Koppers Holdings Inc (KOP)

Koppers Holdings Inc. experienced significant insider selling activity over the past ninety days, totaling approximately 9.4 million dollars. Key executives, including the CEO and President, offloaded shares following the August earnings report. These transactions reflect a consistent pattern of divestment by leadership during a period where the stock price remains near its yearly highs.
Ticker: KOP Exchange: NYS


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Insider trades have triggered activity signals for Koppers Holdings Inc. Upgrade to see score, net flow, insiders and the full signal context.

Top insiders
Trades
Abbreviations B: Buy, S: Sell, PP: Planned purchase, PlS: Planned sale, PrS: Proposed sale, O: Option / Other
3.1
BALL M LEROY CEO Executive Director
Transaction date
Sale
Price
118.70
Quantity 57,407 -47.8%
Value US$1,661,713
3.1
BALL M LEROY CEO Executive Director
Transaction date
Planned sale
Price
445.45
Quantity 82,153 +37.6%
Value US$4,210,833
Lucas Stephen G SVP, Culture and Engagement Officer
Transaction date
Sale
Price
351.48
Quantity 27,834 +21.5%
Value US$2,017,581
Lucas Stephen G Officer Officer
Transaction date
Proposed sale
Price
44.55
Quantity 1,308
Value US$58,275
2.4
Sullivan James A. President and CTO Officer
Transaction date
Sale
Price
50.00
Quantity 7,500 -8.3%
Value US$375,000
2.4
Sullivan James A. Officer Officer
Transaction date
Proposed sale
Price
50.00
Quantity 7,500
Value US$375,000
3.4
Pearce Bradley A CAO Officer
Transaction date
Sale
Price
51.01
Quantity 2,000 -4.6%
Value US$102,020
3.4
Pearce Bradley A Officer Officer
Transaction date
Proposed sale
Price
51.01
Quantity 2,000
Value US$102,020
2.4
Sullivan James A. President and CTO Officer
Transaction date
Sale
Price
51.22
Quantity 100 -0.1%
Value US$5,122
2.4
Sullivan James A. President and CTO Officer
Transaction date
Sale
Price
50.01
Quantity 79,900 -46.9%
Value US$3,995,799
2.4
Sullivan James A. Officer Officer
Transaction date
Proposed sale
Price
50.01
Quantity 80,000
Value US$4,000,668
3.1
BALL M LEROY CEO Executive Director
Transaction date
Sale
Price
43.90
Quantity 3,412 -0.8%
Value US$149,787
3.1
BALL M LEROY CEO Executive Director
Transaction date
Sale
Price
41.34
Quantity 4,141 -0.9%
Value US$171,189
3.1
BALL M LEROY CEO Executive Director
Transaction date
Planned sale
Price
42.55
Quantity 2,659 -0.6%
Value US$113,140
3.1
BALL M LEROY CEO Executive Director
Transaction date
Sale
Price
37.91
Quantity 2,489 -0.6%
Value US$94,358
3.1
BALL M LEROY CEO Executive Director
Transaction date
Sale
Price
37.02
Quantity 3,763 -0.8%
Value US$139,306
3.1
BALL M LEROY CEO Executive Director
Transaction date
Sale
Price
37.45
Quantity 328 -0.1%
Value US$12,284
3.1
BALL M LEROY CEO Executive Director
Transaction date
Sale
Price
36.53
Quantity 2,184 -0.5%
Value US$79,782
3.1
BALL M LEROY Officer; Director Executive Director
Transaction date
Proposed sale
Price
36.65
Quantity 2,512
Value US$92,068
3.1
BALL M LEROY CEO Executive Director
Transaction date
Planned sale
Price
30.48
Quantity 2,448 -0.7%
Value US$74,615
3.1
BALL M LEROY Officer; Director Executive Director
Transaction date
Proposed sale
Price
30.48
Quantity 2,448
Value US$74,621
2.3
Washington Kevin Officer Officer
