| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 | 18 Nov 2021 | 16 Nov 2021 | 001-33660 |
| 4 | Open Document | Open Filing | FORM 4 | 16 Dec 2020 | 14 Dec 2020 | 001-33660 |
| 4 | Open Document | Open Filing | FORM 4 | 19 Nov 2020 | 17 Nov 2020 | 001-33660 |
| SC 13D/A | Open Document | Open Filing | SC 13D/A | 22 Sep 2020 | ||
| 4 | Open Document | Open Filing | FORM 4 | 17 Sep 2020 | 16 Sep 2020 | 001-33660 |
| 4 | Open Document | Open Filing | FORM 4 | 11 Jun 2020 | 09 Jun 2020 | 001-33660 |
| 4 | Open Document | Open Filing | FORM 4 | 04 Jun 2020 | 03 Jun 2020 | 001-33660 |
| 4 | Open Document | Open Filing | FORM 4 | 17 Dec 2019 | 13 Dec 2019 | 001-33660 |
| 4 | Open Document | Open Filing | FORM 4 | 12 Dec 2019 | 10 Dec 2019 | 001-33660 |
| 4 | Open Document | Open Filing | FORM 4 | 17 Jun 2019 | 14 Jun 2019 | 001-33660 |
| 4 | Open Document | Open Filing | FORM 4 | 13 Jun 2019 | 11 Jun 2019 | 001-33660 |
| 4 | Open Document | Open Filing | FORM 4 | 07 Jun 2019 | 05 Jun 2019 | 001-33660 |
| 4 | Open Document | Open Filing | FORM 4 | 05 Jun 2019 | 03 Jun 2019 | 001-33660 |
| 4 | Open Document | Open Filing | FORM 4 | 06 Dec 2018 | 04 Dec 2018 | 001-33660 |
| SC 13D | Open Document | Open Filing | SCHEDULE 13D | 06 Dec 2018 | ||
| 4 | Open Document | Open Filing | FORM 4 | 27 Nov 2018 | 23 Nov 2018 | 001-33660 |
| 4 | Open Document | Open Filing | FORM 4 | 21 Nov 2018 | 19 Nov 2018 | 001-33660 |
| 4 | Open Document | Open Filing | FORM 4 | 15 Nov 2018 | 13 Nov 2018 | 001-33660 |
| 4 | Open Document | Open Filing | FORM 4 | 28 Aug 2017 | 25 Aug 2017 | 001-33660 |
| 4 | Open Document | Open Filing | FORM 4 | 02 Aug 2017 | 01 Aug 2017 | 001-33660 |
| 4 | Open Document | Open Filing | FORM 4 | 13 Jul 2017 | 11 Jul 2017 | 001-33660 |
| 4/A | Open Document | Open Filing | FORM 4/A | 13 Jul 2017 | 30 Jun 2017 | 001-33660 |
| 4 | Open Document | Open Filing | FORM 4 | 05 Jul 2017 | 30 Jun 2017 | 001-33660 |
| 4 | Open Document | Open Filing | FORM 4 | 27 Jun 2017 | 23 Jun 2017 | 001-33660 |
| 4 | Open Document | Open Filing | FORM 4 | 02 Jun 2017 | 01 Jun 2017 | 001-33660 |
| 4 | Open Document | Open Filing | FORM 4 | 16 Dec 2016 | 14 Dec 2016 | 001-33660 |
| 4 | Open Document | Open Filing | FORM 4 | 17 Aug 2016 | 15 Aug 2016 | 001-33660 |
| 4 | Open Document | Open Filing | FORM 4 | 18 Mar 2016 | 17 Mar 2016 | 001-33660 |
| 4 | Open Document | Open Filing | FORM 4 | 15 Mar 2016 | 11 Mar 2016 | 001-33660 |
| 4 | Open Document | Open Filing | FORM 4 | 04 Aug 2015 | 31 Jul 2015 | 001-33660 |
| 4 | Open Document | Open Filing | FORM 4 | 19 May 2015 | 15 May 2015 | 001-33660 |
| 4 | Open Document | Open Filing | FORM 4 | 18 Mar 2015 | 16 Mar 2015 | 001-33660 |
| 4 | Open Document | Open Filing | FORM 4 | 16 Dec 2014 | 11 Mar 2014 | 001-33660 |
| 4 | Open Document | Open Filing | FORM 4 | 16 Sep 2014 | 12 Sep 2014 | 001-33660 |
| 4 | Open Document | Open Filing | FORM 4 | 14 May 2014 | 12 May 2014 | 001-33660 |
| 4 | Open Document | Open Filing | FORM 4 | 20 Mar 2014 | 07 Mar 2014 | 001-33660 |
| 4 | Open Document | Open Filing | FORM 4 | 13 Mar 2014 | 11 Mar 2014 | 001-33660 |
| 4 | Open Document | Open Filing | FORM 4 | 10 Mar 2014 | 06 Mar 2014 | 001-33660 |
| 4 | Open Document | Open Filing | FORM 4 | 31 Jan 2014 | 31 Jan 2014 | 001-33660 |