Key facts
- This page summarizes M. Leroy Ball's Form 4 filing for Koppers Holdings Inc. (KOP).
- 3 reported transactions and 1 derivative row are listed below.
- Accepted by SEC: 19 Feb 2026, 16:18.
M. Leroy Ball - 18 Feb 2026 Form 4 Insider Report for Koppers Holdings Inc. (KOP)
- Reporting relationship
- CEO, Director
- Issuer ticker
- KOP
- Reported as of
- 18 Feb 2026
- Net transaction value
- -$224,723
- SEC form
- 4
- Accepted by SEC
- 19 Feb 2026, 16:18:32 UTC
- Prior SEC filing
- 12 Feb 2026
- Next SEC filing
- 02 Mar 2026
- Source filing
- View source filing
- Reporting owner signature
- /s/ Stephanie L. Apostolou, Attorney in Fact
Source evidence
Original filing metadata and source links for verification.
5 source fields
Reporting owner
1 detail
Key filing fact
M. Leroy Ball filed Form 4 for Koppers Holdings Inc. (KOP) on 19 Feb 2026.
Change
- Previous filing in this sequence was filed on 12 Feb 2026.
- Current net transaction value: -$224,723.
Research use
- This tells you what this filing adds before you inspect full transaction and derivative tables.
- You can trace every row back to the original SEC filing document.
Evidence
Filed on Form 4
View source filing
Ownership activity is grounded in SEC Form 4 disclosures.
Reporting Owners (1)
CIK 0001229771
Primary reporting owner
BALL M LEROY
- Relationship
- CEO, Director
- Address
- 436 SEVENTH AVENUE, PITTSBURGH
- Signature
- /s/ Stephanie L. Apostolou, Attorney in Fact
- Signature date
- 19 Feb 2026
Reported non-derivative transactions
Shares, units, or other non-derivative securities reported in this filing.
KOP
transaction
Common Stock
Options Exercise
- Transaction value
- $556,484
- Shares
- +30,728
- Change %
- +7.3%
- Price
- $18.11
- Shares after
- 449,826
- Date
- 18 Feb 2026
- Ownership
- Direct
KOP
transaction
Common Stock
Tax liability
- Transaction value
- $781,207
- Shares
- -22,282
- Change %
- -5%
- Price
- $35.06
- Shares after
- 427,544
- Date
- 18 Feb 2026
- Ownership
- Direct
Reported derivative securities
Options, warrants, convertible securities, or similar derivative positions disclosed in the filing.
KOP
transaction
Derivative
Employee Stock Options (Rights to Buy)
Options Exercise
- Transaction value
- $0
- Shares
- -30,728
- Change %
- -100%
- Price
- $0.000000
- Shares after
- 0
- Date
- 18 Feb 2026
- Ownership
- Direct
- Underlying class
- Common Stock
- Underlying amount
- 30,728
- Exercise price
- $18.11
- Footnotes
- F1
* marks a reported price that did not pass the local price check.
Additional SEC filing notes
Filing notes and footnotes
Explanation of responses 1 footnote
Footnote F1
Stock options vested in annual installments of 25 percent over 4 years.