| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| SC 13G/A | Open Document | Open Filing | SC 13G/A | 13 Feb 2023 | ||
| 4 | Open Document | Open Filing | FORM 4 | 20 May 2022 | 18 May 2022 | 001-34820 |
| SC 13G/A | Open Document | Open Filing | SC 13G/A | 11 Feb 2022 | ||
| 4 | Open Document | Open Filing | FORM 4 | 17 Dec 2021 | 15 Dec 2021 | 001-34820 |
| 4 | Open Document | Open Filing | FORM 4 | 03 Sep 2021 | 03 Sep 2021 | 001-34820 |
| 4 | Open Document | Open Filing | FORM 4 | 21 May 2021 | 19 May 2021 | 001-34820 |
| 4 | Open Document | Open Filing | FORM 4 | 26 Feb 2021 | 24 Feb 2021 | 001-34820 |
| SC 13G/A | Open Document | Open Filing | SC 13G/A | 12 Feb 2021 | ||
| 4 | Open Document | Open Filing | FORM 4 | 20 Nov 2020 | 18 Nov 2020 | 001-34820 |
| 4 | Open Document | Open Filing | FORM 4 | 21 Aug 2020 | 19 Aug 2020 | 001-34820 |
| 4 | Open Document | Open Filing | FORM 4 | 29 May 2020 | 27 May 2020 | 001-34820 |
| 4 | Open Document | Open Filing | FORM 4 | 14 Feb 2020 | 12 Feb 2020 | 001-34820 |
| SC 13G/A | Open Document | Open Filing | SC 13G/A | 14 Feb 2020 | ||
| 4 | Open Document | Open Filing | FORM 4 | 15 Nov 2019 | 13 Nov 2019 | 001-34820 |
| 4 | Open Document | Open Filing | FORM 4 | 09 Aug 2019 | 07 Aug 2019 | 001-34820 |
| 4 | Open Document | Open Filing | FORM 4 | 17 May 2019 | 15 May 2019 | 001-34820 |
| 4 | Open Document | Open Filing | FORM 4 | 15 Feb 2019 | 13 Feb 2019 | 001-34820 |
| SC 13G/A | Open Document | Open Filing | SC 13GA | 13 Feb 2019 | ||
| 4 | Open Document | Open Filing | 09 Nov 2018 | 07 Nov 2018 | 001-34820 | |
| 4 | Open Document | Open Filing | FORM 4 | 10 Aug 2018 | 08 Aug 2018 | 001-34820 |
| 4 | Open Document | Open Filing | FORM 4 | 18 May 2018 | 16 May 2018 | 001-34820 |
| 4 | Open Document | Open Filing | FORM 4 | 23 Feb 2018 | 22 Feb 2018 | 001-34820 |
| SC 13G/A | Open Document | Open Filing | SC 13G/A | 13 Feb 2018 | ||
| 4 | Open Document | Open Filing | FORM 4 | 13 Nov 2017 | 08 Nov 2017 | 001-34820 |
| 4 | Open Document | Open Filing | FORM 4 | 11 Aug 2017 | 09 Aug 2017 | 001-34820 |
| 4 | Open Document | Open Filing | FORM 4 | 15 May 2017 | 10 May 2017 | 001-34820 |
| 4 | Open Document | Open Filing | FORM 4 | 24 Feb 2017 | 23 Feb 2017 | 001-34820 |
| SC 13G/A | Open Document | Open Filing | SC 13G/A | 10 Feb 2017 | ||
| 4 | Open Document | Open Filing | FORM 4 | 01 Feb 2017 | 31 Jan 2017 | 001-34820 |
| 4 | Open Document | Open Filing | FORM 4 | 10 Nov 2016 | 08 Nov 2016 | 001-34820 |
| 4 | Open Document | Open Filing | FORM 4 | 28 Oct 2016 | 26 Oct 2016 | 001-34820 |
| 4 | Open Document | Open Filing | FORM 4 | 10 Aug 2016 | 09 Aug 2016 | 001-34820 |
| 4 | Open Document | Open Filing | 4 | 09 May 2016 | 09 May 2016 | 001-34820 |
| 4 | Open Document | Open Filing | 4 | 29 Apr 2016 | 27 Apr 2016 | 001-34820 |
| 4 | Open Document | Open Filing | 4 | 26 Feb 2016 | 24 Feb 2016 | 001-34820 |
| SC 13G/A | Open Document | Open Filing | SC 13G/A | 12 Feb 2016 | ||
| 4 | Open Document | Open Filing | 4 | 12 Nov 2015 | 10 Nov 2015 | 001-34820 |
| 4 | Open Document | Open Filing | 4 | 30 Oct 2015 | 29 Oct 2015 | 001-34820 |
| 4 | Open Document | Open Filing | 4 | 07 Aug 2015 | 05 Aug 2015 | 001-34820 |
| 4 | Open Document | Open Filing | 4 | 05 Jun 2015 | 24 Apr 2015 | 001-34820 |
| 4 | Open Document | Open Filing | 4 | 08 May 2015 | 06 May 2015 | 001-34820 |
| 4 | Open Document | Open Filing | 4 | 06 Mar 2015 | 05 Mar 2015 | 001-34820 |
| SC 13G/A | Open Document | Open Filing | SC 13G/A | 13 Feb 2015 | ||
| 4 | Open Document | Open Filing | 4 | 07 Nov 2014 | 05 Nov 2014 | 001-34820 |
| 4 | Open Document | Open Filing | 4 | 28 Oct 2014 | 24 Oct 2014 | 001-34820 |
| 4 | Open Document | Open Filing | 4 | 14 Aug 2014 | 12 Aug 2014 | 001-34820 |
| 4 | Open Document | Open Filing | 4 | 30 May 2014 | 28 May 2014 | 001-34820 |
| 4 | Open Document | Open Filing | 4 | 29 Apr 2014 | 25 Apr 2014 | 001-34820 |
| 4 | Open Document | Open Filing | 4 | 21 Feb 2014 | 20 Feb 2014 | 001-34820 |
| SC 13G/A | Open Document | Open Filing | SC 13G/A | 14 Feb 2014 |