BALL M LEROY, CEO of Koppers Holdings Inc. ($KOP), sold shares on the open market six times in the last 365 days, totaling about $417 thousand. His most recent sale occurred on March 2, 2026. These sales rank 6,855th among 11,678 individual insiders by amount sold, compared to an average of 8.6 million per insider and 6.4 transactions. BALL M LEROY made no open market purchases during this period.
| Transaction Date | Company | Ticker | Insider Name | Title | Transaction Type | Security | Shares | Price | Shares Owned Following | Total Shares Outstanding | % of Owned | % of Outstanding |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| March 17, 2026 | Koppers Holdings Inc. | $KOP | BALL M LEROY | CEO | G | Common Stock | 1200 | $0.00 | 446,259.4007 | 20,414,000 | 0.27% | 0.01% |
| March 17, 2026 | Koppers Holdings Inc. | $KOP | BALL M LEROY | CEO | S | Common Stock | 2489 | $37.91 | 447,459.4007 | 20,414,000 | 0.55% | 0.01% |
| March 2, 2026 | Koppers Holdings Inc. | $KOP | BALL M LEROY | CEO | S | Common Stock | 328 | $37.45 | 454,036.4007 | 20,414,000 | 0.07% | 0.00% |
| March 2, 2026 | Koppers Holdings Inc. | $KOP | BALL M LEROY | CEO | S | Common Stock | 3763 | $37.02 | 450,273.4007 | 20,414,000 | 0.83% | 0.02% |
| March 2, 2026 | Koppers Holdings Inc. | $KOP | BALL M LEROY | CEO | G | Common Stock | 325 | $0.00 | 449,948.4007 | 20,414,000 | 0.07% | 0.00% |
| March 2, 2026 | Koppers Holdings Inc. | $KOP | BALL M LEROY | CEO | S | Common Stock | 2184 | $36.53 | 454,364.4007 | 20,414,000 | 0.48% | 0.01% |
| Feb. 26, 2026 | Koppers Holdings Inc. | $KOP | BALL M LEROY | CEO | A | Common Stock | 50025 | $0.00 | 477,569.4007 | 20,414,000 | 11.70% | 0.25% |
| Feb. 26, 2026 | Koppers Holdings Inc. | $KOP | BALL M LEROY | CEO | M | Common Stock | 1215 | $0.00 | 478,784.4007 | 20,414,000 | 0.25% | 0.01% |
| Feb. 26, 2026 | Koppers Holdings Inc. | $KOP | BALL M LEROY | CEO | F | Common Stock | 22236 | $37.24 | 456,548.4007 | 20,414,000 | 4.64% | 0.11% |
| Feb. 26, 2026 | Koppers Holdings Inc. | $KOP | BALL M LEROY | CEO | A | Dividend Equivalent Rights | 1215 | $0.00 | 1,669.0000 | 20,414,000 | 267.62% | 0.01% |
| Feb. 26, 2026 | Koppers Holdings Inc. | $KOP | BALL M LEROY | CEO | M | Dividend Equivalent Rights | 1215 | $0.00 | 454.0000 | 20,414,000 | 72.80% | 0.01% |
| Feb. 18, 2026 | Koppers Holdings Inc. | $KOP | BALL M LEROY | CEO | M | Employee Stock Options (Rights to Buy) | 30728 | $0.00 | 0.0000 | 20,414,000 | 100.00% | 0.15% |
| Feb. 18, 2026 | Koppers Holdings Inc. | $KOP | BALL M LEROY | CEO | F | Common Stock | 22282 | $35.06 | 427,544.4007 | 20,414,000 | 4.95% | 0.11% |
| Feb. 17, 2026 | ATI INC | $ATI | BALL M LEROY | Not found | G | Common Stock, par value $0.10 per share | 350 | $0.00 | 33,832.0000 | 141,800,000 | 1.02% | 0.00% |
| Feb. 18, 2026 | Koppers Holdings Inc. | $KOP | BALL M LEROY | CEO | M | Common Stock | 30728 | $18.11 | 449,826.4007 | 20,414,000 | 7.33% | 0.15% |
| Feb. 10, 2026 | Koppers Holdings Inc. | $KOP | BALL M LEROY | CEO | M | Emplooyee Stoock Options (Rights to Buy) | 30000 | $0.00 | 30,728.0000 | 20,414,000 | 49.40% | 0.15% |
