| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 08 Jun 2021 | 07 Jun 2021 | 001-36509 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 02 Jun 2021 | 01 Jun 2021 | 001-36509 |
| 4 | Open Document | Open Filing | 4 | 09 Jun 2020 | 08 Jun 2020 | 001-36509 |
| 4 | Open Document | Open Filing | 4 | 28 May 2020 | 27 May 2020 | 001-36509 |
| 4 | Open Document | Open Filing | 4 | 13 Jun 2019 | 12 Jun 2019 | 001-36509 |
| 4 | Open Document | Open Filing | 4 | 12 Dec 2018 | 11 Dec 2018 | 001-36509 |
| 4 | Open Document | Open Filing | 4 | 11 Jun 2018 | 07 Jun 2018 | 001-36509 |
| 4 | Open Document | Open Filing | 4 | 12 Jun 2017 | 08 Jun 2017 | 001-36509 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 13 Jun 2016 | 09 Jun 2016 | 001-36509 |
| 4 | Open Document | Open Filing | 4 | 29 May 2015 | 27 May 2015 | 001-36509 |
| 4 | Open Document | Open Filing | 4 | 19 Aug 2014 | 15 Aug 2014 | 001-36509 |
| 3 | Open Document | Open Filing | 3 | 24 Jun 2014 | 24 Jun 2014 | 001-36509 |