| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 | 25 May 2022 | 24 May 2022 | 001-05005 |
| 4 | Open Document | Open Filing | FORM 4 | 05 May 2021 | 04 May 2021 | 001-05005 |
| 4 | Open Document | Open Filing | FORM 4 | 23 Mar 2021 | 19 Mar 2021 | 001-05005 |
| 3 | Open Document | Open Filing | FORM 3 | 23 Mar 2021 | 19 Mar 2021 | 001-05005 |
| 4 | Open Document | Open Filing | FORM 4 - | 05 Jun 2017 | 01 Jun 2017 | 000-07647 |
| 4 | Open Document | Open Filing | FORM 4 - | 03 Apr 2017 | 30 Mar 2017 | 000-07647 |
| 4 | Open Document | Open Filing | FORM 4 - | 22 Feb 2017 | 17 Feb 2017 | 000-07647 |
| 4 | Open Document | Open Filing | FORM 4 - | 15 Dec 2016 | 13 Dec 2016 | 000-07647 |
| 4 | Open Document | Open Filing | FORM 4 - | 06 Jun 2016 | 02 Jun 2016 | 000-07647 |
| 4/A | Open Document | Open Filing | FORM 4/A - | 23 May 2016 | 04 Apr 2016 | 000-07647 |
| 4 | Open Document | Open Filing | FORM 4 - | 06 Apr 2016 | 04 Apr 2016 | 000-07647 |
| 4 | Open Document | Open Filing | FORM 4 - | 26 Feb 2016 | 24 Feb 2016 | 000-07647 |
| 4 | Open Document | Open Filing | FORM 4 - | 01 Jun 2015 | 28 May 2015 | 000-07647 |
| 4 | Open Document | Open Filing | FORM 4 - | 02 Apr 2015 | 31 Mar 2015 | 000-07647 |
| 4 | Open Document | Open Filing | FORM 4 - | 02 Jun 2014 | 29 May 2014 | 000-07647 |
| 4 | Open Document | Open Filing | FORM 4 - | 06 May 2014 | 29 Apr 2014 | 000-07647 |