Real time insider trading transaction history:
- Insiders are prohibited from making short-swing profits by trading their shares within 6 months of the registration or acquiring the shares.
- Shares are not adjusted for stock split.
"Insiders might sell their shares for any number of reasons, but they buy them for only one: they think the price will rise"
- Peter Lynch
What is insider trading>>
- Peter Lynch
What is insider trading>>
Common stock purchase or sale:
| Transaction Date | Reported DateTime | Company | Symbol | Insider Relationship | Shares Traded | Average Price | Total Amount | Shares Owned | Filing |
| 2026-03-17 Sale | 2026-03-18 4:27 pm | Koppers Holdings Inc. | KOP | BALL M LEROY CEO | 2,489 | $37.91 | $94,358 | 446,259 (Direct) | View |
| 2026-03-02 Sale | 2026-03-04 4:22 pm | Koppers Holdings Inc. | KOP | BALL M LEROY CEO | 6,275 | $36.87 | $231,371 | 449,948 (Direct) | View |
| 2025-08-15 Sale | 2025-08-18 4:24 pm | Koppers Holdings Inc. | KOP | BALL M LEROY CEO | 2,448 | $30.48 | $74,615 | 357,308 (Direct) | View |
| 2025-03-19 Sale | 2025-03-20 4:13 pm | Koppers Holdings Inc. | KOP | BALL M LEROY CEO | 3,784 | $29.27 | $110,768 | 361,512 (Direct) | View |
| 2024-11-19 Sale | 2024-11-20 4:17 pm | Koppers Holdings Inc. | KOP | BALL M LEROY CEO | 6,000 | $37.26 | $223,580 | 320,325 (Direct) | View |
| 2024-11-14 Sale | 2024-11-18 4:31 pm | Koppers Holdings Inc. | KOP | BALL M LEROY CEO | 11,103 | $37.22 | $413,198 | 345,129 (Direct) | View |
| 2024-11-12 Sale | 2024-11-14 4:57 pm | Koppers Holdings Inc. | KOP | BALL M LEROY CEO | 9,102 | $37.87 | $344,700 | 365,437 (Direct) | View |
| 2024-08-29 Sale | 2024-08-30 4:01 pm | Koppers Holdings Inc. | KOP | BALL M LEROY CEO | 3,803 | $38.35 | $145,845 | 315,129 (Direct) | View |
| 2024-08-27 Sale | 2024-08-28 4:13 pm | Koppers Holdings Inc. | KOP | BALL M LEROY CEO | 4,000 | $39.06 | $156,240 | 351,137 (Direct) | View |
| 2024-06-20 Sale | 2024-06-20 4:12 pm | Koppers Holdings Inc. | KOP | BALL M LEROY CEO | 2,265 | $39.73 | $89,988 | 318,743 (Direct) | View |
| 2024-06-06 Sale | 2024-06-10 4:13 pm | Koppers Holdings Inc. | KOP | BALL M LEROY CEO | 5,000 | $43.07 | $215,350 | 395,918 (Direct) | View |
| 2024-05-24 Sale | 2024-05-29 4:21 pm | Koppers Holdings Inc. | KOP | BALL M LEROY CEO | 5,000 | $42.75 | $213,731 | 405,918 (Direct) | View |
| 2024-03-06 Sale | 2024-03-07 4:36 pm | Koppers Holdings Inc. | KOP | BALL M LEROY CEO | 7,362 | $52.88 | $389,283 | 366,923 (Direct) | View |
| 2024-03-04 Sale | 2024-03-06 5:59 pm | Koppers Holdings Inc. | KOP | BALL M LEROY CEO | 11,103 | $53.46 | $593,516 | 431,593 (Direct) | View |
