| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 06 Jul 2021 | 01 Jul 2021 | 001-36336 |
| 4 | Open Document | Open Filing | 4 | 22 Apr 2020 | 20 Apr 2020 | 001-36336 |
| 4 | Open Document | Open Filing | 4 | 12 Mar 2019 | 08 Mar 2019 | 001-36336 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 02 Jan 2019 | 02 Jan 2019 | 001-33801 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 02 Oct 2018 | 01 Oct 2018 | 001-33801 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 03 Jul 2018 | 02 Jul 2018 | 001-33801 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 03 Apr 2018 | 02 Apr 2018 | 001-33801 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 09 Mar 2018 | 07 Mar 2018 | 001-33801 |
| 4 | Open Document | Open Filing | 4 | 09 Mar 2018 | 07 Mar 2018 | 001-36336 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 03 Jan 2018 | 02 Jan 2018 | 001-33801 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 03 Oct 2017 | 02 Oct 2017 | 001-33801 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 05 Jul 2017 | 03 Jul 2017 | 001-33801 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 04 Apr 2017 | 03 Apr 2017 | 001-33801 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 09 Mar 2017 | 07 Mar 2017 | 001-33801 |
| 4 | Open Document | Open Filing | 4 | 09 Mar 2017 | 07 Mar 2017 | 001-36336 |
| 4 | Open Document | Open Filing | 4 | 09 Mar 2016 | 07 Mar 2016 | 001-36336 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 04 Mar 2016 | 02 Mar 2016 | 001-33801 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 05 Jan 2016 | 04 Jan 2016 | 001-33801 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 02 Oct 2015 | 01 Oct 2015 | 001-33801 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 02 Jul 2015 | 01 Jul 2015 | 001-33801 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 02 Apr 2015 | 01 Apr 2015 | 001-33801 |
| 4 | Open Document | Open Filing | 4 | 19 Mar 2015 | 17 Mar 2015 | 001-36336 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 06 Jan 2015 | 02 Jan 2015 | 001-33801 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 06 Nov 2014 | 04 Nov 2014 | 001-33801 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 03 Oct 2014 | 01 Oct 2014 | 001-33801 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 03 Jul 2014 | 01 Jul 2014 | 001-33801 |
| 4/A | Open Document | Open Filing | 4/A | 03 Apr 2014 | 14 Mar 2014 | 001-36336 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 02 Apr 2014 | 01 Apr 2014 | 001-33801 |
| 4 | Open Document | Open Filing | 4 | 18 Mar 2014 | 14 Mar 2014 | 001-36336 |
| 4 | Open Document | Open Filing | 4 | 11 Mar 2014 | 07 Mar 2014 | 001-36336 |
| 3 | Open Document | Open Filing | 3 | 11 Mar 2014 | 07 Mar 2014 | 001-36336 |
| 4 | Open Document | Open Filing | 4 | 11 Mar 2014 | 07 Mar 2014 | 000-50536 |
| 4 | Open Document | Open Filing | MAIN DOCUMENT DESCRIPTION | 03 Jan 2014 | 02 Jan 2014 | 001-33801 |