KOP
Koppers Holdings, Inc.
NYSE · Basic Materials · Chemicals - Specialty · US
$45.33
−1.84%0
Insider buys (3m)
8
Insider sells (3m)
-$5.0M
Net value (3m)
+1.6%
Price return (3m)
Form 4 filings
| Date | Insider | Activity | Shares | Price |
|---|---|---|---|---|
| Sep 15, 2026 | Sandifer Andrew D · director | A-Award | 14 | $0.00 |
| Sep 15, 2026 | MOTLEY DAVID L · director | A-Award | 20 | $0.00 |
| Sep 15, 2026 | WILKERSON SONJA MICHELLE · director | A-Award | 29 | $0.00 |
| Sep 15, 2026 | Feng Xudong · director | A-Award | 33 | $0.00 |
| Sep 1, 2026 | BALL M LEROY · director, officer: CEO | Sale | 4,000 | $46 |
| Aug 20, 2026 | BALL M LEROY · director, officer: CEO | Sale | 3,000 | $46 |
| Aug 13, 2026 | Lucas Stephen G · officer: SVP, Culture and Engagement | Sale | 1,308 | $45 |
| Aug 12, 2026 | Sullivan James A. · officer: President and CTO | Sale | 7,500 | $50 |
| Aug 11, 2026 | Sullivan James A. · officer: President and CTO | Sale | 100 | $51 |
| Aug 11, 2026 | Sullivan James A. · officer: President and CTO | Sale | 79,900 | $50 |
| Aug 11, 2026 | Pearce Bradley A · officer: CAO | Sale | 2,000 | $51 |
| Jun 23, 2026 | BALL M LEROY · director, officer: CEO | Sale | 3,412 | $44 |
| Jun 17, 2026 | Sandifer Andrew D · director | A-Award | 14 | $0.00 |
| Jun 17, 2026 | Feng Xudong · director | A-Award | 34 | $0.00 |
| Jun 17, 2026 | MOTLEY DAVID L · director | A-Award | 21 | $0.00 |
| Jun 17, 2026 | WILKERSON SONJA MICHELLE · director | A-Award | 30 | $0.00 |
| Jun 15, 2026 | BALL M LEROY · director, officer: CEO | Sale | 4,141 | $41 |
| May 27, 2026 | Brenner Eric D. · officer: CFO and Treasurer | A-Award | 6,620 | $0.00 |
| May 14, 2026 | Pearce Bradley A · officer: Interim CFO and CAO | A-Award | 5,000 | $0.00 |
| May 14, 2026 | BALL M LEROY · director, officer: CEO | Sale | 2,659 | $43 |
| May 11, 2026 | Posadas Laura J · director | A-Award | 3,280 | $0.00 |
| May 11, 2026 | MOTLEY DAVID L · director | M-Exempt | 50 | $0.00 |
| May 11, 2026 | Sandifer Andrew D · director | A-Award | 3,280 | $0.00 |
| May 11, 2026 | Vartanian Nishan J. · director | A-Award | 3,280 | $0.00 |
| May 11, 2026 | Vartanian Nishan J. · director | M-Exempt | 50 | $0.00 |
| May 11, 2026 | Feng Xudong · director | A-Award | 3,280 | $0.00 |
| May 11, 2026 | WILKERSON SONJA MICHELLE · director | A-Award | 3,280 | $0.00 |
| May 11, 2026 | JENSEN TRACI L · director | M-Exempt | 50 | $0.00 |
| May 11, 2026 | Posadas Laura J · director | M-Exempt | 11 | $0.00 |
| May 11, 2026 | MOTLEY DAVID L · director | A-Award | 3,280 | $0.00 |
Institutional positioning
13F filings over the trailing two quarters
New 70Increased 141Reduced 138Sold out 14
| Filer | Action | Shares | Filed |
|---|---|---|---|
| BlackRock, Inc. | Increased | 3,047,603 | Aug 7, 2026 |
| BLACKROCK, INC. | Reduced | 3,045,112 | May 13, 2026 |
| Simcoe Capital Management, LLC | Increased | 1,416,160 | Aug 14, 2026 |
| DIMENSIONAL FUND ADVISORS LP | Increased | 1,237,249 | Aug 11, 2026 |
| PZENA INVESTMENT MANAGEMENT LLC | Increased | 1,209,376 | Apr 24, 2026 |
| DIMENSIONAL FUND ADVISORS LP | Increased | 1,191,358 | May 7, 2026 |
| PZENA INVESTMENT MANAGEMENT LLC | Reduced | 1,061,285 | Aug 7, 2026 |
| FULLER & THALER ASSET MANAGEMENT, INC. | Reduced | 978,590 | May 14, 2026 |
| SIMCOE CAPITAL MANAGEMENT, LLC | Increased | 944,430 | May 14, 2026 |
| FULLER & THALER ASSET MANAGEMENT, INC. | Reduced | 943,279 | Aug 12, 2026 |
| LSV ASSET MANAGEMENT | Increased | 941,881 | Aug 6, 2026 |
| LSV ASSET MANAGEMENT | Reduced | 926,031 | May 11, 2026 |
| AMERICAN CENTURY COMPANIES INC | Increased | 848,068 | Aug 12, 2026 |
| VANGUARD CAPITAL MANAGEMENT LLC | New Position | 840,446 | May 15, 2026 |
| VANGUARD CAPITAL MANAGEMENT LLC | Reduced | 812,629 | Aug 13, 2026 |
Insider activity from SEC Form 4; institutional positioning from 13F filings · Latest filing Sep 15, 2026