Wendy A. Rummler - 18 May 2026 Form 4 Insider Report for CREDIT ACCEPTANCE CORP (CACC)

Reporting relationship: Chief People Officer
Issuer ticker: CACC
Reported as of: 18 May 2026
Net transaction value: -$1,100,783
SEC form: 4
Accepted by SEC: 20 May 2026, 16:05:32 UTC
Prior SEC filing: 08 May 2026
Source filing: View source filing
Reporting owner signature: /s/ Wendy A. Rummler

Key filing fact

Wendy A. Rummler filed Form 4 for CREDIT ACCEPTANCE CORP (CACC) on 20 May 2026.

Key facts

This page summarizes Wendy A. Rummler's Form 4 filing for CREDIT ACCEPTANCE CORP (CACC).
7 reported transactions and 3 derivative rows are listed below.
Accepted by SEC: 20 May 2026, 16:05.

Change

Previous filing in this sequence was filed on 08 May 2026.
Current net transaction value: -$1,100,783.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0001916755 Primary reporting owner

Rummler Wendy A

Relationship: Chief People Officer
Address: 25505 WEST TWELVE MILE ROAD, SOUTHFIELD
Signature: /s/ Wendy A. Rummler
Signature date: 20 May 2026

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

CACC transaction

Common Stock

Options Exercise

Transaction value
Shares: +1,994
Change %: +10%
Price: $333.94^*
Shares after: 21,541
Date: 18 May 2026
Ownership: Direct

CACC transaction

Common Stock

Sale

Transaction value: $413,260
Shares: -751
Change %: -3.5%
Price: $550.28
Shares after: 20,790
Date: 18 May 2026
Ownership: Direct
Footnotes: F1

CACC transaction

Common Stock

Sale

Transaction value: $127,348
Shares: -231
Change %: -1.1%
Price: $551.29
Shares after: 20,559
Date: 18 May 2026
Ownership: Direct
Footnotes: F2

CACC transaction

Common Stock

Sale

Transaction value: $286,376
Shares: -518
Change %: -2.5%
Price: $552.85
Shares after: 20,041
Date: 18 May 2026
Ownership: Direct
Footnotes: F3

CACC transaction

Common Stock

Sale

Transaction value: $243,830
Shares: -440
Change %: -2.2%
Price: $554.16
Shares after: 19,601
Date: 18 May 2026
Ownership: Direct
Footnotes: F4

CACC transaction

Common Stock

Sale

Transaction value: $29,968
Shares: -54
Change %: -0.28%
Price: $554.96
Shares after: 19,547
Date: 18 May 2026
Ownership: Direct
Footnotes: F5

CACC holding

Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 2,704
Date: 18 May 2026
Ownership: By trust.
Footnotes: F6

CACC holding

Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 2,366
Date: 18 May 2026
Ownership: By trust.
Footnotes: F7

Reported derivative securities

Options, warrants, convertible securities, or similar derivative positions disclosed in the filing.

CACC transaction Derivative

Employee Stock Option (right to buy)

Options Exercise

Transaction value
Shares: -1,994
Change %: -100%
Price: $0.000000^*
Shares after: 0
Date: 18 May 2026
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 1,994
Exercise price: $333.94

CACC holding Derivative

Employee Stock Option (right to buy)

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 1,250
Date: 18 May 2026
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 1,250
Exercise price: $390.39

CACC holding Derivative

Employee Stock Option (right to buy)

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 10,000
Date: 18 May 2026
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 10,000
Exercise price: $468.67
Footnotes: F8

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Rule 10b5-1 trading plan

These transactions were reported as open-market trades under a Rule 10b5-1 plan. The plan lets an insider set trading instructions in advance, which can reduce the risk of trading while in possession of material nonpublic information.

Original filing language: transaction made pursuant to a contract, instruction, or written plan intended to satisfy Rule 10b5-1(c).

Explanation of responses 8 footnotes

Footnote F1

The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $550.00 to $550.95, 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.

Footnote F2

The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $551.12 to $551.48, inclusive.

Footnote F3

The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $552.47 to $553.44, inclusive.

Footnote F4

The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $553.84 to $554.81, inclusive.

Footnote F5

The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $554.92 to $555.27, inclusive.

Footnote F6

These shares are owned of record by Kevin Rummler, spouse of Wendy A. Rummler, as trustee of the Kevin Rummler Revocable Trust.

Footnote F7

These shares are owned of record by Wendy A. Rummler, as trustee of the Wendy A. Rummler Revocable Trust.

Footnote F8

The option, initially representing the right to purchase 10,000 shares, is exercisable in four equal annual installments beginning on October 6, 2023, which was the first anniversary of the date on which the option was granted.