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Common Stock | 12 Months Ended
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Dec. 31, 2024
Equity [Abstract] |
Common Stock | Common Stock As of December 31, 2024, the Company was authorized to issue 1,000,000,000 shares of Class A common stock, par value $0.001 per share, 500,000,000 shares of Class B common stock, par value $0.001 per share, and 10,000,000 shares of preferred stock, par value $0.001 per share. As of December 31, 2023 the Company was authorized to issue 200,000,000 shares of Class A common stock, par value $0.001 per share and 200,000,000 shares of Class B common stock, par value $0.001 per share. Class A and Class B common stock each convey the same rights and privileges to their respective holders, except that Class A common stock entitles its holders to 1 vote per share in respect of matters on which shareholders are entitled to vote and Class B common stock entitles its holders to 10 votes per share. UL Standards & Engagement is the sole holder of UL Solutions’ outstanding Class B common stock, resulting in beneficial ownership of 69.0% and voting power of 95.7% of the Company’s outstanding common stock as of December 31, 2024. As a result, UL Standards & Engagement has the ability to control the outcome of matters submitted to the Company’s stockholders for approval, including the election of directors and the approval of any change of control transaction. The Company meets the definition of a “controlled company” within the meaning of the corporate governance rules of the New York Stock Exchange. The following table shows the number of shares of common stock outstanding and changes in each class of share:
| Class A |  | Class B |  | Total |  |  |  |  |
Balance at December 31, 2022 | 200,000,000 |  |  | — |  |  | 200,000,000 |  |  |  |  |  |
Balance at December 31, 2023 | 200,000,000 |  |  | — |  |  | 200,000,000 |  |  |  |  |  |
Reclassification(a) | (200,000,000) |  |  | 200,000,000 |  |  | — |  |  |  |  |  |
Initial public offering(b) | 38,870,000 |  |  | (38,870,000) |  |  | — |  |  |  |  |  |
Follow-on public offering(c) | 23,000,000 |  |  | (23,000,000) |  |  | — |  |  |  |  |  |
Shares issued under long-term incentive plans | 174,493 |  |  | — |  |  | 174,493 |  |  |  |  |  |
Balance at December 31, 2024 | 62,044,493 |  |  | 138,130,000 |  |  | 200,174,493 |  |  |  |  |  |
__________________ (a)On April 11, 2024, the Company filed an amended and restated certificate of incorporation with the Secretary of State of the State of Delaware, which, among other things, reclassified all shares of the Company’s Class A common stock outstanding into shares of Class B common stock. The amended and restated certificate of incorporation, as well as the Company’s amended and restated bylaws, became effective upon such filing. (b)On April 16, 2024, the Company completed its initial public offering of an aggregate of 38,870,000 shares of Class A common stock by UL Standards & Engagement at a price to the public of $28.00 per share, which included the exercise in full by the underwriters of their overallotment option to purchase an additional 5,070,000 shares of Class A common stock. The Company did not receive any proceeds from the initial public offering. (c)On September 9, 2024, the Company completed a follow-on public offering of an aggregate of 23,000,000 shares of Class A common stock by UL Standards & Engagement at a price to the public of $49.00 per share, which included the exercise in full by the underwriters of their overallotment option to purchase an additional 3,000,000 shares of Class A common stock. The Company did not receive any proceeds from this offering. At December 31, 2024, 2023 and 2022, no shares of preferred stock were issued or outstanding.

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