[Form 4] Cooper-Standard Holdings Inc. Insider Trading Activity

Rhea-AI Filing Summary

Cooper-Standard Holdings Inc. (CPS): Director David J. Mastrocola reported buying 2,000 shares of common stock on 11/10/2025 at a weighted average price of $29.05.

Following the transaction, he beneficially owned 18,115 shares held indirectly by a trust. The filing notes these shares were purchased in multiple trades between $29.00 and $29.10. It also reflects that common stock was contributed to a trust pursuant to Rule 16a-13, and direct holdings are listed as 0.

Insider Trade Summary

Net Buyer: 2,000 shares ($58,100)

Net Buy 2 txns

Insider Mastrocola David John

Role Director

Bought 2,000 shs ($58K)

Type	Security	Shares	Price	Value
Purchase	Common stock	2,000	$29.05	$58K
holding	Common stock	--	--	--

Holdings After Transaction: Common stock — 18,115 shares (Indirect, By Trust); Common stock — 0 shares (Direct)

Footnotes (1)

1. The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions ranging from $29.00 to $29.10 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. Reflects common stock contributed by the reporting person to a trust which was exempt from reporting pursuant to Rule 16a-13 under the Securities Exchange Act of 1934, as amended.

Form 4 Insider Transactions: What Each Field Means →

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

Mastrocola David John

(Last) (First) (Middle)

40300 TRADITIONS DRIVE

(Street)

NORTHVILLE MI 48168

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
Cooper-Standard Holdings Inc. [ CPS ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

X	Director		10% Owner
	Officer (give title below)		Other (specify below)

3. Date of Earliest Transaction (Month/Day/Year)
11/10/2025

4. If Amendment, Date of Original Filed (Month/Day/Year)

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Common stock	11/10/2025		P		2,000	A	$29.05(1)	18,115(2)	I	By Trust
Common stock								0(2)	D

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

1. The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions ranging from $29.00 to $29.10 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.

2. Reflects common stock contributed by the reporting person to a trust which was exempt from reporting pursuant to Rule 16a-13 under the Securities Exchange Act of 1934, as amended.

Remarks:

	/s/Denise Balog, on behalf of David J. Mastrocola under Power of Attorney	11/13/2025
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
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