| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 | 02 Aug 2022 | 29 Jul 2022 | 000-11559 |
| 4 | Open Document | Open Filing | FORM 4 | 11 Aug 2021 | 23 Jul 2020 | 000-11559 |
| 4 | Open Document | Open Filing | FORM 4 | 01 Aug 2019 | 26 Jul 2019 | 000-11559 |
| 4 | Open Document | Open Filing | FORM 4 | 31 Jul 2018 | 29 Jul 2018 | 000-11559 |
| 4/A | Open Document | Open Filing | FORM 4/A | 01 Nov 2017 | 30 Oct 2017 | 000-11559 |
| 4 | Open Document | Open Filing | FORM 4 | 01 Nov 2017 | 01 Nov 2017 | 000-11559 |
| 4 | Open Document | Open Filing | FORM 4 | 01 Aug 2016 | 31 Jul 2016 | 000-11559 |
| 4 | Open Document | Open Filing | FORM 4 | 27 Jul 2016 | 25 Jul 2016 | 000-11559 |
| 4 | Open Document | Open Filing | FORM 4 | 28 Jul 2015 | 26 Jul 2015 | 000-11559 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 29 Jul 2014 | 27 Jul 2014 | 000-11559 |
| 4 | Open Document | Open Filing | FORM 4 | 27 Aug 2013 | 23 Aug 2013 | 000-11559 |
| 4 | Open Document | Open Filing | FORM 4 | 16 May 2013 | 14 May 2013 | 000-11559 |