| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) | 
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Aug 10, 2021 | Aug 6, 2021 | 001-15103 | 
| 4 | Open Document | Open Filing | FORM 4 | Jun 15, 2021 | Jun 15, 2021 | 001-33876 | 
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Mar 16, 2021 | Mar 12, 2021 | 001-15103 | 
| 4 | Open Document | Open Filing | FORM 4 | Nov 16, 2020 | Nov 12, 2020 | 001-33876 | 
| 3 | Open Document | Open Filing | FORM 3 | Nov 16, 2020 | Nov 12, 2020 | 001-33876 | 
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Mar 31, 2020 | Mar 27, 2020 | 001-15103 | 
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Mar 19, 2019 | Mar 15, 2019 | 001-15103 | 
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jun 19, 2018 | Jun 15, 2018 | 001-15103 | 
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Mar 20, 2018 | Mar 16, 2018 | 001-15103 | 
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Mar 20, 2017 | Mar 16, 2017 | 001-15103 | 
| 5 | Open Document | Open Filing | FORM 5 SUBMISSION | Feb 13, 2017 | Dec 31, 2016 | 001-15103 | 
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Nov 3, 2016 | Nov 2, 2016 | 001-15103 | 
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | May 2, 2016 | May 2, 2016 | 001-15103 | 
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Mar 7, 2016 | Mar 3, 2016 | 001-15103 | 
| 5 | Open Document | Open Filing | FORM 5 SUBMISSION | Feb 12, 2016 | Dec 31, 2015 | 001-15103 | 
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Mar 5, 2015 | Mar 3, 2015 | 001-15103 | 
| 5 | Open Document | Open Filing | FORM 5 SUBMISSION | Feb 13, 2015 | Dec 31, 2014 | 001-15103 | 
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Mar 11, 2014 | Mar 7, 2014 | 001-15103 | 
| 5 | Open Document | Open Filing | FORM 5 SUBMISSION | Feb 13, 2014 | Dec 31, 2013 | 001-15103 |