Koppers officer awarded 522 dividend equivalent rights on RSUs, PSUs

An officer of Koppers Holdings Inc., serving as President and CTO, reported an acquisition of 522 dividend equivalent rights (DERs) on 12/16/2025.

Rhea-AI Filing Summary

An officer of Koppers Holdings Inc., serving as President and CTO, reported an acquisition of 522 dividend equivalent rights (DERs) on 12/16/2025. These DERs arose from dividends on existing time-based restricted stock units (RSUs) and performance-based stock units (PSUs), with 420 tied to RSUs granted on January 4, 2022, January 4, 2023, January 4, 2024, and January 3, 2025, and 102 tied to PSUs granted on January 4, 2023.

Each DER is the economic equivalent of one share of Koppers Holdings Inc. common stock, giving the holder the same value as owning a share when dividends are paid. Following this transaction, the officer beneficially owns 809 DERs directly. The report reflects a non-cash increase in equity-linked compensation rather than an open-market stock purchase or sale.

Insider Trade Summary

Grant/Award: 522 shares

Grant/Award 1 txn

Insider Sullivan James A.

Role President and CTO

Type	Security	Shares	Price	Value
Grant/Award	Dividend Equivalent Rights	522	$0.00	$0.00

Holdings After Transaction: Dividend Equivalent Rights — 809 contracts (Direct)

Footnotes (1)

1. F1. The dividend equivalent rights ("DERs") accrued with respect to additional time-based and performance-based restricted stock units ("RSUs" and "PSUs", respectively) credited to the reporting person. Of this total, 420 DERs accrued with respect to RSUs granted on January 4, 2022, January 4, 2023, January 4, 2024, and January 3, 2025 and 102 DERs accrued with respect to PSUs granted on January 4, 2023. Each DER is the economic equivalent of one share of Koppers Holdings Inc. common stock.

FAQ

What insider transaction did Koppers Holdings (KOP) report in this Form 4?

An officer who is President and CTO reported acquiring 522 dividend equivalent rights (DERs) on 12/16/2025, linked to existing RSUs and PSUs.

How many dividend equivalent rights does the Koppers (KOP) officer hold after this transaction?

After the reported transaction, the officer beneficially owns 809 dividend equivalent rights in total, held directly.

What are dividend equivalent rights for Koppers Holdings (KOP)?

Dividend equivalent rights (DERs) give the holder economic value equal to one share of Koppers Holdings Inc. common stock for each right when dividends are paid.

Which Koppers (KOP) equity awards generated the new dividend equivalent rights?

Of the 522 new DERs, 420 accrued on time-based RSUs granted on January 4, 2022, January 4, 2023, January 4, 2024, and January 3, 2025, and 102 accrued on PSUs granted on January 4, 2023.

Was this Koppers (KOP) insider transaction a stock market purchase or sale?

No. The Form 4 shows an acquisition of DERs credited from dividends on existing RSUs and PSUs, rather than an open-market stock purchase or sale.

What is the role of the reporting person at Koppers Holdings (KOP)?

The reporting person is identified as an officer of Koppers Holdings Inc., serving as President and CTO.

AI-generated analysis. How Rhea-AI works. Not financial advice.

Form 4 Insider Transactions: What Each Field Means →

See more from StockTitan in Google Search and AI answers. Adds StockTitan as a preferred source · opens Google

Add on Google Not now

Accepted by SEC EDGAR 12/17/2025 - 06:07 PM Learn about SEC filing dates

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^*

Sullivan James A.

(Last) (First) (Middle)

436 SEVENTH AVENUE

(Street)

PITTSBURGH PA 15219

(City) (State) (Zip)

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

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

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

3. Date of Earliest Transaction (Month/Day/Year)
12/16/2025

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

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)	12/16/2025		A		522		(1)	(1)	Common Stock	522	$0	809	D

Explanation of Responses:

1. The dividend equivalent rights ("DERs") accrued with respect to additional time-based and performance-based restricted stock units ("RSUs" and "PSUs", respectively) credited to the reporting person. Of this total, 420 DERs accrued with respect to RSUs granted on January 4, 2022, January 4, 2023, January 4, 2024, and January 3, 2025 and 102 DERs accrued with respect to PSUs granted on January 4, 2023. Each DER is the economic equivalent of one share of Koppers Holdings Inc. common stock.

Remarks:

	/s/ Stephanie L. Apostolou, Attorney in Fact	12/17/2025
	** 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.
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.