Koppers (KOP) director receives grant of dividend equivalent rights

Rhea-AI Filing Summary

Posadas Laura J reported acquisition or exercise transactions in this Form 4 filing.

Director Laura J. Posadas of Koppers Holdings Inc. received an award of 11 dividend equivalent rights tied to company common stock. These rights were granted at a price of $0.0000 per right and are treated as derivative securities.

The dividend equivalent rights accrued on additional time-based restricted stock units associated with RSUs originally granted on November 5, 2025. Each right is the economic equivalent of one share of Koppers common stock, bringing Posadas’s total reported holdings of these rights to 11 following the transaction.

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
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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^*

Posadas Laura J

(Last) (First) (Middle)

436 SEVENTH AVENUE

(Street)

PITTSBURGH PENNSYLVANIA 15219

(City) (State) (Zip)

UNITED STATES

(Country)

2. Issuer Name and Ticker or Trading Symbol
Koppers Holdings Inc. [ KOP ]

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

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

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
03/23/2026

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

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

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

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

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
Dividend Equivalent Rights	(1)	03/23/2026		A		11		(1)	(1)	Common Stock	11	$0	11	D

Explanation of Responses:

1. The dividend equivalent rights ("DERs") accrued with respect to additional time-based restricted stock units ("RSUs") credited to the reporting person with respect to RSUs granted on November 5, 2025. Each DER is the economic equivalent of one share of Koppers Holdings Inc. common stock.

Remarks:

	/s/ Stephanie L. Apostolou, Attorney in Fact	03/25/2026
	** 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.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.
* Form 4: SEC 1474 (03-26)

FAQ

What insider transaction did Koppers (KOP) disclose for Laura J. Posadas?

Koppers reported that director Laura J. Posadas received an award of 11 dividend equivalent rights. These rights are derivative securities linked to Koppers common stock and were granted at $0.0000 per right as part of her equity-based compensation.

What are the dividend equivalent rights granted to the KOP director?

The filing shows 11 dividend equivalent rights were granted, each economically equivalent to one share of Koppers Holdings Inc. common stock. They are tied to time-based restricted stock units and mirror the value of underlying shares for compensation purposes.

How many dividend equivalent rights does Laura J. Posadas hold after this Form 4?

After this transaction, director Laura J. Posadas holds a total of 11 dividend equivalent rights. The Form 4 indicates these rights accrued on additional time-based restricted stock units related to RSUs that were originally granted on November 5, 2025.

Is the KOP Form 4 transaction a market purchase or sale of shares?

No, the Form 4 reports a grant/award acquisition of dividend equivalent rights, not an open-market trade. The transaction code is A, indicating a compensation-related award rather than a purchase or sale of Koppers common stock in the market.

How are the dividend equivalent rights for Koppers (KOP) structured?

Each dividend equivalent right is described as the economic equivalent of one share of Koppers common stock. They accrue with respect to additional time-based restricted stock units, aligning director compensation with the performance of the company’s equity over time.

What is the relationship between the DERs and the November 5, 2025 RSU grant at Koppers?

The dividend equivalent rights accrued on additional time-based restricted stock units credited to the reporting person, which relate to RSUs originally granted on November 5, 2025. This links the new rights directly to that earlier long-term equity award.