| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 | 02 Jul 2024 | 28 Jun 2024 | 000-20278 |
| 4 | Open Document | Open Filing | FORM 4 | 17 Jan 2024 | 15 Jan 2024 | 000-20278 |
| 4 | Open Document | Open Filing | FORM 4 | 18 Jan 2023 | 15 Jan 2023 | 000-20278 |
| 4 | Open Document | Open Filing | FORM 4 | 18 Jan 2022 | 15 Jan 2022 | 000-20278 |
| 4 | Open Document | Open Filing | FORM 4 | 19 Jan 2021 | 15 Jan 2021 | 000-20278 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 17 Jan 2020 | 15 Jan 2020 | 000-20278 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 16 Sep 2019 | 12 Sep 2019 | 000-20278 |
| 3 | Open Document | Open Filing | FORM 3 SUBMISSION | 12 Sep 2019 | 03 Sep 2019 | 000-20278 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 10 Nov 2016 | 08 Nov 2016 | 001-10042 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 05 May 2016 | 04 May 2016 | 001-10042 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 03 May 2016 | 30 Apr 2016 | 001-10042 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 06 Nov 2015 | 04 Nov 2015 | 001-10042 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 05 Jun 2015 | 04 Jun 2015 | 001-10042 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 06 May 2015 | 05 May 2015 | 001-10042 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 16 Dec 2014 | 12 Dec 2014 | 001-10042 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 06 Nov 2014 | 04 Nov 2014 | 001-10042 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 08 May 2014 | 06 May 2014 | 001-10042 |