| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 21 May 2021 | 20 May 2021 | 001-11758 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 03 Dec 2020 | 01 Dec 2020 | 001-11758 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 16 Nov 2020 | 12 Nov 2020 | 001-11758 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 06 Oct 2020 | 02 Oct 2020 | 001-11758 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 03 Jun 2020 | 01 Jun 2020 | 001-11758 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 02 Dec 2019 | 01 Dec 2019 | 001-11758 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 04 Jun 2019 | 01 Jun 2019 | 001-11758 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 02 Apr 2019 | 29 Mar 2019 | 001-02360 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 02 Jan 2019 | 31 Dec 2018 | 001-02360 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 04 Dec 2018 | 01 Dec 2018 | 001-11758 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 01 Oct 2018 | 28 Sep 2018 | 001-02360 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 02 Jul 2018 | 29 Jun 2018 | 001-02360 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 29 May 2018 | 24 May 2018 | 001-11758 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 30 Mar 2018 | 29 Mar 2018 | 001-02360 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 02 Jan 2018 | 29 Dec 2017 | 001-02360 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 27 Nov 2017 | 22 Nov 2017 | 001-11758 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 02 Oct 2017 | 29 Sep 2017 | 001-02360 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 05 Jul 2017 | 30 Jun 2017 | 001-02360 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 24 May 2017 | 22 May 2017 | 001-11758 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 03 Apr 2017 | 31 Mar 2017 | 001-02360 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 03 Jan 2017 | 30 Dec 2016 | 001-02360 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 18 Nov 2016 | 17 Nov 2016 | 001-11758 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 03 Oct 2016 | 30 Sep 2016 | 001-02360 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 01 Jul 2016 | 30 Jun 2016 | 001-02360 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 19 May 2016 | 17 May 2016 | 001-11758 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 01 Apr 2016 | 31 Mar 2016 | 001-02360 |
| 3 | Open Document | Open Filing | PRIMARY DOCUMENT | 04 Jan 2016 | 01 Jan 2016 | 001-02360 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 20 Nov 2015 | 19 Nov 2015 | 001-11758 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 21 May 2015 | 19 May 2015 | 001-11758 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 14 Nov 2014 | 13 Nov 2014 | 001-11758 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 15 May 2014 | 13 May 2014 | 001-11758 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 15 Nov 2013 | 14 Nov 2013 | 001-11758 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 16 May 2013 | 14 May 2013 | 001-11758 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 16 Nov 2012 | 15 Nov 2012 | 001-11758 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 17 May 2012 | 15 May 2012 | 001-11758 |