| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 07 Dec 2021 | 03 Dec 2021 | 001-32590 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 03 Dec 2021 | 01 Dec 2021 | 001-32590 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 03 Sep 2021 | 01 Sep 2021 | 001-32590 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 03 Jun 2021 | 01 Jun 2021 | 001-32590 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 03 Mar 2021 | 01 Mar 2021 | 001-32590 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 03 Dec 2020 | 01 Dec 2020 | 001-32590 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 05 Nov 2020 | 03 Nov 2020 | 001-32590 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 03 Sep 2020 | 01 Sep 2020 | 001-32590 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 03 Jun 2020 | 01 Jun 2020 | 001-32590 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 03 Mar 2020 | 01 Mar 2020 | 001-32590 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 03 Dec 2019 | 01 Dec 2019 | 001-32590 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 05 Sep 2019 | 03 Sep 2019 | 001-32590 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 04 Jun 2019 | 01 Jun 2019 | 001-32590 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 11 Mar 2019 | 01 Mar 2019 | 001-32590 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 04 Dec 2018 | 01 Dec 2018 | 001-32590 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 05 Sep 2018 | 01 Sep 2018 | 001-32590 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 05 Jun 2018 | 01 Jun 2018 | 001-32590 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 05 Mar 2018 | 01 Mar 2018 | 001-32590 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 05 Dec 2017 | 01 Dec 2017 | 001-32590 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 06 Sep 2017 | 01 Sep 2017 | 001-32590 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 05 Jun 2017 | 01 Jun 2017 | 001-32590 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 03 Mar 2017 | 01 Mar 2017 | 001-32590 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 05 Dec 2016 | 01 Dec 2016 | 001-32590 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 06 Sep 2016 | 01 Sep 2016 | 001-32590 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 03 Jun 2016 | 01 Jun 2016 | 001-32590 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 03 Mar 2016 | 01 Mar 2016 | 001-32590 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 03 Dec 2015 | 01 Dec 2015 | 001-32590 |
| 4 | Open Document | Open Filing | FORM 4 | 03 Sep 2015 | 01 Sep 2015 | 001-32590 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 03 Jun 2015 | 01 Jun 2015 | 001-32590 |
| 4 | Open Document | Open Filing | FORM 4 | 04 Mar 2015 | 02 Mar 2015 | 001-32590 |
| 4 | Open Document | Open Filing | FORM 4 | 03 Dec 2014 | 01 Dec 2014 | 001-32590 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 04 Sep 2014 | 02 Sep 2014 | 001-32590 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 04 Jun 2014 | 02 Jun 2014 | 001-32590 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 05 Mar 2014 | 03 Mar 2014 | 001-32590 |