X0508 4 2026-01-30 1 0000885550 CREDIT ACCEPTANCE CORP CACC 0001604030 ULATOWSKI DANIEL A. 25505 WEST TWELVE MILE ROAD SOUTHFIELD MI 48034 0 1 0 0 Chief Sales Officer 1 Common Stock 2026-01-30 4 M 0 589 333.94 A 28879 D Common Stock 2026-01-30 4 S 0 589 500.12 D 28290 D Common Stock 2026-01-31 4 F 0 951.6 498.24 D 27338.4 D Common Stock 4000 I By trust. Employee Stock Option (right to buy) 333.94 2026-01-30 4 M 0 589 0 D 2024-12-30 2026-12-30 Common Stock 589 32411 D The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $500.00 to $500.19, inclusive. The reporting person undertakes to provide to Credit Acceptance Corporation, any security holder of Credit Acceptance Corporation, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in the footnotes to this Form 4. Shares withheld to satisfy tax withholding obligations in conjunction with the vesting and settlement of restricted stock units to shares of common stock. These shares are owned of record by Daniel A. Ulatowski and Barbara Ulatowski, spouse of Mr. Ulatowski, as trustees of the D.&.B. Ulatowski Living Trust. /s/ Daniel A. Ulatowski 2026-02-03