CREDIT ACCEPTANCE CORP 10-Q

ITEM 5. OTHER INFORMATION During the quarter ended March 31, 2026, there were no Rule 10b5‑1 trading arrangements (as defined in Item 408(a) of Regulation S‑K) or non‑Rule 10b5‑1 trading arrangements (as defined in Item 408(c) of Regulation S‑K) adopted or terminated by any director or officer (as defined in Rule 16a‑1(f) under the Exchange Act) of Credit Acceptance Corporation, except for the following Rule 10b5-1 trading arrangement, which was intended to satisfy the affirmative defense of Rule 10b5‑1(c) and was terminated during such quarter: Name and Title of Director or Officer Action Date Aggregate Number of Securities to be Sold Pursuant to the Trading Arrangement Expiration Date of the Trading Arrangement Daniel A. Ulatowski Former Chief Sales Officer Termination 02/26/2026 N/A (1) N/A (1) (1) On February 26, 2026, Mr. Ulatowski terminated the trading arrangement he had adopted on August 8, 2025. The trading arrangement, which had an expiration date of August 4, 2026, provided for the sale of up to 20,000 shares of common stock underlying employee stock options through and including the earlier of such expiration date and the date when all shares subject to the trading arrangement had been sold. Mr. Ulatowski retired from the Company effective February 1, 2026. 60 Table of Contents ITEM 6. EXHIBITS Exhibit No. Description 4.140 Sixth Amendment to Loan and Security Agreement and First Amendment to Backup Servicing Agreement, dated as of January 15, 2026, among the Company, Credit Acceptance Funding LLC 2021-1, and Fifth Third Bank, National Association (incorporated by reference to Exhibit 4.165 to the Company’s Current Report on Form 8-K filed on January 20, 2026). 10.27 Separation and Advisory Agreement, dated February 9, 2026, between the Company and Arthur Smith (incorporated by reference to Exhibit 10.27 to the Company’s Annual Report on Form 10-K for the fiscal year ended December 31, 2025).* 10.28 Separation and Advisory Agreement, dated February 9, 2026, between the Company and Daniel Ulatowski (incorporated by reference to Exhibit 10.28 to the Company’s Annual Report on Form 10-K for the fiscal year ended December 31, 2025).* 31.1 Certification of principal executive officer pursuant to Section 302 of the Sarbanes-Oxley Act of 2002. 31.2 Certification of principal financial officer pursuant to Section 302 of the Sarbanes-Oxley Act of 2002. 32.1 Certification of principal executive officer pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002. 32.2 Certification of principal financial officer pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002. 101(SCH) Inline XBRL Taxonomy Extension Schema Document. 101(CAL) Inline XBRL Taxonomy Extension Calculation Linkbase Document. 101(DEF) Inline XBRL Taxonomy Extension Definition Linkbase Document. 101(LAB) Inline XBRL Taxonomy Extension Label Linkbase Document. 101(PRE) Inline XBRL Taxonomy Extension Presentation Linkbase Document. 104 Cover Page Interactive Data File (included in the Exhibit 101 Inline XBRL Document Set). * Management contract or compensatory plan or arrangement. 61 Table of Contents SIGNATURES Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned thereunto duly authorized. CREDIT ACCEPTANCE CORPORATION (Registrant) By: /s/ Jay D. Martin Jay D. Martin Chief Financial Officer (Principal Financial Officer) Date: May 5, 2026 62