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)
| Date | Insider | Type | Shares | Price |
|---|---|---|---|---|
| May 27, 2026 | Brenner Eric D.officer: CFO and Treasurer | Grant | 6,620 | — |
| May 14, 2026 | Pearce Bradley Aofficer: Interim CFO and CAO | Grant | 5,000 | — |
| May 14, 2026 | BALL M LEROYdirector, officer: CEO | Sell | 2,659 | $42.55 |
| May 11, 2026 | JENSEN TRACI Ldirector | Option | 50 | — |
| May 11, 2026 | NEUPAVER ALBERT Jdirector | Option | 50 | — |
| May 11, 2026 | MOTLEY DAVID Ldirector | Grant | 3,280 | — |
| May 11, 2026 | Posadas Laura Jdirector | Option | 11 | — |
| May 11, 2026 | Sandifer Andrew Ddirector | Grant | 3,280 | — |
| May 11, 2026 | Vartanian Nishan J.director | Option | 50 | — |
| May 11, 2026 | Vartanian Nishan J.director | Grant | 3,280 | — |
| May 11, 2026 | Posadas Laura Jdirector | Grant | 3,280 | — |
| May 11, 2026 | WILKERSON SONJA MICHELLEdirector | Grant | 3,280 | — |
| May 11, 2026 | JENSEN TRACI Ldirector | Grant | 3,280 | — |
| May 11, 2026 | MOTLEY DAVID Ldirector | Option | 50 | — |
| May 11, 2026 | Feng Xudongdirector | Grant | 3,280 | — |
| Mar 25, 2026 | Sandifer Andrew Ddirector | Grant | 5 | — |
| Mar 25, 2026 | Feng Xudongdirector | Grant | 50 | — |
| Mar 25, 2026 | JENSEN TRACI Ldirector | Grant | 50 | — |
| Mar 25, 2026 | Sandifer Andrew Ddirector | Grant | 50 | — |
| Mar 25, 2026 | MOTLEY DAVID Ldirector | Grant | 50 | — |
| Mar 25, 2026 | Vartanian Nishan J.director | Grant | 50 | — |
| Mar 25, 2026 | Posadas Laura Jdirector | Grant | 11 | — |
| Mar 25, 2026 | NEUPAVER ALBERT Jdirector | Grant | 50 | — |
| Mar 25, 2026 | Feng Xudongdirector | Grant | 30 | — |
| Mar 25, 2026 | WILKERSON SONJA MICHELLEdirector | Grant | 50 | — |
| Mar 25, 2026 | MOTLEY DAVID Ldirector | Grant | 25 | — |
| Mar 25, 2026 | WILKERSON SONJA MICHELLEdirector | Grant | 25 | — |
| Mar 4, 2026 | BALL M LEROYdirector, officer: CEO | Sell | 328 | $37.45 |
| Mar 4, 2026 | BALL M LEROYdirector, officer: CEO | Sell | 2,184 | $36.53 |
| Mar 4, 2026 | BALL M LEROYdirector, officer: CEO | Sell | 3,763 | $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
| Institution | Action | Shares | Filed |
|---|---|---|---|
| BLACKROCK, INC. | Increased | 3.7M | Feb 12, 2026 |
| BLACKROCK, INC. | Reduced | 3.0M | May 13, 2026 |
| VANGUARD GROUP INC | Increased | 1.5M | Jan 29, 2026 |
| PZENA INVESTMENT MANAGEMENT LLC | Increased | 1.2M | Apr 24, 2026 |
| PZENA INVESTMENT MANAGEMENT LLC | Reduced | 1.2M | Feb 6, 2026 |
| DIMENSIONAL FUND ADVISORS LP | Increased | 1.2M | May 7, 2026 |
| DIMENSIONAL FUND ADVISORS LP | Reduced | 1.2M | Feb 12, 2026 |
| FULLER & THALER ASSET MANAGEMENT, INC. | Reduced | 1.0M | Feb 18, 2026 |
| FULLER & THALER ASSET MANAGEMENT, INC. | Reduced | 979K | May 14, 2026 |
| LSV ASSET MANAGEMENT | Reduced | 945K | Feb 6, 2026 |
| SIMCOE CAPITAL MANAGEMENT, LLC | Increased | 944K | May 14, 2026 |
| LSV ASSET MANAGEMENT | Reduced | 926K | May 11, 2026 |
| VANGUARD CAPITAL MANAGEMENT LLC | New Position | 840K | May 15, 2026 |
| SIMCOE CAPITAL MANAGEMENT, LLC | New Position | 814K | Feb 13, 2026 |
| STATE STREET CORP | Reduced | 764K | Feb 13, 2026 |
Source: SEC Form 13F filings. For informational purposes only — not investment advice.