| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 | 07 Sep 2021 | 02 Sep 2021 | 001-33664 |
| 4 | Open Document | Open Filing | FORM 4 | 21 Jun 2021 | 17 Jun 2021 | 001-33664 |
| 4 | Open Document | Open Filing | FORM 4 | 28 Dec 2020 | 23 Dec 2020 | 001-33664 |
| 4 | Open Document | Open Filing | FORM 4 | 14 Sep 2020 | 10 Sep 2020 | 001-33664 |
| 4 | Open Document | Open Filing | FORM 4 | 04 Sep 2020 | 02 Sep 2020 | 001-33664 |
| 4 | Open Document | Open Filing | FORM 4 | 04 Aug 2020 | 31 Jul 2020 | 001-33664 |
| 4 | Open Document | Open Filing | FORM 4 | 26 Jun 2020 | 24 Jun 2020 | 001-33664 |
| 4 | Open Document | Open Filing | FORM 4 | 19 Jun 2020 | 17 Jun 2020 | 001-33664 |
| 4 | Open Document | Open Filing | FORM 4 | 08 May 2020 | 06 May 2020 | 001-33664 |
| 4 | Open Document | Open Filing | FORM 4 | 02 Mar 2020 | 27 Feb 2020 | 001-33664 |
| 4 | Open Document | Open Filing | FORM 4 | 25 Feb 2020 | 21 Feb 2020 | 001-33664 |
| 4 | Open Document | Open Filing | FORM 4 | 07 Feb 2020 | 06 Feb 2020 | 001-33664 |
| 4 | Open Document | Open Filing | FORM 4 | 23 Dec 2019 | 20 Dec 2019 | 001-33664 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 11 Feb 2019 | 07 Feb 2019 | 001-33664 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 17 Jan 2019 | 15 Jan 2019 | 001-33664 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 02 Nov 2018 | 31 Oct 2018 | 001-33664 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 17 Jan 2018 | 15 Jan 2018 | 001-33664 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 18 Jan 2017 | 15 Jan 2017 | 001-33664 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 13 Sep 2016 | 16 Aug 2016 | 001-33664 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 27 Jul 2016 | 25 Jul 2016 | 001-33664 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 06 Jul 2016 | 01 Jul 2016 | 001-33664 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 21 Jun 2016 | 17 Jun 2016 | 001-33664 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 03 May 2016 | 30 Apr 2016 | 001-33664 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 20 Jan 2016 | 15 Jan 2016 | 001-33664 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 04 May 2015 | 30 Apr 2015 | 001-33664 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 20 Jan 2015 | 15 Jan 2015 | 001-33664 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 07 May 2014 | 05 May 2014 | 001-33664 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 02 May 2014 | 30 Apr 2014 | 001-33664 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 17 Jan 2014 | 15 Jan 2014 | 001-33664 |