Transaction date
Proposed sale
Price
27.85
Quantity 2,552
Value US$71,073
3.1
BALL M LEROY CEO Executive Director
Transaction date
Sale
Price
30.07
Quantity 505 -0.1%
Value US$15,185
3.1
BALL M LEROY CEO Executive Director
Transaction date
Sale
Price
29.15
Quantity 3,279 -0.9%
Value US$95,583
3.1
BALL M LEROY Officer; Director Executive Director
Transaction date
Proposed sale
Price
29.27
Quantity 3,784
Value US$110,761
3.1
Tritch Stephen R BOARD MEMBER AFFILIATE
Transaction date
Proposed sale
Price
37.04
Quantity 3,533
Value US$130,853
3.1
Tritch Stephen R Non-Executive Director
Transaction date
Sale
Price
37.08
Quantity 3,533 -6.9%
Value US$131,004
3.1
BALL M LEROY CEO Executive Director
Transaction date
Sale
Price
38.01
Quantity 27 -0.0%
Value US$1,026
3.1
BALL M LEROY CEO Executive Director
Transaction date
Sale
Price
37.26
Quantity 5,973 -1.9%
Value US$222,554
3.1
BALL M LEROY Officer; Director Executive Director
Transaction date
Proposed sale
Price
37.26
Quantity 6,000
Value US$223,584
3.1
BALL M LEROY CEO Executive Director
Transaction date
Sale
Price
37.59
Quantity 1,800 -0.6%
Value US$67,662
3.1
BALL M LEROY CEO Executive Director
Transaction date
Sale
Price
36.38
Quantity 4,200 -1.3%
Value US$152,796
3.1
BALL M LEROY Officer; Director Executive Director
Transaction date
Proposed sale
Price
36.74
Quantity 6,000
Value US$220,450
3.1
BALL M LEROY CEO Executive Director
Transaction date
Sale
Price
37.77
Quantity 5,103 -1.6%
Value US$192,740
3.1
BALL M LEROY Officer; Director Executive Director
Transaction date
Proposed sale
Price
37.77
Quantity 5,103
Value US$192,747
3.1
BALL M LEROY CEO Executive Director
Transaction date
Sale
Price
37.81
Quantity 4,102 -1.3%
Value US$155,097
3.1
BALL M LEROY Officer; Director Executive Director
Transaction date
Proposed sale
Price
37.81
Quantity 4,102
Value US$155,094
3.1
BALL M LEROY CEO Executive Director
Transaction date
Sale
Price
38.22
Quantity 955 -0.3%
Value US$36,500
3.1
BALL M LEROY CEO Executive Director
Transaction date
Sale
Price
37.85
Quantity 4,045 -1.3%
Value US$153,103
3.4
Pearce Bradley A Chief Accounting Officer Officer
Transaction date
Sale
Price
37.19
Quantity 3,000 -10.2%
Value US$111,570
3.1
BALL M LEROY Officer; Director Executive Director
Transaction date
Proposed sale
Price
37.58
Quantity 5,000
Value US$187,900
3.4
Pearce Bradley A Officer Officer
Transaction date
Proposed sale
Price
37.19
Quantity 3,000
Value US$111,556
3.1
BALL M LEROY CEO Executive Director
Transaction date
Sale
Price
38.35
Quantity 3,803 -1.2%
Value US$145,845
3.1
BALL M LEROY Officer; Director Executive Director
Transaction date
Proposed sale
Price
38.35
Quantity 3,803
Value US$145,839
3.1
BALL M LEROY CEO Executive Director
Transaction date
Sale
Price
39.06
Quantity 4,000 -1.2%
Value US$156,240
3.1
BALL M LEROY Officer; Director Executive Director
Transaction date
Proposed sale
Price
39.06
Quantity 4,000
Value US$156,238
3.1
Dowd Joseph P VP, Zero Harm Officer
Transaction date
Planned sale
Price
37.72
Quantity 5,516 -34.9%
Value US$208,064
3.1
Dowd Joseph P Officer Officer
Transaction date
Proposed sale
Price
37.72
Quantity 5,516
Value US$208,068
3.1
BALL M LEROY CEO Executive Director
Transaction date
Sale
Price
39.73
Quantity 2,265 -0.7%
