| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 - | 09 Jun 2021 | 09 Jun 2021 | 000-24389 |
| 4 | Open Document | Open Filing | FORM 4 - | 02 Apr 2021 | 15 Jan 2021 | 000-24389 |
| 4 | Open Document | Open Filing | FORM 4 - | 06 Jan 2021 | 04 Jan 2021 | 000-24389 |
| 4/A | Open Document | Open Filing | FORM 4/A - | 22 Apr 2020 | 15 Jan 2020 | 000-24389 |
| 4 | Open Document | Open Filing | FORM 4 - | 06 Feb 2020 | 01 Feb 2020 | 000-24389 |
| 4/A | Open Document | Open Filing | FORM 4/A - | 06 Feb 2020 | 12 Jun 2019 | 000-24389 |
| 4 | Open Document | Open Filing | FORM 4 - | 14 Jun 2019 | 12 Jun 2019 | 000-24389 |
| 4/A | Open Document | Open Filing | FORM 4/A - | 06 Feb 2019 | 03 Jan 2019 | 000-24389 |
| 4 | Open Document | Open Filing | FORM 4 - | 07 Jan 2019 | 03 Jan 2019 | 000-24389 |
| 4 | Open Document | Open Filing | FORM 4 - | 08 Jan 2018 | 04 Jan 2018 | 000-24389 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 06 Jan 2017 | 05 Jan 2017 | 000-24389 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 06 Jan 2016 | 04 Jan 2016 | 000-24389 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 07 Jan 2015 | 05 Jan 2015 | 000-24389 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 08 Jan 2014 | 06 Jan 2014 | 000-24389 |