position":1,"cik":"0001324069","reported_name":"Mansueto Joseph D","relationship":{"director":true,"officer":true,"ten_percent_owner":true,"other":false,"officer_title":"Executive Chairman"}}],"security":"Common Stock","published_at":"2026-08-07T23:12:24.000Z","date":"2026-08-07","kind":"sale","planned":true,"acquired":false,"shares":166,"price":196.1643,"value":32563.2738,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 19, 2025."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"The transaction was executed in multiple trades at prices ranging from $195.9800 to $196.3450. The price reported above reflects the weighted average sales price. The reporting person hereby undertakes to provide upon request to the SEC staff, Morningstar or a shareholder of Morningstar full information regarding the number of shares and prices at which the transaction was effected."}],"balance_after":8014004,"source":{"system":"sec-edgar","filing":"0001324069-26-000035","document":"wk-form4_1786144341.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1289419/000132406926000035/wk-form4_1786144341.xml","form_type":"4"}},{"id":692955,"issuer":{"id":915,"kind":"organization","name":"Morningstar, Inc.","symbol":"MORN"},"owners":[{"id":20300,"kind":"person","name":"Mansueto Joseph D","position":1,"cik":"0001324069","reported_name":"Mansueto Joseph D","relationship":{"director":true,"officer":true,"ten_percent_owner":true,"other":false,"officer_title":"Executive Chairman"}}],"security":"Common Stock","published_at":"2026-08-07T23:12:24.000Z","date":"2026-08-06","kind":"sale","planned":true,"acquired":false,"shares":2272,"price":198.3846,"value":450729.8112,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 19, 2025."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The transaction was executed in multiple trades at prices ranging from $198.3300 to $198.5000. The price reported above reflects the weighted average sales price. The reporting person hereby undertakes to provide upon request to the SEC staff, Morningstar or a shareholder of Morningstar full information regarding the number of shares and prices at which the transaction was effected."}],"balance_after":8014170,"source":{"system":"sec-edgar","filing":"0001324069-26-000035","document":"wk-form4_1786144341.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1289419/000132406926000035/wk-form4_1786144341.xml","form_type":"4"}},{"id":695476,"issuer":{"id":915,"kind":"organization","name":"Morningstar, Inc.","symbol":"MORN"},"owners":[{"id":20300,"kind":"person","name":"Mansueto Joseph D","position":1,"cik":"0001324069","reported_name":"Mansueto Joseph D","relationship":{"director":true,"officer":true,"ten_percent_owner":true,"other":false,"officer_title":"Executive Chairman"}}],"security":"Common Stock","published_at":"2026-08-05T21:35:07.000Z","date":"2026-08-05","kind":"sale","planned":true,"acquired":false,"shares":30,"price":202.5147,"value":6075.441,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 19, 2025."},{"field":"price","element":"transactionPricePerShare","label":"F13","text":"The transaction was executed in multiple trades at prices ranging from $202.5000 to $202.6100. The price reported above reflects the weighted average sales price. The reporting person hereby undertakes to provide upon request to the SEC staff, Morningstar or a shareholder of Morningstar full information regarding the number of shares and prices at which the transaction was effected."}],"balance_after":8016442,"source":{"system":"sec-edgar","filing":"0001324069-26-000032","document":"wk-form4_1785965701.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":14,"url":"https://www.sec.gov/Archives/edgar/data/1289419/000132406926000032/wk-form4_1785965701.xml","form_type":"4"}},{"id":695475,"issuer":{"id":915,"kind":"organization","name":"Morningstar, Inc.","symbol":"MORN"},"owners":[{"id":20300,"kind":"person","name":"Mansueto Joseph D","position":1,"cik":"0001324069","reported_name":"Mansueto Joseph D","relationship":{"director":true,"officer":true,"ten_percent_owner":true,"other":false,"officer_title":"Executive Chairman"}}],"security":"Common Stock","published_at":"2026-08-05T21:35:07.000Z","date":"2026-08-05","kind":"sale","planned":true,"acquired":false,"shares":1664,"price":201.9844,"value":336102.0416,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 19, 2025."},{"field":"price","element":"transactionPricePerShare","label":"F12","text":"The transaction was executed in multiple trades at prices ranging from $201.4800 to $202.4300. The price reported above reflects the weighted average sales price. The reporting person hereby undertakes to provide upon request to the SEC staff, Morningstar or a shareholder of Morningstar full information regarding the number of shares and prices at which the transaction was effected."}],"balance_after":8016472,"source":{"system":"sec-edgar","filing":"0001324069-26-000032","document":"wk-form4_1785965701.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":13,"url":"https://www.sec.gov/Archives/edgar/data/1289419/000132406926000032/wk-form4_1785965701.xml","form_type":"4"}},{"id":695474,"issuer":{"id":915,"kind":"organization","name":"Morningstar, Inc.","symbol":"MORN"},"owners":[{"id":20300,"kind":"person","name":"Mansueto Joseph D","position":1,"cik":"0001324069","reported_name":"Mansueto Joseph D","relationship":{"director":true,"officer":true,"ten_percent_owner":true,"other":false,"officer_title":"Executive Chairman"}}],"security":"Common Stock","published_at":"2026-08-05T21:35:07.000Z","date":"2026-08-05","kind":"sale","planned":true,"acquired":false,"shares":4310,"price":201.1214,"value":866833.234,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 19, 2025."},{"field":"price","element":"transactionPricePerShare","label":"F11","text":"The transaction was executed in multiple trades at prices ranging from $200.4750 to $201.4500. The price reported above reflects the weighted average sales price. The reporting person hereby undertakes to provide upon request to the SEC staff, Morningstar or a shareholder of Morningstar full information regarding the number of shares and prices at which the transaction was effected."}],"balance_after":8018136,"source":{"system":"sec-edgar","filing":"0001324069-26-000032","document":"wk-form4_1785965701.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":12,"url":"https://www.sec.gov/Archives/edgar/data/1289419/000132406926000032/wk-form4_1785965701.xml","form_type":"4"}},{"id":695473,"issuer":{"id":915,"kind":"organization","name":"Morningstar, Inc.","symbol":"MORN"},"owners":[{"id":20300,"kind":"person","name":"Mansueto Joseph D","position":1,"cik":"0001324069","reported_name":"Mansueto Joseph D","relationship":{"director":true,"officer":true,"ten_percent_owner":true,"other":false,"officer_title":"Executive Chairman"}}],"security":"Common Stock","published_at":"2026-08-05T21:35:07.000Z","date":"2026-08-05","kind":"sale","planned":true,"acquired":false,"shares":1246,"price":199.5788,"value":248675.1848,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 19, 2025."},{"field":"price","element":"transactionPricePerShare","label":"F10","text":"The transaction was executed in multiple trades at prices ranging from $199.2500 to $200.0775. The price reported above reflects the weighted average sales price. The reporting person hereby undertakes to provide upon request to the SEC staff, Morningstar or a shareholder of Morningstar full information regarding the number of shares and prices at which the transaction was effected."}],"balance_after":8022446,"source":{"system":"sec-edgar","filing":"0001324069-26-000032","document":"wk-form4_1785965701.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":11,"url":"https://www.sec.gov/Archives/edgar/data/1289419/000132406926000032/wk-form4_1785965701.xml","form_type":"4"}},{"id":695472,"issuer":{"id":915,"kind":"organization","name":"Morningstar, Inc.","symbol":"MORN"},"owners":[{"id":20300,"kind":"person","name":"Mansueto Joseph D","position":1,"cik":"0001324069","reported_name":"Mansueto Joseph D","relationship":{"director":true,"officer":true,"ten_percent_owner":true,"other":false,"officer_title":"Executive Chairman"}}],"security":"Common Stock","published_at":"2026-08-05T21:35:07.000Z","date":"2026-08-04","kind":"sale","planned":true,"acquired":false,"shares":64,"price":201.1542,"value":12873.8688,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 19, 2025."