| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 07 Mar 2023 | 05 Mar 2023 | 001-09447 |
| 4 | Open Document | Open Filing | FORM 4 | 08 Mar 2022 | 05 Mar 2022 | 001-09447 |
| 4 | Open Document | Open Filing | FORM 4 | 09 Mar 2021 | 05 Mar 2021 | 001-09447 |
| 4 | Open Document | Open Filing | FORM 4 | 09 Mar 2020 | 05 Mar 2020 | 001-09447 |
| 4 | Open Document | Open Filing | FORM 4 | 31 Oct 2019 | 30 Oct 2019 | 001-09447 |
| 4 | Open Document | Open Filing | FORM 4 | 15 May 2019 | 13 May 2019 | 001-09447 |
| 4 | Open Document | Open Filing | FORM 4 | 07 Mar 2019 | 05 Mar 2019 | 001-09447 |
| 4 | Open Document | Open Filing | FORM 4 | 29 May 2018 | 24 May 2018 | 001-09447 |
| 4/A | Open Document | Open Filing | FORM 4/A | 18 May 2018 | 30 Dec 2016 | 001-09447 |
| 4 | Open Document | Open Filing | FORM 4 | 07 Mar 2018 | 05 Mar 2018 | 001-09447 |
| 4 | Open Document | Open Filing | FORM 4 | 04 Aug 2017 | 02 Aug 2017 | 001-09447 |
| 4 | Open Document | Open Filing | FORM 4 | 07 Mar 2017 | 05 Mar 2017 | 001-09447 |
| 4 | Open Document | Open Filing | FORM 4 | 04 Jan 2017 | 30 Dec 2016 | 001-09447 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 08 Mar 2016 | 05 Mar 2016 | 000-52105 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 09 Mar 2015 | 05 Mar 2015 | 000-52105 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 07 Mar 2014 | 05 Mar 2014 | 000-52105 |
| 3 | Open Document | Open Filing | FORM 3 SUBMISSION | 20 Sep 2013 | 12 Sep 2013 | 000-52105 |