MORN

SEC source: 0001289419-25-000082 · wk-form4_1746652138.xml · nonDerivative · entry 1

Mansueto Joseph D · CIK 0001324069 · Director · Executive Chairman · 10% owner

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 9,513,106

F1 · kind: The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 15, 2024.

F2 · price: The transaction was executed in multiple trades at prices ranging from $292.4650 to $293.4501. 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.

SEC source: 0001289419-25-000075 · wk-form4_1746477151.xml · nonDerivative · entry 9

Mansueto Joseph D · CIK 0001324069 · Director · Executive Chairman · 10% owner

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 9,513,416

F1 · kind: The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 15, 2024.

F10 · price: The transaction was executed in multiple trades at prices ranging from $293.8450 to $294.3550. 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.

SEC source: 0001289419-25-000075 · wk-form4_1746477151.xml · nonDerivative · entry 8

Mansueto Joseph D · CIK 0001324069 · Director · Executive Chairman · 10% owner

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 9,513,695

F1 · kind: The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 15, 2024.

F9 · price: The transaction was executed in multiple trades at prices ranging from $292.8300 to $293.7900. 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.

SEC source: 0001289419-25-000075 · wk-form4_1746477151.xml · nonDerivative · entry 7

Mansueto Joseph D · CIK 0001324069 · Director · Executive Chairman · 10% owner

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 9,515,549

F1 · kind: The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 15, 2024.

F8 · price: The transaction was executed in multiple trades at prices ranging from $291.8100 to $292.7600. 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.

SEC source: 0001289419-25-000075 · wk-form4_1746477151.xml · nonDerivative · entry 6

Mansueto Joseph D · CIK 0001324069 · Director · Executive Chairman · 10% owner

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 9,518,220

F1 · kind: The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 15, 2024.

F7 · price: The transaction was executed in multiple trades at prices ranging from $290.8050 to $291.7700. 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.

SEC source: 0001289419-25-000075 · wk-form4_1746477151.xml · nonDerivative · entry 5

Mansueto Joseph D · CIK 0001324069 · Director · Executive Chairman · 10% owner

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 9,519,833

F1 · kind: The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 15, 2024.

F6 · price: The transaction was executed in multiple trades at prices ranging from $289.4000 to $290.2300. 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.

SEC source: 0001289419-25-000075 · wk-form4_1746477151.xml · nonDerivative · entry 4

Mansueto Joseph D · CIK 0001324069 · Director · Executive Chairman · 10% owner

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 9,520,138

F1 · kind: The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 15, 2024.

F5 · price: The transaction was executed in multiple trades at prices ranging from $287.9500 to $288.8350. 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.

SEC source: 0001289419-25-000075 · wk-form4_1746477151.xml · nonDerivative · entry 3

Mansueto Joseph D · CIK 0001324069 · Director · Executive Chairman · 10% owner

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 9,520,652

F1 · kind: The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 15, 2024.

SEC source: 0001289419-25-000075 · wk-form4_1746477151.xml · nonDerivative · entry 2

Mansueto Joseph D · CIK 0001324069 · Director · Executive Chairman · 10% owner

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 9,520,666

F1 · kind: The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 15, 2024.

F4 · price: The transaction was executed in multiple trades at prices ranging from $284.7350 to $285.3400. 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.

SEC source: 0001289419-25-000075 · wk-form4_1746477151.xml · nonDerivative · entry 1

Mansueto Joseph D · CIK 0001324069 · Director · Executive Chairman · 10% owner

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 9,521,337

F1 · kind: The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 15, 2024.

F2 · price: The transaction was executed in multiple trades at prices ranging from $283.7200 to $284.7100. 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.

F3 · balance_after: In the first quarter of 2025, the reporting person contributed 500,000 shares of Morningstar common stock to a grantor retained annuity trust for the benefit of the reporting person and his children which are now reported as indirect holdings.

SEC source: 0001289419-25-000060 · wk-form4_1742247348.xml · nonDerivative · entry 7

Mansueto Joseph D · CIK 0001324069 · Director · Executive Chairman · 10% owner

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 10,027,836

F1 · kind: The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 17, 2023.

F6 · price: The transaction was executed in multiple trades at prices ranging from $287.4500 to $287.4900. 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.

SEC source: 0001289419-25-000060 · wk-form4_1742247348.xml · nonDerivative · entry 6

Mansueto Joseph D · CIK 0001324069 · Director · Executive Chairman · 10% owner

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 10,027,893

F1 · kind: The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 17, 2023.

