| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 29 Aug 2022 | 27 Aug 2022 | 000-50865 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 20 May 2022 | 18 May 2022 | 000-50865 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 12 May 2022 | 10 May 2022 | 000-50865 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 27 Aug 2021 | 27 Aug 2021 | 000-50865 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 20 May 2021 | 18 May 2021 | 000-50865 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 31 Aug 2020 | 27 Aug 2020 | 000-50865 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 28 Feb 2020 | 25 Feb 2020 | 000-50865 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 16 May 2019 | 14 May 2019 | 000-50865 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 25 Feb 2019 | 20 Feb 2019 | 000-50865 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 06 Aug 2018 | 02 Aug 2018 | 000-50865 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 18 May 2018 | 16 May 2018 | 000-50865 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 29 Aug 2017 | 28 Aug 2017 | 000-50865 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 23 Aug 2017 | 21 Aug 2017 | 000-50865 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 31 Aug 2016 | 27 Aug 2016 | 000-50865 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 24 Aug 2016 | 16 Aug 2016 | 000-50865 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 29 Feb 2016 | 18 Feb 2016 | 000-50865 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 23 Nov 2015 | 19 Nov 2015 | 000-50865 |
| 3 | Open Document | Open Filing | FORM 3 SUBMISSION | 15 Oct 2015 | 14 Oct 2015 | 000-50865 |