| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 14 Oct 2022 | 12 Oct 2022 | 001-36507 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 23 Feb 2022 | 21 Feb 2022 | 001-36507 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 29 Dec 2021 | 27 Dec 2021 | 001-36507 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 09 Dec 2021 | 07 Dec 2021 | 001-36507 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 05 Mar 2021 | 03 Mar 2021 | 001-36507 |
| 4 | Open Document | Open Filing | 4 | 08 Dec 2020 | 07 Dec 2020 | 001-36507 |
| 3 | Open Document | Open Filing | 3 | 08 Dec 2020 | 07 Dec 2020 | 001-36507 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 24 Jul 2019 | 22 Jul 2019 | 001-07832 |
| 3 | Open Document | Open Filing | PRIMARY DOCUMENT | 24 Jul 2019 | 22 Jul 2019 | 001-07832 |
| 4 | Open Document | Open Filing | FORM 4 | 10 Nov 2016 | 09 Nov 2016 | 001-33600 |
| 4 | Open Document | Open Filing | FORM 4 | 19 Oct 2016 | 17 Oct 2016 | 001-33600 |
| 4 | Open Document | Open Filing | FORM 4 | 31 May 2016 | 26 May 2016 | 001-33600 |
| 4 | Open Document | Open Filing | FORM 4 | 25 May 2016 | 23 May 2016 | 001-33600 |
| 4 | Open Document | Open Filing | FORM 4 | 20 Nov 2015 | 20 Nov 2015 | 001-33600 |
| 4 | Open Document | Open Filing | 28 May 2015 | 26 May 2015 | 001-33600 | |
| 4 | Open Document | Open Filing | 04 Nov 2014 | 04 Nov 2014 | 001-33600 | |
| 4 | Open Document | Open Filing | 17 Sep 2014 | 15 Sep 2014 | 001-33600 | |
| 3 | Open Document | Open Filing | 17 Sep 2014 | 15 Sep 2014 | 001-33600 |