| Feb. 10, 2026 | Koppers Holdings Inc. | $KOP | BALL M LEROY | CEO | F | Common Stock | 22241 | $33.20 | 419,098.4007 | 20,414,000 | 5.04% | 0.11% |
| Feb. 10, 2026 | Koppers Holdings Inc. | $KOP | BALL M LEROY | CEO | M | Common Stock | 30000 | $18.11 | 441,339.4007 | 20,414,000 | 7.29% | 0.15% |
| Jan. 2, 2026 | Koppers Holdings Inc. | $KOP | BALL M LEROY | CEO | A | Dividend Equivalent Rights | 519 | $0.00 | 2,510.0000 | 20,414,000 | 26.07% | 0.00% |
| Jan. 2, 2026 | Koppers Holdings Inc. | $KOP | BALL M LEROY | CEO | A | Restricted Stock Units | 12360 | $0.00 | 12,360.0000 | 20,414,000 | 9999.99% | 0.06% |
| Jan. 2, 2026 | Koppers Holdings Inc. | $KOP | BALL M LEROY | CEO | A | Restricted Stock Units | 15972 | $0.00 | 64,634.0000 | 20,414,000 | 32.82% | 0.08% |
| Jan. 5, 2026 | Koppers Holdings Inc. | $KOP | BALL M LEROY | CEO | F | Common Stock | 39811 | $26.93 | 411,339.4007 | 20,414,000 | 8.82% | 0.20% |
| Jan. 5, 2026 | Koppers Holdings Inc. | $KOP | BALL M LEROY | CEO | M | Common Stock | 2056 | $0.00 | 451,150.4007 | 20,414,000 | 0.46% | 0.01% |
| Jan. 5, 2026 | Koppers Holdings Inc. | $KOP | BALL M LEROY | CEO | M | Common Stock | 64634 | $0.00 | 449,094.4007 | 20,414,000 | 16.81% | 0.32% |
| Jan. 5, 2026 | Koppers Holdings Inc. | $KOP | BALL M LEROY | CEO | A | Common Stock | 27152 | $0.00 | 384,460.4007 | 20,414,000 | 7.60% | 0.13% |
| Jan. 5, 2026 | Koppers Holdings Inc. | $KOP | BALL M LEROY | CEO | M | Dividend Equivalent Rights | 2056 | $0.00 | 454.0000 | 20,414,000 | 81.91% | 0.01% |
| Jan. 5, 2026 | Koppers Holdings Inc. | $KOP | BALL M LEROY | CEO | M | Restricted Stock Units | 64634 | $0.00 | 0.0000 | 20,414,000 | 100.00% | 0.32% |
| Dec. 16, 2025 | Koppers Holdings Inc. | $KOP | BALL M LEROY | CEO | A | Dividend Equivalent Rights | 1087 | $0.00 | 1,991.0000 | 20,414,000 | 120.24% | 0.01% |
| Nov. 19, 2025 | ATI INC | $ATI | BALL M LEROY | Not found | G | Common Stock, par value $0.10 per share | 185 | $0.00 | 34,182.0000 | 142,600,000 | 0.54% | 0.00% |
| Aug. 15, 2025 | Koppers Holdings Inc. | $KOP | BALL M LEROY | CEO | S | Common Stock | 2448 | $30.48 | 357,308.4007 | 21,291,000 | 0.68% | 0.01% |
| June 18, 2025 | Koppers Holdings Inc. | $KOP | BALL M LEROY | CEO | G | Common Stock | 834 | $0.00 | 359,428.4007 | 21,291,000 | 0.23% | 0.00% |
| May 21, 2025 | Koppers Holdings Inc. | $KOP | BALL M LEROY | CEO | G | Common Stock | 1750 | $0.00 | 360,262.4007 | 21,291,000 | 0.48% | 0.01% |
| May 20, 2025 | ATI INC | $ATI | BALL M LEROY | Not found | A | Common Stock, par value $0.10 per share | 1655 | $0.00 | 34,367.0000 | 146,600,000 | 5.06% | 0.00% |
| March 19, 2025 | Koppers Holdings Inc. | $KOP | BALL M LEROY | CEO | S | Common Stock | 505 | $30.07 | 361,512.4007 | 21,291,000 | 0.14% | 0.00% |
| March 19, 2025 | Koppers Holdings Inc. | $KOP | BALL M LEROY | CEO | S | Common Stock | 3279 | $29.15 | 362,017.4007 | 21,291,000 | 0.90% | 0.02% |