},{"field":"price","element":"transactionPricePerShare","label":"F9","text":"The transaction was executed in multiple trades at prices ranging from $201.0100 to $201.3100. The price reported above reflects the weighted average sales price. The reporting person hereby undertakes to provide upon request to the SEC staff, Morningstar or a shareholder of Morningstar full information regarding the number of shares and prices at which the transaction was effected."}],"balance_after":8023692,"source":{"system":"sec-edgar","filing":"0001324069-26-000032","document":"wk-form4_1785965701.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":10,"url":"https://www.sec.gov/Archives/edgar/data/1289419/000132406926000032/wk-form4_1785965701.xml","form_type":"4"}},{"id":695471,"issuer":{"id":915,"kind":"organization","name":"Morningstar, Inc.","symbol":"MORN"},"owners":[{"id":20300,"kind":"person","name":"Mansueto Joseph D","position":1,"cik":"0001324069","reported_name":"Mansueto Joseph D","relationship":{"director":true,"officer":true,"ten_percent_owner":true,"other":false,"officer_title":"Executive Chairman"}}],"security":"Common Stock","published_at":"2026-08-05T21:35:07.000Z","date":"2026-08-04","kind":"sale","planned":true,"acquired":false,"shares":2349,"price":200.5705,"value":471140.1045,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 19, 2025."},{"field":"price","element":"transactionPricePerShare","label":"F8","text":"The transaction was executed in multiple trades at prices ranging from $199.9900 to $200.9800. The price reported above reflects the weighted average sales price. The reporting person hereby undertakes to provide upon request to the SEC staff, Morningstar or a shareholder of Morningstar full information regarding the number of shares and prices at which the transaction was effected."}],"balance_after":8023756,"source":{"system":"sec-edgar","filing":"0001324069-26-000032","document":"wk-form4_1785965701.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":9,"url":"https://www.sec.gov/Archives/edgar/data/1289419/000132406926000032/wk-form4_1785965701.xml","form_type":"4"}},{"id":695470,"issuer":{"id":915,"kind":"organization","name":"Morningstar, Inc.","symbol":"MORN"},"owners":[{"id":20300,"kind":"person","name":"Mansueto Joseph D","position":1,"cik":"0001324069","reported_name":"Mansueto Joseph D","relationship":{"director":true,"officer":true,"ten_percent_owner":true,"other":false,"officer_title":"Executive Chairman"}}],"security":"Common Stock","published_at":"2026-08-05T21:35:07.000Z","date":"2026-08-04","kind":"sale","planned":true,"acquired":false,"shares":3840,"price":199.5066,"value":766105.344,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 19, 2025."},{"field":"price","element":"transactionPricePerShare","label":"F7","text":"The transaction was executed in multiple trades at prices ranging from $198.9600 to $199.9300. The price reported above reflects the weighted average sales price. The reporting person hereby undertakes to provide upon request to the SEC staff, Morningstar or a shareholder of Morningstar full information regarding the number of shares and prices at which the transaction was effected."}],"balance_after":8026105,"source":{"system":"sec-edgar","filing":"0001324069-26-000032","document":"wk-form4_1785965701.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":8,"url":"https://www.sec.gov/Archives/edgar/data/1289419/000132406926000032/wk-form4_1785965701.xml","form_type":"4"}},{"id":695469,"issuer":{"id":915,"kind":"organization","name":"Morningstar, Inc.","symbol":"MORN"},"owners":[{"id":20300,"kind":"person","name":"Mansueto Joseph D","position":1,"cik":"0001324069","reported_name":"Mansueto Joseph D","relationship":{"director":true,"officer":true,"ten_percent_owner":true,"other":false,"officer_title":"Executive Chairman"}}],"security":"Common Stock","published_at":"2026-08-05T21:35:07.000Z","date":"2026-08-04","kind":"sale","planned":true,"acquired":false,"shares":997,"price":198.0647,"value":197470.5059,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 19, 2025."},{"field":"price","element":"transactionPricePerShare","label":"F6","text":"The transaction was executed in multiple trades at prices ranging from $197.9300 to $198.6000. The price reported above reflects the weighted average sales price. The reporting person hereby undertakes to provide upon request to the SEC staff, Morningstar or a shareholder of Morningstar full information regarding the number of shares and prices at which the transaction was effected."}],"balance_after":8029945,"source":{"system":"sec-edgar","filing":"0001324069-26-000032","document":"wk-form4_1785965701.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":7,"url":"https://www.sec.gov/Archives/edgar/data/1289419/000132406926000032/wk-form4_1785965701.xml","form_type":"4"}},{"id":695468,"issuer":{"id":915,"kind":"organization","name":"Morningstar, Inc.","symbol":"MORN"},"owners":[{"id":20300,"kind":"person","name":"Mansueto Joseph D","position":1,"cik":"0001324069","reported_name":"Mansueto Joseph D","relationship":{"director":true,"officer":true,"ten_percent_owner":true,"other":false,"officer_title":"Executive Chairman"}}],"security":"Common Stock","published_at":"2026-08-05T21:35:07.000Z","date":"2026-08-03","kind":"sale","planned":true,"acquired":false,"shares":26,"price":200.87,"value":5222.62,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 19, 2025."}],"balance_after":8030942,"source":{"system":"sec-edgar","filing":"0001324069-26-000032","document":"wk-form4_1785965701.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":6,"url":"https://www.sec.gov/Archives/edgar/data/1289419/000132406926000032/wk-form4_1785965701.xml","form_type":"4"}},{"id":695467,"issuer":{"id":915,"kind":"organization","name":"Morningstar, Inc.","symbol":"MORN"},"owners":[{"id":20300,"kind":"person","name":"Mansueto Joseph D","position":1,"cik":"0001324069","reported_name":"Mansueto Joseph D","relationship":{"director":true,"officer":true,"ten_percent_owner":true,"other":false,"officer_title":"Executive Chairman"}}],"security":"Common Stock","published_at":"2026-08-05T21:35:07.000Z","date":"2026-08-03","kind":"sale","planned":true,"acquired":false,"shares":2568,"price":199.7752,"value":513022.7136,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 19, 2025."},{"field":"price","element":"transactionPricePerShare","label":"F5","text":"The transaction was executed in multiple trades at prices ranging from $199.4450 to $200.3800. The price reported above reflects the weighted average sales price. The reporting person hereby undertakes to provide upon request to the SEC staff, Morningstar or a shareholder of Morningstar full information regarding the number of shares and prices at which the transaction was effected."}],"balance_after":8030968,"source":{"system":"sec-edgar","filing":"0001324069-26-000032","document":"wk-form4_1785965701.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/1289419/000132406926000032/wk-form4_1785965701.xml","form_type":"4"}},{"id":695466,"issuer":{"id":915,"kind":"organization","name":"Morningstar, Inc.","symbol":"MORN"},"owners":[{"id":20300,"kind":"person","name":"Mansueto Joseph D","position":1,"cik":"0001324069","reported_name":"Mansueto Joseph D","relationship":{"director":true,"officer":true,"ten_percent_owner":true,"other":false,"officer_title":"Executive Chairman"}}],"security":"Common Stock","published_at":"2026-08-05T21:35:07.000Z","date":"2026-08-03","kind":"sale","planned":true,"acquired":false,"shares":4043,"price":199.0617,"value":804806.4531,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 19, 2025."