F5 · price: The transaction was executed in multiple trades at prices ranging from $286.4000 to $287.3900. 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.

SEC source: 0001289419-25-000060 · wk-form4_1742247348.xml · nonDerivative · entry 5

Mansueto Joseph D · CIK 0001324069 · Director · Executive Chairman · 10% owner

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 10,028,681

F1 · kind: The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 17, 2023.

F4 · price: The transaction was executed in multiple trades at prices ranging from $285.3600 to $286.2750. 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.

SEC source: 0001289419-25-000060 · wk-form4_1742247348.xml · nonDerivative · entry 4

Mansueto Joseph D · CIK 0001324069 · Director · Executive Chairman · 10% owner

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 10,028,864

F1 · kind: The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 17, 2023.

F3 · price: The transaction was executed in multiple trades at prices ranging from $284.3200 to $285.3000. 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.

SEC source: 0001289419-25-000060 · wk-form4_1742247348.xml · nonDerivative · entry 3

Mansueto Joseph D · CIK 0001324069 · Director · Executive Chairman · 10% owner

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 10,029,127

F1 · kind: The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 17, 2023.

F2 · price: The transaction was executed in multiple trades at prices ranging from $283.1200 to $283.9650. 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.

SEC source: 0001289419-25-000060 · wk-form4_1742247348.xml · nonDerivative · entry 2

Mansueto Joseph D · CIK 0001324069 · Director · Executive Chairman · 10% owner

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 10,029,186

F1 · kind: The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 17, 2023.

SEC source: 0001289419-25-000060 · wk-form4_1742247348.xml · nonDerivative · entry 1

Mansueto Joseph D · CIK 0001324069 · Director · Executive Chairman · 10% owner

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 10,029,206

F1 · kind: The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 17, 2023.

SEC source: 0001289419-25-000055 · wk-form4_1741901885.xml · nonDerivative · entry 10

Mansueto Joseph D · CIK 0001324069 · Director · Executive Chairman · 10% owner

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 10,029,208

F1 · kind: The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 17, 2023.

F10 · price: The transaction was executed in multiple trades at prices ranging from $287.8600 to $288.1400. 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.

SEC source: 0001289419-25-000055 · wk-form4_1741901885.xml · nonDerivative · entry 9

Mansueto Joseph D · CIK 0001324069 · Director · Executive Chairman · 10% owner

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 10,029,332

F1 · kind: The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 17, 2023.

F9 · price: The transaction was executed in multiple trades at prices ranging from $286.8575 to $287.8500. 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.

SEC source: 0001289419-25-000055 · wk-form4_1741901885.xml · nonDerivative · entry 8

Mansueto Joseph D · CIK 0001324069 · Director · Executive Chairman · 10% owner

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 10,029,633

F1 · kind: The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 17, 2023.

F8 · price: The transaction was executed in multiple trades at prices ranging from $285.5800 to $286.3000. 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.

SEC source: 0001289419-25-000055 · wk-form4_1741901885.xml · nonDerivative · entry 7

Mansueto Joseph D · CIK 0001324069 · Director · Executive Chairman · 10% owner

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 10,030,526

F1 · kind: The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 17, 2023.

F7 · price: The transaction was executed in multiple trades at prices ranging from $284.4300 to $285.2100. 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.

SEC source: 0001289419-25-000055 · wk-form4_1741901885.xml · nonDerivative · entry 6

Mansueto Joseph D · CIK 0001324069 · Director · Executive Chairman · 10% owner

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 10,033,816

F1 · kind: The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 17, 2023.

F6 · price: The transaction was executed in multiple trades at prices ranging from $283.4300 to $284.4200. 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.

SEC source: 0001289419-25-000055 · wk-form4_1741901885.xml · nonDerivative · entry 5

Mansueto Joseph D · CIK 0001324069 · Director · Executive Chairman · 10% owner

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 10,038,270

F1 · kind: The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 17, 2023.

SEC source: 0001289419-25-000055 · wk-form4_1741901885.xml · nonDerivative · entry 4

Mansueto Joseph D · CIK 0001324069 · Director · Executive Chairman · 10% owner

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 10,038,303

F1 · kind: The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 17, 2023.

F5 · price: The transaction was executed in multiple trades at prices ranging from $284.6000 to $285.5900. 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.

SEC source: 0001289419-25-000055 · wk-form4_1741901885.xml · nonDerivative · entry 3

Mansueto Joseph D · CIK 0001324069 · Director · Executive Chairman · 10% owner

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 10,038,732

F1 · kind: The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 17, 2023.

F4 · price: The transaction was executed in multiple trades at prices ranging from $283.5900 to $284.5050. 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.

