| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 15 Dec 2021 | 13 Dec 2021 | 001-06651 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 16 Nov 2021 | 12 Nov 2021 | 001-06651 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 12 Nov 2021 | 10 Nov 2021 | 001-06651 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 10 Nov 2021 | 08 Nov 2021 | 001-06651 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 03 Nov 2021 | 01 Nov 2021 | 001-06651 |
| 4 | Open Document | Open Filing | FORM 4 | 12 Apr 2021 | 08 Apr 2021 | 001-06651 |
| 4 | Open Document | Open Filing | FORM 4 | 13 Nov 2020 | 11 Nov 2020 | 001-06651 |
| 4 | Open Document | Open Filing | FORM 4 | 10 Nov 2020 | 09 Nov 2020 | 001-06651 |
| 4 | Open Document | Open Filing | FORM 4 | 05 Nov 2020 | 03 Nov 2020 | 001-06651 |
| 4 | Open Document | Open Filing | FORM 4 | 08 Jun 2020 | 05 Jun 2020 | 001-06651 |
| 4 | Open Document | Open Filing | FORM 4 | 18 Nov 2019 | 15 Nov 2019 | 001-06651 |
| 4 | Open Document | Open Filing | FORM 4 | 12 Nov 2019 | 08 Nov 2019 | 001-06651 |
| 4 | Open Document | Open Filing | FORM 4 | 07 Nov 2019 | 05 Nov 2019 | 001-06651 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 16 Aug 2019 | 14 Aug 2019 | 001-06651 |
| 4 | Open Document | Open Filing | FORM 4 | 07 May 2019 | 03 May 2019 | 001-06651 |
| 4 | Open Document | Open Filing | FORM 4 | 20 Nov 2018 | 17 Nov 2018 | 001-06651 |
| 4 | Open Document | Open Filing | FORM 4 | 09 Nov 2018 | 07 Nov 2018 | 001-06651 |
| 4 | Open Document | Open Filing | FORM 4 | 03 Oct 2018 | 01 Oct 2018 | 001-06651 |
| 4 | Open Document | Open Filing | FORM 4 | 30 May 2018 | 25 May 2018 | 001-06651 |
| 4 | Open Document | Open Filing | FORM 4 | 15 Dec 2017 | 13 Dec 2017 | 001-06651 |
| 4 | Open Document | Open Filing | FORM 4 | 22 Nov 2017 | 18 Nov 2017 | 001-06651 |
| 4 | Open Document | Open Filing | FORM 4 | 13 Nov 2017 | 08 Nov 2017 | 001-06651 |
| 4 | Open Document | Open Filing | FORM 4 | 04 Oct 2017 | 01 Oct 2017 | 001-06651 |
| 4 | Open Document | Open Filing | FORM 4 | 19 May 2017 | 17 May 2017 | 001-06651 |
| 4 | Open Document | Open Filing | FORM 4 | 10 Feb 2017 | 09 Feb 2017 | 001-06651 |
| 3 | Open Document | Open Filing | FORM 3 | 12 Jan 2017 | 06 Jan 2017 | 001-06651 |