},{"field":"price","element":"transactionPricePerShare","label":"F4","text":"The transaction was executed in multiple trades at prices ranging from $198.4400 to $199.4150. The price reported above reflects the weighted average sales price. The reporting person hereby undertakes to provide upon request to the SEC staff, Morningstar or a shareholder of Morningstar full information regarding the number of shares and prices at which the transaction was effected."}],"balance_after":8033536,"source":{"system":"sec-edgar","filing":"0001324069-26-000032","document":"wk-form4_1785965701.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1289419/000132406926000032/wk-form4_1785965701.xml","form_type":"4"}},{"id":695465,"issuer":{"id":915,"kind":"organization","name":"Morningstar, Inc.","symbol":"MORN"},"owners":[{"id":20300,"kind":"person","name":"Mansueto Joseph D","position":1,"cik":"0001324069","reported_name":"Mansueto Joseph D","relationship":{"director":true,"officer":true,"ten_percent_owner":true,"other":false,"officer_title":"Executive Chairman"}}],"security":"Common Stock","published_at":"2026-08-05T21:35:07.000Z","date":"2026-08-03","kind":"sale","planned":true,"acquired":false,"shares":573,"price":197.7234,"value":113295.5082,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 19, 2025."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"The transaction was executed in multiple trades at prices ranging from $197.4250 to $198.1800. The price reported above reflects the weighted average sales price. The reporting person hereby undertakes to provide upon request to the SEC staff, Morningstar or a shareholder of Morningstar full information regarding the number of shares and prices at which the transaction was effected."}],"balance_after":8037579,"source":{"system":"sec-edgar","filing":"0001324069-26-000032","document":"wk-form4_1785965701.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1289419/000132406926000032/wk-form4_1785965701.xml","form_type":"4"}},{"id":695464,"issuer":{"id":915,"kind":"organization","name":"Morningstar, Inc.","symbol":"MORN"},"owners":[{"id":20300,"kind":"person","name":"Mansueto Joseph D","position":1,"cik":"0001324069","reported_name":"Mansueto Joseph D","relationship":{"director":true,"officer":true,"ten_percent_owner":true,"other":false,"officer_title":"Executive Chairman"}}],"security":"Common Stock","published_at":"2026-08-05T21:35:07.000Z","date":"2026-08-03","kind":"sale","planned":true,"acquired":false,"shares":40,"price":196.724,"value":7868.96,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 19, 2025."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The transaction was executed in multiple trades at prices ranging from $196.3600 to $196.9200. The price reported above reflects the weighted average sales price. The reporting person hereby undertakes to provide upon request to the SEC staff, Morningstar or a shareholder of Morningstar full information regarding the number of shares and prices at which the transaction was effected."}],"balance_after":8038152,"source":{"system":"sec-edgar","filing":"0001324069-26-000032","document":"wk-form4_1785965701.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1289419/000132406926000032/wk-form4_1785965701.xml","form_type":"4"}},{"id":695463,"issuer":{"id":915,"kind":"organization","name":"Morningstar, Inc.","symbol":"MORN"},"owners":[{"id":20300,"kind":"person","name":"Mansueto Joseph D","position":1,"cik":"0001324069","reported_name":"Mansueto Joseph D","relationship":{"director":true,"officer":true,"ten_percent_owner":true,"other":false,"officer_title":"Executive Chairman"}}],"security":"Common Stock","published_at":"2026-08-05T21:35:07.000Z","date":"2026-08-03","kind":"gift","planned":true,"acquired":false,"shares":5300,"price":0,"value":0.0,"ownership":{"direct":true},"balance_after":8038192,"source":{"system":"sec-edgar","filing":"0001324069-26-000032","document":"wk-form4_1785965701.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1289419/000132406926000032/wk-form4_1785965701.xml","form_type":"4"}},{"id":765678,"issuer":{"id":915,"kind":"organization","name":"Morningstar, Inc.","symbol":"MORN"},"owners":[{"id":20300,"kind":"person","name":"Mansueto Joseph D","position":1,"cik":"0001324069","reported_name":"Mansueto Joseph D","relationship":{"director":true,"officer":true,"ten_percent_owner":true,"other":false,"officer_title":"Executive Chairman"}}],"security":"Common Stock","published_at":"2026-05-22T20:52:19.000Z","date":"2026-05-22","kind":"sale","planned":true,"acquired":false,"shares":227,"price":179.5194,"value":40750.9038,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 19, 2025."},{"field":"price","element":"transactionPricePerShare","label":"F10","text":"The transaction was executed in multiple trades at prices ranging from $179.1100 to $179.8600. The price reported above reflects the weighted average sales price. The reporting person hereby undertakes to provide upon request to the SEC staff, Morningstar or a shareholder of Morningstar full information regarding the number of shares and prices at which the transaction was effected."}],"balance_after":8043492,"source":{"system":"sec-edgar","filing":"0001324069-26-000030","document":"wk-form4_1779483136.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":9,"url":"https://www.sec.gov/Archives/edgar/data/1289419/000132406926000030/wk-form4_1779483136.xml","form_type":"4"}},{"id":765677,"issuer":{"id":915,"kind":"organization","name":"Morningstar, Inc.","symbol":"MORN"},"owners":[{"id":20300,"kind":"person","name":"Mansueto Joseph D","position":1,"cik":"0001324069","reported_name":"Mansueto Joseph D","relationship":{"director":true,"officer":true,"ten_percent_owner":true,"other":false,"officer_title":"Executive Chairman"}}],"security":"Common Stock","published_at":"2026-05-22T20:52:19.000Z","date":"2026-05-22","kind":"sale","planned":true,"acquired":false,"shares":293,"price":178.3872,"value":52267.4496,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 19, 2025."},{"field":"price","element":"transactionPricePerShare","label":"F9","text":"The transaction was executed in multiple trades at prices ranging from $178.0200 to $178.9700. The price reported above reflects the weighted average sales price. The reporting person hereby undertakes to provide upon request to the SEC staff, Morningstar or a shareholder of Morningstar full information regarding the number of shares and prices at which the transaction was effected."}],"balance_after":8043719,"source":{"system":"sec-edgar","filing":"0001324069-26-000030","document":"wk-form4_1779483136.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":8,"url":"https://www.sec.gov/Archives/edgar/data/1289419/000132406926000030/wk-form4_1779483136.xml","form_type":"4"}},{"id":765676,"issuer":{"id":915,"kind":"organization","name":"Morningstar, Inc.","symbol":"MORN"},"owners":[{"id":20300,"kind":"person","name":"Mansueto Joseph D","position":1,"cik":"0001324069","reported_name":"Mansueto Joseph D","relationship":{"director":true,"officer":true,"ten_percent_owner":true,"other":false,"officer_title":"Executive Chairman"}}],"security":"Common Stock","published_at":"2026-05-22T20:52:19.000Z","date":"2026-05-22","kind":"sale","planned":true,"acquired":false,"shares":578,"price":177.0835,"value":102354.263,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 19, 2025."},{"field":"price","element":"transactionPricePerShare","label":"F8","text":"The transaction was executed in multiple trades at prices ranging from $176.8650 to $177.6150. The price reported above reflects the weighted average sales price. The reporting person hereby undertakes to provide upon request to the SEC staff, Morningstar or a shareholder of Morningstar full information regarding the number of shares and prices at which the transaction was effected."}],"balance_after":8044012,"source":{"system":"sec-edgar","filing":"0001324069-26-000030","document":"wk-form4_1779483136.