David J. Mastrocola Under Power - 11 Mar 2026 Form 4 Insider Report for Cooper-Standard Holdings Inc. (CPS)

Role: Director
Signature: /s/Denise Balog, on behalf of David J. Mastrocola under Power of Attorney
Issuer symbol: CPS
Transactions as of: 11 Mar 2026
Net transactions value: +$208,144
Form type: 4
Filing time: 13 Mar 2026, 17:05:43 UTC
Previous filing: 13 Nov 2025
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
Mastrocola David John	Director	40300 TRADITIONS DRIVE, NORTHVILLE	/s/Denise Balog, on behalf of David J. Mastrocola under Power of Attorney	13 Mar 2026	0001515839

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	CPS	Common stock	Purchase	$62,000	+2,000	+11%	$31.00	20,115	11 Mar 2026	By Trust
transaction	CPS	Common stock	Purchase	$45,194	+1,494	+7.4%	$30.25	21,609	12 Mar 2026	By Trust
transaction	CPS	Common stock	Purchase	$100,950	+3,391	+16%	$29.77	25,000	13 Mar 2026	By Trust	F1

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions ranging from $29.25 to $30.25, inclusive. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth above.

Content

The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions ranging from $29.25 to $30.25, inclusive. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth above.