| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4/A | Open Document | Open Filing | FORM 4/A | 04 Apr 2022 | 31 Mar 2022 | 001-13627 |
| 4 | Open Document | Open Filing | FORM 4 | 04 Apr 2022 | 31 Mar 2022 | 001-13627 |
| 4 | Open Document | Open Filing | FORM 4 | 26 Nov 2021 | 26 Nov 2021 | 001-13627 |
| 4 | Open Document | Open Filing | FORM 4 | 14 May 2021 | 13 May 2021 | 001-13627 |
| 4 | Open Document | Open Filing | FORM 4 | 01 Mar 2021 | 26 Feb 2021 | 001-13627 |
| 4 | Open Document | Open Filing | FORM 4 | 22 May 2020 | 21 May 2020 | 001-13627 |
| 4 | Open Document | Open Filing | FORM 4 | 28 Apr 2020 | 28 Apr 2020 | 001-13627 |
| 4 | Open Document | Open Filing | FORM 4 | 01 Mar 2019 | 26 Feb 2019 | 001-13627 |
| 4 | Open Document | Open Filing | FORM 4 | 29 May 2018 | 29 May 2018 | 001-13627 |
| 4 | Open Document | Open Filing | FORM 4 | 18 May 2018 | 17 May 2018 | 001-13627 |
| 4 | Open Document | Open Filing | FORM 4 | 28 Nov 2017 | 28 Nov 2017 | 001-13627 |
| 4 | Open Document | Open Filing | FORM 4 | 23 May 2017 | 23 May 2017 | 001-13627 |
| 4 | Open Document | Open Filing | FORM 4 | 07 Sep 2016 | 06 Sep 2016 | 001-13627 |
| 4 | Open Document | Open Filing | FORM 4 | 20 May 2016 | 19 May 2016 | 001-13627 |
| 4 | Open Document | Open Filing | FORM 4 | 23 Dec 2014 | 19 Dec 2014 | 001-13627 |
| 4 | Open Document | Open Filing | FORM 4 | 16 Dec 2014 | 15 Dec 2014 | 001-13627 |
| 4 | Open Document | Open Filing | FORM 4 | 15 Sep 2014 | 15 Sep 2014 | 001-13627 |
| 4 | Open Document | Open Filing | FORM 4 | 03 Jun 2014 | 02 Jun 2014 | 001-13627 |
| 4/A | Open Document | Open Filing | 4/A | 10 Jan 2014 | 19 Dec 2013 | 001-13627 |