| 2023-12-20 Sale | 2023-12-21 4:12 pm | Koppers Holdings Inc. | KOP | BALL M LEROY President and CEO | 7,000 | $49.27 | $344,890 | 358,729 (Direct) | View |
| 2023-12-01 Sale | 2023-12-04 4:20 pm | Koppers Holdings Inc. | KOP | BALL M LEROY President and CEO | 13,102 | $44.6 | $584,370 | 365,729 (Direct) | View |
| 2023-11-14 Sale | 2023-11-16 4:06 pm | Koppers Holdings Inc. | KOP | BALL M LEROY President and CEO | 19,167 | $42.55 | $815,585 | 378,831 (Direct) | View |
| 2023-08-30 Sale | 2023-08-31 5:29 pm | Koppers Holdings Inc. | KOP | BALL M LEROY President and CEO | 2,000 | $38.59 | $77,182 | 298,921 (Direct) | View |
Stock options: Exercise, Award, Grant, Conversion
| Transaction Date | Reported DateTime | Exercisable Expiration | Company | Symnbol | Insider Relationship | Shares Traded | Conversion Price | Shares Owned | Filing |
| 2026-03-17 Gift | 2026-03-18 4:27 pm | N/A N/A | Koppers Holdings Inc. | KOP | BALL M LEROY CEO | 1,200 | $0 | 446,259 (Direct) | View |
| 2026-03-02 Gift | 2026-03-04 4:22 pm | N/A N/A | Koppers Holdings Inc. | KOP | BALL M LEROY CEO | 325 | $0 | 449,948 (Direct) | View |
| 2026-02-26 Option Award | 2026-03-02 4:15 pm | N/A N/A | Koppers Holdings Inc. | KOP | BALL M LEROY CEO | 51,240 | $0 | 458,671 (Direct) | View |
| 2026-02-26 Exercise | 2026-03-02 4:15 pm | N/A N/A | Koppers Holdings Inc. | KOP | BALL M LEROY CEO | 1,215 | $0 | 458,671 (Direct) | View |
| 2026-02-26 Tax Withholding | 2026-03-02 4:15 pm | N/A N/A | Koppers Holdings Inc. | KOP | BALL M LEROY CEO | 22,236 | $37.24 | 458,671 (Direct) | View |
| 2026-02-17 Gift | 2026-02-19 4:26 pm | N/A N/A | ATI INC | ATI | BALL M LEROY Director | 350 | $0 | 33,832 (Direct) | View |
| 2026-02-18 Exercise | 2026-02-19 4:18 pm | N/A N/A | Koppers Holdings Inc. | KOP | BALL M LEROY CEO | 30,728 | $18.11 | 427,544 (Direct) | View |
| 2026-02-18 Exercise | 2026-02-19 4:18 pm | 2017-03-01 2026-03-01 | Koppers Holdings Inc. | KOP | BALL M LEROY CEO | 30,728 | $0 | 427,544 (Direct) | View |
| 2026-02-18 Tax Withholding | 2026-02-19 4:18 pm | N/A N/A | Koppers Holdings Inc. | KOP | BALL M LEROY CEO | 22,282 | $35.06 | 427,544 (Direct) | View |
| 2026-02-10 Exercise | 2026-02-12 4:08 pm | N/A N/A | Koppers Holdings Inc. | KOP | BALL M LEROY CEO | 30,000 | $18.11 | 449,826 (Direct) | View |
| 2026-02-10 Exercise | 2026-02-12 4:08 pm | 2017-03-01 2026-03-01 | Koppers Holdings Inc. | KOP | BALL M LEROY CEO | 30,000 | $0 | 449,826 (Direct) | View |
| 2026-02-10 Tax Withholding | 2026-02-12 4:08 pm | N/A N/A | Koppers Holdings Inc. | KOP | BALL M LEROY CEO | 22,241 | $33.2 | 449,826 (Direct) | View |
| 2026-01-02 Option Award | 2026-01-06 6:04 pm | N/A N/A | Koppers Holdings Inc. | KOP | BALL M LEROY CEO | 56,003 | $0 | 491,297 (Direct) | View |
