| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 | 12 May 2021 | 10 May 2021 | 001-33383 |
| 4 | Open Document | Open Filing | FORM 4 | 24 Nov 2020 | 20 Nov 2020 | 001-33383 |
| 4 | Open Document | Open Filing | FORM 4 | 28 Aug 2020 | 27 Aug 2020 | 001-33383 |
| 4 | Open Document | Open Filing | FORM 4 | 27 Aug 2020 | 25 Aug 2020 | 001-33383 |
| 4 | Open Document | Open Filing | FORM 4 | 25 Aug 2020 | 21 Aug 2020 | 001-33383 |
| 4 | Open Document | Open Filing | FORM 4 | 22 May 2020 | 20 May 2020 | 001-33383 |
| 4 | Open Document | Open Filing | FORM 4 | 20 May 2020 | 18 May 2020 | 001-33383 |
| 4 | Open Document | Open Filing | FORM 4 | 31 Mar 2020 | 27 Mar 2020 | 001-33383 |
| 4 | Open Document | Open Filing | FORM 4 | 18 Feb 2020 | 13 Feb 2020 | 001-33383 |
| 4 | Open Document | Open Filing | FORM 4 | 23 Jan 2020 | 21 Jan 2020 | 001-33383 |
| 4/A | Open Document | Open Filing | PRIMARY DOCUMENT | 24 Aug 2017 | 14 Feb 2013 | 001-33383 |
| 4/A | Open Document | Open Filing | PRIMARY DOCUMENT | 24 Aug 2017 | 17 Aug 2017 | 001-33383 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 21 Aug 2017 | 17 Aug 2017 | 001-33383 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 23 May 2017 | 19 May 2017 | 001-33383 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 03 Mar 2017 | 01 Mar 2017 | 001-33383 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 21 Feb 2017 | 17 Feb 2017 | 001-33383 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 15 Nov 2016 | 14 Nov 2016 | 001-33383 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 25 May 2016 | 23 May 2016 | 001-33383 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 10 Mar 2016 | 08 Mar 2016 | 001-33383 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 29 Feb 2016 | 25 Feb 2016 | 001-33383 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 09 Feb 2016 | 05 Feb 2016 | 001-33383 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 20 May 2015 | 18 May 2015 | 001-33383 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 19 Feb 2015 | 17 Feb 2015 | 001-33383 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 13 Feb 2015 | 11 Feb 2015 | 001-33383 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 10 Nov 2014 | 06 Nov 2014 | 001-33383 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 06 Nov 2014 | 05 Nov 2014 | 001-33383 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 22 Aug 2014 | 20 Aug 2014 | 001-33383 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 13 May 2014 | 12 May 2014 | 001-33383 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 09 May 2014 | 08 May 2014 | 001-33383 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 24 Feb 2014 | 13 Feb 2014 | 001-33383 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 07 Feb 2014 | 07 Feb 2014 | 001-33383 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 05 Feb 2014 | 03 Feb 2014 | 001-33383 |