| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 | 21 Jun 2021 | 17 Jun 2021 | 000-33001 |
| 4 | Open Document | Open Filing | FORM 4 | 22 Jun 2020 | 19 Jun 2020 | 000-33001 |
| 4 | Open Document | Open Filing | FORM 4 | 02 Jul 2019 | 01 Jul 2019 | 000-33001 |
| 4 | Open Document | Open Filing | 03 Jun 2019 | 31 May 2019 | 001-37550 | |
| 4 | Open Document | Open Filing | FORM 4 | 26 Jun 2018 | 22 Jun 2018 | 000-33001 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 12 Mar 2018 | 09 Mar 2018 | 001-37550 |
| 4 | Open Document | Open Filing | FORM 4 | 23 Jun 2017 | 21 Jun 2017 | 000-33001 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 02 May 2017 | 28 Apr 2017 | 001-37550 |
| 3 | Open Document | Open Filing | FORM 3 | 23 Sep 2016 | 21 Sep 2016 | 000-33001 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 05 May 2016 | 03 May 2016 | 001-37550 |
| 3 | Open Document | Open Filing | FORM 3 SUBMISSION | 05 May 2016 | 29 Apr 2016 | 001-37550 |