Value US$89,988
3.1
BALL M LEROY CEO Executive Director
Transaction date
Sale
Price
42.45
Quantity 2,500 -0.8%
Value US$106,125
3.1
BALL M LEROY Officer; Director Executive Director
Transaction date
Proposed sale
Price
42.45
Quantity 2,500
Value US$106,136
3.1
BALL M LEROY CEO Executive Director
Transaction date
Sale
Price
43.69
Quantity 2,500 -0.8%
Value US$109,225
3.1
BALL M LEROY Officer; Director Executive Director
Transaction date
Proposed sale
Price
43.69
Quantity 2,500
Value US$109,217
3.1
BALL M LEROY CEO Executive Director
Transaction date
Sale
Price
42.98
Quantity 9 -0.0%
Value US$387
3.1
BALL M LEROY CEO Executive Director
Transaction date
Sale
Price
42.36
Quantity 2,491 -0.8%
Value US$105,519
3.1
BALL M LEROY Officer; Director Executive Director
Transaction date
Proposed sale
Price
43.07
Quantity 2,500
Value US$107,675
3.1
BALL M LEROY CEO Executive Director
Transaction date
Sale
Price
43.13
Quantity 2,500 -0.8%
Value US$107,825
3.1
BALL M LEROY Officer; Director Executive Director
Transaction date
Proposed sale
Price
43.13
Quantity 2,500
Value US$107,816
3.1
Dowd Joseph P Officer Officer
Transaction date
Proposed sale
Price
44.46
Quantity 6,000
Value US$266,768
3.1
Dowd Joseph P VP, Zero Harm Officer
Transaction date
Sale
Price
45.21
Quantity 100 -0.6%
Value US$4,521
3.1
Dowd Joseph P VP, Zero Harm Officer
Transaction date
Planned sale
Price
44.45
Quantity 5,900 -27.1%
Value US$262,255
2.9
Hyde Leslie S SVP, Chief Sustainability Offi Officer
Transaction date
Sale
Price
54.51
Quantity 3,195 -5.4%
Value US$174,159
2.9
Hyde Leslie S SVP, Chief Sustainability Offi Officer
Transaction date
Sale
Price
53.75
Quantity 11,246 -16.0%
Value US$604,472
2.9
Hyde Leslie S SVP, Chief Sustainability Offi Officer
Transaction date
Sale
Price
54.52
Quantity 1,364 -2.4%
Value US$74,365
2.9
Hyde Leslie S SVP, Chief Sustainability Offi Officer
Transaction date
Sale
Price
53.77
Quantity 6,598 -10.4%
Value US$354,774
2.9
Hyde Leslie S Officer Officer
Transaction date
Proposed sale
Price
53.91
Quantity 22,403
Value US$1,207,792
2.3
Washington Kevin VP, External Relations Officer
Transaction date
Sale
Price
53.12
Quantity 310 -4.6%
Value US$16,467
2.3
Washington Kevin VP, External Relations Officer
Transaction date
Sale
Price
52.54
Quantity 843 -11.2%
Value US$44,291
2.3
Washington Kevin VP, External Relations Officer
Transaction date
Sale
Price
51.84
Quantity 170 -2.2%
Value US$8,813
3.1
Dowd Joseph P VP, Zero Harm Officer
Transaction date
Sale
Price
52.32
Quantity 1,300 -5.6%
Value US$68,016
3.1
BALL M LEROY CEO Executive Director
Transaction date
Sale
Price
52.97
Quantity 2,362 -0.7%
Value US$125,115
3.1
BALL M LEROY CEO Executive Director
Transaction date
Sale
Price
53.43
Quantity 30 -0.0%
Value US$1,603
3.1
BALL M LEROY CEO Executive Director
Transaction date
Sale
Price
52.83
Quantity 4,970 -1.5%
Value US$262,565
2.3
Washington Kevin Officer Officer
Transaction date
Proposed sale
Price
52.58
Quantity 1,323
Value US$69,568
3.1
Dowd Joseph P Officer Officer
Transaction date
Proposed sale
Price
52.32
Quantity 1,300
Value US$68,016
Notification date Transaction date B/S Transaction type Insider and/or position Nb. shares
Price
Value
Number of shares Price Value Details
2026-09-01 2026-08-31 S Sale