| Feb. 20, 2025 | Koppers Holdings Inc. | $KOP | BALL M LEROY | CEO | M | Common Stock | 6000 | $17.57 | 369,798.4007 | 21,291,000 | 1.65% | 0.03% |
| Feb. 20, 2025 | Koppers Holdings Inc. | $KOP | BALL M LEROY | CEO | F | Common Stock | 4502 | $30.58 | 365,296.4007 | 21,291,000 | 1.22% | 0.02% |
| Feb. 20, 2025 | Koppers Holdings Inc. | $KOP | BALL M LEROY | CEO | M | Employee Stock Options (Rights to Buy) | 6000 | $0.00 | 0.0000 | 21,291,000 | 100.00% | 0.03% |
| Jan. 3, 2025 | Koppers Holdings Inc. | $KOP | BALL M LEROY | CEO | A | Restricted Stock Units | 19936 | $0.00 | 48,662.0000 | 21,291,000 | 69.40% | 0.09% |
| Jan. 3, 2025 | Koppers Holdings Inc. | $KOP | BALL M LEROY | CEO | A | Common Stock | 28816 | $0.00 | 343,141.4007 | 21,291,000 | 9.17% | 0.14% |
| Jan. 3, 2025 | Koppers Holdings Inc. | $KOP | BALL M LEROY | CEO | M | Common Stock | 51874 | $0.00 | 395,015.4007 | 21,291,000 | 15.12% | 0.24% |
| Jan. 3, 2025 | Koppers Holdings Inc. | $KOP | BALL M LEROY | CEO | M | Common Stock | 1392 | $0.00 | 396,407.4007 | 21,291,000 | 0.35% | 0.01% |
| Jan. 3, 2025 | Koppers Holdings Inc. | $KOP | BALL M LEROY | CEO | F | Common Stock | 32609 | $31.72 | 363,798.4007 | 21,291,000 | 8.23% | 0.15% |
| Jan. 3, 2025 | Koppers Holdings Inc. | $KOP | BALL M LEROY | CEO | A | Restricted Stock Units | 19862 | $0.00 | 51,874.0000 | 21,291,000 | 62.05% | 0.09% |
| Jan. 3, 2025 | Koppers Holdings Inc. | $KOP | BALL M LEROY | CEO | A | Dividend Equivalent Rights | 675 | $0.00 | 2,293.0000 | 21,291,000 | 41.72% | 0.00% |
| Jan. 3, 2025 | Koppers Holdings Inc. | $KOP | BALL M LEROY | CEO | M | Restricted Stock Units | 51874 | $0.00 | 0.0000 | 21,291,000 | 100.00% | 0.24% |
| Jan. 3, 2025 | Koppers Holdings Inc. | $KOP | BALL M LEROY | CEO | M | Dividend Equivalent Rights | 1392 | $0.00 | 904.0000 | 21,291,000 | 60.63% | 0.01% |
| Dec. 16, 2024 | Koppers Holdings Inc. | $KOP | BALL M LEROY | CEO | A | Dividend Equivalent Rights | 701 | $0.00 | 1,618.0000 | 21,448,000 | 76.44% | 0.00% |
| Nov. 19, 2024 | Koppers Holdings Inc. | $KOP | BALL M LEROY | CEO | G | Common Stock | 804 | $0.00 | 314,325.4007 | 21,448,000 | 0.26% | 0.00% |
| Nov. 19, 2024 | Koppers Holdings Inc. | $KOP | BALL M LEROY | CEO | M | Employee Stock Options (Rights to Buy) | 6000 | $0.00 | 6,000.0000 | 21,448,000 | 50.00% | 0.03% |
| Nov. 19, 2024 | Koppers Holdings Inc. | $KOP | BALL M LEROY | CEO | S | Common Stock | 27 | $38.01 | 314,325.4007 | 21,448,000 | 0.01% | 0.00% |
| Nov. 19, 2024 | Koppers Holdings Inc. | $KOP | BALL M LEROY | CEO | S | Common Stock | 5973 | $37.26 | 314,352.4007 | 21,448,000 | 1.86% | 0.03% |
| Nov. 19, 2024 | Koppers Holdings Inc. | $KOP | BALL M LEROY | CEO | M | Common Stock | 6000 | $17.57 | 320,325.4007 | 21,448,000 | 1.91% | 0.03% |
| Nov. 14, 2024 | Koppers Holdings Inc. | $KOP | BALL M LEROY | CEO | S | Common Stock | 5103 | $37.77 | 315,129.4007 | 21,448,000 | 1.59% | 0.02% |
| Nov. 14, 2024 | Koppers Holdings Inc. | $KOP | BALL M LEROY | CEO | M | Common Stock | 5103 | $17.57 | 320,232.4007 | 21,448,000 | 1.62% | 0.02% |
