| Form type | Sec Links | Description | Filing date | Reporting date |
|---|---|---|---|---|
| SC 13G/A | Report | SCHEDULE 13G | Feb 14, 2024 | |
| SC 13G/A | Report | SCHEDULE 13G/A | Feb 13, 2024 | |
| SC 13G/A | Report | SEC SCHEDULE 13G | Feb 8, 2024 | |
| SC 13G/A | Report | Jan 25, 2024 | ||
| SC 13G/A | Report | SCHEDULE 13G/A | Feb 9, 2023 | |
| SC 13G/A | Report | SEC SCHEDULE 13G | Feb 6, 2023 | |
| SC 13G/A | Report | Feb 3, 2023 | ||
| SC 13G/A | Report | SCHEDULE 13G/A | Feb 9, 2022 | |
| SC 13G/A | Report | SEC SCHEDULE 13G | Feb 4, 2022 | |
| SC 13G/A | Report | Feb 1, 2022 | ||
| SC 13G/A | Report | SCHEDULE 13G HOLDINGS REPORT AMENDMENT | Feb 16, 2021 | |
| SC 13G/A | Report | SCHEDULE 13G/A | Feb 10, 2021 | |
| SC 13G/A | Report | SEC SCHEDULE 13G | Feb 4, 2021 | |
| SC 13G/A | Report | Jan 29, 2021 | ||
| SC 13G/A | Report | SCHEDULE 13G HOLDINGS REPORT AMENDMENT | Feb 14, 2020 | |
| SC 13G/A | Report | SCHEDULE 13G/A | Feb 12, 2020 | |
| SC 13G/A | Report | Feb 5, 2020 | ||
| SC 13G/A | Report | SEC SCHEDULE 13G | Jan 28, 2020 | |
| SC 13G | Report | SCHEDULE 13G | Feb 14, 2019 | |
| SC 13G | Report | Feb 14, 2019 | ||
| SC 13G/A | Report | SEC SCHEDULE 13G | Feb 12, 2019 | |
| SC 13G/A | Report | Feb 11, 2019 | ||
| SC 13G/A | Report | Feb 4, 2019 | ||
| SC 13G | Report | SCHEDULE 13G | Feb 14, 2018 | |
| SC 13G/A | Report | Feb 9, 2018 | ||
| SC 13G/A | Report | SEC SCHEDULE 13G | Feb 8, 2018 | |
| SC 13G/A | Report | Jan 29, 2018 | ||
| SC 13G | Report | SCHEDULE 13G | Feb 14, 2017 | |
| SC 13G/A | Report | Feb 10, 2017 | ||
| SC 13G/A | Report | SEC SCHEDULE 13G | Feb 9, 2017 | |
| SC 13G/A | Report | Jan 23, 2017 | ||
| SC 13G | Report | SCHEDULE 13G | Feb 12, 2016 | |
| SC 13G/A | Report | SEC SCHEDULE 13G | Feb 11, 2016 | |
| SC 13G/A | Report | Feb 11, 2016 | ||
| SC 13G/A | Report | Feb 10, 2016 | ||
| SC 13G/A | Report | SEC SCHEDULE 13G | Dec 10, 2015 | |
| SC 13G | Report | SCHEDULE 13G | Feb 13, 2015 | |
| SC 13G/A | Report | SEC SCHEDULE 13G | Feb 12, 2015 | |
| SC 13G/A | Report | SC 13G/A | Feb 11, 2015 | |
| SC 13G/A | Report | Feb 11, 2015 | ||
| SC 13G/A | Report | Feb 9, 2015 | ||
| SC 13G | Report | DISCLOSURE DOCUMENT | Feb 14, 2014 | |
| SC 13G/A | Report | CLH AS OF 12/31/2013 | Feb 12, 2014 | |
| SC 13G/A | Report | Feb 12, 2014 | ||
| SC 13G/A | Report | SCHEDULE 13G AMENDMENT NO. 1 | Feb 10, 2014 | |
| SC 13G/A | Report | DISCLOSURE DOCUMENT | Feb 10, 2014 | |
| SC 13G | Report | Jan 28, 2014 | ||
| SC 13G/A | Report | Oct 25, 2013 | ||
| SC 13G/A | Report | Jul 10, 2013 | ||
| SC 13G | Report | Jul 5, 2013 | ||
| SC 13G | Report | Feb 12, 2013 | ||
| SC 13G | Report | SCHEDULE 13G | Feb 11, 2013 | |
| SC 13G/A | Report | CLH AS OF 12/31/12 | Feb 7, 2013 | |
| SC 13G/A | Report | Jul 11, 2012 | ||
| SC 13G/A | Report | CLH AS OF 05/31/2012 | Jun 8, 2012 | |
| SC 13G/A | Report | Feb 13, 2012 | ||
| SC 13G | Report | CLH AS OF 12/31/2011 | Feb 10, 2012 | |
| SC 13G/A | Report | DOC ONE | Feb 14, 2011 | |
| SC 13G/A | Report | Feb 14, 2011 | ||
| SC 13G/A | Report | Feb 3, 2011 | ||
| SC 13G | Report | DOC ONE | Feb 16, 2010 | |
| SC 13G | Report | Feb 12, 2010 | ||
| SC 13G | Report | Jan 29, 2010 |