CLB
Core Laboratories Inc. /DE/Company with tickers: CLB
CIK
1958086
CUSIP
21867A105
Shares Outstanding
46,096,682
13F Activity (30d)
76 filings
72 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 |
|---|---|---|---|---|
| 2026-03-16 | 408,184 | 356,208 | 764,392 | 37.0% |
| 2026-03-23 | 452,375 | 422,865 | 875,240 | 37.0% |
| 2026-03-30 | 314,982 | 155,080 | 470,062 | 35.7% |
| 2026-04-06 | 328,330 | 216,199 | 544,529 | 49.8% |
| 2026-04-13 | 457,463 | 198,512 | 655,975 | 42.0% |
| 2026-04-20 | 313,608 | 295,278 | 608,886 | 44.7% |
| 2026-04-27 | 641,836 | 611,349 | 1,253,185 | 44.5% |
| 2026-05-04 | 676,850 | 309,588 | 986,438 | 40.0% |
Showing 1–8 of 8 weeks