| 2026-01-05 Exercise | 2026-01-06 6:04 pm | N/A N/A | Koppers Holdings Inc. | KOP | BALL M LEROY CEO | 66,690 | $0 | 491,297 (Direct) | View |
| 2026-01-05 Tax Withholding | 2026-01-06 6:04 pm | N/A N/A | Koppers Holdings Inc. | KOP | BALL M LEROY CEO | 39,811 | $26.93 | 491,297 (Direct) | View |
| 2025-12-16 Option Award | 2025-12-17 6:12 pm | N/A N/A | Koppers Holdings Inc. | KOP | BALL M LEROY CEO | 1,087 | $0 | 1,991 (Direct) | View |
| 2025-11-19 Gift | 2025-11-21 4:57 pm | N/A N/A | ATI INC | ATI | BALL M LEROY Director | 185 | $0 | 34,182 (Direct) | View |
| 2025-06-18 Gift | 2025-06-20 4:10 pm | N/A N/A | Koppers Holdings Inc. | KOP | BALL M LEROY CEO | 834 | $0 | 359,428 (Direct) | View |
| 2025-05-21 Gift | 2025-05-22 4:13 pm | N/A N/A | Koppers Holdings Inc. | KOP | BALL M LEROY CEO | 1,750 | $0 | 360,262 (Direct) | View |
| 2025-05-20 Option Award | 2025-05-22 4:06 pm | N/A N/A | ATI INC | ATI | BALL M LEROY Director | 1,655 | $0 | 34,367 (Direct) | View |
| 2025-02-20 Exercise | 2025-02-24 4:44 pm | 2016-03-03 2025-03-03 | Koppers Holdings Inc. | KOP | BALL M LEROY CEO | 6,000 | $0 | 365,296 (Direct) | View |
| 2025-02-20 Tax Withholding | 2025-02-24 4:44 pm | N/A N/A | Koppers Holdings Inc. | KOP | BALL M LEROY CEO | 4,502 | $30.58 | 365,296 (Direct) | View |
| 2025-02-20 Exercise | 2025-02-24 4:44 pm | N/A N/A | Koppers Holdings Inc. | KOP | BALL M LEROY CEO | 6,000 | $17.57 | 365,296 (Direct) | View |
| 2025-01-03 Option Award | 2025-01-07 4:02 pm | N/A N/A | Koppers Holdings Inc. | KOP | BALL M LEROY CEO | 69,289 | $0 | 467,531 (Direct) | View |
| 2025-01-03 Tax Withholding | 2025-01-07 4:02 pm | N/A N/A | Koppers Holdings Inc. | KOP | BALL M LEROY CEO | 32,609 | $31.72 | 467,531 (Direct) | View |
| 2025-01-03 Exercise | 2025-01-07 4:02 pm | N/A N/A | Koppers Holdings Inc. | KOP | BALL M LEROY CEO | 53,266 | $0 | 467,531 (Direct) | View |
| 2024-12-16 Option Award | 2024-12-18 4:30 pm | N/A N/A | Koppers Holdings Inc. | KOP | BALL M LEROY CEO | 701 | $0 | 1,618 (Direct) | View |
| 2024-11-19 Gift | 2024-11-20 4:17 pm | N/A N/A | Koppers Holdings Inc. | KOP | BALL M LEROY CEO | 804 | $0 | 320,325 (Direct) | View |
| 2024-11-19 Exercise | 2024-11-20 4:17 pm | 2016-03-03 2025-03-03 | Koppers Holdings Inc. | KOP | BALL M LEROY CEO | 6,000 | $0 | 320,325 (Direct) | View |
| 2024-11-19 Exercise | 2024-11-20 4:17 pm | N/A N/A | Koppers Holdings Inc. | KOP | BALL M LEROY CEO | 6,000 | $17.57 | 320,325 (Direct) | View |
| 2024-11-14 Exercise | 2024-11-18 4:31 pm | 2016-03-03 2025-03-03 | Koppers Holdings Inc. | KOP | BALL M LEROY CEO | 11,103 | $0 | 345,129 (Direct) | View |
| 2024-11-14 Exercise | 2024-11-18 4:31 pm | N/A N/A | Koppers Holdings Inc. | KOP | BALL M LEROY CEO | 11,103 | $17.57 | 345,129 (Direct) | View |