| Nov. 15, 2024 | Koppers Holdings Inc. | $KOP | BALL M LEROY | CEO | M | Employee Stock Options (Rights to Buy) | 6000 | $0.00 | 12,000.0000 | 21,448,000 | 33.33% | 0.03% |
| Nov. 14, 2024 | Koppers Holdings Inc. | $KOP | BALL M LEROY | CEO | M | Employee Stock Options (Rights to Buy) | 5103 | $0.00 | 18,000.0000 | 21,448,000 | 22.09% | 0.02% |
| Nov. 15, 2024 | Koppers Holdings Inc. | $KOP | BALL M LEROY | CEO | S | Common Stock | 1800 | $37.59 | 315,129.4007 | 21,448,000 | 0.57% | 0.01% |
| Nov. 15, 2024 | Koppers Holdings Inc. | $KOP | BALL M LEROY | CEO | S | Common Stock | 4200 | $36.38 | 316,929.4007 | 21,448,000 | 1.31% | 0.02% |
| Nov. 15, 2024 | Koppers Holdings Inc. | $KOP | BALL M LEROY | CEO | M | Common Stock | 6000 | $17.57 | 321,129.4007 | 21,448,000 | 1.90% | 0.03% |
| Nov. 13, 2024 | Koppers Holdings Inc. | $KOP | BALL M LEROY | CEO | M | Employee Stock Options (Rights to Buy) | 4102 | $0.00 | 23,103.0000 | 21,448,000 | 15.08% | 0.02% |
| Nov. 12, 2024 | Koppers Holdings Inc. | $KOP | BALL M LEROY | CEO | M | Common Stock | 5000 | $17.57 | 320,129.4007 | 21,448,000 | 1.59% | 0.02% |
| Nov. 12, 2024 | Koppers Holdings Inc. | $KOP | BALL M LEROY | CEO | S | Common Stock | 4045 | $37.85 | 316,084.4007 | 21,448,000 | 1.26% | 0.02% |
| Nov. 12, 2024 | Koppers Holdings Inc. | $KOP | BALL M LEROY | CEO | S | Common Stock | 955 | $38.22 | 315,129.4007 | 21,448,000 | 0.30% | 0.00% |
| Nov. 13, 2024 | Koppers Holdings Inc. | $KOP | BALL M LEROY | CEO | M | Common Stock | 4102 | $17.57 | 319,231.4007 | 21,448,000 | 1.30% | 0.02% |
| Nov. 13, 2024 | Koppers Holdings Inc. | $KOP | BALL M LEROY | CEO | S | Common Stock | 4102 | $37.81 | 315,129.4007 | 21,448,000 | 1.28% | 0.02% |
| Nov. 12, 2024 | Koppers Holdings Inc. | $KOP | BALL M LEROY | CEO | M | Employee Stock Options (Rights to Buy) | 5000 | $0.00 | 27,205.0000 | 21,448,000 | 15.53% | 0.02% |
| Aug. 29, 2024 | Koppers Holdings Inc. | $KOP | BALL M LEROY | CEO | S | Common Stock | 3803 | $38.35 | 315,129.4007 | 21,539,000 | 1.19% | 0.02% |
| Aug. 27, 2024 | Koppers Holdings Inc. | $KOP | BALL M LEROY | CEO | M | Employee Stock Options (Rights to Buy) | 4000 | $0.00 | 32,205.0000 | 21,539,000 | 11.05% | 0.02% |
| Aug. 27, 2024 | Koppers Holdings Inc. | $KOP | BALL M LEROY | CEO | M | Common Stock | 4000 | $17.57 | 322,932.4007 | 21,539,000 | 1.25% | 0.02% |
| Aug. 27, 2024 | Koppers Holdings Inc. | $KOP | BALL M LEROY | CEO | S | Common Stock | 4000 | $39.06 | 318,932.4007 | 21,539,000 | 1.24% | 0.02% |
| June 20, 2024 | Koppers Holdings Inc. | $KOP | BALL M LEROY | CEO | S | Common Stock | 2265 | $39.73 | 318,743.4007 | 21,539,000 | 0.71% | 0.01% |
| June 6, 2024 | Koppers Holdings Inc. | $KOP | BALL M LEROY | CEO | M | Common Stock | 2500 | $17.57 | 323,508.4007 | 21,539,000 | 0.78% | 0.01% |
| June 7, 2024 | Koppers Holdings Inc. | $KOP | BALL M LEROY | CEO | M | Employee Stock Options (Rights to Buy) | 2500 | $0.00 | 36,205.0000 | 21,539,000 | 6.46% | 0.01% |
| June 6, 2024 | Koppers Holdings Inc. | $KOP | BALL M LEROY | CEO | S | Common Stock | 2500 | $43.69 | 321,008.4007 | 21,539,000 | 0.77% | 0.01% |
