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KOP

Koppers Holdings Inc.

NYSE · Basic Materials · Chemicals - Specialty · US

$47.78
+1.96%
Ask drillr
0
Insider buys (3m)
9
Insider sells (3m)
-$5.2M
Net value (3m)
+16.2%
Price return (3m)
Form 4 filings
DateInsiderActivitySharesPrice
Sep 1, 2026BALL M LEROY · director, officer: CEOSale4,000$46
Aug 20, 2026BALL M LEROY · director, officer: CEOSale3,000$46
Aug 13, 2026Lucas Stephen G · officer: SVP, Culture and EngagementSale1,308$45
Aug 12, 2026Sullivan James A. · officer: President and CTOSale7,500$50
Aug 11, 2026Pearce Bradley A · officer: CAOSale2,000$51
Aug 11, 2026Sullivan James A. · officer: President and CTOSale79,900$50
Aug 11, 2026Sullivan James A. · officer: President and CTOSale100$51
Jun 23, 2026BALL M LEROY · director, officer: CEOSale3,412$44
Jun 17, 2026Feng Xudong · directorA-Award34$0.00
Jun 17, 2026WILKERSON SONJA MICHELLE · directorA-Award30$0.00
Jun 17, 2026MOTLEY DAVID L · directorA-Award21$0.00
Jun 17, 2026Sandifer Andrew D · directorA-Award14$0.00
Jun 15, 2026BALL M LEROY · director, officer: CEOSale4,141$41
May 27, 2026Brenner Eric D. · officer: CFO and TreasurerA-Award6,620$0.00
May 14, 2026BALL M LEROY · director, officer: CEOSale2,659$43
May 14, 2026Pearce Bradley A · officer: Interim CFO and CAOA-Award5,000$0.00
May 11, 2026Posadas Laura J · directorA-Award3,280$0.00
May 11, 2026WILKERSON SONJA MICHELLE · directorA-Award3,280$0.00
May 11, 2026Posadas Laura J · directorM-Exempt11$0.00
May 11, 2026JENSEN TRACI L · directorM-Exempt50$0.00
May 11, 2026Sandifer Andrew D · directorA-Award3,280$0.00
May 11, 2026Vartanian Nishan J. · directorM-Exempt50$0.00
May 11, 2026NEUPAVER ALBERT J · directorM-Exempt50$0.00
May 11, 2026JENSEN TRACI L · directorA-Award3,280$0.00
May 11, 2026Vartanian Nishan J. · directorA-Award3,280$0.00
May 11, 2026Feng Xudong · directorA-Award3,280$0.00
May 11, 2026MOTLEY DAVID L · directorM-Exempt50$0.00
May 11, 2026MOTLEY DAVID L · directorA-Award3,280$0.00
Mar 25, 2026Posadas Laura J · directorA-Award11$0.00
Mar 25, 2026MOTLEY DAVID L · directorA-Award50$0.00
Institutional positioning

13F filings over the trailing two quarters

New 70Increased 142Reduced 139Sold out 15
FilerActionSharesFiled
BlackRock, Inc.Increased3,047,603Aug 7, 2026
BLACKROCK, INC.Reduced3,045,112May 13, 2026
Simcoe Capital Management, LLCIncreased1,416,160Aug 14, 2026
DIMENSIONAL FUND ADVISORS LPIncreased1,237,249Aug 11, 2026
PZENA INVESTMENT MANAGEMENT LLCIncreased1,209,376Apr 24, 2026
DIMENSIONAL FUND ADVISORS LPIncreased1,191,358May 7, 2026
PZENA INVESTMENT MANAGEMENT LLCReduced1,061,285Aug 7, 2026
FULLER & THALER ASSET MANAGEMENT, INC.Reduced978,590May 14, 2026
SIMCOE CAPITAL MANAGEMENT, LLCIncreased944,430May 14, 2026
FULLER & THALER ASSET MANAGEMENT, INC.Reduced943,279Aug 12, 2026
LSV ASSET MANAGEMENTIncreased941,881Aug 6, 2026
LSV ASSET MANAGEMENTReduced926,031May 11, 2026
AMERICAN CENTURY COMPANIES INCIncreased848,068Aug 12, 2026
VANGUARD CAPITAL MANAGEMENT LLCNew Position840,446May 15, 2026
VANGUARD CAPITAL MANAGEMENT LLCReduced812,629Aug 13, 2026

Insider activity from SEC Form 4; institutional positioning from 13F filings · Latest filing Sep 1, 2026