Insider Trading Arrangements

3 Months Ended

Mar. 31, 2026

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)

(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.

Rule 10b5-1 Arrangement Adopted

false

Non-Rule 10b5-1 Arrangement Adopted

false

Non-Rule 10b5-1 Arrangement Terminated

false

Daniel A. Ulatowski [Member]

Trading Arrangements, by Individual

Name

Daniel A. Ulatowski

Title

Chief Sales Officer

Rule 10b5-1 Arrangement Terminated

true

Termination Date

02/26/2026

Expiration Date

N/A (1)