| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 | 11 May 2023 | 09 May 2023 | 001-03970 |
| 4 | Open Document | Open Filing | FORM 4 | 21 Apr 2023 | 19 Apr 2023 | 001-03970 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 11 May 2022 | 09 May 2022 | 001-03970 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 22 Apr 2022 | 20 Apr 2022 | 001-03970 |
| 4 | Open Document | Open Filing | FORM 4 | 12 May 2021 | 10 May 2021 | 001-03970 |
| 4 | Open Document | Open Filing | FORM 4 | 21 Apr 2021 | 20 Apr 2021 | 001-03970 |
| 4 | Open Document | Open Filing | FORM 4 | 18 May 2020 | 15 May 2020 | 001-03970 |
| 4 | Open Document | Open Filing | FORM 4 | 22 Apr 2020 | 21 Apr 2020 | 001-03970 |
| 4 | Open Document | Open Filing | FORM 4 | 13 Mar 2020 | 12 Mar 2020 | 001-03970 |
| 4 | Open Document | Open Filing | FORM 4 | 15 May 2019 | 13 May 2019 | 001-03970 |
| 4 | Open Document | Open Filing | FORM 4 | 25 Apr 2019 | 23 Apr 2019 | 001-03970 |
| 4 | Open Document | Open Filing | FORM 4 | 02 May 2018 | 01 May 2018 | 001-03970 |
| 4 | Open Document | Open Filing | FORM 4 | 05 Mar 2018 | 03 Mar 2018 | 001-03970 |
| 4 | Open Document | Open Filing | FORM 4 | 27 Apr 2017 | 25 Apr 2017 | 001-03970 |
| 4 | Open Document | Open Filing | FORM 4 | 06 Mar 2017 | 03 Mar 2017 | 001-03970 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 09 May 2016 | 06 May 2016 | 001-03970 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 15 Mar 2016 | 14 Mar 2016 | 001-03970 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 18 Feb 2016 | 16 Feb 2016 | 001-03970 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 18 Nov 2015 | 16 Nov 2015 | 001-03970 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 18 Aug 2015 | 17 Aug 2015 | 001-03970 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 19 May 2015 | 15 May 2015 | 001-03970 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 12 May 2015 | 08 May 2015 | 001-03970 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 19 Feb 2015 | 17 Feb 2015 | 001-03970 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 19 Nov 2014 | 17 Nov 2014 | 001-03970 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 19 Aug 2014 | 15 Aug 2014 | 001-03970 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 19 May 2014 | 15 May 2014 | 001-03970 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 13 May 2014 | 09 May 2014 | 001-03970 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 20 Feb 2014 | 18 Feb 2014 | 001-03970 |