CEO

Executive Director
57,407 -47.8%
118.70
US$1,661,713
57,407 -47.8% 118.70 US$1,661,713
2026-08-20 2026-08-19 PlS Planned sale

CEO

Executive Director
82,153 +37.6%
445.45
US$4,210,833
82,153 +37.6% 445.45 US$4,210,833
2026-08-13 2026-08-12 S Sale

SVP, Culture and Engagement

Officer
27,834 +21.5%
351.48
US$2,017,581
27,834 +21.5% 351.48 US$2,017,581
2026-08-12 2026-08-12 PrS Proposed sale

Officer

Officer
1,308
44.55
US$58,275
1,308 44.55 US$58,275
2026-08-12 2026-08-11 S Sale

President and CTO

Officer
7,500 -8.3%
50.00
US$375,000
7,500 -8.3% 50.00 US$375,000
2026-08-11 2026-08-11 PrS Proposed sale

Officer

Officer
7,500
50.00
US$375,000
7,500 50.00 US$375,000
2026-08-11 2026-08-10 S Sale

CAO

Officer
2,000 -4.6%
51.01
US$102,020
2,000 -4.6% 51.01 US$102,020
2026-08-10 2026-08-10 PrS Proposed sale

Officer

Officer
2,000
51.01
US$102,020
2,000 51.01 US$102,020
2026-08-11 2026-08-07 S Sale

President and CTO

Officer
100 -0.1%
51.22
US$5,122
100 -0.1% 51.22 US$5,122
2026-08-11 2026-08-07 S Sale

President and CTO

Officer
79,900 -46.9%
50.01
US$3,995,799
79,900 -46.9% 50.01 US$3,995,799
2026-08-07 2026-08-07 PrS Proposed sale

Officer

Officer
80,000
50.01
US$4,000,668
80,000 50.01 US$4,000,668
2026-06-23 2026-06-18 S Sale

CEO

Executive Director
3,412 -0.8%
43.90
US$149,787
3,412 -0.8% 43.90 US$149,787
2026-06-15 2026-06-11 S Sale

CEO

Executive Director
4,141 -0.9%
41.34
US$171,189
4,141 -0.9% 41.34 US$171,189
2026-05-14 2026-05-13 PlS Planned sale

CEO

Executive Director
2,659 -0.6%
42.55
US$113,140
2,659 -0.6% 42.55 US$113,140
2026-03-18 2026-03-17 S Sale

CEO

Executive Director
2,489 -0.6%
37.91
US$94,358
2,489 -0.6% 37.91 US$94,358
2026-03-04 2026-03-02 S Sale

CEO

Executive Director
3,763 -0.8%
37.02
US$139,306
3,763 -0.8% 37.02 US$139,306
2026-03-04 2026-03-02 S Sale

CEO

Executive Director
328 -0.1%
37.45
US$12,284
328 -0.1% 37.45 US$12,284
2026-03-04 2026-03-02 S Sale

CEO

Executive Director
2,184 -0.5%
36.53
US$79,782
2,184 -0.5% 36.53 US$79,782
2026-03-02 2026-03-02 PrS Proposed sale

Officer; Director

Executive Director
2,512
36.65
US$92,068
2,512 36.65 US$92,068
2025-08-18 2025-08-15 PlS Planned sale

CEO

Executive Director
2,448 -0.7%
30.48
US$74,615
2,448 -0.7% 30.48 US$74,615
2025-08-15 2025-08-15 PrS Proposed sale

Officer; Director

Executive Director
2,448
30.48
US$74,621
2,448 30.48 US$74,621
2025-08-11 2025-08-11 PrS Proposed sale

Officer

Officer
2,552
27.85
US$71,073
2,552 27.85 US$71,073
2025-03-20 2025-03-19 S Sale

CEO

Executive Director
505 -0.1%
30.07
US$15,185
505 -0.1% 30.07 US$15,185
2025-03-20 2025-03-19 S Sale

CEO

Executive Director
3,279 -0.9%
29.15
US$95,583
3,279 -0.9% 29.15 US$95,583
2025-03-19 2025-03-19 PrS Proposed sale

Officer; Director

Executive Director
3,784
29.27
US$110,761
3,784 29.27 US$110,761
2024-11-22 2024-11-20 PrS Proposed sale

