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Note 20 - Related Parties | 12 Months Ended
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Dec. 31, 2023
Notes to Financial Statements |
Related Party Transactions Disclosure [Text Block] | 20. Related Parties: We consider our stockholders that own more than 5% of the outstanding stock within the class to be related parties as defined within ASC 850, Related Party Disclosures. We had no material transactions with related parties owning more than 5% of the entire class of stock for the years ended December 31, 2023 and 2022. Jeffrey Dailey, one of our directors, was CEO and Chairman of the Board of Farmers Group, Inc. ("Farmers") until December 31, 2022 and June 30, 2023, respectively. Farmers is a customer of Verisk, and our revenue from Farmers is approximately 2% of our consolidated revenue in 2023 and 2022. Therese M. Vaughan, one of our directors, was also a director of American International Group ("AIG") until January 31, 2024. AIG is a customer of Verisk, and our revenue from AIG is approximately 1% of our consolidated revenue in 2023 and 2022. Lee M. Shavel, our President and CEO and one of our directors, is a director of FactSet Research Systems, Inc. There are no material transactions with FactSet Research Systems, Inc.

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