| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4/A | Open Document | Open Filing | FORM 4/A | 18 Apr 2022 | 13 Dec 2021 | 001-34852 |
| 4/A | Open Document | Open Filing | FORM 4/A | 18 Apr 2022 | 05 Apr 2021 | 001-34852 |
| 4 | Open Document | Open Filing | FORM 4 | 07 Jan 2022 | 05 Jan 2022 | 001-34852 |
| 4 | Open Document | Open Filing | FORM 4 | 15 Dec 2021 | 13 Dec 2021 | 001-34852 |
| 4 | Open Document | Open Filing | FORM 4 | 15 Apr 2021 | 13 Apr 2021 | 001-34852 |
| 4 | Open Document | Open Filing | FORM 4 | 14 Apr 2021 | 12 Apr 2021 | 001-34852 |
| 4 | Open Document | Open Filing | FORM 4 | 12 Apr 2021 | 08 Apr 2021 | 001-34852 |
| 144 | Open Document | Open Filing | FORM 144 | 08 Apr 2021 | ||
| 4 | Open Document | Open Filing | FORM 4 | 07 Apr 2021 | 05 Apr 2021 | 001-34852 |
| 4 | Open Document | Open Filing | FORM 4 | 09 Jun 2020 | 01 Jun 2020 | 001-34852 |
| 144/A | Open Document | Open Filing | FORM 144 | 09 Jun 2020 | ||
| 144/A | Open Document | Open Filing | FORM 144 | 01 Jun 2020 | ||
| 144 | Open Document | Open Filing | FORM 144 | 22 May 2020 | ||
| 4 | Open Document | Open Filing | FORM 4 | 14 Feb 2020 | 13 Feb 2020 | 001-34852 |
| 4 | Open Document | Open Filing | FORM 4 | 20 Feb 2019 | 18 Feb 2019 | 001-34852 |
| 4 | Open Document | Open Filing | FORM 4 | 20 Nov 2017 | 17 Nov 2017 | 001-34852 |
| 4 | Open Document | Open Filing | FORM 4 | 12 Jan 2017 | 11 Jan 2017 | 001-34852 |
| 4 | Open Document | Open Filing | FORM 4 | 14 Dec 2016 | 13 Dec 2016 | 001-34852 |
| 4 | Open Document | Open Filing | FORM 4 | 04 Sep 2015 | 04 Sep 2015 | 001-34852 |
| 4 | Open Document | Open Filing | FORM 4 | 18 Jun 2015 | 17 Jun 2015 | 001-34852 |
| 4 | Open Document | Open Filing | FORM 4 | 13 Jun 2014 | 12 Jun 2014 | 001-34852 |
| 4/A | Open Document | Open Filing | FORM 4/A | 28 Dec 2012 | 20 Dec 2012 | 001-34852 |
| 4 | Open Document | Open Filing | FORM 4 | 21 Dec 2012 | 20 Dec 2012 | 001-34852 |