Koppers interim CFO granted 5,000 RSUs

Pearce Bradley A reported acquisition or exercise transactions in this Form 4 filing.

Rhea-AI Filing Summary

Pearce Bradley A reported acquisition or exercise transactions in this Form 4 filing.

Koppers Holdings Inc. interim CFO and CAO Bradley A. Pearce received a compensation-related stock grant rather than buying shares on the market. On May 12, 2026, he was awarded 5,000 time-based restricted stock units that require no purchase price and will vest in full on May 12, 2029. After this award, he directly holds 43,037 shares of Koppers common stock.

Insider Trade Summary

Grant/Award: 5,000 shares

Grant/Award 1 txn

Insider Pearce Bradley A

Role Interim CFO and CAO

Type	Security	Shares	Price	Value
Grant/Award	Common Stock	5,000	$0.00	$0.00

Holdings After Transaction: Common Stock — 43,037 shares (Direct)

Footnotes (1)

1. F1. The reporting person was awarded time-based restricted stock units on May 12, 2026, which will vest in full on May 12, 2029.

Key Figures

RSU grant size: 5,000 shares Grant price per share: $0.00 per share Shares held after transaction: 43,037 shares +1 more

4 metrics

RSU grant size 5,000 shares Time-based restricted stock units awarded May 12, 2026

Grant price per share $0.00 per share Compensation grant, no purchase price

Shares held after transaction 43,037 shares Direct holdings following May 12, 2026 award

Vesting date May 12, 2029 RSUs vest in full on this date

Key Terms

time-based restricted stock units, vest in full, Grant, award, or other acquisition

3 terms

time-based restricted stock units financial

"The reporting person was awarded time-based restricted stock units on May 12, 2026"

Time-based restricted stock units are a form of employee compensation where individuals are granted company shares that are earned over a set period, often as a reward for staying with the company. These shares typically become fully owned and transferable only after passing specific time milestones, encouraging long-term commitment. For investors, they highlight a company's focus on employee retention and can influence future stock supply and company stability.

vest in full financial

"which will vest in full on May 12, 2029"

Grant, award, or other acquisition financial

"transaction_code_description: Grant, award, or other acquisition"

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What insider transaction did Koppers (KOP) report for Bradley A. Pearce?

Koppers reported that interim CFO and CAO Bradley A. Pearce received a grant of 5,000 common stock-based restricted units. The award is a compensation grant, not an open-market share purchase or sale, and increases his direct holdings to 43,037 common shares.

How many shares did the Koppers interim CFO acquire in this Form 4 filing?

The interim CFO acquired 5,000 shares in the form of restricted stock units. These units were granted at no purchase price as part of his compensation and will convert into common stock upon vesting, increasing his ownership stake once fully vested.

When do Bradley A. Pearce’s Koppers restricted stock units vest?

The filing states that the 5,000 time-based restricted stock units awarded on May 12, 2026 will vest in full on May 12, 2029. Vesting means the units convert into Koppers common shares that Pearce can then own outright, subject to any company policies.

What is Bradley A. Pearce’s Koppers shareholding after this grant?

After the restricted stock unit grant, Bradley A. Pearce directly holds 43,037 shares of Koppers common stock. This figure reflects his position following the May 12, 2026 award and helps investors understand the scale of his equity exposure to the company.

Was this Koppers insider transaction a market purchase or sale?

No, it was not a market purchase or sale. The Form 4 shows a code A transaction, indicating a grant or award. Pearce received 5,000 restricted stock units as compensation, with no cash price paid per share and no sale of existing holdings reported.

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

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Accepted by SEC EDGAR 05/14/2026 - 04:05 PM EDT 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^*

Pearce Bradley A

(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)

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	Interim CFO and CAO

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
05/12/2026

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(1)	05/12/2026		A		5,000	A	$0	43,037	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 reporting person was awarded time-based restricted stock units on May 12, 2026, which will vest in full on May 12, 2029.

Remarks:

	/s/ Stephanie L. Apostolou, Attorney in Fact	05/14/2026
	** 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)