| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 21 Apr 2022 | 21 Apr 2022 | 001-00584 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 30 Apr 2021 | 29 Apr 2021 | 001-00584 |
| 3 | Open Document | Open Filing | FORM 3 SUBMISSION | 09 Dec 2020 | 09 Dec 2020 | 001-39784 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 04 May 2020 | 30 Apr 2020 | 001-00584 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 21 May 2019 | 17 May 2019 | 001-00584 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 10 May 2019 | 09 May 2019 | 001-00584 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 06 May 2019 | 02 May 2019 | 001-00584 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 22 Aug 2018 | 21 Aug 2018 | 000-07459 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 07 May 2018 | 03 May 2018 | 001-00584 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 12 Jan 2018 | 10 Jan 2018 | 000-07459 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 03 Oct 2017 | 08 Sep 2017 | 000-07459 |
| 3 | Open Document | Open Filing | FORM 3 SUBMISSION | 15 Sep 2017 | 08 Sep 2017 | 000-07459 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 01 May 2017 | 27 Apr 2017 | 001-00584 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 17 Feb 2017 | 16 Feb 2017 | 001-00584 |
| 3 | Open Document | Open Filing | PRIMARY DOCUMENT | 28 Oct 2016 | 20 Oct 2016 | 001-00584 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 30 Oct 2015 | 28 Oct 2015 | 001-12515 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 21 Jul 2015 | 20 Jul 2015 | 001-12515 |
| 3 | Open Document | Open Filing | FORM 3 SUBMISSION | 18 Jun 2015 | 01 Jun 2015 | 001-12515 |