Arkolith/Insider Trading/KOP/Form 4

Apostolou Stephanie L

Chief Legal&Sus Officer & Sec.Koppers Holdings Inc. (KOP) · full profile →Form 4 · filed Mar 2, 2026
No Open-Market Flow
Open-Market Buys
$0
Open-Market Sells
$0
Net Open-Market Flow
$0
Transactions
5
3 non-derivative · 2 derivative

Non-Derivative Transactions (Table I)

DateActionSharesPriceValueOwned After
Feb 26, 2026Grant(A)7K—$066K
Feb 26, 2026Option exercise(M)174—$066K
Feb 26, 2026Tax withholding(F)3K$37.24$117K63K

Derivative Transactions (Table II)

DateActionSharesPriceValueOwned After
Feb 26, 2026Grant(A)174—$0322
Feb 26, 2026Option exercise(M)174—$0148

Transaction Codes

A
Grant / award
M
Option exercise / conversion
F
Shares withheld for taxes

Data Source & Provenance

Parsed from a single SEC EDGAR Form 4 filing (accession 0001315257-26-000014) within minutes of acceptance. Every field above traces to the original document. Verify it directly:

View original filing on SEC.govRaw Form 4 XML