BOARD MEMBER AFFILIATE

3,533
37.04
US$130,853
3,533 37.04 US$130,853
2024-11-20 2024-11-19 S Sale Non-Executive Director
3,533 -6.9%
37.08
US$131,004
3,533 -6.9% 37.08 US$131,004
2024-11-20 2024-11-19 S Sale

CEO

Executive Director
27 -0.0%
38.01
US$1,026
27 -0.0% 38.01 US$1,026
2024-11-20 2024-11-19 S Sale

CEO

Executive Director
5,973 -1.9%
37.26
US$222,554
5,973 -1.9% 37.26 US$222,554
2024-11-19 2024-11-19 PrS Proposed sale

Officer; Director

Executive Director
6,000
37.26
US$223,584
6,000 37.26 US$223,584
2024-11-18 2024-11-15 S Sale

CEO

Executive Director
1,800 -0.6%
37.59
US$67,662
1,800 -0.6% 37.59 US$67,662
2024-11-18 2024-11-15 S Sale

CEO

Executive Director
4,200 -1.3%
36.38
US$152,796
4,200 -1.3% 36.38 US$152,796
2024-11-15 2024-11-15 PrS Proposed sale

Officer; Director

Executive Director
6,000
36.74
US$220,450
6,000 36.74 US$220,450
2024-11-18 2024-11-14 S Sale

CEO

Executive Director
5,103 -1.6%
37.77
US$192,740
5,103 -1.6% 37.77 US$192,740
2024-11-14 2024-11-14 PrS Proposed sale

Officer; Director

Executive Director
5,103
37.77
US$192,747
5,103 37.77 US$192,747
2024-11-14 2024-11-13 S Sale

CEO

Executive Director
4,102 -1.3%
37.81
US$155,097
4,102 -1.3% 37.81 US$155,097
2024-11-13 2024-11-13 PrS Proposed sale

Officer; Director

Executive Director
4,102
37.81
US$155,094
4,102 37.81 US$155,094
2024-11-14 2024-11-12 S Sale

CEO

Executive Director
955 -0.3%
38.22
US$36,500
955 -0.3% 38.22 US$36,500
2024-11-14 2024-11-12 S Sale

CEO

Executive Director
4,045 -1.3%
37.85
US$153,103
4,045 -1.3% 37.85 US$153,103
2024-11-13 2024-11-12 S Sale

Chief Accounting Officer

Officer
3,000 -10.2%
37.19
US$111,570
3,000 -10.2% 37.19 US$111,570
2024-11-12 2024-11-12 PrS Proposed sale

Officer; Director

Executive Director
5,000
37.58
US$187,900
5,000 37.58 US$187,900
2024-11-12 2024-11-12 PrS Proposed sale

Officer

Officer
3,000
37.19
US$111,556
3,000 37.19 US$111,556
2024-08-30 2024-08-29 S Sale

CEO

Executive Director
3,803 -1.2%
38.35
US$145,845
3,803 -1.2% 38.35 US$145,845
2024-08-29 2024-08-29 PrS Proposed sale

Officer; Director

Executive Director
3,803
38.35
US$145,839
3,803 38.35 US$145,839
2024-08-28 2024-08-27 S Sale

CEO

Executive Director
4,000 -1.2%
39.06
US$156,240
4,000 -1.2% 39.06 US$156,240
2024-08-27 2024-08-27 PrS Proposed sale

Officer; Director

Executive Director
4,000
39.06
US$156,238
4,000 39.06 US$156,238
2024-08-20 2024-08-19 PlS Planned sale

VP, Zero Harm

Officer
5,516 -34.9%
37.72
US$208,064
5,516 -34.9% 37.72 US$208,064
2024-08-19 2024-08-19 PrS Proposed sale

Officer

Officer
5,516
37.72
US$208,068
5,516 37.72 US$208,068
2024-06-20 2024-06-20 S Sale

CEO

Executive Director
2,265 -0.7%
39.73
US$89,988
2,265 -0.7% 39.73 US$89,988
2024-06-10 2024-06-07 S Sale

CEO

Executive Director
2,500 -0.8%
42.45
US$106,125
2,500 -0.8% 42.45 US$106,125
2024-06-07 2024-06-07 PrS Proposed sale