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":7,"url":"https://www.sec.gov/Archives/edgar/data/1289419/000132406926000030/wk-form4_1779483136.xml","form_type":"4"}},{"id":765675,"issuer":{"id":915,"kind":"organization","name":"Morningstar, Inc.","symbol":"MORN"},"owners":[{"id":20300,"kind":"person","name":"Mansueto Joseph D","position":1,"cik":"0001324069","reported_name":"Mansueto Joseph D","relationship":{"director":true,"officer":true,"ten_percent_owner":true,"other":false,"officer_title":"Executive Chairman"}}],"security":"Common Stock","published_at":"2026-05-22T20:52:19.000Z","date":"2026-05-22","kind":"sale","planned":true,"acquired":false,"shares":741,"price":176.3026,"value":130640.2266,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 19, 2025."},{"field":"price","element":"transactionPricePerShare","label":"F7","text":"The transaction was executed in multiple trades at prices ranging from $175.8450 to $176.8100. The price reported above reflects the weighted average sales price. The reporting person hereby undertakes to provide upon request to the SEC staff, Morningstar or a shareholder of Morningstar full information regarding the number of shares and prices at which the transaction was effected."}],"balance_after":8044590,"source":{"system":"sec-edgar","filing":"0001324069-26-000030","document":"wk-form4_1779483136.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":6,"url":"https://www.sec.gov/Archives/edgar/data/1289419/000132406926000030/wk-form4_1779483136.xml","form_type":"4"}},{"id":765674,"issuer":{"id":915,"kind":"organization","name":"Morningstar, Inc.","symbol":"MORN"},"owners":[{"id":20300,"kind":"person","name":"Mansueto Joseph D","position":1,"cik":"0001324069","reported_name":"Mansueto Joseph D","relationship":{"director":true,"officer":true,"ten_percent_owner":true,"other":false,"officer_title":"Executive Chairman"}}],"security":"Common Stock","published_at":"2026-05-22T20:52:19.000Z","date":"2026-05-22","kind":"sale","planned":true,"acquired":false,"shares":114,"price":174.9761,"value":19947.2754,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 19, 2025."},{"field":"price","element":"transactionPricePerShare","label":"F6","text":"The transaction was executed in multiple trades at prices ranging from $174.6500 to $175.2700. The price reported above reflects the weighted average sales price. The reporting person hereby undertakes to provide upon request to the SEC staff, Morningstar or a shareholder of Morningstar full information regarding the number of shares and prices at which the transaction was effected."}],"balance_after":8045331,"source":{"system":"sec-edgar","filing":"0001324069-26-000030","document":"wk-form4_1779483136.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/1289419/000132406926000030/wk-form4_1779483136.xml","form_type":"4"}},{"id":765673,"issuer":{"id":915,"kind":"organization","name":"Morningstar, Inc.","symbol":"MORN"},"owners":[{"id":20300,"kind":"person","name":"Mansueto Joseph D","position":1,"cik":"0001324069","reported_name":"Mansueto Joseph D","relationship":{"director":true,"officer":true,"ten_percent_owner":true,"other":false,"officer_title":"Executive Chairman"}}],"security":"Common Stock","published_at":"2026-05-22T20:52:19.000Z","date":"2026-05-22","kind":"sale","planned":true,"acquired":false,"shares":317,"price":174.0857,"value":55185.1669,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 19, 2025."},{"field":"price","element":"transactionPricePerShare","label":"F5","text":"The transaction was executed in multiple trades at prices ranging from $173.4100 to $174.3750. The price reported above reflects the weighted average sales price. The reporting person hereby undertakes to provide upon request to the SEC staff, Morningstar or a shareholder of Morningstar full information regarding the number of shares and prices at which the transaction was effected."}],"balance_after":8045445,"source":{"system":"sec-edgar","filing":"0001324069-26-000030","document":"wk-form4_1779483136.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1289419/000132406926000030/wk-form4_1779483136.xml","form_type":"4"}},{"id":765672,"issuer":{"id":915,"kind":"organization","name":"Morningstar, Inc.","symbol":"MORN"},"owners":[{"id":20300,"kind":"person","name":"Mansueto Joseph D","position":1,"cik":"0001324069","reported_name":"Mansueto Joseph D","relationship":{"director":true,"officer":true,"ten_percent_owner":true,"other":false,"officer_title":"Executive Chairman"}}],"security":"Common Stock","published_at":"2026-05-22T20:52:19.000Z","date":"2026-05-21","kind":"sale","planned":true,"acquired":false,"shares":234,"price":174.0722,"value":40732.8948,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 19, 2025."},{"field":"price","element":"transactionPricePerShare","label":"F4","text":"The transaction was executed in multiple trades at prices ranging from $173.7600 to $174.9900. The price reported above reflects the weighted average sales price. The reporting person hereby undertakes to provide upon request to the SEC staff, Morningstar or a shareholder of Morningstar full information regarding the number of shares and prices at which the transaction was effected."}],"balance_after":8045762,"source":{"system":"sec-edgar","filing":"0001324069-26-000030","document":"wk-form4_1779483136.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1289419/000132406926000030/wk-form4_1779483136.xml","form_type":"4"}},{"id":765671,"issuer":{"id":915,"kind":"organization","name":"Morningstar, Inc.","symbol":"MORN"},"owners":[{"id":20300,"kind":"person","name":"Mansueto Joseph D","position":1,"cik":"0001324069","reported_name":"Mansueto Joseph D","relationship":{"director":true,"officer":true,"ten_percent_owner":true,"other":false,"officer_title":"Executive Chairman"}}],"security":"Common Stock","published_at":"2026-05-22T20:52:19.000Z","date":"2026-05-21","kind":"sale","planned":true,"acquired":false,"shares":1935,"price":172.8746,"value":334512.351,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 19, 2025."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"The transaction was executed in multiple trades at prices ranging from $172.6700 to $173.6600. The price reported above reflects the weighted average sales price. The reporting person hereby undertakes to provide upon request to the SEC staff, Morningstar or a shareholder of Morningstar full information regarding the number of shares and prices at which the transaction was effected."}],"balance_after":8045996,"source":{"system":"sec-edgar","filing":"0001324069-26-000030","document":"wk-form4_1779483136.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1289419/000132406926000030/wk-form4_1779483136.xml","form_type":"4"}},{"id":765670,"issuer":{"id":915,"kind":"organization","name":"Morningstar, Inc.","symbol":"MORN"},"owners":[{"id":20300,"kind":"person","name":"Mansueto Joseph D","position":1,"cik":"0001324069","reported_name":"Mansueto Joseph D","relationship":{"director":true,"officer":true,"ten_percent_owner":true,"other":false,"officer_title":"Executive Chairman"}}],"security":"Common Stock","published_at":"2026-05-22T20:52:19.000Z","date":"2026-05-21","kind":"sale","planned":true,"acquired":false,"shares":5081,"price":172.3272,"value":875594.5032,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 19, 2025."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The transaction was executed in multiple trades at prices ranging from $171.6700 to $172.6650. The price reported above reflects the weighted average sales price. The reporting person hereby undertakes to provide upon request to the SEC staff, Morningstar or a shareholder of Morningstar full information regarding the number of shares and prices at which the transaction was effected."}],"balance_after":8047931,"source":{"system":"sec-edgar","filing":"0001324069-26-000030","document":"wk-form4_1779483136.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1289419/000132406926000030/wk-form4_1779483136.xml","form_type":"4"}},{"id":769828,"issuer":{"id":915,"kind":"organization","name":"Morningstar, Inc.","symbol":"MORN"},"owners":[{"id":20300,"kind":"person","name":"Mansueto Joseph D","position":1,"cik":"0001324069","reported_name":"Mansueto Joseph D","relationship":{"director":true,"officer":true,"ten_percent_owner":true,"other":false,"officer_title":"Executive Chairman"}}],"security":"Common Stock","published_at":"2026-05-20T21:06:26.000Z","date":"2026-05-20","kind":"sale","planned":true,"acquired":false,"shares":291,"price":173.1127,"value":50375.7957,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 19, 2025."