| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 | 16 Jun 2022 | 16 Jun 2022 | 000-31141 |
| 4 | Open Document | Open Filing | FORM 4 | 11 Jun 2021 | 10 Jun 2021 | 000-31141 |
| 4 | Open Document | Open Filing | FORM 4 | 18 May 2021 | 14 May 2021 | 000-31141 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 18 Jun 2020 | 17 Jun 2020 | 000-31141 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 14 Jun 2019 | 13 Jun 2019 | 000-31141 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 14 Jun 2018 | 12 Jun 2018 | 000-31141 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 26 May 2017 | 25 May 2017 | 000-31141 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 09 Jan 2017 | 06 Jan 2017 | 000-31141 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 21 Jun 2016 | 17 Jun 2016 | 000-31141 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 16 Jun 2015 | 15 Jun 2015 | 000-31141 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 19 Jun 2014 | 17 Jun 2014 | 000-31141 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 10 Mar 2014 | 06 Mar 2014 | 000-31141 |