| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 | 05 Aug 2022 | 03 Aug 2022 | 001-15983 |
| 4 | Open Document | Open Filing | FORM 4 | 03 Dec 2021 | 01 Dec 2021 | 001-15983 |
| 4 | Open Document | Open Filing | FORM 4 | 15 Nov 2021 | 10 Nov 2021 | 001-15983 |
| 4 | Open Document | Open Filing | FORM 4 | 04 Feb 2021 | 02 Feb 2021 | 001-15983 |
| 4 | Open Document | Open Filing | FORM 4 | 03 Dec 2020 | 01 Dec 2020 | 001-15983 |
| 4 | Open Document | Open Filing | FORM 4 | 23 Nov 2020 | 19 Nov 2020 | 001-15983 |
| 4/A | Open Document | Open Filing | FORM 4/A | 19 Dec 2019 | 01 Dec 2019 | 001-15983 |
| 4 | Open Document | Open Filing | FORM 4 | 03 Dec 2019 | 01 Dec 2019 | 001-15983 |
| 4 | Open Document | Open Filing | FORM 4 | 08 Nov 2019 | 06 Nov 2019 | 001-15983 |
| 3/A | Open Document | Open Filing | FORM 3/A | 08 Nov 2019 | 01 Dec 2015 | 001-15983 |
| 4 | Open Document | Open Filing | FORM 4 | 30 Sep 2019 | 26 Sep 2019 | 001-15983 |
| 4 | Open Document | Open Filing | FORM 4 | 04 Feb 2019 | 01 Feb 2019 | 001-15983 |
| 4 | Open Document | Open Filing | FORM 4 | 04 Dec 2018 | 01 Dec 2018 | 001-15983 |
| 4 | Open Document | Open Filing | FORM 4 | 05 Nov 2018 | 01 Nov 2018 | 001-15983 |
| 4 | Open Document | Open Filing | FORM 4 | 28 Sep 2018 | 26 Sep 2018 | 001-15983 |
| 4 | Open Document | Open Filing | FORM 4 | 10 Jul 2018 | 02 Feb 2018 | 001-15983 |
| 4 | Open Document | Open Filing | FORM 4 | 05 Dec 2017 | 01 Dec 2017 | 001-15983 |
| 4 | Open Document | Open Filing | FORM 4 | 03 Nov 2017 | 01 Nov 2017 | 001-15983 |
| 4 | Open Document | Open Filing | FORM 4 | 05 Dec 2016 | 01 Dec 2016 | 001-15983 |
| 4 | Open Document | Open Filing | FORM 4 | 04 Nov 2016 | 02 Nov 2016 | 001-15983 |
| 4 | Open Document | Open Filing | FORM 4 | 02 Feb 2016 | 01 Feb 2016 | 001-15983 |
| 4 | Open Document | Open Filing | FORM 4 | 03 Dec 2015 | 01 Dec 2015 | 001-15983 |
| 3 | Open Document | Open Filing | FORM 3 | 03 Dec 2015 | 01 Dec 2015 | 001-15983 |