Koppers (NYSE: KOP) CEO sells 4,141 shares and makes 300-share gift

Rhea-AI Filing Summary

Koppers Holdings Inc. CEO Ball M. Leroy reported two transactions in company common stock. He made a bona fide gift of 300 shares with no sale price and separately completed an open-market sale of 4,141 shares at a weighted average price of $41.34 per share. The sale was executed through multiple trades at prices ranging from $40.88 to $41.53 per share. These transactions reduce, but do not eliminate, his direct ownership stake in Koppers.

Insider Trade Summary

Net Seller: 4,141 shares ($171,189)

Net Sell 2 txns

Insider BALL M LEROY

Role CEO

Sold 4,141 shs ($171K)

Type	Security	Shares	Price	Value
Sale	Common Stock	4,141	$41.34	$171K
Gift	Common Stock	300	$0.00	--

Holdings After Transaction: Common Stock — 439,955.401 shares (Direct, null)

Footnotes (1)

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Key Figures

Open-market sale: 4,141 shares Sale average price: $41.34/share Price range: $40.88–$41.53 +2 more

5 metrics

Open-market sale 4,141 shares Common Stock sale on 2026-06-11

Sale average price $41.34/share Weighted average price for 4,141 shares sold

Price range $40.88–$41.53 Range of individual trade prices for sale

Gifted shares 300 shares Bona fide gift of Common Stock on 2026-06-11

Net shares sold 4,141 shares Net buy/sell shares in transaction summary

Key Terms

bona fide gift, open-market sale, weighted average price, non-derivative

4 terms

bona fide gift financial

"The transaction code "G" is described as a bona fide gift of shares."

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 sale financial

"The 4,141 shares are described as an open-market sale of Common Stock."

An open-market sale is when a shareholder sells existing shares directly on a public exchange to any willing buyer, rather than through a private deal. Think of it like putting goods on a busy market stall where price is set by supply and demand; for investors it matters because such sales increase available supply, can put short-term downward pressure on the stock price, and signal changes in liquidity or investor confidence.

weighted average price financial

"The price reported is a weighted average price for multiple trades."

Weighted average price is the average price of a security where each trade or component is counted according to its size, so bigger trades pull the average more than smaller ones. Think of it like calculating the average cost of a grocery haul where items you bought more of have greater influence on the final per-item cost. Investors use it to understand the true average price paid or received, judge execution quality, and compare trading performance against market movement.

non-derivative financial

"Each transaction is classified as a non-derivative transaction in Common Stock."

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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^*

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)
06/11/2026

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	06/11/2026		S		4,141	D	$41.34(1)	439,955.4007	D
Common Stock	06/11/2026		G		300	D	$0	439,655.4007	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:

1. The price reported in column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $40.88 to $41.53, inclusive. The reporting person undertakes to provide to the Securities and Exchange Commission, the issuer or any security holder of the issuer, upon request, full information regarding the number of shares sold at each separate price.

Remarks:

	/s/ Stephanie L. Apostolou, Attorney in Fact	06/15/2026
	** 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 transactions did Koppers (KOP) CEO Ball M. Leroy report?

Koppers CEO Ball M. Leroy reported two transactions: a bona fide gift of 300 common shares and an open-market sale of 4,141 shares. Both transactions involved directly held stock and were reported on the same date in a Form 4 filing.

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

The CEO sold 4,141 shares of Koppers common stock in an open-market transaction at a weighted average price of $41.34 per share. The sale occurred through multiple trades with prices ranging from $40.88 to $41.53 per share.

What does the bona fide gift in the Koppers (KOP) Form 4 mean?

The Form 4 shows a bona fide gift of 300 Koppers common shares by CEO Ball M. Leroy. A bona fide gift is a transfer made without receiving payment, so it reflects a disposition of shares but not a market sale for cash proceeds.

Were the Koppers (KOP) CEO’s share sales made at a single price?

No. The CEO’s 4,141-share sale used a weighted average price of $41.34 per share. According to the disclosure, the shares were sold in multiple transactions with individual prices between $40.88 and $41.53, inclusive, across that trading day.

Does the Koppers (KOP) Form 4 involve derivative securities or option exercises?

No. All reported transactions in this Form 4 involve non-derivative common stock only. There are no option exercises, conversions, or other derivative transactions disclosed, and the derivative holdings summary for this filing shows no remaining derivative positions.