| SC 13G/A | 2022-03-08 | Clarkston Capital Partners, LLC | US Ecology, Inc. | 0 | 0.0% | EDGAR |
| SC 13D | 2022-02-16 | Magnetar Financial LLC | US Ecology, Inc. | 2,060,731 | 6.6% | EDGAR |
| SC 13G | 2022-02-14 | THRIVENT FINANCIAL FOR LUTHERANS | US Ecology, Inc. | 1,989,914 | 6.3% | EDGAR |
| SC 13G/A | 2022-02-10 | VANGUARD GROUP INC | US Ecology, Inc. | 2,023,122 | 6.4% | EDGAR |
| SC 13G | 2022-02-10 | Clarkston Capital Partners, LLC | US Ecology, Inc. | 3,152,809 | 10.0% | EDGAR |
| SC 13G | 2022-02-10 | Clarkston Capital Partners, LLC | US Ecology, Inc. | 3,152,809 | 10.0% | EDGAR |
| SC 13G | 2022-02-04 | WELLINGTON MANAGEMENT GROUP LLP | US Ecology, Inc. | 1,834,267 | 5.8% | EDGAR |
| SC 13G/A | 2022-01-27 | BlackRock Inc. | US Ecology, Inc. | 5,000,774 | 15.9% | EDGAR |
| SC 13G/A | 2022-01-26 | BlackRock Inc. | US Ecology, Inc. | 5,000,774 | 15.9% | EDGAR |
| SC 13G/A | 2021-02-10 | VANGUARD GROUP INC | US Ecology, Inc. | 1,965,326 | 6.2% | EDGAR |
| SC 13G | 2021-01-25 | BlackRock Inc. | US Ecology, Inc. | 4,833,831 | 15.3% | EDGAR |
| SC 13G/A | 2020-05-13 | JFL-NRC-SES Partners, LLC | US Ecology, Inc. | 0 | 0.0% | EDGAR |
| SC 13G/A | 2020-03-05 | JFL-NRC-SES Partners, LLC | US Ecology, Inc. | 1,504,073 | 4.8% | EDGAR |
| SC 13G/A | 2020-02-14 | SILVERCREST ASSET MANAGEMENT GROUP LLC | US Ecology, Inc. | 1,171,454 | - | EDGAR |
| SC 13G/A | 2020-02-12 | JFL-NRC-SES Partners, LLC | US Ecology, Inc. | 3,008,145 | 9.6% | EDGAR |
| SC 13G | 2020-02-11 | VANGUARD GROUP INC | US Ecology, Inc. | 1,584,778 | 5.4% | EDGAR |
| SC 13G | 2020-02-04 | BlackRock Inc. | US Ecology, Inc. | 3,812,903 | 12.1% | EDGAR |
| SC 13G | 2019-11-12 | JFL-NRC-SES Partners, LLC | US Ecology, Inc. | 4,512,218 | 14.4% | EDGAR |