| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | 09 Jun 2025 | 05 Jun 2025 | 001-36201 | |
| 4 | Open Document | Open Filing | 12 Jun 2024 | 11 Jun 2024 | 001-36201 | |
| 4 | Open Document | Open Filing | 06 Mar 2024 | 04 Mar 2024 | 001-36201 | |
| 4 | Open Document | Open Filing | 29 Jun 2023 | 28 Jun 2023 | 001-36201 | |
| 4 | Open Document | Open Filing | 17 Jun 2022 | 15 Jun 2022 | 001-36201 | |
| 4 | Open Document | Open Filing | 14 Jun 2021 | 10 Jun 2021 | 001-36201 | |
| 4 | Open Document | Open Filing | 06 Jul 2020 | 02 Jul 2020 | 001-36201 | |
| 4 | Open Document | Open Filing | 19 Nov 2019 | 18 Nov 2019 | 001-36201 | |
| 3 | Open Document | Open Filing | 19 Nov 2019 | 18 Nov 2019 | 001-36201 | |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 02 Jan 2019 | 02 Jan 2019 | 001-38096 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 16 Nov 2018 | 15 Nov 2018 | 001-38096 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 06 Dec 2017 | 06 Dec 2017 | 001-38096 |
| 3 | Open Document | Open Filing | FORM 3 SUBMISSION | 15 Nov 2017 | 13 Nov 2017 | 001-38096 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 01 Aug 2017 | 31 Jul 2017 | 000-26770 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 11 May 2017 | 11 May 2017 | 000-26770 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 02 Feb 2017 | 31 Jan 2017 | 000-26770 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 16 Nov 2016 | 14 Nov 2016 | 000-26770 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 02 Aug 2016 | 31 Jul 2016 | 000-26770 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 17 Mar 2016 | 15 Mar 2016 | 000-26770 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 01 Feb 2016 | 31 Jan 2016 | 000-26770 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 21 Aug 2015 | 19 Aug 2015 | 000-26770 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 04 Aug 2015 | 31 Jul 2015 | 000-26770 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 09 Mar 2015 | 05 Mar 2015 | 000-26770 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 03 Feb 2015 | 31 Jan 2015 | 000-26770 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 06 Oct 2014 | 03 Oct 2014 | 000-26770 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 04 Aug 2014 | 31 Jul 2014 | 000-26770 |
| 4/A | Open Document | Open Filing | FORM 4/A SUBMISSION | 25 Mar 2014 | 25 Mar 2014 | 000-26770 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 25 Mar 2014 | 25 Mar 2014 | 000-26770 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 07 Mar 2014 | 06 Mar 2014 | 000-26770 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 04 Feb 2014 | 31 Jan 2014 | 000-26770 |