| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | 01 Aug 2025 | 31 Jul 2025 | 001-15451 | |
| 4 | Open Document | Open Filing | 09 May 2025 | 08 May 2025 | 001-15451 | |
| 4 | Open Document | Open Filing | 25 Jul 2024 | 25 Jul 2024 | 001-15451 | |
| 4 | Open Document | Open Filing | 03 May 2024 | 02 May 2024 | 001-15451 | |
| 4 | Open Document | Open Filing | 14 Mar 2024 | 12 Mar 2024 | 001-40837 | |
| 4 | Open Document | Open Filing | 09 Jun 2023 | 07 Jun 2023 | 001-40837 | |
| 4 | Open Document | Open Filing | 05 May 2023 | 04 May 2023 | 001-15451 | |
| 4 | Open Document | Open Filing | 13 Jun 2022 | 09 Jun 2022 | 001-40837 | |
| 4 | Open Document | Open Filing | 09 May 2022 | 05 May 2022 | 001-15451 | |
| 3 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 23 Sep 2021 | 23 Sep 2021 | 001-40837 |
| 4 | Open Document | Open Filing | 17 May 2021 | 13 May 2021 | 001-15451 | |
| 4 | Open Document | Open Filing | 02 Oct 2020 | 30 Sep 2020 | 001-15451 | |
| 4 | Open Document | Open Filing | 15 May 2020 | 14 May 2020 | 001-15451 | |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 03 Oct 2019 | 01 Oct 2019 | 001-01183 |
| 4 | Open Document | Open Filing | FORM 4 | 10 May 2019 | 09 May 2019 | 001-15451 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 03 Oct 2018 | 01 Oct 2018 | 001-01183 |
| 4 | Open Document | Open Filing | 11 May 2018 | 10 May 2018 | 001-15451 | |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 03 Oct 2017 | 01 Oct 2017 | 001-01183 |
| 4 | Open Document | Open Filing | 05 May 2017 | 04 May 2017 | 001-15451 | |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 09 Feb 2017 | 07 Feb 2017 | 001-00278 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 04 Oct 2016 | 01 Oct 2016 | 001-01183 |
| 4 | Open Document | Open Filing | 06 May 2016 | 05 May 2016 | 001-15451 | |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 04 Feb 2016 | 02 Feb 2016 | 001-00278 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 05 Oct 2015 | 01 Oct 2015 | 001-01183 |
| 4 | Open Document | Open Filing | 08 May 2015 | 07 May 2015 | 001-15451 | |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 25 Mar 2015 | 23 Mar 2015 | 001-01183 |
| 3 | Open Document | Open Filing | FORM 3 SUBMISSION | 25 Mar 2015 | 23 Mar 2015 | 001-01183 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 05 Feb 2015 | 03 Feb 2015 | 001-00278 |
| 4 | Open Document | Open Filing | 09 May 2014 | 08 May 2014 | 001-15451 | |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 06 Feb 2014 | 04 Feb 2014 | 001-00278 |
| 4/A | Open Document | Open Filing | FORM 4A | 03 Jan 2014 | 08 Nov 2013 | 001-34466 |