| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 | 09 May 2022 | 05 May 2022 | 001-01023 |
| 4 | Open Document | Open Filing | FORM 4 | 05 Jan 2022 | 03 Jan 2022 | 001-01023 |
| 4 | Open Document | Open Filing | FORM 4 | 06 Jan 2021 | 04 Jan 2021 | 001-01023 |
| 4 | Open Document | Open Filing | FORM 4 | 06 Jan 2020 | 02 Jan 2020 | 001-01023 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 06 Jan 2020 | 02 Jan 2020 | 001-04224 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 30 Aug 2019 | 28 Aug 2019 | 001-04224 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 16 Aug 2019 | 14 Aug 2019 | 001-04224 |
| 3 | Open Document | Open Filing | FORM 3 | 25 Mar 2019 | 15 Mar 2019 | 001-01023 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 04 Jan 2019 | 02 Jan 2019 | 001-04224 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 30 Aug 2018 | 28 Aug 2018 | 001-04224 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 04 Jan 2018 | 02 Jan 2018 | 001-04224 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 12 Dec 2017 | 08 Dec 2017 | 001-04224 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 14 Aug 2017 | 10 Aug 2017 | 001-04224 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 12 Jan 2017 | 11 Jan 2017 | 001-04224 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 03 Jan 2017 | 01 Jan 2017 | 001-04224 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 11 Jul 2016 | 11 Jul 2016 | 001-04224 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 06 Jan 2016 | 04 Jan 2016 | 001-04224 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 21 Jan 2015 | 16 Jan 2015 | 001-36261 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 06 Jan 2015 | 02 Jan 2015 | 001-04224 |
| 3/A | Open Document | Open Filing | FORM 3/A | 11 Jul 2014 | 16 Jan 2014 | 001-36261 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 12 May 2014 | 09 May 2014 | 001-04224 |
| 3 | Open Document | Open Filing | PRIMARY DOCUMENT | 12 May 2014 | 09 May 2014 | 001-04224 |
| 4 | Open Document | Open Filing | FORM 4 | 23 Jan 2014 | 23 Jan 2014 | 001-36261 |
| 3 | Open Document | Open Filing | FORM 3 | 17 Jan 2014 | 16 Jan 2014 | 001-36261 |