| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 | 07 Jun 2021 | 03 Jun 2021 | 001-09447 |
| 4 | Open Document | Open Filing | FORM 4 | 12 Jun 2020 | 10 Jun 2020 | 001-09447 |
| 4 | Open Document | Open Filing | FORM 4 | 10 Jun 2019 | 06 Jun 2019 | 001-09447 |
| 4/A | Open Document | Open Filing | FORM 4/A | 22 Jun 2018 | 14 Jun 2018 | 001-09447 |
| 4 | Open Document | Open Filing | FORM 4 | 15 Jun 2018 | 14 Jun 2018 | 001-09447 |
| 4 | Open Document | Open Filing | FORM 4 | 16 Jun 2017 | 14 Jun 2017 | 001-09447 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 27 May 2016 | 26 May 2016 | 001-09447 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 04 Jun 2015 | 02 Jun 2015 | 000-52105 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 05 Jun 2014 | 04 Jun 2014 | 000-52105 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 03 Mar 2014 | 28 Feb 2014 | 000-52105 |