| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 | 05 Apr 2022 | 01 Apr 2022 | 001-33409 |
| 4 | Open Document | Open Filing | FORM 4 | 08 Mar 2022 | 04 Mar 2022 | 001-33409 |
| 4 | Open Document | Open Filing | FORM 4 | 17 Feb 2022 | 15 Feb 2022 | 001-33409 |
| 3 | Open Document | Open Filing | FORM 3 | 14 Jun 2021 | 03 Jun 2021 | 001-33409 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 02 Apr 2020 | 31 Mar 2020 | 001-04721 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 28 May 2019 | 23 May 2019 | 001-04721 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 20 May 2019 | 16 May 2019 | 001-04721 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 15 May 2019 | 13 May 2019 | 001-04721 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 10 May 2019 | 08 May 2019 | 001-04721 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 25 May 2018 | 23 May 2018 | 001-04721 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 22 May 2018 | 20 May 2018 | 001-04721 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 04 May 2018 | 02 May 2018 | 001-04721 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 01 Feb 2018 | 30 Jan 2018 | 001-04721 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 07 Dec 2017 | 06 Dec 2017 | 001-04721 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 12 Sep 2017 | 10 Sep 2017 | 001-04721 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 26 May 2017 | 24 May 2017 | 001-04721 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 23 May 2017 | 20 May 2017 | 001-04721 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 04 May 2017 | 02 May 2017 | 001-04721 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 06 Feb 2017 | 02 Feb 2017 | 001-04721 |
| 3 | Open Document | Open Filing | FORM 3 SUBMISSION | 14 Oct 2016 | 04 Oct 2016 | 001-04721 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 11 Sep 2015 | 10 Sep 2015 | 001-04721 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 22 May 2015 | 20 May 2015 | 001-04721 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 07 May 2015 | 05 May 2015 | 001-04721 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 10 Dec 2014 | 08 Dec 2014 | 001-04721 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 11 Sep 2014 | 10 Sep 2014 | 001-04721 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 22 May 2014 | 20 May 2014 | 001-04721 |