},{"field":"price","element":"transactionPricePerShare","label":"F16","text":"The transaction was executed in multiple trades at prices ranging from $172.8800 to $173.3300. The price reported above reflects the weighted average sales price. The reporting person hereby undertakes to provide upon request to the SEC staff, Morningstar or a shareholder of Morningstar full information regarding the number of shares and prices at which the transaction was effected."}],"balance_after":8053012,"source":{"system":"sec-edgar","filing":"0001324069-26-000028","document":"wk-form4_1779311183.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":16,"url":"https://www.sec.gov/Archives/edgar/data/1289419/000132406926000028/wk-form4_1779311183.xml","form_type":"4"}},{"id":769827,"issuer":{"id":915,"kind":"organization","name":"Morningstar, Inc.","symbol":"MORN"},"owners":[{"id":20300,"kind":"person","name":"Mansueto Joseph D","position":1,"cik":"0001324069","reported_name":"Mansueto Joseph D","relationship":{"director":true,"officer":true,"ten_percent_owner":true,"other":false,"officer_title":"Executive Chairman"}}],"security":"Common Stock","published_at":"2026-05-20T21:06:26.000Z","date":"2026-05-20","kind":"sale","planned":true,"acquired":false,"shares":1255,"price":172.3331,"value":216278.0405,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 19, 2025."},{"field":"price","element":"transactionPricePerShare","label":"F15","text":"The transaction was executed in multiple trades at prices ranging from $171.8700 to $172.8100. The price reported above reflects the weighted average sales price. The reporting person hereby undertakes to provide upon request to the SEC staff, Morningstar or a shareholder of Morningstar full information regarding the number of shares and prices at which the transaction was effected."}],"balance_after":8053303,"source":{"system":"sec-edgar","filing":"0001324069-26-000028","document":"wk-form4_1779311183.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":15,"url":"https://www.sec.gov/Archives/edgar/data/1289419/000132406926000028/wk-form4_1779311183.xml","form_type":"4"}},{"id":769826,"issuer":{"id":915,"kind":"organization","name":"Morningstar, Inc.","symbol":"MORN"},"owners":[{"id":20300,"kind":"person","name":"Mansueto Joseph D","position":1,"cik":"0001324069","reported_name":"Mansueto Joseph D","relationship":{"director":true,"officer":true,"ten_percent_owner":true,"other":false,"officer_title":"Executive Chairman"}}],"security":"Common Stock","published_at":"2026-05-20T21:06:26.000Z","date":"2026-05-20","kind":"sale","planned":true,"acquired":false,"shares":5704,"price":171.3247,"value":977236.0888,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 19, 2025."},{"field":"price","element":"transactionPricePerShare","label":"F14","text":"The transaction was executed in multiple trades at prices ranging from $170.8350 to $171.8100. The price reported above reflects the weighted average sales price. The reporting person hereby undertakes to provide upon request to the SEC staff, Morningstar or a shareholder of Morningstar full information regarding the number of shares and prices at which the transaction was effected."}],"balance_after":8054558,"source":{"system":"sec-edgar","filing":"0001324069-26-000028","document":"wk-form4_1779311183.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":14,"url":"https://www.sec.gov/Archives/edgar/data/1289419/000132406926000028/wk-form4_1779311183.xml","form_type":"4"}},{"id":769825,"issuer":{"id":915,"kind":"organization","name":"Morningstar, Inc.","symbol":"MORN"},"owners":[{"id":20300,"kind":"person","name":"Mansueto Joseph D","position":1,"cik":"0001324069","reported_name":"Mansueto Joseph D","relationship":{"director":true,"officer":true,"ten_percent_owner":true,"other":false,"officer_title":"Executive Chairman"}}],"security":"Common Stock","published_at":"2026-05-20T21:06:26.000Z","date":"2026-05-19","kind":"sale","planned":true,"acquired":false,"shares":24,"price":182.135,"value":4371.24,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 19, 2025."}],"balance_after":8060262,"source":{"system":"sec-edgar","filing":"0001324069-26-000028","document":"wk-form4_1779311183.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":13,"url":"https://www.sec.gov/Archives/edgar/data/1289419/000132406926000028/wk-form4_1779311183.xml","form_type":"4"}},{"id":769824,"issuer":{"id":915,"kind":"organization","name":"Morningstar, Inc.","symbol":"MORN"},"owners":[{"id":20300,"kind":"person","name":"Mansueto Joseph D","position":1,"cik":"0001324069","reported_name":"Mansueto Joseph D","relationship":{"director":true,"officer":true,"ten_percent_owner":true,"other":false,"officer_title":"Executive Chairman"}}],"security":"Common Stock","published_at":"2026-05-20T21:06:26.000Z","date":"2026-05-19","kind":"sale","planned":true,"acquired":false,"shares":227,"price":181.0465,"value":41097.5555,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 19, 2025."},{"field":"price","element":"transactionPricePerShare","label":"F13","text":"The transaction was executed in multiple trades at prices ranging from $181.0200 to $181.2700. The price reported above reflects the weighted average sales price. The reporting person hereby undertakes to provide upon request to the SEC staff, Morningstar or a shareholder of Morningstar full information regarding the number of shares and prices at which the transaction was effected."}],"balance_after":8060286,"source":{"system":"sec-edgar","filing":"0001324069-26-000028","document":"wk-form4_1779311183.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":12,"url":"https://www.sec.gov/Archives/edgar/data/1289419/000132406926000028/wk-form4_1779311183.xml","form_type":"4"}},{"id":769823,"issuer":{"id":915,"kind":"organization","name":"Morningstar, Inc.","symbol":"MORN"},"owners":[{"id":20300,"kind":"person","name":"Mansueto Joseph D","position":1,"cik":"0001324069","reported_name":"Mansueto Joseph D","relationship":{"director":true,"officer":true,"ten_percent_owner":true,"other":false,"officer_title":"Executive Chairman"}}],"security":"Common Stock","published_at":"2026-05-20T21:06:26.000Z","date":"2026-05-19","kind":"sale","planned":true,"acquired":false,"shares":1726,"price":180.3891,"value":311351.5866,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 19, 2025."},{"field":"price","element":"transactionPricePerShare","label":"F12","text":"The transaction was executed in multiple trades at prices ranging from $180.0100 to $180.7450. The price reported above reflects the weighted average sales price. The reporting person hereby undertakes to provide upon request to the SEC staff, Morningstar or a shareholder of Morningstar full information regarding the number of shares and prices at which the transaction was effected."}],"balance_after":8060513,"source":{"system":"sec-edgar","filing":"0001324069-26-000028","document":"wk-form4_1779311183.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":11,"url":"https://www.sec.gov/Archives/edgar/data/1289419/000132406926000028/wk-form4_1779311183.xml","form_type":"4"}},{"id":769822,"issuer":{"id":915,"kind":"organization","name":"Morningstar, Inc.","symbol":"MORN"},"owners":[{"id":20300,"kind":"person","name":"Mansueto Joseph D","position":1,"cik":"0001324069","reported_name":"Mansueto Joseph D","relationship":{"director":true,"officer":true,"ten_percent_owner":true,"other":false,"officer_title":"Executive Chairman"}}],"security":"Common Stock","published_at":"2026-05-20T21:06:26.000Z","date":"2026-05-19","kind":"sale","planned":true,"acquired":false,"shares":676,"price":179.0768,"value":121055.9168,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 19, 2025."