| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 13 Jun 2023 | 13 Jun 2023 | 001-13810 |
| 3 | Open Document | Open Filing | PRIMARY DOCUMENT | 13 Jun 2023 | 07 Jun 2023 | 001-13810 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 26 May 2022 | 25 May 2022 | 000-27115 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 28 May 2021 | 26 May 2021 | 000-27115 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 29 May 2020 | 27 May 2020 | 000-27115 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 30 May 2019 | 29 May 2019 | 000-27115 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 06 Jun 2018 | 05 Jun 2018 | 000-27115 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 01 Dec 2017 | 30 Nov 2017 | 000-27115 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 29 Nov 2017 | 28 Nov 2017 | 000-27115 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 26 Jun 2017 | 26 Jun 2017 | 000-27115 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 31 Mar 2017 | 14 Aug 2015 | 000-27115 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 16 Jun 2016 | 14 Jun 2016 | 000-27115 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 11 Jun 2015 | 10 Jun 2015 | 000-27115 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 07 Jan 2015 | 06 Jan 2015 | 000-27115 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 26 Nov 2014 | 24 Nov 2014 | 000-27115 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 12 Jun 2014 | 11 Jun 2014 | 000-27115 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 13 Jun 2013 | 13 Jun 2013 | 000-27115 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 13 Jun 2012 | 11 Jun 2012 | 000-27115 |