| June 7, 2024 | Koppers Holdings Inc. | $KOP | BALL M LEROY | CEO | M | Common Stock | 2500 | $17.57 | 323,508.4007 | 21,539,000 | 0.78% | 0.01% |
| June 7, 2024 | Koppers Holdings Inc. | $KOP | BALL M LEROY | CEO | S | Common Stock | 2500 | $42.45 | 321,008.4007 | 21,539,000 | 0.77% | 0.01% |
| June 6, 2024 | Koppers Holdings Inc. | $KOP | BALL M LEROY | CEO | M | Employee Stock Options (Rights to Buy) | 2500 | $0.00 | 38,705.0000 | 21,539,000 | 6.07% | 0.01% |
| May 28, 2024 | Koppers Holdings Inc. | $KOP | BALL M LEROY | CEO | S | Common Stock | 2491 | $42.36 | 321,017.4007 | 21,539,000 | 0.77% | 0.01% |
| May 24, 2024 | Koppers Holdings Inc. | $KOP | BALL M LEROY | CEO | M | Employee Stock Options (Rights to Buy) | 2500 | $0.00 | 43,705.0000 | 21,539,000 | 5.41% | 0.01% |
| May 28, 2024 | Koppers Holdings Inc. | $KOP | BALL M LEROY | CEO | M | Employee Stock Options (Rights to Buy) | 2500 | $0.00 | 41,205.0000 | 21,539,000 | 5.72% | 0.01% |
| May 28, 2024 | Koppers Holdings Inc. | $KOP | BALL M LEROY | CEO | M | Commoon Stock | 2500 | $17.57 | 323,508.4007 | 21,539,000 | 0.78% | 0.01% |
| May 28, 2024 | Koppers Holdings Inc. | $KOP | BALL M LEROY | CEO | S | Common Stock | 9 | $42.98 | 321,008.4007 | 21,539,000 | 0.00% | 0.00% |
| May 24, 2024 | Koppers Holdings Inc. | $KOP | BALL M LEROY | CEO | S | Common Stock | 2500 | $43.13 | 321,008.4007 | 21,539,000 | 0.77% | 0.01% |
| May 24, 2024 | Koppers Holdings Inc. | $KOP | BALL M LEROY | CEO | M | Common Stock | 2500 | $17.57 | 323,508.4007 | 21,539,000 | 0.78% | 0.01% |
| May 21, 2024 | ATI INC | $ATI | BALL M LEROY | Director | A | Common Stock, par value $0.10 per share | 2054 | $0.00 | 33,192.0000 | 150,000,000 | 6.60% | 0.00% |
| May 21, 2024 | ATI INC | $ATI | BALL M LEROY | Director | G | Common Stock, par value $0.10 per share | 480 | $0.00 | 32,712.0000 | 150,000,000 | 1.45% | 0.00% |
| March 6, 2024 | Koppers Holdings Inc. | $KOP | BALL M LEROY | CEO | M | Common Stock | 5000 | $17.57 | 328,080.4007 | 21,539,000 | 1.55% | 0.02% |
| March 6, 2024 | Koppers Holdings Inc. | $KOP | BALL M LEROY | CEO | S | Common Stock | 4970 | $52.83 | 323,110.4007 | 21,539,000 | 1.51% | 0.02% |
| March 6, 2024 | Koppers Holdings Inc. | $KOP | BALL M LEROY | CEO | S | Common Stock | 30 | $53.43 | 323,080.4007 | 21,539,000 | 0.01% | 0.00% |
| March 6, 2024 | Koppers Holdings Inc. | $KOP | BALL M LEROY | CEO | S | Common Stock | 2362 | $52.97 | 320,718.4007 | 21,539,000 | 0.73% | 0.01% |
| March 6, 2024 | Koppers Holdings Inc. | $KOP | BALL M LEROY | CEO | M | Employee Stock Options (Rights to Buy) | 5000 | $0.00 | 46,205.0000 | 21,539,000 | 9.76% | 0.02% |
| March 4, 2024 | Koppers Holdings Inc. | $KOP | BALL M LEROY | CEO | G | Common Stock | 1862 | $0.00 | 323,080.4007 | 21,539,000 | 0.57% | 0.01% |
| March 4, 2024 | Koppers Holdings Inc. | $KOP | BALL M LEROY | CEO | S | Common Stock | 5000 | $53.51 | 323,080.4007 | 21,539,000 | 1.52% | 0.02% |
