Koppers CEO sells 4,000 shares at $45.96

Koppers Holdings Inc. (KOP) reported insider transactions by CEO and director M. Leroy Ball.

Rhea-AI Filing Summary

Koppers Holdings Inc. (KOP) reported insider transactions by CEO and director M. Leroy Ball. On 2026-08-31, he sold 4,000 shares of Common Stock at $45.96 per share in an open-market or private transaction and disposed of 200 shares as a bona fide gift. No post-transaction share balance is stated.

Insider Trade Summary

Net Seller: 4,000 shares

Net Sell 2 txns

Insider BALL M LEROY

Role CEO

Sold 4,000 shs ($184K)

Type	Security	Shares	Price	Value
Sale	Common Stock	4,000	$45.96	$184K
Gift	Common Stock	200	$0.00	$0.00

Holdings After Transaction: Common Stock — 429,355.4007 shares (Direct)

Key Figures

Shares sold: 4,000 shares of Common Stock Sale price per share: $45.96 per share Shares gifted: 200 shares of Common Stock +2 more

5 metrics

Shares sold 4,000 shares of Common Stock Non-derivative sale on 2026-08-31

Sale price per share $45.96 per share Price for the 4,000-share sale on 2026-08-31

Shares gifted 200 shares of Common Stock Bona fide gift on 2026-08-31

Gift transaction price $0.00 per share Recorded price for the 200-share bona fide gift

Net buy/sell shares 4,000 net shares sold Net of reported buy/sell activity in this Form 4

Key Terms

bona fide gift, open market or private transaction, direct ownership, Form 4

4 terms

bona fide gift financial

"transaction_code_description: "Bona fide gift""

A bona fide gift is a genuine, voluntary transfer of money, property, or benefits from one party to another made without expectation of repayment, services, or hidden conditions. Investors care because such gifts can affect company disclosures, related‑party transaction rules, tax treatment, and perceived conflicts of interest; think of it like someone giving you a present with no strings attached — but on a corporate scale, auditors and regulators need to verify it really is unconditional.

open market or private transaction financial

"transaction_code_description: "Sale in open market or private transaction""

direct ownership financial

"ownership_type: "direct""

Form 4 regulatory

"INSIDER FILING DATA (Form 4)"

Form 4 is a official document that company insiders, such as executives or major shareholders, file with regulators whenever they buy or sell company shares. It provides transparency about how those with inside knowledge are trading, helping investors see if insiders are confident in the company's prospects or may be selling for personal reasons. This information can influence investor decisions by revealing insiders' perspectives on the company's value.

FAQ

What insider transactions did KOP CEO M. Leroy Ball report on this Form 4?

M. Leroy Ball reported two transactions in Koppers Holdings Inc. (KOP) Common Stock on 2026-08-31: a sale of 4,000 shares at $45.96 per share and a bona fide gift of 200 shares.

How many Koppers (KOP) shares did the CEO sell and at what price?

On 2026-08-31, the CEO sold 4,000 shares of Koppers Holdings Inc. Common Stock at a price of $45.96 per share in an open-market or private transaction.

Did the KOP CEO report any gifts of stock in this filing?

Yes. The filing reports that on 2026-08-31 the CEO made a bona fide gift of 200 shares of Koppers Holdings Inc. Common Stock, recorded at a transaction price of $0.00 per share as a non-sale disposition.

Are these Koppers (KOP) transactions direct or indirect holdings?

Both reported transactions involve direct ownership of Koppers Holdings Inc. Common Stock, as indicated by the ownership code "D" (direct) for the sale and the bona fide gift.

Does the Form 4 indicate use of a Rule 10b5-1 trading plan for KOP?

No. The Form 4 indicates the Rule 10b5-1 checkbox is not affirmatively checked (aff_10b5_one is false), and the filing does not state that these transactions were executed under a trading plan.

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Available on EDGAR 09/01/2026 - 04:24 PM Accepted by SEC EDGAR 09/01/2026 - 04:23 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^*

BALL M LEROY

(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
X	Officer (give title below)		Other (specify below)
	CEO

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
08/31/2026

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
Common Stock	08/31/2026		S		4,000	D	$45.96	429,555.4007	D
Common Stock	08/31/2026		G		200	D	$0	429,355.4007	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:

Remarks:

	/s/ Stephanie L. Apostolou, Attorney in Fact	09/01/2026
	** 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)