| 2024-11-12 Exercise | 2024-11-14 4:57 pm | 2016-03-03 2025-03-03 | Koppers Holdings Inc. | KOP | BALL M LEROY CEO | 9,102 | $0 | 365,437 (Direct) | View |
| 2024-11-12 Exercise | 2024-11-14 4:57 pm | N/A N/A | Koppers Holdings Inc. | KOP | BALL M LEROY CEO | 9,102 | $17.57 | 365,437 (Direct) | View |
| 2024-08-27 Exercise | 2024-08-28 4:13 pm | 2016-03-03 2025-03-03 | Koppers Holdings Inc. | KOP | BALL M LEROY CEO | 4,000 | $0 | 351,137 (Direct) | View |
| 2024-08-27 Exercise | 2024-08-28 4:13 pm | N/A N/A | Koppers Holdings Inc. | KOP | BALL M LEROY CEO | 4,000 | $17.57 | 351,137 (Direct) | View |
| 2024-06-06 Exercise | 2024-06-10 4:13 pm | 2016-03-03 2025-03-03 | Koppers Holdings Inc. | KOP | BALL M LEROY CEO | 5,000 | $0 | 395,918 (Direct) | View |
| 2024-06-06 Exercise | 2024-06-10 4:13 pm | N/A N/A | Koppers Holdings Inc. | KOP | BALL M LEROY CEO | 5,000 | $17.57 | 395,918 (Direct) | View |
| 2024-05-24 Exercise | 2024-05-29 4:21 pm | 2016-03-03 2025-03-03 | Koppers Holdings Inc. | KOP | BALL M LEROY CEO | 5,000 | $0 | 405,918 (Direct) | View |
| 2024-05-24 Exercise | 2024-05-29 4:21 pm | N/A N/A | Koppers Holdings Inc. | KOP | BALL M LEROY CEO | 5,000 | $17.57 | 405,918 (Direct) | View |
| 2024-05-21 Option Award | 2024-05-23 5:34 pm | N/A N/A | ATI INC | ATI | BALL M LEROY Director | 2,054 | $0 | 32,712 (Direct) | View |
| 2024-05-21 Gift | 2024-05-23 5:34 pm | N/A N/A | ATI INC | ATI | BALL M LEROY Director | 480 | $0 | 32,712 (Direct) | View |
| 2024-03-06 Exercise | 2024-03-07 4:36 pm | 2016-03-03 2025-03-03 | Koppers Holdings Inc. | KOP | BALL M LEROY CEO | 5,000 | $0 | 366,923 (Direct) | View |
| 2024-03-06 Exercise | 2024-03-07 4:36 pm | N/A N/A | Koppers Holdings Inc. | KOP | BALL M LEROY CEO | 5,000 | $17.57 | 366,923 (Direct) | View |
| 2024-03-04 Gift | 2024-03-06 5:59 pm | N/A N/A | Koppers Holdings Inc. | KOP | BALL M LEROY CEO | 1,862 | $0 | 431,593 (Direct) | View |
| 2024-03-04 Exercise | 2024-03-06 5:59 pm | 2016-03-03 2025-03-03 | Koppers Holdings Inc. | KOP | BALL M LEROY CEO | 11,103 | $0 | 431,593 (Direct) | View |
| 2024-03-04 Exercise | 2024-03-06 5:59 pm | N/A N/A | Koppers Holdings Inc. | KOP | BALL M LEROY CEO | 11,103 | $17.57 | 431,593 (Direct) | View |
| 2024-03-01 Exercise | 2024-03-05 4:50 pm | N/A N/A | Koppers Holdings Inc. | KOP | BALL M LEROY CEO | 92 | $0 | 325,859 (Direct) | View |
| 2024-03-01 Tax Withholding | 2024-03-05 4:50 pm | N/A N/A | Koppers Holdings Inc. | KOP | BALL M LEROY CEO | 2,882 | $52.97 | 325,859 (Direct) | View |
| 2024-01-04 Option Award | 2024-01-08 7:40 pm | N/A N/A | Koppers Holdings Inc. | KOP | BALL M LEROY CEO | 91,530 | $0 | 432,384 (Direct) | View |
