| 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 | 10 Feb 2021 | 08 Feb 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 | 26 Oct 2020 | 19 Oct 2020 | 001-32590 |
| 3 | Open Document | Open Filing | PRIMARY DOCUMENT | 26 Oct 2020 | 19 Oct 2020 | 001-32590 |
| 4 | Open Document | Open Filing | FORM 4 | 26 Jun 2017 | 23 Jun 2017 | 000-23565 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 05 Jun 2017 | 01 Jun 2017 | 000-23565 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 06 Sep 2016 | 01 Sep 2016 | 000-23565 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 01 Jul 2015 | 01 Jul 2015 | 000-23565 |
| 4 | Open Document | Open Filing | FORM 4 | 02 Jul 2014 | 01 Jul 2014 | 000-23565 |
| 4 | Open Document | Open Filing | FORM 4 HARRIS | 11 Jul 2013 | 09 Jul 2013 | 000-23565 |
| 4 | Open Document | Open Filing | FORM 4 HARRIS | 02 Jul 2012 | 02 Jul 2012 | 000-23565 |
| 4 | Open Document | Open Filing | FORM 4 HARRIS | 18 May 2012 | 16 May 2012 | 000-23565 |
| 4 | Open Document | Open Filing | FORM 4 HARRIS | 16 Feb 2012 | 15 Feb 2012 | 000-23565 |