| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 18 May 2022 | 17 May 2022 | 001-36577 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 20 May 2021 | 18 May 2021 | 001-36577 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 18 May 2020 | 12 May 2020 | 001-36577 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 16 Dec 2019 | 13 Dec 2019 | 001-36577 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 15 Aug 2019 | 13 Aug 2019 | 001-36577 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 29 May 2019 | 07 May 2019 | 001-36577 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 10 May 2018 | 08 May 2018 | 001-36577 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 26 Jul 2017 | 25 Jul 2017 | 001-36577 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 04 May 2017 | 02 May 2017 | 001-36577 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 10 May 2016 | 06 May 2016 | 001-36577 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 06 May 2015 | 04 May 2015 | 001-36577 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 10 Feb 2015 | 06 Feb 2015 | 001-36577 |
| 3 | Open Document | Open Filing | FORM 3 SUBMISSION | 28 Jul 2014 | 28 Jul 2014 | 001-36577 |