Officer; Director

Executive Director
2,500
42.45
US$106,136
2,500 42.45 US$106,136
2024-06-10 2024-06-06 S Sale

CEO

Executive Director
2,500 -0.8%
43.69
US$109,225
2,500 -0.8% 43.69 US$109,225
2024-06-06 2024-06-06 PrS Proposed sale

Officer; Director

Executive Director
2,500
43.69
US$109,217
2,500 43.69 US$109,217
2024-05-29 2024-05-28 S Sale

CEO

Executive Director
9 -0.0%
42.98
US$387
9 -0.0% 42.98 US$387
2024-05-29 2024-05-28 S Sale

CEO

Executive Director
2,491 -0.8%
42.36
US$105,519
2,491 -0.8% 42.36 US$105,519
2024-05-28 2024-05-28 PrS Proposed sale

Officer; Director

Executive Director
2,500
43.07
US$107,675
2,500 43.07 US$107,675
2024-05-29 2024-05-24 S Sale

CEO

Executive Director
2,500 -0.8%
43.13
US$107,825
2,500 -0.8% 43.13 US$107,825
2024-05-24 2024-05-24 PrS Proposed sale

Officer; Director

Executive Director
2,500
43.13
US$107,816
2,500 43.13 US$107,816
2024-05-17 2024-05-17 PrS Proposed sale

Officer

Officer
6,000
44.46
US$266,768
6,000 44.46 US$266,768
2024-05-17 2024-05-17 S Sale

VP, Zero Harm

Officer
100 -0.6%
45.21
US$4,521
100 -0.6% 45.21 US$4,521
2024-05-17 2024-05-17 PlS Planned sale

VP, Zero Harm

Officer
5,900 -27.1%
44.45
US$262,255
5,900 -27.1% 44.45 US$262,255
2024-03-22 2024-03-21 S Sale

SVP, Chief Sustainability Offi

Officer
3,195 -5.4%
54.51
US$174,159
3,195 -5.4% 54.51 US$174,159
2024-03-22 2024-03-21 S Sale

SVP, Chief Sustainability Offi

Officer
11,246 -16.0%
53.75
US$604,472
11,246 -16.0% 53.75 US$604,472
2024-03-22 2024-03-21 S Sale

SVP, Chief Sustainability Offi

Officer
1,364 -2.4%
54.52
US$74,365
1,364 -2.4% 54.52 US$74,365
2024-03-22 2024-03-21 S Sale

SVP, Chief Sustainability Offi

Officer
6,598 -10.4%
53.77
US$354,774
6,598 -10.4% 53.77 US$354,774
2024-03-21 2024-03-21 PrS Proposed sale

Officer

Officer
22,403
53.91
US$1,207,792
22,403 53.91 US$1,207,792
2024-03-07 2024-03-06 S Sale

VP, External Relations

Officer
310 -4.6%
53.12
US$16,467
310 -4.6% 53.12 US$16,467
2024-03-07 2024-03-06 S Sale

VP, External Relations

Officer
843 -11.2%
52.54
US$44,291
843 -11.2% 52.54 US$44,291
2024-03-07 2024-03-06 S Sale

VP, External Relations

Officer
170 -2.2%
51.84
US$8,813
170 -2.2% 51.84 US$8,813
2024-03-07 2024-03-06 S Sale

VP, Zero Harm

Officer
1,300 -5.6%
52.32
US$68,016
1,300 -5.6% 52.32 US$68,016
2024-03-07 2024-03-06 S Sale

CEO

Executive Director
2,362 -0.7%
52.97
US$125,115
2,362 -0.7% 52.97 US$125,115
2024-03-07 2024-03-06 S Sale

CEO

Executive Director
30 -0.0%
53.43
US$1,603
30 -0.0% 53.43 US$1,603
2024-03-07 2024-03-06 S Sale

CEO

Executive Director
4,970 -1.5%
52.83
US$262,565
4,970 -1.5% 52.83 US$262,565
2024-03-06 2024-03-06 PrS Proposed sale

Officer

Officer
1,323
52.58
US$69,568
1,323 52.58 US$69,568
2024-03-06 2024-03-06 PrS Proposed sale

Officer

Officer
1,300
52.32
US$68,016
1,300 52.32 US$68,016