| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 | 10 Jun 2022 | 08 Jun 2022 | 001-39092 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 13 Dec 2021 | 09 Dec 2021 | 001-39092 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 19 Nov 2021 | 17 Nov 2021 | 001-39092 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 11 Aug 2021 | 09 Aug 2021 | 001-37825 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 06 Aug 2020 | 04 Aug 2020 | 001-37825 |
| 4/A | Open Document | Open Filing | FORM 4/A SUBMISSION | 26 Feb 2020 | 16 May 2019 | 001-37825 |
| 3 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 18 Oct 2019 | 17 Oct 2019 | 001-39092 |
| 4 | Open Document | Open Filing | FORM 4 | 05 Jun 2019 | 03 Jun 2019 | 001-34180 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 20 May 2019 | 16 May 2019 | 001-37825 |
| 3 | Open Document | Open Filing | 3 | 02 Jan 2019 | 01 Jan 2019 | 001-37825 |
| 4 | Open Document | Open Filing | FORM 4 | 01 Jun 2018 | 30 May 2018 | 001-34180 |
| 4 | Open Document | Open Filing | FORM 4 | 14 Sep 2017 | 13 Sep 2017 | 001-34180 |
| 4 | Open Document | Open Filing | FORM 4 | 02 Aug 2017 | 31 Jul 2017 | 001-34180 |
| 4 | Open Document | Open Filing | FORM 4 | 04 Aug 2016 | 03 Aug 2016 | 001-34180 |
| 4 | Open Document | Open Filing | FORM 4 | 31 Jul 2015 | 29 Jul 2015 | 001-34180 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 12 May 2015 | 07 May 2015 | 000-18032 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 17 Dec 2014 | 15 Dec 2014 | 000-18032 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 24 Nov 2014 | 24 Nov 2014 | 001-33391 |
| 4/A | Open Document | Open Filing | PRIMARY DOCUMENT | 18 Sep 2014 | 15 Sep 2014 | 000-18032 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 17 Sep 2014 | 15 Sep 2014 | 000-18032 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 16 Jun 2014 | 13 Jun 2014 | 000-18032 |
| 4 | Open Document | Open Filing | FORM 4 | 23 May 2014 | 21 May 2014 | 001-34180 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 09 May 2014 | 07 May 2014 | 000-18032 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 07 May 2014 | 02 May 2014 | 000-18032 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 17 Mar 2014 | 13 Mar 2014 | 000-18032 |