| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4/A | Open Document | Open Filing | FORM 4/A SUBMISSION | 17 Mar 2022 | 28 Feb 2022 | 001-12561 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 02 Mar 2022 | 28 Feb 2022 | 001-12561 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 24 Feb 2022 | 22 Feb 2022 | 001-12561 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 06 Jul 2021 | 01 Jul 2021 | 001-12561 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 18 Feb 2021 | 16 Feb 2021 | 001-12561 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 06 Jul 2020 | 01 Jul 2020 | 001-12561 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 12 Feb 2020 | 11 Feb 2020 | 001-12561 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 28 May 2019 | 23 May 2019 | 001-12561 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 05 Mar 2019 | 28 Feb 2019 | 001-12561 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 26 Feb 2019 | 25 Feb 2019 | 001-12561 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 14 May 2018 | 11 May 2018 | 001-12561 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 02 Mar 2018 | 28 Feb 2018 | 001-12561 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 24 Feb 2017 | 22 Feb 2017 | 001-12561 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 26 Feb 2016 | 24 Feb 2016 | 001-12561 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 12 May 2015 | 11 May 2015 | 001-12561 |
| 3 | Open Document | Open Filing | FORM 3 SUBMISSION | 12 May 2015 | 11 May 2015 | 001-12561 |