},{"field":"price","element":"transactionPricePerShare","label":"F11","text":"The transaction was executed in multiple trades at prices ranging from $178.6550 to $179.5500. The price reported above reflects the weighted average sales price. The reporting person hereby undertakes to provide upon request to the SEC staff, Morningstar or a shareholder of Morningstar full information regarding the number of shares and prices at which the transaction was effected."}],"balance_after":8062239,"source":{"system":"sec-edgar","filing":"0001324069-26-000028","document":"wk-form4_1779311183.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":10,"url":"https://www.sec.gov/Archives/edgar/data/1289419/000132406926000028/wk-form4_1779311183.xml","form_type":"4"}},{"id":769821,"issuer":{"id":915,"kind":"organization","name":"Morningstar, Inc.","symbol":"MORN"},"owners":[{"id":20300,"kind":"person","name":"Mansueto Joseph D","position":1,"cik":"0001324069","reported_name":"Mansueto Joseph D","relationship":{"director":true,"officer":true,"ten_percent_owner":true,"other":false,"officer_title":"Executive Chairman"}}],"security":"Common Stock","published_at":"2026-05-20T21:06:26.000Z","date":"2026-05-19","kind":"sale","planned":true,"acquired":false,"shares":1446,"price":178.061,"value":257476.206,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 19, 2025."},{"field":"price","element":"transactionPricePerShare","label":"F10","text":"The transaction was executed in multiple trades at prices ranging from $177.5900 to $178.4100. The price reported above reflects the weighted average sales price. The reporting person hereby undertakes to provide upon request to the SEC staff, Morningstar or a shareholder of Morningstar full information regarding the number of shares and prices at which the transaction was effected."}],"balance_after":8062915,"source":{"system":"sec-edgar","filing":"0001324069-26-000028","document":"wk-form4_1779311183.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":9,"url":"https://www.sec.gov/Archives/edgar/data/1289419/000132406926000028/wk-form4_1779311183.xml","form_type":"4"}},{"id":769820,"issuer":{"id":915,"kind":"organization","name":"Morningstar, Inc.","symbol":"MORN"},"owners":[{"id":20300,"kind":"person","name":"Mansueto Joseph D","position":1,"cik":"0001324069","reported_name":"Mansueto Joseph D","relationship":{"director":true,"officer":true,"ten_percent_owner":true,"other":false,"officer_title":"Executive Chairman"}}],"security":"Common Stock","published_at":"2026-05-20T21:06:26.000Z","date":"2026-05-19","kind":"sale","planned":true,"acquired":false,"shares":2629,"price":176.6647,"value":464451.4963,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 19, 2025."},{"field":"price","element":"transactionPricePerShare","label":"F9","text":"The transaction was executed in multiple trades at prices ranging from $176.4650 to $177.4500. The price reported above reflects the weighted average sales price. The reporting person hereby undertakes to provide upon request to the SEC staff, Morningstar or a shareholder of Morningstar full information regarding the number of shares and prices at which the transaction was effected."}],"balance_after":8064361,"source":{"system":"sec-edgar","filing":"0001324069-26-000028","document":"wk-form4_1779311183.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":8,"url":"https://www.sec.gov/Archives/edgar/data/1289419/000132406926000028/wk-form4_1779311183.xml","form_type":"4"}},{"id":769819,"issuer":{"id":915,"kind":"organization","name":"Morningstar, Inc.","symbol":"MORN"},"owners":[{"id":20300,"kind":"person","name":"Mansueto Joseph D","position":1,"cik":"0001324069","reported_name":"Mansueto Joseph D","relationship":{"director":true,"officer":true,"ten_percent_owner":true,"other":false,"officer_title":"Executive Chairman"}}],"security":"Common Stock","published_at":"2026-05-20T21:06:26.000Z","date":"2026-05-18","kind":"sale","planned":true,"acquired":false,"shares":640,"price":177.4179,"value":113547.456,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 19, 2025."},{"field":"price","element":"transactionPricePerShare","label":"F8","text":"The transaction was executed in multiple trades at prices ranging from $177.2600 to $177.6850. The price reported above reflects the weighted average sales price. The reporting person hereby undertakes to provide upon request to the SEC staff, Morningstar or a shareholder of Morningstar full information regarding the number of shares and prices at which the transaction was effected."}],"balance_after":8066990,"source":{"system":"sec-edgar","filing":"0001324069-26-000028","document":"wk-form4_1779311183.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":7,"url":"https://www.sec.gov/Archives/edgar/data/1289419/000132406926000028/wk-form4_1779311183.xml","form_type":"4"}},{"id":769818,"issuer":{"id":915,"kind":"organization","name":"Morningstar, Inc.","symbol":"MORN"},"owners":[{"id":20300,"kind":"person","name":"Mansueto Joseph D","position":1,"cik":"0001324069","reported_name":"Mansueto Joseph D","relationship":{"director":true,"officer":true,"ten_percent_owner":true,"other":false,"officer_title":"Executive Chairman"}}],"security":"Common Stock","published_at":"2026-05-20T21:06:26.000Z","date":"2026-05-18","kind":"sale","planned":true,"acquired":false,"shares":3515,"price":176.8454,"value":621611.581,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 19, 2025."},{"field":"price","element":"transactionPricePerShare","label":"F7","text":"The transaction was executed in multiple trades at prices ranging from $176.2450 to $177.2350. The price reported above reflects the weighted average sales price. The reporting person hereby undertakes to provide upon request to the SEC staff, Morningstar or a shareholder of Morningstar full information regarding the number of shares and prices at which the transaction was effected."}],"balance_after":8067630,"source":{"system":"sec-edgar","filing":"0001324069-26-000028","document":"wk-form4_1779311183.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":6,"url":"https://www.sec.gov/Archives/edgar/data/1289419/000132406926000028/wk-form4_1779311183.xml","form_type":"4"}},{"id":769817,"issuer":{"id":915,"kind":"organization","name":"Morningstar, Inc.","symbol":"MORN"},"owners":[{"id":20300,"kind":"person","name":"Mansueto Joseph D","position":1,"cik":"0001324069","reported_name":"Mansueto Joseph D","relationship":{"director":true,"officer":true,"ten_percent_owner":true,"other":false,"officer_title":"Executive Chairman"}}],"security":"Common Stock","published_at":"2026-05-20T21:06:26.000Z","date":"2026-05-18","kind":"sale","planned":true,"acquired":false,"shares":1620,"price":175.8026,"value":284800.212,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 19, 2025."},{"field":"price","element":"transactionPricePerShare","label":"F6","text":"The transaction was executed in multiple trades at prices ranging from $175.2450 to $176.2200. The price reported above reflects the weighted average sales price. The reporting person hereby undertakes to provide upon request to the SEC staff, Morningstar or a shareholder of Morningstar full information regarding the number of shares and prices at which the transaction was effected."}],"balance_after":8071145,"source":{"system":"sec-edgar","filing":"0001324069-26-000028","document":"wk-form4_1779311183.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/1289419/000132406926000028/wk-form4_1779311183.xml","form_type":"4"}},{"id":769816,"issuer":{"id":915,"kind":"organization","name":"Morningstar, Inc.","symbol":"MORN"},"owners":[{"id":20300,"kind":"person","name":"Mansueto Joseph D","position":1,"cik":"0001324069","reported_name":"Mansueto Joseph D","relationship":{"director":true,"officer":true,"ten_percent_owner":true,"other":false,"officer_title":"Executive Chairman"}}],"security":"Common Stock","published_at":"2026-05-20T21:06:26.000Z","date":"2026-05-18","kind":"sale","planned":true,"acquired":false,"shares":500,"price":174.514,"value":87257.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 19, 2025."