| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 10 Jan 2023 | 06 Jan 2023 | 001-08597 |
| 5 | Open Document | Open Filing | PRIMARY DOCUMENT | 14 Dec 2022 | 31 Oct 2022 | 001-08597 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 04 Apr 2022 | 01 Apr 2022 | 001-08597 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 06 Jul 2021 | 02 Jul 2021 | 001-08597 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 05 Apr 2021 | 01 Apr 2021 | 001-08597 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 17 Sep 2020 | 16 Sep 2020 | 001-08597 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 08 Jun 2020 | 21 May 2020 | 001-08597 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 03 Apr 2020 | 01 Apr 2020 | 001-08597 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 07 Jan 2020 | 06 Jan 2020 | 001-08597 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 26 Jun 2019 | 24 Jun 2019 | 001-08597 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 23 May 2019 | 21 May 2019 | 001-08597 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 23 May 2019 | 21 May 2019 | 001-08597 |
| 4/A | Open Document | Open Filing | PRIMARY DOCUMENT | 23 May 2019 | 01 Apr 2019 | 001-08597 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 02 Apr 2019 | 01 Apr 2019 | 001-08597 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 12 Mar 2019 | 09 Jan 2019 | 001-08597 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 11 Dec 2018 | 28 Nov 2018 | 001-08597 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 16 Nov 2018 | 15 Nov 2018 | 001-08597 |
| 4 | Open Document | Open Filing | FORM 4 | 12 Jun 2018 | 08 Jun 2018 | 000-19756 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 14 Dec 2017 | 05 Dec 2017 | 001-08597 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 16 Nov 2017 | 15 Nov 2016 | 001-08597 |
| 4 | Open Document | Open Filing | FORM 4 | 12 Jun 2017 | 09 Jun 2017 | 000-19756 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 15 Mar 2017 | 14 Mar 2017 | 001-08597 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 08 Mar 2017 | 07 Mar 2017 | 001-08597 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 22 Jun 2016 | 21 Jun 2016 | 001-08597 |
| 4 | Open Document | Open Filing | FORM 4 | 03 Jun 2016 | 02 Jun 2016 | 000-19756 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 01 Dec 2015 | 30 Nov 2015 | 001-08597 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 03 Nov 2015 | 02 Nov 2015 | 001-08597 |
| 4 | Open Document | Open Filing | FORM 4 | 29 May 2015 | 28 May 2015 | 000-19756 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 05 Jan 2015 | 02 Jan 2015 | 001-08597 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 04 Nov 2014 | 03 Nov 2014 | 001-08597 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 10 Sep 2014 | 09 Sep 2014 | 001-08597 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 08 Aug 2014 | 25 Jul 2014 | 001-08597 |
| 4 | Open Document | Open Filing | FORM 4 | 30 May 2014 | 28 May 2014 | 000-19756 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 07 Jan 2014 | 06 Jan 2014 | 001-08597 |