M. Leroy Ball - 18 Feb 2026 Form 4 Insider Report for Koppers Holdings Inc. (KOP)

Role
CEO, Director
Signature
/s/ Stephanie L. Apostolou, Attorney in Fact
Issuer symbol
KOP
Transactions as of
18 Feb 2026
Net transactions value
-$224,723
Form type
4
Filing time
19 Feb 2026, 16:18:32 UTC
Previous filing
12 Feb 2026
Next filing
02 Mar 2026
SEC
View on sec.gov

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
BALL M LEROY CEO, Director 436 SEVENTH AVENUE, PITTSBURGH /s/ Stephanie L. Apostolou, Attorney in Fact 19 Feb 2026 0001229771

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction KOP Common Stock Options Exercise $556,484 +30,728 +7.3% $18.11 449,826 18 Feb 2026 Direct
transaction KOP Common Stock Tax liability $781,207 -22,282 -5% $35.06 427,544 18 Feb 2026 Direct

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Underlying Class Amount Exercise Price Ownership Footnotes
transaction KOP Employee Stock Options (Rights to Buy) Options Exercise $0 -30,728 -100% $0.000000 0 18 Feb 2026 Common Stock 30,728 $18.11 Direct F1
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 Stock options vested in annual installments of 25 percent over 4 years.