Wilkerson Sonja Michelle
Director
Award
Calculated transaction value
$0
29.35 shares @ $0
Traded
Sep 14, 2026
Filed
Sep 15, 2026
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Koppers Holdings
KOP
ManufacturingLumber & Wood
Transactions reported in official disclosures
Price with disclosed trades
Daily closes, past year · marks sit on transaction dates, sized by value
20 trades
| Reporting person | Filed | Transaction | Transaction value | Source | Actions |
|---|---|---|---|---|---|
| Wilkerson Sonja Michelle Director | Sep 15, 2026 1-day lag | Award Sep 14, 2026 | $0 Filed shares x price | SEC Form 4 View filing | |
| Feng Xudong Director | Sep 15, 2026 1-day lag | Award Sep 14, 2026 | $0 Filed shares x price | SEC Form 4 View filing | |
| Motley David L Director | Sep 15, 2026 1-day lag | Award Sep 14, 2026 | $0 Filed shares x price | SEC Form 4 View filing | |
| Sandifer Andrew D Director | Sep 15, 2026 1-day lag | Award Sep 14, 2026 | $0 Filed shares x price | SEC Form 4 View filing | |
| Ball M Leroy CEO | Sep 1, 2026 1-day lag | Gift Aug 31, 2026 | $0 Filed shares x price | SEC Form 4 View filing | |
| Ball M Leroy CEO | Sep 1, 2026 1-day lag | Sale Aug 31, 2026 | $183.84K Filed shares x price | SEC Form 4 View filing | |
| Ball M Leroy CEO | Aug 20, 2026 1-day lag | Sale Aug 19, 2026 | $137.52K Filed shares x price | SEC Form 4 View filing | |
| Lucas Stephen G SVP, Culture And Engagement | Aug 13, 2026 1-day lag | Sale Aug 12, 2026 | $58.27K Filed shares x price | SEC Form 4 View filing | |
| Sullivan James A. President And CTO | Aug 12, 2026 1-day lag | Sale Aug 11, 2026 | $375K Filed shares x price | SEC Form 4 View filing | |
| Pearce Bradley A CAO | Aug 11, 2026 1-day lag | Sale Aug 10, 2026 | $102.02K Filed shares x price | SEC Form 4 View filing | |
| Sullivan James A. President And CTO | Aug 11, 2026 4-day lag | Sale Aug 7, 2026 | $5.12K Filed shares x price | SEC Form 4 View filing | |
| Sullivan James A. President And CTO | Aug 11, 2026 4-day lag | Sale Aug 7, 2026 | $4M Filed shares x price | SEC Form 4 View filing | |
| Ball M Leroy CEO | Jun 23, 2026 5-day lag | Sale Jun 18, 2026 | $149.79K Filed shares x price | SEC Form 4 View filing | |
| Wilkerson Sonja Michelle Director | Jun 17, 2026 2-day lag | Award Jun 15, 2026 | $0 Filed shares x price | SEC Form 4 View filing | |
| Sandifer Andrew D Director | Jun 17, 2026 2-day lag | Award Jun 15, 2026 | $0 Filed shares x price | SEC Form 4 View filing | |
| Motley David L Director | Jun 17, 2026 2-day lag | Award Jun 15, 2026 | $0 Filed shares x price | SEC Form 4 View filing | |
| Feng Xudong Director | Jun 17, 2026 2-day lag | Award Jun 15, 2026 | $0 Filed shares x price | SEC Form 4 View filing | |
| Ball M Leroy CEO | Jun 15, 2026 4-day lag | Sale Jun 11, 2026 | $171.19K Filed shares x price | SEC Form 4 View filing | |
| Ball M Leroy CEO | Jun 15, 2026 4-day lag | Gift Jun 11, 2026 | $0 Filed shares x price | SEC Form 4 View filing | |
| Feng Xudong Director | Jun 4, 2026 1-day lag | Gift Jun 3, 2026 | $0 Filed shares x price | SEC Form 4 View filing |
Feng Xudong
Director
Award
Calculated transaction value
$0
32.95 shares @ $0
Traded
Sep 14, 2026
Filed
Sep 15, 2026
Motley David L
Director
Award
Calculated transaction value
$0
19.98 shares @ $0
Traded
Sep 14, 2026
Filed
Sep 15, 2026
Sandifer Andrew D
Director
Award
Calculated transaction value
$0
13.52 shares @ $0
Traded
Sep 14, 2026
Filed
Sep 15, 2026
Ball M Leroy
CEO
Gift
Calculated transaction value
$0
200 shares @ $0
Traded
Aug 31, 2026
Filed
Sep 1, 2026
Ball M Leroy
CEO
Sale
Calculated transaction value
$183.84K
4,000 shares @ $45.96
Traded
Aug 31, 2026
Filed
Sep 1, 2026
Ball M Leroy
CEO
Sale
Calculated transaction value
$137.52K
3,000 shares @ $45.84
Traded
Aug 19, 2026
Filed
Aug 20, 2026
Lucas Stephen G
SVP, Culture And Engagement
Sale
Calculated transaction value
$58.27K
1,308 shares @ $44.55
Traded
Aug 12, 2026
Filed
Aug 13, 2026
Sullivan James A.
President And CTO
Sale
Calculated transaction value
$375K
7,500 shares @ $50
Traded
Aug 11, 2026
Filed
Aug 12, 2026
Pearce Bradley A
CAO
Sale
Calculated transaction value
$102.02K
2,000 shares @ $51.01
Traded
Aug 10, 2026
Filed
Aug 11, 2026
Sullivan James A.
President And CTO
Sale
Calculated transaction value
$5.12K
100 shares @ $51.22
Traded
Aug 7, 2026
Filed
Aug 11, 2026
Sullivan James A.
President And CTO
Sale
Calculated transaction value
$4M
79,900 shares @ $50.01
Traded
Aug 7, 2026
Filed
Aug 11, 2026
Ball M Leroy
CEO
Sale
Calculated transaction value
$149.79K
3,412 shares @ $43.9
Traded
Jun 18, 2026
Filed
Jun 23, 2026
Wilkerson Sonja Michelle
Director
Award
Calculated transaction value
$0
30.35 shares @ $0
Traded
Jun 15, 2026
Filed
Jun 17, 2026
Sandifer Andrew D
Director
Award
Calculated transaction value
$0
13.98 shares @ $0
Traded
Jun 15, 2026
Filed
Jun 17, 2026
Motley David L
Director
Award
Calculated transaction value
$0
20.66 shares @ $0
Traded
Jun 15, 2026
Filed
Jun 17, 2026
Feng Xudong
Director
Award
Calculated transaction value
$0
34.06 shares @ $0
Traded
Jun 15, 2026
Filed
Jun 17, 2026
Ball M Leroy
CEO
Sale
Calculated transaction value
$171.19K
4,141 shares @ $41.34
Traded
Jun 11, 2026
Filed
Jun 15, 2026
Ball M Leroy
CEO
Gift
Calculated transaction value
$0
300 shares @ $0
Traded
Jun 11, 2026
Filed
Jun 15, 2026
Feng Xudong
Director
Gift
Calculated transaction value
$0
5,695 shares @ $0
Traded
Jun 3, 2026
Filed
Jun 4, 2026