Koppers Holdings Inc. (KOP) Insider Trading

Over the last 3 months, KOP insiders made 0 open-market buys and 1 sale, a net sale of -$113K (SEC Form 4). Over the last 6 months, 142 institutions increased and 143 reduced their position (13F).

Insider Activity

Sentiment
0/100
Buys (3m)
0
Sells (3m)
1
Net (3m)
-$113.1K
Insider trades by month Buys Sells
Mar
Aug
Mar
May
Context3-month price +11.8%Institutions mixed (13F)
DateInsiderTypeSharesPrice
May 27, 2026Brenner Eric D.officer: CFO and TreasurerGrant6,620
May 14, 2026Pearce Bradley Aofficer: Interim CFO and CAOGrant5,000
May 14, 2026BALL M LEROYdirector, officer: CEOSell2,659$42.55
May 11, 2026JENSEN TRACI LdirectorOption50
May 11, 2026NEUPAVER ALBERT JdirectorOption50
May 11, 2026MOTLEY DAVID LdirectorGrant3,280
May 11, 2026Posadas Laura JdirectorOption11
May 11, 2026Sandifer Andrew DdirectorGrant3,280
May 11, 2026Vartanian Nishan J.directorOption50
May 11, 2026Vartanian Nishan J.directorGrant3,280
May 11, 2026Posadas Laura JdirectorGrant3,280
May 11, 2026WILKERSON SONJA MICHELLEdirectorGrant3,280
May 11, 2026JENSEN TRACI LdirectorGrant3,280
May 11, 2026MOTLEY DAVID LdirectorOption50
May 11, 2026Feng XudongdirectorGrant3,280
Mar 25, 2026Sandifer Andrew DdirectorGrant5
Mar 25, 2026Feng XudongdirectorGrant50
Mar 25, 2026JENSEN TRACI LdirectorGrant50
Mar 25, 2026Sandifer Andrew DdirectorGrant50
Mar 25, 2026MOTLEY DAVID LdirectorGrant50
Mar 25, 2026Vartanian Nishan J.directorGrant50
Mar 25, 2026Posadas Laura JdirectorGrant11
Mar 25, 2026NEUPAVER ALBERT JdirectorGrant50
Mar 25, 2026Feng XudongdirectorGrant30
Mar 25, 2026WILKERSON SONJA MICHELLEdirectorGrant50
Mar 25, 2026MOTLEY DAVID LdirectorGrant25
Mar 25, 2026WILKERSON SONJA MICHELLEdirectorGrant25
Mar 4, 2026BALL M LEROYdirector, officer: CEOSell328$37.45
Mar 4, 2026BALL M LEROYdirector, officer: CEOSell2,184$36.53
Mar 4, 2026BALL M LEROYdirector, officer: CEOSell3,763$37.02

Source: KOP SEC Form 4 filings, latest May 27, 2026. For informational purposes only — not investment advice.

Institutional activity (13F)

How institutions changed their KOP positions over the last 6 months (SEC Form 13F).

Increased
142
New positions
51
Reduced
143
Sold out
41
Largest moves
InstitutionActionSharesFiled
BLACKROCK, INC.Increased3.7MFeb 12, 2026
BLACKROCK, INC.Reduced3.0MMay 13, 2026
VANGUARD GROUP INCIncreased1.5MJan 29, 2026
PZENA INVESTMENT MANAGEMENT LLCIncreased1.2MApr 24, 2026
PZENA INVESTMENT MANAGEMENT LLCReduced1.2MFeb 6, 2026
DIMENSIONAL FUND ADVISORS LPIncreased1.2MMay 7, 2026
DIMENSIONAL FUND ADVISORS LPReduced1.2MFeb 12, 2026
FULLER & THALER ASSET MANAGEMENT, INC.Reduced1.0MFeb 18, 2026
FULLER & THALER ASSET MANAGEMENT, INC.Reduced979KMay 14, 2026
LSV ASSET MANAGEMENTReduced945KFeb 6, 2026
SIMCOE CAPITAL MANAGEMENT, LLCIncreased944KMay 14, 2026
LSV ASSET MANAGEMENTReduced926KMay 11, 2026
VANGUARD CAPITAL MANAGEMENT LLCNew Position840KMay 15, 2026
SIMCOE CAPITAL MANAGEMENT, LLCNew Position814KFeb 13, 2026
STATE STREET CORPReduced764KFeb 13, 2026

Source: SEC Form 13F filings. For informational purposes only — not investment advice.