SEC source: 0001289419-25-000055 · wk-form4_1741901885.xml · nonDerivative · entry 2

Mansueto Joseph D · CIK 0001324069 · Director · Executive Chairman · 10% owner

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 10,038,967

F1 · kind: The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 17, 2023.

F3 · price: The transaction was executed in multiple trades at prices ranging from $282.5100 to $283.3000. 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.

SEC source: 0001289419-25-000055 · wk-form4_1741901885.xml · nonDerivative · entry 1

Mansueto Joseph D · CIK 0001324069 · Director · Executive Chairman · 10% owner

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 10,040,170

F1 · kind: The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 17, 2023.

F2 · price: The transaction was executed in multiple trades at prices ranging from $281.5100 to $282.4800. 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.

SEC source: 0001289419-25-000053 · wk-form4_1741299275.xml · nonDerivative · entry 7

Mansueto Joseph D · CIK 0001324069 · Director · Executive Chairman · 10% owner

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 10,047,332

F1 · kind: The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 17, 2023.

F8 · price: The transaction was executed in multiple trades at prices ranging from $304.4850 to $304.5000. 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.

SEC source: 0001289419-25-000053 · wk-form4_1741299275.xml · nonDerivative · entry 6

Mansueto Joseph D · CIK 0001324069 · Director · Executive Chairman · 10% owner

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 10,047,526

F1 · kind: The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 17, 2023.

F7 · price: The transaction was executed in multiple trades at prices ranging from $303.4850 to $304.4800. 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.

SEC source: 0001289419-25-000053 · wk-form4_1741299275.xml · nonDerivative · entry 5

Mansueto Joseph D · CIK 0001324069 · Director · Executive Chairman · 10% owner

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 10,048,482

F1 · kind: The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 17, 2023.

F6 · price: The transaction was executed in multiple trades at prices ranging from $302.4300 to $303.4100. 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.

SEC source: 0001289419-25-000053 · wk-form4_1741299275.xml · nonDerivative · entry 4

Mansueto Joseph D · CIK 0001324069 · Director · Executive Chairman · 10% owner

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 10,051,237

F1 · kind: The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 17, 2023.

F5 · price: The transaction was executed in multiple trades at prices ranging from $301.3100 to $302.2700. 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.

SEC source: 0001289419-25-000053 · wk-form4_1741299275.xml · nonDerivative · entry 3

Mansueto Joseph D · CIK 0001324069 · Director · Executive Chairman · 10% owner

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 10,051,686

F1 · kind: The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 17, 2023.

F4 · price: The transaction was executed in multiple trades at prices ranging from $300.1100 to $300.9700. 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.

SEC source: 0001289419-25-000053 · wk-form4_1741299275.xml · nonDerivative · entry 2

Mansueto Joseph D · CIK 0001324069 · Director · Executive Chairman · 10% owner

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 10,052,422

F1 · kind: The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 17, 2023.

F3 · price: The transaction was executed in multiple trades at prices ranging from $299.0900 to $300.0700. 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.

SEC source: 0001289419-25-000053 · wk-form4_1741299275.xml · nonDerivative · entry 1

Mansueto Joseph D · CIK 0001324069 · Director · Executive Chairman · 10% owner

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 10,054,488

F1 · kind: The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 17, 2023.

F2 · price: The transaction was executed in multiple trades at prices ranging from $298.0600 to $299.0450. 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.

SEC source: 0001289419-25-000049 · wk-form4_1741125898.xml · nonDerivative · entry 8

Mansueto Joseph D · CIK 0001324069 · Director · Executive Chairman · 10% owner

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 10,056,394

F1 · kind: The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 17, 2023.

SEC source: 0001289419-25-000049 · wk-form4_1741125898.xml · nonDerivative · entry 7

Mansueto Joseph D · CIK 0001324069 · Director · Executive Chairman · 10% owner

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 10,056,412

F1 · kind: The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 17, 2023.

F8 · price: The transaction was executed in multiple trades at prices ranging from $315.0200 to $315.8000. 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.

SEC source: 0001289419-25-000049 · wk-form4_1741125898.xml · nonDerivative · entry 6

Mansueto Joseph D · CIK 0001324069 · Director · Executive Chairman · 10% owner

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 10,058,601

F1 · kind: The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 17, 2023.

F7 · price: The transaction was executed in multiple trades at prices ranging from $313.9900 to $314.9800. 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.

