NYSE: KOP
Koppers Holdings Inc Stock Ownership - Who owns Koppers Holdings?

Insider buying vs selling

Have Koppers Holdings Inc insiders been buying or selling?

Buy
Sell
NameRoleDateSharesPriceValue
M. Leroy BallCEO2026-06-183,412$43.90
$149.79kSell
M. Leroy BallCEO2026-06-114,141$41.34
$171.19kSell
M. Leroy BallCEO2026-05-132,659$42.55
$113.14kSell
M. Leroy BallCEO2026-03-172,489$37.91
$94.36kSell
M. Leroy BallCEO2026-03-022,184$36.53
$79.78kSell
M. Leroy BallCEO2026-03-02328$37.45
$12.28kSell
M. Leroy BallCEO2026-03-023,763$37.02
$139.31kSell
James A. SullivanPresident and CTO2026-02-268,589$37.24
$319.85kSell
Stephanie L. ApostolouChief LegalSus Officer Sec.2026-02-263,149$37.24
$117.27kSell
M. Leroy BallCEO2026-02-2622,236$37.24
$828.07kSell

1 of 3

KOP insiders have sold more... subscribe to Premium to read more.
Net Insider Buy/Sell (L12M) Ownership

Be the first to know when KOP insiders and whales buy or sell their stock.

KOP Shareholders

What type of owners hold Koppers Holdings Inc stock?

Institutional
Insider
Retail
NameHoldSharesValueType
Blackrock Inc15.83%3,045,112$149.15MInstitution
Pzena Investment Management LLC6.29%1,209,376$59.24MInstitution
Dimensional Fund Advisors LP6.19%1,191,358$58.35MInstitution
Fuller Thaler Asset Management Inc5.09%978,590$47.93MInstitution
Simcoe Capital Management LLC4.91%944,430$46.26MInstitution
Lsv Asset Management4.82%926,031$45.36MInstitution
Vanguard Capital Management LLC4.37%840,446$41.17MInstitution
State Street Corp3.91%752,264$36.85MInstitution
American Century Companies Inc2.78%535,002$26.20MInstitution
Vanguard Portfolio Management LLC2.76%530,532$25.99MInstitution

1 of 3

KOP vs Specialty Chemical Stocks

TickerInst. %Insider %Net Insider (L12M)Net Insider (L3M)
KOP87.96%12.04%Net SellingNet Selling
LWLG27.12%16.85%Net SellingNet Selling
KRO3.64%96.36%Net BuyingNet Buying
ECVT67.51%32.49%Net SellingNet Buying
MATV90.56%9.44%Net SellingNet Selling

Koppers Holdings Stock Ownership FAQ

Who owns Koppers Holdings?

Koppers Holdings (NYSE: KOP) is owned by 99.27% institutional shareholders, 13.59% Koppers Holdings insiders, and 0.00% retail investors. M. Leroy Ball is the largest individual Koppers Holdings shareholder, owning 436,243.00 shares representing 2.27% of the company. M. Leroy Ball's Koppers Holdings shares are currently valued at $21.38M.

If you're new to stock investing, here's how to buy Koppers Holdings stock.
WallStreetZen does not provide financial advice and does not issue recommendations or offers to buy stock or sell any security.

Information is provided 'as-is' and solely for informational purposes and is not advice. WallStreetZen does not bear any responsibility for any losses or damage that may occur as a result of reliance on this data.