| March 5, 2024 | Koppers Holdings Inc. | $KOP | BALL M LEROY | CEO | M | Common Stock | 6103 | $17.57 | 329,183.4007 | 21,539,000 | 1.89% | 0.03% |
| March 5, 2024 | Koppers Holdings Inc. | $KOP | BALL M LEROY | CEO | S | Common Stock | 5276 | $53.47 | 323,180.4007 | 21,539,000 | 1.61% | 0.02% |
| March 5, 2024 | Koppers Holdings Inc. | $KOP | BALL M LEROY | CEO | S | Common Stock | 727 | $52.90 | 328,456.4007 | 21,539,000 | 0.22% | 0.00% |
| March 4, 2024 | Koppers Holdings Inc. | $KOP | BALL M LEROY | CEO | M | Common Stock | 5000 | $17.57 | 328,080.4007 | 21,539,000 | 1.55% | 0.02% |
| March 5, 2024 | Koppers Holdings Inc. | $KOP | BALL M LEROY | CEO | M | Employee Stock Options (Rights to Buy) | 6103 | $0.00 | 51,205.0000 | 21,539,000 | 10.65% | 0.03% |
| March 4, 2024 | Koppers Holdings Inc. | $KOP | BALL M LEROY | CEO | M | Employee Stock Options (Rights to Buy) | 5000 | $0.00 | 57,308.0000 | 21,539,000 | 8.02% | 0.02% |
| March 5, 2024 | Koppers Holdings Inc. | $KOP | BALL M LEROY | CEO | S | Common Stock | 100 | $54.00 | 323,080.4007 | 21,539,000 | 0.03% | 0.00% |
| March 1, 2024 | Koppers Holdings Inc. | $KOP | BALL M LEROY | CEO | M | Dividend Equivalent Rights | 92 | $0.00 | 917.0000 | 21,539,000 | 9.12% | 0.00% |
| March 1, 2024 | Koppers Holdings Inc. | $KOP | BALL M LEROY | CEO | F | Common Stock | 2882 | $52.97 | 324,942.4007 | 21,539,000 | 0.88% | 0.01% |
| March 1, 2024 | Koppers Holdings Inc. | $KOP | BALL M LEROY | CEO | M | Common Stock | 92 | $0.00 | 327,824.4007 | 21,539,000 | 0.03% | 0.00% |
| Jan. 4, 2024 | Koppers Holdings Inc. | $KOP | BALL M LEROY | CEO | A | Restricted Stock Units | 28726 | $0.00 | 28,726.0000 | 21,539,000 | 9999.99% | 0.13% |
| Jan. 5, 2024 | Koppers Holdings Inc. | $KOP | BALL M LEROY | CEO | M | Restricted Stock Units | 41150 | $0.00 | 0.0000 | 21,539,000 | 100.00% | 0.19% |
| Jan. 5, 2024 | Koppers Holdings Inc. | $KOP | BALL M LEROY | CEO | M | Dividend Equivalent Rights | 746 | $0.00 | 1,009.0000 | 21,539,000 | 42.51% | 0.00% |
| Jan. 4, 2024 | Koppers Holdings Inc. | $KOP | BALL M LEROY | CEO | A | Common Stock | 14862 | $0.00 | 311,283.4007 | 21,539,000 | 5.01% | 0.07% |
| Jan. 5, 2024 | Koppers Holdings Inc. | $KOP | BALL M LEROY | CEO | M | Common Stock | 41150 | $0.00 | 352,433.4007 | 21,539,000 | 13.22% | 0.19% |
| Jan. 5, 2024 | Koppers Holdings Inc. | $KOP | BALL M LEROY | CEO | M | Common Stock | 746 | $0.00 | 353,179.4007 | 21,539,000 | 0.21% | 0.00% |
| Jan. 5, 2024 | Koppers Holdings Inc. | $KOP | BALL M LEROY | CEO | F | Common Stock | 25447 | $47.32 | 327,732.4007 | 21,539,000 | 7.21% | 0.12% |
| Jan. 4, 2024 | Koppers Holdings Inc. | $KOP | BALL M LEROY | CEO | A | Restricted Stock Units | 20945 | $0.00 | 41,150.0000 | 21,539,000 | 103.66% | 0.10% |
| Jan. 4, 2024 | Koppers Holdings Inc. | $KOP | BALL M LEROY | CEO | A | Restricted Stock Units | 26155 | $0.00 | 32,012.0000 | 21,539,000 | 446.56% | 0.12% |
| Jan. 4, 2024 | Koppers Holdings Inc. | $KOP | BALL M LEROY | CEO | A | Dividend Equivalent Rights | 842 | $0.00 | 1,755.0000 | 21,539,000 | 92.22% | 0.00% |