SEC source: 0001289419-25-000049 · wk-form4_1741125898.xml · nonDerivative · entry 5

Mansueto Joseph D · CIK 0001324069 · Director · Executive Chairman · 10% owner

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 10,062,336

F1 · kind: The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 17, 2023.

F6 · price: The transaction was executed in multiple trades at prices ranging from $312.7901 to $313.7900. 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.

SEC source: 0001289419-25-000047 · wk-form4_1741125698.xml · nonDerivative · entry 1

Holt Michael · CIK 0002050530 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 4,928

F1 · security: Each restricted stock unit represents a contingent right to receive one share of Morningstar, Inc. common stock. The restricted stock units vest in full on September 1, 2026.

SEC source: 0001289419-25-000045 · wk-form4_1741125488.xml · nonDerivative · entry 2

Wiersema Conan · CIK 0002015224 · CAO & PAO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,184

F3 · shares: Each restricted stock unit represents a contingent right to receive one share of Morningstar, Inc. common stock. The restricted stock units vest in full on September 1, 2026.

SEC source: 0001289419-25-000049 · wk-form4_1741125898.xml · nonDerivative · entry 4

Mansueto Joseph D · CIK 0001324069 · Director · Executive Chairman · 10% owner

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 10,063,508

F1 · kind: The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 17, 2023.

F5 · price: The transaction was executed in multiple trades at prices ranging from $313.2000 to $313.5450. 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.

SEC source: 0001289419-25-000049 · wk-form4_1741125898.xml · nonDerivative · entry 3

Mansueto Joseph D · CIK 0001324069 · Director · Executive Chairman · 10% owner

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 10,063,873

F1 · kind: The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 17, 2023.

F4 · price: The transaction was executed in multiple trades at prices ranging from $312.1700 to $312.3500. 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.

SEC source: 0001289419-25-000049 · wk-form4_1741125898.xml · nonDerivative · entry 2

Mansueto Joseph D · CIK 0001324069 · Director · Executive Chairman · 10% owner

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 10,063,949

F1 · kind: The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 17, 2023.

F3 · price: The transaction was executed in multiple trades at prices ranging from $311.1600 to $311.6150. 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.

SEC source: 0001289419-25-000049 · wk-form4_1741125898.xml · nonDerivative · entry 1

Mansueto Joseph D · CIK 0001324069 · Director · Executive Chairman · 10% owner

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 10,065,098

F1 · kind: The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 17, 2023.

F2 · price: The transaction was executed in multiple trades at prices ranging from $310.1600 to $311.1550. 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.

SEC source: 0001289419-25-000043 · wk-form4_1740778490.xml · nonDerivative · entry 5

Mansueto Joseph D · CIK 0001324069 · Director · Executive Chairman · 10% owner

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 10,072,570

F1 · kind: The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 17, 2023.

F5 · price: The transaction was executed in multiple trades at prices ranging from $318.9600 to $319.6250. 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.

SEC source: 0001289419-25-000043 · wk-form4_1740778490.xml · nonDerivative · entry 4

Mansueto Joseph D · CIK 0001324069 · Director · Executive Chairman · 10% owner

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 10,072,938

F1 · kind: The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 17, 2023.

SEC source: 0001289419-25-000043 · wk-form4_1740778490.xml · nonDerivative · entry 3

Mansueto Joseph D · CIK 0001324069 · Director · Executive Chairman · 10% owner

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 10,072,968

F1 · kind: The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 17, 2023.

F4 · price: The transaction was executed in multiple trades at prices ranging from $324.3900 to $325.3100. 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.

SEC source: 0001289419-25-000043 · wk-form4_1740778490.xml · nonDerivative · entry 2

Mansueto Joseph D · CIK 0001324069 · Director · Executive Chairman · 10% owner

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 10,073,967

F1 · kind: The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 17, 2023.

F3 · price: The transaction was executed in multiple trades at prices ranging from $323.2300 to $324.0700. 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.

SEC source: 0001289419-25-000043 · wk-form4_1740778490.xml · nonDerivative · entry 1

Mansueto Joseph D · CIK 0001324069 · Director · Executive Chairman · 10% owner

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 10,075,151

F1 · kind: The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 17, 2023.

F2 · price: The transaction was executed in multiple trades at prices ranging from $322.2101 to $323.1900. 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.

SEC source: 0001289419-25-000027 · wk-form4_1740608603.xml · nonDerivative · entry 6

Mansueto Joseph D · CIK 0001324069 · Director · Executive Chairman · 10% owner

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 10,077,018

F1 · kind: The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 17, 2023.

F7 · price: The transaction was executed in multiple trades at prices ranging from $322.9900 to $323.6950. 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.