| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 05 Aug 2021 | 03 Aug 2021 | 001-04714 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 31 Jul 2020 | 29 Jul 2020 | 001-04714 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 01 Aug 2019 | 30 Jul 2019 | 001-04714 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 07 Jan 2019 | 03 Jan 2019 | 001-04714 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 08 Feb 2016 | 04 Feb 2016 | 001-04714 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 10 Nov 2015 | 09 Nov 2015 | 001-04714 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 22 Oct 2015 | 21 Oct 2015 | 001-04714 |