| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | 29 Apr 2022 | 25 Apr 2022 | 001-33718 | |
| 4 | Open Document | Open Filing | 25 Mar 2022 | 18 Mar 2022 | 001-33718 | |
| 4 | Open Document | Open Filing | 04 Mar 2022 | 24 Feb 2022 | 001-33718 | |
| 4 | Open Document | Open Filing | 23 Jul 2021 | 01 Apr 2020 | 001-33718 | |
| 4 | Open Document | Open Filing | 20 Dec 2019 | 18 Nov 2019 | 001-33718 | |
| 4 | Open Document | Open Filing | 07 Dec 2018 | 03 Dec 2018 | 001-33718 | |
| 3 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 01 Sep 2017 | 07 Aug 2017 | 001-33718 |
| SC 13G/A | Open Document | Open Filing | SC 13G/A | 09 Oct 2015 | ||
| SC 13G/A | Open Document | Open Filing | SC 13G/A | 08 Apr 2015 | ||
| SC 13G/A | Open Document | Open Filing | SC 13G/A | 12 Jan 2015 |