KOP
Koppers Hldgs (KOP)
NYSE
$46.37+$0.02 (+0.03%)
Price as of Sep 11, 2026 7:30 PM EDT
  • $876.6M
    Market Cap
  • 62.71%
    1-Year Change
  • Specialty Chemicals
    Industry

Top Holders

Institutional
Mutual Funds
Holder
Ownership %
Shares Held
Change (Shares, %)
Report Date
BLACKROCK FUNDING, INC. /DE
20.69%
4.0M
+159,740 (+4.01%)
Dec 31, 2024
BLACKROCK INC.
19.87%
3.8M
+97,626 (+2.55%)
Jun 30, 2024
BLACKROCK, INC.
15.85%
3.0M
+2,491 (+0.08%)
Jun 30, 2026
BLACKROCK FUND ADVISORS
8.65%
1.7M
+166,641 (+10.02%)
Dec 31, 2016
VANGUARD GROUP INC
8.01%
1.5M
+527 (+0.03%)
Dec 31, 2025
SIMCOE CAPITAL MANAGEMENT, LLC
7.36%
1.4M
+471,730 (+33.31%)
Jun 30, 2026
DIMENSIONAL FUND ADVISORS LP
6.43%
1.2M
+45,891 (+3.71%)
Jun 30, 2026

Current Ownership Distribution

  • Institutions369.7M (68.35%)
  • Mutual Funds168.9M (31.22%)
  • Insiders2.3M (0.43%)
  • Other0 (0.00%)

Insider Transactions

  • 0.43% (2.3M)
    Current InsiderOwnership (%, shares)
  • 0
    Number of InsiderBuying (last 12 months)
  • $0.00
    Amount of InsiderBuying (last 12 months)
  • 4
    Number of InsiderSelling (last 12 months)
  • $97.3M
    Amount of InsiderSelling (last 12 months)
Insider Name & Title
Type
Date
Transaction Value
Shares
Share Price
Shares After Transactions
Lucas Stephen G
SVP, Culture and Engagement
Sell
Aug 12, 2026
$58,271.40
1,308
$44.55
34,345
Sullivan James A.
President and CTO
Sell
Aug 11, 2026
$375,000.00
7,500
$50.00
82,898
Pearce Bradley A
CAO
Sell
Aug 10, 2026
$102,020.00
2,000
$51.01
41,037
Sullivan James A.
President and CTO
Sell
Aug 07, 2026
$4.0M
79,900
$50.01
90,498
Sullivan James A.
President and CTO
Sell
Aug 07, 2026
$5,122.00
100
$51.22
90,398
Feng Xudong
Award
Jun 15, 2026
$0.00
34
$0.00
412
WILKERSON SONJA MICHELLE
Award
Jun 15, 2026
$0.00
30
$0.00
356
Sandifer Andrew D
Award
Jun 15, 2026
$0.00
14
$0.00
103
MOTLEY DAVID L
Award
Jun 15, 2026
$0.00
21
$0.00
296
BALL M LEROY
CEO
Sell
Jun 11, 2026
$171,188.94
4,141
$41.34
439,955
BALL M LEROY
CEO
Gift
Jun 11, 2026
$0.00
300
$0.00
439,655
JENSEN TRACI L
Award
Mar 23, 2026
$0.00
50
$0.00
50
Posadas Laura J
Award
Mar 23, 2026
$0.00
11
$0.00
11
Sandifer Andrew D
Award
Mar 23, 2026
$0.00
50
$0.00
84
WILKERSON SONJA MICHELLE
Award
Mar 23, 2026
$0.00
50
$0.00
300
Sandifer Andrew D
Award
Mar 23, 2026
$0.00
5
$0.00
89
MOTLEY DAVID L
Award
Mar 23, 2026
$0.00
50
$0.00
300
WILKERSON SONJA MICHELLE
Award
Mar 23, 2026
$0.00
25
$0.00
326
MOTLEY DAVID L
Award
Mar 23, 2026
$0.00
25
$0.00
326
BALL M LEROY
CEO
Sell
Mar 17, 2026
$94,357.99
2,489
$37.91
447,459
BALL M LEROY
CEO
Gift
Mar 17, 2026
$0.00
1,200
$0.00
446,259
BALL M LEROY
CEO
Sell
Mar 02, 2026
$79,781.52
2,184
$36.53
454,364
BALL M LEROY
CEO
Sell
Mar 02, 2026
$12,283.60
328
$37.45
454,036
BALL M LEROY
CEO
Sell
Mar 02, 2026
$139,306.26
3,763
$37.02
450,273
BALL M LEROY
CEO
Gift
Mar 02, 2026
$0.00
325
$0.00
449,948
Pearce Bradley A
Interim CFO and CAO
Award
Feb 26, 2026
$0.00
82
$0.00
149
Lucas Stephen G
SVP, Culture and Engagement
Award
Feb 26, 2026
$0.00
127
$0.00
229
Pearce Bradley A
Interim CFO and CAO
Exempt
Feb 26, 2026
$0.00
82
$0.00
67
BALL M LEROY
CEO
Award
Feb 26, 2026
$0.00
1,215
$0.00
1,669
Pearce Bradley A
Interim CFO and CAO
Award
Feb 26, 2026
$0.00
3,474
$0.00
39,420