| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 | 28 Apr 2022 | 26 Apr 2022 | 001-39228 |
| 4 | Open Document | Open Filing | FORM 4 | 01 Jun 2021 | 27 May 2021 | 001-39228 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 28 Dec 2020 | 23 Dec 2020 | 001-39228 |
| 3 | Open Document | Open Filing | FORM 3 SUBMISSION | 13 Oct 2020 | 08 Oct 2020 | 001-39228 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 09 Jun 2015 | 04 Jun 2015 | 001-04423 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 13 Jan 2015 | 09 Jan 2015 | 001-04423 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 05 Jan 2015 | 02 Jan 2015 | 001-04423 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 22 Dec 2014 | 18 Dec 2014 | 001-04423 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 16 Dec 2014 | 12 Dec 2014 | 001-04423 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 15 Dec 2014 | 11 Dec 2014 | 001-04423 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 10 Dec 2014 | 08 Dec 2014 | 001-04423 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 09 Dec 2014 | 05 Dec 2014 | 001-04423 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 02 Dec 2014 | 28 Nov 2014 | 001-04423 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 28 Nov 2014 | 25 Nov 2014 | 001-04423 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 31 Oct 2014 | 29 Oct 2014 | 001-04423 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 28 Oct 2014 | 24 Oct 2014 | 001-04423 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 20 Oct 2014 | 16 Oct 2014 | 001-04423 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 22 Sep 2014 | 18 Sep 2014 | 001-04423 |