| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | 4 | 29 May 2025 | 27 May 2025 | 000-31285 |
| 3 | Open Document | Open Filing | PRIMARY DOCUMENT | 02 Dec 2024 | 02 Dec 2024 | 811-21582 |
| 4 | Open Document | Open Filing | 4 | 10 May 2024 | 09 May 2024 | 000-31285 |
| 3 | Open Document | Open Filing | PRIMARY DOCUMENT | 26 Feb 2024 | 16 Feb 2024 | 811-23915 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 12 May 2023 | 11 May 2023 | 000-31285 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 19 May 2022 | 17 May 2022 | 000-31285 |
| 5 | Open Document | Open Filing | PRIMARY DOCUMENT | 20 Dec 2021 | 30 Sep 2021 | 811-23247 |
| 4 | Open Document | Open Filing | FORM 4 | 24 May 2021 | 24 May 2021 | 001-36230 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 13 May 2021 | 12 May 2021 | 000-31285 |
| 5 | Open Document | Open Filing | PRIMARY DOCUMENT | 02 Dec 2020 | 30 Sep 2020 | 811-23247 |
| 4 | Open Document | Open Filing | FORM 4 | 22 May 2020 | 21 May 2020 | 001-36230 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 19 May 2020 | 06 May 2020 | 000-31285 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 25 Mar 2020 | 24 Mar 2020 | 811-23247 |
| 4 | Open Document | Open Filing | FORM 4 | 17 May 2019 | 15 May 2019 | 001-36230 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 09 May 2019 | 08 May 2019 | 000-31285 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 21 Nov 2018 | 20 Nov 2018 | 000-31285 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 16 Nov 2018 | 15 Nov 2018 | 000-31285 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 30 Oct 2018 | 29 Oct 2018 | 811-23247 |
| 4 | Open Document | Open Filing | FORM 4 | 22 May 2018 | 18 May 2018 | 001-36230 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 11 May 2018 | 09 May 2018 | 000-31285 |
| 3/A | Open Document | Open Filing | PRIMARY DOCUMENT | 27 Sep 2017 | 27 Sep 2017 | 811-23247 |
| 3 | Open Document | Open Filing | PRIMARY DOCUMENT | 27 Sep 2017 | 27 Sep 2017 | 811-23247 |
| 4 | Open Document | Open Filing | FORM 4 | 09 Aug 2017 | 07 Aug 2017 | 001-36230 |
| 4 | Open Document | Open Filing | FORM 4 | 06 Jun 2017 | 02 Jun 2017 | 001-36230 |
| 4/A | Open Document | Open Filing | FORM 4/A SUBMISSION | 17 May 2017 | 12 May 2016 | 000-31285 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 17 May 2017 | 11 May 2017 | 000-31285 |
| 4 | Open Document | Open Filing | FORM 4 | 06 Jun 2016 | 02 Jun 2016 | 001-36230 |
| 4 | Open Document | Open Filing | FORM 4 | 01 Jun 2016 | 27 May 2016 | 001-36230 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 16 May 2016 | 12 May 2016 | 000-31285 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 03 Mar 2016 | 02 Mar 2016 | 000-20388 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 19 Feb 2016 | 18 Feb 2016 | 000-20388 |
| 4 | Open Document | Open Filing | FORM 4 | 29 May 2015 | 27 May 2015 | 001-36230 |
| 4 | Open Document | Open Filing | FORM 4 | 28 May 2015 | 26 May 2015 | 001-36230 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 19 May 2015 | 15 May 2015 | 000-20388 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 18 May 2015 | 14 May 2015 | 000-31285 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 28 Apr 2015 | 24 Apr 2015 | 000-20388 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 16 Apr 2015 | 15 Apr 2015 | 000-20388 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 17 Mar 2015 | 16 Mar 2015 | 000-20388 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 03 Mar 2015 | 27 Feb 2015 | 000-20388 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 19 Feb 2015 | 17 Feb 2015 | 000-20388 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 16 Jan 2015 | 15 Jan 2015 | 000-20388 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 17 Dec 2014 | 15 Dec 2014 | 000-20388 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 18 Nov 2014 | 17 Nov 2014 | 000-20388 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 22 Oct 2014 | 21 Oct 2014 | 000-20388 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 17 Sep 2014 | 15 Sep 2014 | 000-20388 |
| 4 | Open Document | Open Filing | FORM 4 | 03 Sep 2014 | 29 Aug 2014 | 001-36230 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 18 Aug 2014 | 15 Aug 2014 | 000-20388 |
| 3 | Open Document | Open Filing | FORM 3 | 25 Jul 2014 | 24 Jul 2014 | 001-36230 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 16 Jul 2014 | 15 Jul 2014 | 000-20388 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 17 Jun 2014 | 16 Jun 2014 | 000-20388 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 19 May 2014 | 15 May 2014 | 000-20388 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 30 Apr 2014 | 28 Apr 2014 | 000-20388 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 29 Apr 2014 | 25 Apr 2014 | 000-20388 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 25 Apr 2014 | 24 Apr 2014 | 000-31285 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 17 Apr 2014 | 16 Apr 2014 | 000-20388 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 19 Mar 2014 | 17 Mar 2014 | 000-20388 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 20 Feb 2014 | 18 Feb 2014 | 000-20388 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 16 Jan 2014 | 15 Jan 2014 | 000-20388 |