KOP
Koppers Holdings Inc.Company with tickers: KOP
CIK
1315257
CUSIP
50060P106
Shares Outstanding
19,231,826
Website
https://www.koppers.com
13F Activity (30d)
50 filings
47 filers
Weekly off-exchange (dark pool / OTC) trading volume reported to FINRA under its OTC/ATS Transparency data. ATS volume is executed on alternating trading systems (dark pools); non-ATS OTC is other over-the-counter dealer volume. The off-exchange share is total off-exchange volume as a percentage of consolidated weekly trading volume for the same Monday–Friday week.
Off-Exchange Volume History
| Week Start | ATS Volume | Non-ATS OTC Volume | Total Off-Exchange | % of FINRA Weekly Volume |
|---|---|---|---|---|
| 2026-05-04 | 240,263 | 111,535 | 351,798 | 45.5% |
| 2026-04-27 | 165,024 | 100,505 | 265,529 | 47.3% |
| 2026-04-20 | 97,742 | 72,390 | 170,132 | 35.1% |
| 2026-04-13 | 134,069 | 45,922 | 179,991 | 35.5% |
| 2026-04-06 | 241,497 | 59,297 | 300,794 | 39.5% |
| 2026-03-30 | 237,760 | 71,329 | 309,089 | 52.9% |
| 2026-03-23 | 217,064 | 110,545 | 327,609 | 33.6% |
| 2026-03-16 | 315,949 | 170,679 | 486,628 | 20.6% |
| 2026-03-09 | 358,095 | 100,051 | 458,146 | 29.3% |
| 2026-03-02 | 369,997 | 151,349 | 521,346 | 35.6% |
| 2026-02-23 | 221,519 | 97,965 | 319,484 | 34.9% |
| 2026-02-16 | 154,945 | 70,708 | 225,653 | 35.7% |
| 2026-02-09 | 179,280 | 121,358 | 300,638 | 34.3% |
| 2026-02-02 | 171,084 | 101,265 | 272,349 | 32.2% |
| 2026-01-26 | 108,683 | 70,025 | 178,708 | 31.2% |
| 2026-01-19 | 111,814 | 44,966 | 156,780 | 34.1% |
| 2026-01-12 | 132,147 | 113,910 | 246,057 | 38.6% |
| 2026-01-05 | 214,888 | 61,171 | 276,059 | 35.4% |
| 2025-12-29 | 114,747 | 57,154 | 171,901 | 34.7% |
| 2025-12-22 | 110,331 | 44,751 | 155,082 | 35.5% |
| 2025-12-15 | 181,991 | 126,490 | 308,481 | 33.7% |
| 2025-12-08 | 167,954 | 124,932 | 292,886 | 37.9% |
| 2025-12-01 | 136,935 | 73,711 | 210,646 | 38.2% |
| 2025-11-24 | 148,147 | 81,270 | 229,417 | 35.2% |
| 2025-11-17 | 174,809 | 64,898 | 239,707 | 30.2% |
| 2025-11-10 | 274,833 | 69,261 | 344,094 | 34.0% |
| 2025-11-03 | 231,518 | 101,016 | 332,534 | 37.8% |
| 2025-10-27 | 267,574 | 54,085 | 321,659 | 38.5% |
| 2025-10-20 | 158,467 | 67,329 | 225,796 | 37.1% |
| 2025-10-13 | 165,113 | 56,566 | 221,679 | 37.5% |
| 2025-10-06 | 242,197 | 69,347 | 311,544 | 38.2% |
| 2025-09-29 | 134,297 | 76,075 | 210,372 | 30.3% |
| 2025-09-22 | 131,550 | 80,867 | 212,417 | 26.0% |
| 2025-09-15 | 193,120 | 81,217 | 274,337 | 19.9% |
| 2025-09-08 | 237,633 | 59,322 | 296,955 | 33.6% |
| 2025-09-01 | 195,663 | 52,965 | 248,628 | 36.6% |
| 2025-08-25 | 173,148 | 66,371 | 239,519 | 34.0% |
| 2025-08-18 | 266,987 | 69,738 | 336,725 | 39.3% |
| 2025-08-11 | 287,261 | 71,427 | 358,688 | 31.6% |
| 2025-08-04 | 181,267 | 89,650 | 270,917 | 35.1% |
| 2025-07-28 | 133,895 | 39,584 | 173,479 | 31.7% |
| 2025-07-21 | 165,173 | 47,474 | 212,647 | 35.3% |
| 2025-07-14 | 105,217 | 87,656 | 192,873 | 30.7% |
| 2025-07-07 | 177,498 | 98,892 | 276,390 | 38.0% |
| 2025-06-30 | 128,146 | 48,679 | 176,825 | 34.8% |
| 2025-06-23 | 168,928 | 68,815 | 237,743 | 33.0% |
| 2025-06-16 | 84,404 | 46,316 | 130,720 | 26.9% |
Showing 1–47 of 47 weeks