| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | 12 Jun 2023 | 08 Jun 2023 | 001-12107 | |
| 4 | Open Document | Open Filing | 24 Mar 2023 | 30 Jan 2023 | 001-12107 | |
| 4 | Open Document | Open Filing | 07 Mar 2023 | 03 Mar 2023 | 001-12107 | |
| 4 | Open Document | Open Filing | 28 Nov 2022 | 23 Nov 2022 | 001-12107 | |
| 4/A | Open Document | Open Filing | 17 Jun 2022 | 08 Jun 2022 | 001-12107 | |
| 4 | Open Document | Open Filing | 10 Jun 2022 | 08 Jun 2022 | 001-12107 | |
| 4 | Open Document | Open Filing | 11 Jun 2021 | 20 May 2021 | 001-12107 | |
| 4 | Open Document | Open Filing | 22 May 2020 | 20 May 2020 | 001-12107 | |
| 4 | Open Document | Open Filing | 4 | 22 Nov 2019 | 20 Nov 2019 | 000-19658 |
| 4 | Open Document | Open Filing | 4 | 03 Sep 2019 | 29 Aug 2019 | 000-19658 |
| 4 | Open Document | Open Filing | 14 Jun 2019 | 12 Jun 2019 | 001-12107 | |
| 4 | Open Document | Open Filing | 4 | 03 Dec 2018 | 29 Nov 2018 | 000-19658 |
| 4 | Open Document | Open Filing | 18 Jun 2018 | 14 Jun 2018 | 001-12107 | |
| 4 | Open Document | Open Filing | 27 Feb 2018 | 23 Feb 2018 | 001-12107 | |
| 4/A | Open Document | Open Filing | 4/A | 08 Dec 2017 | 15 Nov 2017 | 000-19658 |
| 4 | Open Document | Open Filing | 4 | 17 Nov 2017 | 15 Nov 2017 | 000-19658 |
| 4 | Open Document | Open Filing | 15 Jun 2017 | 15 Jun 2017 | 001-12107 | |
| 4 | Open Document | Open Filing | 4 | 12 May 2017 | 10 May 2017 | 000-19658 |
| 4 | Open Document | Open Filing | 4 | 18 Nov 2016 | 16 Nov 2016 | 000-19658 |
| 4 | Open Document | Open Filing | 4 | 01 Nov 2016 | 31 Oct 2016 | 000-19658 |
| 4 | Open Document | Open Filing | 20 Jun 2016 | 16 Jun 2016 | 001-12107 | |
| 4 | Open Document | Open Filing | 4 | 04 Feb 2016 | 02 Feb 2016 | 000-19658 |
| 4 | Open Document | Open Filing | 4 | 16 Nov 2015 | 13 Nov 2015 | 000-19658 |
| 4 | Open Document | Open Filing | 22 Jun 2015 | 18 Jun 2015 | 001-12107 | |
| 4 | Open Document | Open Filing | 23 Mar 2015 | 23 Mar 2015 | 001-12107 | |
| 4 | Open Document | Open Filing | 09 Mar 2015 | 05 Mar 2015 | 001-12107 | |
| 4 | Open Document | Open Filing | 4 | 13 Nov 2014 | 11 Nov 2014 | 000-19658 |
| 4 | Open Document | Open Filing | 23 Jun 2014 | 19 Jun 2014 | 001-12107 | |
| 4 | Open Document | Open Filing | FORM 4 | 02 Jun 2014 | 29 May 2014 | 001-04129 |
| 4 | Open Document | Open Filing | 4 | 16 May 2014 | 15 May 2014 | 000-19658 |
| 4 | Open Document | Open Filing | 26 Feb 2014 | 24 Feb 2014 | 001-12107 | |
| 3 | Open Document | Open Filing | 03 Feb 2014 | 27 Jan 2014 | 001-12107 | |
| 4 | Open Document | Open Filing | FORM 4 | 03 Jan 2014 | 31 Dec 2013 | 001-04129 |