| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 11 Jun 2021 | 17 Mar 2021 | 001-33637 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 17 Apr 2020 | 23 Mar 2020 | 001-33637 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 22 Mar 2019 | 22 Mar 2019 | 001-33637 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 23 Mar 2018 | 23 Mar 2018 | 001-33637 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 02 Jun 2017 | 31 May 2017 | 001-33637 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 07 Apr 2017 | 07 Apr 2017 | 001-33637 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 08 Apr 2016 | 06 Apr 2016 | 001-33637 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 01 May 2015 | 28 Apr 2015 | 001-33637 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 27 Mar 2015 | 27 Mar 2015 | 001-33637 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 21 Mar 2014 | 21 Mar 2014 | 001-33637 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 27 Mar 2013 | 26 Mar 2013 | 001-33637 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 24 May 2012 | 22 May 2012 | 001-33637 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 19 Mar 2012 | 16 Mar 2012 | 001-33637 |