| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 10 Jun 2025 | 06 Jun 2025 | 001-08491 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 24 Jun 2024 | 24 Jun 2024 | 001-08491 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 12 Jul 2023 | 12 Jul 2023 | 001-08491 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 28 Jun 2022 | 28 Jun 2022 | 001-08491 |
| 5 | Open Document | Open Filing | PRIMARY DOCUMENT | 03 Jan 2022 | 31 Dec 2021 | 001-08491 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 09 Jun 2021 | 08 Jun 2021 | 001-08491 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 07 Jun 2021 | 04 Jun 2021 | 001-08491 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 09 Jul 2020 | 09 Jul 2020 | 001-08491 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 25 Jun 2019 | 25 Jun 2019 | 001-08491 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 16 Jan 2019 | 14 Jan 2019 | 001-34778 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 10 Jul 2018 | 09 Jul 2018 | 001-08491 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 07 Mar 2018 | 05 Mar 2018 | 001-34778 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 05 Mar 2018 | 01 Mar 2018 | 001-34778 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 09 Feb 2018 | 07 Feb 2018 | 001-34778 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 06 Jul 2017 | 05 Jul 2017 | 001-08491 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 08 Mar 2017 | 06 Mar 2017 | 001-34778 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 15 Feb 2017 | 13 Feb 2017 | 001-34778 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 08 Feb 2017 | 07 Feb 2017 | 001-34778 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 08 Sep 2016 | 06 Sep 2016 | 001-34778 |
| 4/A | Open Document | Open Filing | FORM 4/A SUBMISSION | 08 Sep 2016 | 30 Jun 2016 | 001-34778 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 30 Jun 2016 | 30 Jun 2016 | 001-34778 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 08 Jun 2016 | 07 Jun 2016 | 001-08491 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 31 May 2016 | 30 May 2016 | 001-08491 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 08 Mar 2016 | 07 Mar 2016 | 001-34778 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 24 Feb 2016 | 22 Feb 2016 | 001-34778 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 18 Feb 2016 | 16 Feb 2016 | 001-34778 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 09 Dec 2015 | 07 Dec 2015 | 001-34778 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 10 Sep 2015 | 08 Sep 2015 | 001-34778 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 09 Sep 2015 | 04 Sep 2015 | 001-34778 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 08 Jul 2015 | 07 Jul 2015 | 001-08491 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 09 Jun 2015 | 05 Jun 2015 | 001-34778 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 01 Jun 2015 | 30 May 2015 | 001-08491 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 09 Mar 2015 | 05 Mar 2015 | 001-34778 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 24 Feb 2015 | 20 Feb 2015 | 001-34778 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 17 Feb 2015 | 12 Feb 2015 | 001-34778 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 09 Dec 2014 | 05 Dec 2014 | 001-34778 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 04 Dec 2014 | 02 Dec 2014 | 001-36047 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 09 Sep 2014 | 05 Sep 2014 | 001-36047 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 09 Sep 2014 | 05 Sep 2014 | 001-34778 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 26 Jun 2014 | 25 Jun 2014 | 001-08491 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 10 Jun 2014 | 06 Jun 2014 | 001-34778 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 30 May 2014 | 30 May 2014 | 001-08491 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 11 Mar 2014 | 07 Mar 2014 | 001-34778 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 06 Mar 2014 | 05 Mar 2014 | 001-34778 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 18 Feb 2014 | 13 Feb 2014 | 001-34778 |