| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES | 20 Jan 2023 | 18 Jan 2023 | 000-21180 |
| 4 | Open Document | Open Filing | STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES | 24 Jan 2022 | 20 Jan 2022 | 000-21180 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 25 Jan 2021 | 22 Jan 2021 | 000-21180 |
| 5 | Open Document | Open Filing | PRIMARY DOCUMENT | 27 Aug 2020 | 31 Jul 2020 | 000-21180 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 27 Jan 2020 | 23 Jan 2020 | 000-21180 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 25 Jan 2019 | 24 Jan 2019 | 000-21180 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 22 Jan 2019 | 18 Jan 2019 | 000-21180 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 02 Nov 2018 | 01 Nov 2018 | 000-21180 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 30 Jul 2018 | 27 Jul 2018 | 000-21180 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 08 May 2018 | 04 May 2018 | 000-21180 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 22 Jan 2018 | 18 Jan 2018 | 000-21180 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 28 Apr 2017 | 27 Apr 2017 | 000-21180 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 23 Jan 2017 | 20 Jan 2017 | 000-21180 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 09 Dec 2016 | 07 Dec 2016 | 001-35168 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 17 Nov 2016 | 16 Nov 2016 | 001-35168 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 17 Aug 2016 | 16 Aug 2016 | 001-35168 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 19 May 2016 | 17 May 2016 | 001-35168 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 18 Feb 2016 | 11 Feb 2016 | 001-35168 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 26 Jan 2016 | 22 Jan 2016 | 000-21180 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 07 Jan 2016 | 06 Jan 2016 | 001-35168 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 16 Dec 2015 | 15 Dec 2015 | 001-35168 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 02 Dec 2015 | 01 Dec 2015 | 001-35168 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 18 Nov 2015 | 16 Nov 2015 | 001-35168 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 03 Nov 2015 | 02 Nov 2015 | 001-35168 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 02 Nov 2015 | 30 Oct 2015 | 001-35168 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 19 Aug 2015 | 18 Aug 2015 | 001-35168 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 21 Jul 2015 | 20 Jul 2015 | 001-35168 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 20 May 2015 | 18 May 2015 | 001-35168 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 21 Apr 2015 | 20 Apr 2015 | 001-35168 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 17 Apr 2015 | 16 Apr 2015 | 001-35168 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 13 Apr 2015 | 10 Apr 2015 | 001-35168 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 02 Apr 2015 | 01 Apr 2015 | 001-35168 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 17 Mar 2015 | 16 Mar 2015 | 001-35168 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 03 Mar 2015 | 27 Feb 2015 | 001-35168 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 19 Feb 2015 | 17 Feb 2015 | 001-35168 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 09 Feb 2015 | 06 Feb 2015 | 001-35168 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 04 Feb 2015 | 03 Feb 2015 | 001-35168 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 26 Jan 2015 | 23 Jan 2015 | 000-21180 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 26 Jan 2015 | 23 Jan 2015 | 001-35168 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 05 Jan 2015 | 02 Jan 2015 | 001-35168 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 18 Dec 2014 | 18 Dec 2014 | 001-35168 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 19 Nov 2014 | 17 Nov 2014 | 001-35168 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 04 Nov 2014 | 04 Nov 2014 | 001-35168 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 21 Oct 2014 | 07 Oct 2014 | 001-35168 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 08 Oct 2014 | 07 Oct 2014 | 001-35168 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 16 Sep 2014 | 15 Sep 2014 | 001-35168 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 03 Sep 2014 | 02 Sep 2014 | 001-35168 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 19 Aug 2014 | 18 Aug 2014 | 001-35168 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 06 Aug 2014 | 04 Aug 2014 | 001-35168 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 04 Aug 2014 | 01 Aug 2014 | 001-35168 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 24 Jul 2014 | 24 Jul 2014 | 001-35168 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 07 Jul 2014 | 03 Jul 2014 | 001-35168 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 19 May 2014 | 16 May 2014 | 001-35168 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 17 Apr 2014 | 17 Apr 2014 | 001-35168 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 03 Apr 2014 | 01 Apr 2014 | 001-35168 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 18 Mar 2014 | 17 Mar 2014 | 001-35168 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 04 Mar 2014 | 28 Feb 2014 | 001-35168 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 20 Feb 2014 | 18 Feb 2014 | 001-35168 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 05 Feb 2014 | 04 Feb 2014 | 001-35168 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 27 Jan 2014 | 24 Jan 2014 | 000-21180 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 14 Jan 2014 | 13 Jan 2014 | 001-35168 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 06 Jan 2014 | 02 Jan 2014 | 001-35168 |