},{"field":"price","element":"transactionPricePerShare","label":"F5","text":"The transaction was executed in multiple trades at prices ranging from $174.1850 to $174.9750. The price reported above reflects the weighted average sales price. The reporting person hereby undertakes to provide upon request to the SEC staff, Morningstar or a shareholder of Morningstar full information regarding the number of shares and prices at which the transaction was effected."}],"balance_after":8072765,"source":{"system":"sec-edgar","filing":"0001324069-26-000028","document":"wk-form4_1779311183.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1289419/000132406926000028/wk-form4_1779311183.xml","form_type":"4"}},{"id":769815,"issuer":{"id":915,"kind":"organization","name":"Morningstar, Inc.","symbol":"MORN"},"owners":[{"id":20300,"kind":"person","name":"Mansueto Joseph D","position":1,"cik":"0001324069","reported_name":"Mansueto Joseph D","relationship":{"director":true,"officer":true,"ten_percent_owner":true,"other":false,"officer_title":"Executive Chairman"}}],"security":"Common Stock","published_at":"2026-05-20T21:06:26.000Z","date":"2026-05-18","kind":"sale","planned":true,"acquired":false,"shares":116,"price":173.3755,"value":20111.558,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 19, 2025."},{"field":"price","element":"transactionPricePerShare","label":"F4","text":"The transaction was executed in multiple trades at prices ranging from $173.1600 to $173.4100. The price reported above reflects the weighted average sales price. The reporting person hereby undertakes to provide upon request to the SEC staff, Morningstar or a shareholder of Morningstar full information regarding the number of shares and prices at which the transaction was effected."}],"balance_after":8073265,"source":{"system":"sec-edgar","filing":"0001324069-26-000028","document":"wk-form4_1779311183.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1289419/000132406926000028/wk-form4_1779311183.xml","form_type":"4"}},{"id":769814,"issuer":{"id":915,"kind":"organization","name":"Morningstar, Inc.","symbol":"MORN"},"owners":[{"id":20300,"kind":"person","name":"Mansueto Joseph D","position":1,"cik":"0001324069","reported_name":"Mansueto Joseph D","relationship":{"director":true,"officer":true,"ten_percent_owner":true,"other":false,"officer_title":"Executive Chairman"}}],"security":"Common Stock","published_at":"2026-05-20T21:06:26.000Z","date":"2026-05-18","kind":"sale","planned":true,"acquired":false,"shares":300,"price":172.4283,"value":51728.49,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 19, 2025."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"The transaction was executed in multiple trades at prices ranging from $172.1400 to $172.6150. The price reported above reflects the weighted average sales price. The reporting person hereby undertakes to provide upon request to the SEC staff, Morningstar or a shareholder of Morningstar full information regarding the number of shares and prices at which the transaction was effected."}],"balance_after":8073381,"source":{"system":"sec-edgar","filing":"0001324069-26-000028","document":"wk-form4_1779311183.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1289419/000132406926000028/wk-form4_1779311183.xml","form_type":"4"}},{"id":769813,"issuer":{"id":915,"kind":"organization","name":"Morningstar, Inc.","symbol":"MORN"},"owners":[{"id":20300,"kind":"person","name":"Mansueto Joseph D","position":1,"cik":"0001324069","reported_name":"Mansueto Joseph D","relationship":{"director":true,"officer":true,"ten_percent_owner":true,"other":false,"officer_title":"Executive Chairman"}}],"security":"Common Stock","published_at":"2026-05-20T21:06:26.000Z","date":"2026-05-18","kind":"sale","planned":true,"acquired":false,"shares":559,"price":171.3338,"value":95775.5942,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 19, 2025."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The transaction was executed in multiple trades at prices ranging from $170.7250 to $171.6900. The price reported above reflects the weighted average sales price. The reporting person hereby undertakes to provide upon request to the SEC staff, Morningstar or a shareholder of Morningstar full information regarding the number of shares and prices at which the transaction was effected."}],"balance_after":8073681,"source":{"system":"sec-edgar","filing":"0001324069-26-000028","document":"wk-form4_1779311183.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1289419/000132406926000028/wk-form4_1779311183.xml","form_type":"4"}},{"id":776896,"issuer":{"id":915,"kind":"organization","name":"Morningstar, Inc.","symbol":"MORN"},"owners":[{"id":20300,"kind":"person","name":"Mansueto Joseph D","position":1,"cik":"0001324069","reported_name":"Mansueto Joseph D","relationship":{"director":true,"officer":true,"ten_percent_owner":true,"other":false,"officer_title":"Executive Chairman"}}],"security":"Common Stock","published_at":"2026-05-15T21:41:04.000Z","date":"2026-05-15","kind":"sale","planned":true,"acquired":false,"shares":200,"price":171.47,"value":34294.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 19, 2025."}],"balance_after":8074240,"source":{"system":"sec-edgar","filing":"0001324069-26-000026","document":"wk-form4_1778881261.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":10,"url":"https://www.sec.gov/Archives/edgar/data/1289419/000132406926000026/wk-form4_1778881261.xml","form_type":"4"}},{"id":776895,"issuer":{"id":915,"kind":"organization","name":"Morningstar, Inc.","symbol":"MORN"},"owners":[{"id":20300,"kind":"person","name":"Mansueto Joseph D","position":1,"cik":"0001324069","reported_name":"Mansueto Joseph D","relationship":{"director":true,"officer":true,"ten_percent_owner":true,"other":false,"officer_title":"Executive Chairman"}}],"security":"Common Stock","published_at":"2026-05-15T21:41:04.000Z","date":"2026-05-15","kind":"sale","planned":true,"acquired":false,"shares":584,"price":170.7436,"value":99714.2624,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 19, 2025."},{"field":"shares","element":"transactionShares","label":"F10","text":"The transaction was executed in multiple trades at prices ranging from $170.2550 to $171.1200. The price reported above reflects the weighted average sales price. The reporting person hereby undertakes to provide upon request to the SEC staff, Morningstar or a shareholder of Morningstar full information regarding the number of shares and prices at which the transaction was effected."}],"balance_after":8074440,"source":{"system":"sec-edgar","filing":"0001324069-26-000026","document":"wk-form4_1778881261.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":9,"url":"https://www.sec.gov/Archives/edgar/data/1289419/000132406926000026/wk-form4_1778881261.xml","form_type":"4"}},{"id":776894,"issuer":{"id":915,"kind":"organization","name":"Morningstar, Inc.","symbol":"MORN"},"owners":[{"id":20300,"kind":"person","name":"Mansueto Joseph D","position":1,"cik":"0001324069","reported_name":"Mansueto Joseph D","relationship":{"director":true,"officer":true,"ten_percent_owner":true,"other":false,"officer_title":"Executive Chairman"}}],"security":"Common Stock","published_at":"2026-05-15T21:41:04.000Z","date":"2026-05-15","kind":"sale","planned":true,"acquired":false,"shares":4237,"price":169.5902,"value":718553.6774,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 19, 2025."},{"field":"price","element":"transactionPricePerShare","label":"F9","text":"The transaction was executed in multiple trades at prices ranging from $169.1900 to $170.1750. The price reported above reflects the weighted average sales price. The reporting person hereby undertakes to provide upon request to the SEC staff, Morningstar or a shareholder of Morningstar full information regarding the number of shares and prices at which the transaction was effected."}],"balance_after":8075024,"source":{"system":"sec-edgar","filing":"0001324069-26-000026","document":"wk-form4_1778881261.