| Dec. 20, 2023 | Koppers Holdings Inc. | $KOP | BALL M LEROY | President and CEO | M | Common Stock | 7000 | $17.57 | 303,421.4007 | 21,313,000 | 2.36% | 0.03% |
| Dec. 20, 2023 | Koppers Holdings Inc. | $KOP | BALL M LEROY | President and CEO | M | Employee Stock Options (Rights to Buy) | 7000 | $0.00 | 62,308.0000 | 21,313,000 | 10.10% | 0.03% |
| Dec. 20, 2023 | Koppers Holdings Inc. | $KOP | BALL M LEROY | President and CEO | S | Common Stock | 7000 | $49.27 | 296,421.4007 | 21,313,000 | 2.31% | 0.03% |
| Dec. 12, 2023 | Koppers Holdings Inc. | $KOP | BALL M LEROY | President and CEO | A | Dividend Equivalent Rights | 499 | $0.00 | 913.0000 | 21,313,000 | 120.53% | 0.00% |
| Dec. 1, 2023 | Koppers Holdings Inc. | $KOP | BALL M LEROY | President and CEO | M | Common Stock | 13102 | $17.57 | 309,523.4007 | 21,313,000 | 4.42% | 0.06% |
| Dec. 1, 2023 | Koppers Holdings Inc. | $KOP | BALL M LEROY | President and CEO | S | Common Stock | 9000 | $44.42 | 300,523.4007 | 21,313,000 | 2.91% | 0.04% |
| Dec. 1, 2023 | Koppers Holdings Inc. | $KOP | BALL M LEROY | President and CEO | S | Common Stock | 4102 | $45.00 | 296,421.4007 | 21,313,000 | 1.36% | 0.02% |
| Dec. 1, 2023 | Koppers Holdings Inc. | $KOP | BALL M LEROY | President and CEO | M | Employee Stock Options (Rights to Buy) | 13102 | $0.00 | 69,308.0000 | 21,313,000 | 15.90% | 0.06% |
| Nov. 15, 2023 | Koppers Holdings Inc. | $KOP | BALL M LEROY | President and CEO | S | Common Stock | 8327 | $42.83 | 297,261.4007 | 21,313,000 | 2.72% | 0.04% |
| Nov. 14, 2023 | Koppers Holdings Inc. | $KOP | BALL M LEROY | President and CEO | M | Common Stock | 10000 | $17.57 | 306,421.4007 | 21,313,000 | 3.37% | 0.05% |
| Nov. 14, 2023 | Koppers Holdings Inc. | $KOP | BALL M LEROY | President and CEO | S | Common Stock | 10000 | $42.24 | 296,421.4007 | 21,313,000 | 3.26% | 0.05% |
| Nov. 15, 2023 | Koppers Holdings Inc. | $KOP | BALL M LEROY | President and CEO | M | Common Stock | 9167 | $37.93 | 305,588.4007 | 21,313,000 | 3.09% | 0.04% |
| Nov. 15, 2023 | Koppers Holdings Inc. | $KOP | BALL M LEROY | President and CEO | S | Common Stock | 840 | $43.50 | 296,421.4007 | 21,313,000 | 0.28% | 0.00% |
| Nov. 14, 2023 | Koppers Holdings Inc. | $KOP | BALL M LEROY | President and CEO | M | Employee Stock Options (Rights to Buy) | 10000 | $0.00 | 82,410.0000 | 21,313,000 | 10.82% | 0.05% |
| Nov. 15, 2023 | Koppers Holdings Inc. | $KOP | BALL M LEROY | President and CEO | M | Employee Stock Options (Rights to Buy) | 9167 | $0.00 | 0.0000 | 21,313,000 | 100.00% | 0.04% |
| Nov. 14, 2023 | Koppers Holdings Inc. | $KOP | BALL M LEROY | President and CEO | G | Common Stock | 2500 | $0.00 | 296,421.4007 | 21,313,000 | 0.84% | 0.01% |
| Aug. 30, 2023 | Koppers Holdings Inc. | $KOP | BALL M LEROY | President and CEO | S | Common Stock | 2000 | $38.59 | 298,921.4007 | 21,313,000 | 0.66% | 0.01% |
| June 12, 2023 | Koppers Holdings Inc. | $KOP | BALL M LEROY | President and CEO | G | Common Stock | 756 | $0.00 | 300,608.4007 | 21,313,000 | 0.25% | 0.00% |