| 2024-01-05 Tax Withholding | 2024-01-08 7:40 pm | N/A N/A | Koppers Holdings Inc. | KOP | BALL M LEROY CEO | 25,447 | $47.32 | 432,384 (Direct) | View |
| 2024-01-05 Exercise | 2024-01-08 7:40 pm | N/A N/A | Koppers Holdings Inc. | KOP | BALL M LEROY CEO | 41,896 | $0 | 432,384 (Direct) | View |
| 2023-12-20 Exercise | 2023-12-21 4:12 pm | 2016-03-03 2025-03-03 | Koppers Holdings Inc. | KOP | BALL M LEROY President and CEO | 7,000 | $0 | 358,729 (Direct) | View |
| 2023-12-20 Exercise | 2023-12-21 4:12 pm | N/A N/A | Koppers Holdings Inc. | KOP | BALL M LEROY President and CEO | 7,000 | $17.57 | 358,729 (Direct) | View |
| 2023-12-12 Option Award | 2023-12-14 5:18 pm | N/A N/A | Koppers Holdings Inc. | KOP | BALL M LEROY President and CEO | 499 | $0 | 913 (Direct) | View |
| 2023-12-01 Exercise | 2023-12-04 4:20 pm | 2016-03-03 2025-03-03 | Koppers Holdings Inc. | KOP | BALL M LEROY President and CEO | 13,102 | $0 | 365,729 (Direct) | View |
| 2023-12-01 Exercise | 2023-12-04 4:20 pm | N/A N/A | Koppers Holdings Inc. | KOP | BALL M LEROY President and CEO | 13,102 | $17.57 | 365,729 (Direct) | View |
| 2023-11-14 Exercise | 2023-11-16 4:06 pm | 2016-03-03 2025-03-03 | Koppers Holdings Inc. | KOP | BALL M LEROY President and CEO | 19,167 | $0 | 378,831 (Direct) | View |
| 2023-11-15 Exercise | 2023-11-16 4:06 pm | N/A N/A | Koppers Holdings Inc. | KOP | BALL M LEROY President and CEO | 9,167 | $37.93 | 378,831 (Direct) | View |
| 2023-11-14 Exercise | 2023-11-16 4:06 pm | N/A N/A | Koppers Holdings Inc. | KOP | BALL M LEROY President and CEO | 10,000 | $17.57 | 378,831 (Direct) | View |
| 2023-11-14 Gift | 2023-11-14 4:22 pm | N/A N/A | Koppers Holdings Inc. | KOP | BALL M LEROY President and CEO | 2,500 | $0 | 296,421 (Direct) | View |
| 2023-06-12 Gift | 2023-06-12 4:33 pm | N/A N/A | Koppers Holdings Inc. | KOP | BALL M LEROY President and CEO | 756 | $0 | 300,608 (Direct) | View |
| 2023-05-30 Gift | 2023-06-01 4:27 pm | N/A N/A | Koppers Holdings Inc. | KOP | BALL M LEROY President and CEO | 800 | $0 | 301,364 (Direct) | View |
| 2023-05-16 Option Award | 2023-05-17 1:54 pm | N/A N/A | ATI INC | ATI | BALL M LEROY Director | 3,205 | $0 | 31,138 (Direct) | View |
| 2023-03-03 Tax Withholding | 2023-03-07 5:14 pm | N/A N/A | Koppers Holdings Inc. | KOP | BALL M LEROY President and CEO | 2,852 | $37.55 | 302,529 (Direct) | View |
| 2023-03-03 Exercise | 2023-03-07 5:14 pm | N/A N/A | Koppers Holdings Inc. | KOP | BALL M LEROY President and CEO | 81 | $0 | 302,529 (Direct) | View |
| 2023-03-06 Tax Withholding | 2023-03-07 5:14 pm | N/A N/A | Koppers Holdings Inc. | KOP | BALL M LEROY President and CEO | 1,855 | $35.46 | 302,529 (Direct) | View |