ArrowMark Colorado Holdings LLC 13D and 13G filings for Clean Harbors, Inc.:
- Schedule 13D must be filed within ten days after a person or an organization acquires beneficial ownership of more than 5% of a voting class of a company's equity securities.
- Shares have been adjusted for stock splits.
| Reported DateTime | Transaction Date | Type | Company Symbol | Filed By Symbol | Shares Owned % Owned | Shares Vs. Prev Report | View |
| 2021-02-16 1:29 pm Sale | 2020-12-31 | 13G | Clean Harbors, Inc. CLH | ArrowMark Colorado Holdings LLC | 2,338,706 4.200% | -683,796 (-22.62%) | Filing |