| May 30, 2023 | Koppers Holdings Inc. | $KOP | BALL M LEROY | President and CEO | G | Common Stock | 800 | $0.00 | 301,364.4007 | 21,313,000 | 0.26% | 0.00% |
| March 3, 2023 | Koppers Holdings Inc. | $KOP | BALL M LEROY | President and CEO | M | Common Stock | 49 | $0.00 | 306,344.4007 | 21,313,000 | 0.02% | 0.00% |
| March 3, 2023 | Koppers Holdings Inc. | $KOP | BALL M LEROY | President and CEO | M | Dividend Equivalent Rights | 49 | $0.00 | 446.0000 | 21,313,000 | 9.90% | 0.00% |
| March 6, 2023 | Koppers Holdings Inc. | $KOP | BALL M LEROY | President and CEO | M | Common Stock | 32 | $0.00 | 303,524.4007 | 21,313,000 | 0.01% | 0.00% |
| March 6, 2023 | Koppers Holdings Inc. | $KOP | BALL M LEROY | President and CEO | M | Dividend Equivalent Rights | 32 | $0.00 | 414.0000 | 21,313,000 | 7.17% | 0.00% |
| March 6, 2023 | Koppers Holdings Inc. | $KOP | BALL M LEROY | President and CEO | F | Common Stock | 1855 | $35.46 | 301,669.4007 | 21,313,000 | 0.61% | 0.01% |
| March 3, 2023 | Koppers Holdings Inc. | $KOP | BALL M LEROY | President and CEO | F | Common Stock | 2852 | $37.55 | 303,492.4007 | 21,313,000 | 0.93% | 0.01% |
| June 1, 2022 | Koppers Holdings Inc. | $KOP | BALL M LEROY | President and CEO | G | Common Stock | 388 | $0.00 | 308,466.2224 | 0 | 0.13% | 0.00% |
| Dec. 14, 2022 | Koppers Holdings Inc. | $KOP | BALL M LEROY | President and CEO | G | Common Stock | 337 | $0.00 | 306,296.2224 | 0 | 0.11% | 0.00% |
| Nov. 30, 2022 | Koppers Holdings Inc. | $KOP | BALL M LEROY | President and CEO | G | Common Stock | 833 | $0.00 | 306,633.2224 | 0 | 0.27% | 0.00% |
| Nov. 28, 2022 | Koppers Holdings Inc. | $KOP | BALL M LEROY | President and CEO | G | Common Stock | 1000 | $0.00 | 307,466.2224 | 0 | 0.32% | 0.00% |
| Jan. 5, 2023 | Koppers Holdings Inc. | $KOP | BALL M LEROY | President and CEO | A | Dividend Equivalent Rights | 103 | $0.00 | 495.0000 | 21,313,000 | 26.28% | 0.00% |
| Jan. 5, 2023 | Koppers Holdings Inc. | $KOP | BALL M LEROY | President and CEO | M | Common Stock | 68 | $0.00 | 313,045.2224 | 21,313,000 | 0.02% | 0.00% |
| Jan. 5, 2023 | Koppers Holdings Inc. | $KOP | BALL M LEROY | President and CEO | F | Common Stock | 4191 | $28.58 | 308,854.2224 | 21,313,000 | 1.34% | 0.02% |
| Jan. 5, 2023 | Koppers Holdings Inc. | $KOP | BALL M LEROY | President and CEO | M | Dividend Equivalent Rights | 68 | $0.00 | 392.0000 | 21,313,000 | 14.78% | 0.00% |
| Jan. 5, 2023 | Koppers Holdings Inc. | $KOP | BALL M LEROY | President and CEO | A | Restricted Stock Units | 8053 | $0.00 | 20,205.0000 | 21,313,000 | 66.27% | 0.04% |
| Jan. 5, 2023 | Koppers Holdings Inc. | $KOP | BALL M LEROY | President and CEO | A | Restricted Stock Units | 5857 | $0.00 | 5,857.0000 | 21,313,000 | 9999.99% | 0.03% |
| Jan. 4, 2023 | Koppers Holdings Inc. | $KOP | BALL M LEROY | President and CEO | A | Common Stock | 21543 | $0.00 | 312,977.2224 | 21,313,000 | 7.39% | 0.10% |
| Jan. 3, 2023 | Koppers Holdings Inc. | $KOP | BALL M LEROY | President and CEO | A | Dividend Equivalent Rights | 460 | $0.00 | 460.0000 | 21,313,000 | 9999.99% | 0.00% |