| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) | 
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 | Feb 28, 2024 | Feb 27, 2024 | 000-52607 | 
| 4 | Open Document | Open Filing | FORM 4 | Apr 27, 2023 | Apr 20, 2023 | 000-52607 | 
| 4 | Open Document | Open Filing | FORM 4 | Jan 3, 2023 | Jan 1, 2023 | 000-52607 | 
| 4 | Open Document | Open Filing | FORM 4 | May 27, 2022 | May 27, 2022 | 000-52607 | 
| 4 | Open Document | Open Filing | FORM 4 | Feb 28, 2022 | Feb 24, 2022 | 000-52607 | 
| 4 | Open Document | Open Filing | FORM 4 | Sep 14, 2021 | Aug 19, 2021 | 000-52607 | 
| 4 | Open Document | Open Filing | FORM 4 | Dec 23, 2020 | Dec 11, 2020 | 000-52607 | 
| 4 | Open Document | Open Filing | FORM 4 | Sep 9, 2020 | Sep 1, 2020 | 000-52607 | 
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Nov 25, 2019 | Nov 12, 2019 | 000-52607 | 
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jul 9, 2019 | May 29, 2019 | 000-52607 | 
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jan 14, 2019 | Nov 16, 2018 | 000-52607 | 
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Oct 26, 2017 | Oct 24, 2017 | 000-52607 | 
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Mar 27, 2017 | Oct 5, 2016 | 000-52607 | 
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jan 3, 2017 | Dec 29, 2016 | 000-52607 | 
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Feb 26, 2016 | Feb 17, 2016 | 000-52607 | 
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Feb 3, 2015 | Jan 30, 2015 | 000-52607 | 
| 4 | Open Document | Open Filing | FORM 4 | Jan 6, 2014 | Dec 12, 2013 | 000-52607 |