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":8,"url":"https://www.sec.gov/Archives/edgar/data/1289419/000132406926000026/wk-form4_1778881261.xml","form_type":"4"}},{"id":776893,"issuer":{"id":915,"kind":"organization","name":"Morningstar, Inc.","symbol":"MORN"},"owners":[{"id":20300,"kind":"person","name":"Mansueto Joseph D","position":1,"cik":"0001324069","reported_name":"Mansueto Joseph D","relationship":{"director":true,"officer":true,"ten_percent_owner":true,"other":false,"officer_title":"Executive Chairman"}}],"security":"Common Stock","published_at":"2026-05-15T21:41:04.000Z","date":"2026-05-15","kind":"sale","planned":true,"acquired":false,"shares":1525,"price":168.6649,"value":257213.9725,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 19, 2025."},{"field":"price","element":"transactionPricePerShare","label":"F8","text":"The transaction was executed in multiple trades at prices ranging from $168.1800 to $169.1750. The price reported above reflects the weighted average sales price. The reporting person hereby undertakes to provide upon request to the SEC staff, Morningstar or a shareholder of Morningstar full information regarding the number of shares and prices at which the transaction was effected."}],"balance_after":8079261,"source":{"system":"sec-edgar","filing":"0001324069-26-000026","document":"wk-form4_1778881261.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":7,"url":"https://www.sec.gov/Archives/edgar/data/1289419/000132406926000026/wk-form4_1778881261.xml","form_type":"4"}},{"id":776892,"issuer":{"id":915,"kind":"organization","name":"Morningstar, Inc.","symbol":"MORN"},"owners":[{"id":20300,"kind":"person","name":"Mansueto Joseph D","position":1,"cik":"0001324069","reported_name":"Mansueto Joseph D","relationship":{"director":true,"officer":true,"ten_percent_owner":true,"other":false,"officer_title":"Executive Chairman"}}],"security":"Common Stock","published_at":"2026-05-15T21:41:04.000Z","date":"2026-05-15","kind":"sale","planned":true,"acquired":false,"shares":704,"price":167.4899,"value":117912.8896,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 19, 2025."},{"field":"price","element":"transactionPricePerShare","label":"F7","text":"The transaction was executed in multiple trades at prices ranging from $167.1700 to $167.9700. The price reported above reflects the weighted average sales price. The reporting person hereby undertakes to provide upon request to the SEC staff, Morningstar or a shareholder of Morningstar full information regarding the number of shares and prices at which the transaction was effected."}],"balance_after":8080786,"source":{"system":"sec-edgar","filing":"0001324069-26-000026","document":"wk-form4_1778881261.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":6,"url":"https://www.sec.gov/Archives/edgar/data/1289419/000132406926000026/wk-form4_1778881261.xml","form_type":"4"}},{"id":776891,"issuer":{"id":915,"kind":"organization","name":"Morningstar, Inc.","symbol":"MORN"},"owners":[{"id":20300,"kind":"person","name":"Mansueto Joseph D","position":1,"cik":"0001324069","reported_name":"Mansueto Joseph D","relationship":{"director":true,"officer":true,"ten_percent_owner":true,"other":false,"officer_title":"Executive Chairman"}}],"security":"Common Stock","published_at":"2026-05-15T21:41:04.000Z","date":"2026-05-14","kind":"sale","planned":true,"acquired":false,"shares":709,"price":169.5198,"value":120189.5382,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 19, 2025."},{"field":"price","element":"transactionPricePerShare","label":"F6","text":"The transaction was executed in multiple trades at prices ranging from $169.5050 to $169.7350. The price reported above reflects the weighted average sales price. The reporting person hereby undertakes to provide upon request to the SEC staff, Morningstar or a shareholder of Morningstar full information regarding the number of shares and prices at which the transaction was effected."}],"balance_after":8081490,"source":{"system":"sec-edgar","filing":"0001324069-26-000026","document":"wk-form4_1778881261.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/1289419/000132406926000026/wk-form4_1778881261.xml","form_type":"4"}},{"id":776890,"issuer":{"id":915,"kind":"organization","name":"Morningstar, Inc.","symbol":"MORN"},"owners":[{"id":20300,"kind":"person","name":"Mansueto Joseph D","position":1,"cik":"0001324069","reported_name":"Mansueto Joseph D","relationship":{"director":true,"officer":true,"ten_percent_owner":true,"other":false,"officer_title":"Executive Chairman"}}],"security":"Common Stock","published_at":"2026-05-15T21:41:04.000Z","date":"2026-05-14","kind":"sale","planned":true,"acquired":false,"shares":3373,"price":168.9652,"value":569919.6196,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 19, 2025."},{"field":"price","element":"transactionPricePerShare","label":"F5","text":"The transaction was executed in multiple trades at prices ranging from $168.4800 to $169.4500. The price reported above reflects the weighted average sales price. The reporting person hereby undertakes to provide upon request to the SEC staff, Morningstar or a shareholder of Morningstar full information regarding the number of shares and prices at which the transaction was effected."}],"balance_after":8082199,"source":{"system":"sec-edgar","filing":"0001324069-26-000026","document":"wk-form4_1778881261.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1289419/000132406926000026/wk-form4_1778881261.xml","form_type":"4"}},{"id":776889,"issuer":{"id":915,"kind":"organization","name":"Morningstar, Inc.","symbol":"MORN"},"owners":[{"id":20300,"kind":"person","name":"Mansueto Joseph D","position":1,"cik":"0001324069","reported_name":"Mansueto Joseph D","relationship":{"director":true,"officer":true,"ten_percent_owner":true,"other":false,"officer_title":"Executive Chairman"}}],"security":"Common Stock","published_at":"2026-05-15T21:41:04.000Z","date":"2026-05-14","kind":"sale","planned":true,"acquired":false,"shares":794,"price":167.7387,"value":133184.5278,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 19, 2025."},{"field":"price","element":"transactionPricePerShare","label":"F4","text":"The transaction was executed in multiple trades at prices ranging from $167.3700 to $168.3000. The price reported above reflects the weighted average sales price. The reporting person hereby undertakes to provide upon request to the SEC staff, Morningstar or a shareholder of Morningstar full information regarding the number of shares and prices at which the transaction was effected."}],"balance_after":8085572,"source":{"system":"sec-edgar","filing":"0001324069-26-000026","document":"wk-form4_1778881261.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1289419/000132406926000026/wk-form4_1778881261.xml","form_type":"4"}},{"id":776888,"issuer":{"id":915,"kind":"organization","name":"Morningstar, Inc.","symbol":"MORN"},"owners":[{"id":20300,"kind":"person","name":"Mansueto Joseph D","position":1,"cik":"0001324069","reported_name":"Mansueto Joseph D","relationship":{"director":true,"officer":true,"ten_percent_owner":true,"other":false,"officer_title":"Executive Chairman"}}],"security":"Common Stock","published_at":"2026-05-15T21:41:04.000Z","date":"2026-05-14","kind":"sale","planned":true,"acquired":false,"shares":1236,"price":166.8096,"value":206176.6656,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 19, 2025."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"The transaction was executed in multiple trades at prices ranging from $166.3200 to $167.2400. The price reported above reflects the weighted average sales price. The reporting person hereby undertakes to provide upon request to the SEC staff, Morningstar or a shareholder of Morningstar full information regarding the number of shares and prices at which the transaction was effected."}],"balance_after":8086366,"source":{"system":"sec-edgar","filing":"0001324069-26-000026","document":"wk-form4_1778881261.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1289419/000132406926000026/wk-form4_1778881261.xml","form_type":"4"}}],"next_cursor":"2026-05-15T21:41:04.000000Z,776888"}