| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 | 28 Aug 2025 | 27 Aug 2025 | 000-07087 |
| 4 | Open Document | Open Filing | FORM 4 | 03 Mar 2025 | 27 Feb 2025 | 000-07087 |
| 4 | Open Document | Open Filing | FORM 4 | 26 Aug 2024 | 22 Aug 2024 | 000-07087 |
| 4 | Open Document | Open Filing | FORM 4 | 26 Feb 2024 | 22 Feb 2024 | 000-07087 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 23 Aug 2023 | 23 Aug 2023 | 000-07087 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 27 Feb 2023 | 23 Feb 2023 | 000-07087 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 24 Aug 2022 | 24 Aug 2022 | 000-07087 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 28 Feb 2022 | 24 Feb 2022 | 000-07087 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 26 Aug 2021 | 26 Aug 2021 | 000-07087 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 02 Mar 2021 | 26 Feb 2021 | 000-07087 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 31 Aug 2020 | 28 Aug 2020 | 000-07087 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 02 Mar 2020 | 28 Feb 2020 | 000-07087 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 27 Aug 2019 | 26 Aug 2019 | 000-07087 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 17 May 2019 | 15 May 2019 | 000-30877 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 17 Apr 2019 | 15 Apr 2019 | 000-30877 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 15 Mar 2019 | 13 Mar 2019 | 000-30877 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 07 Mar 2019 | 26 Feb 2019 | 000-07087 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 07 Mar 2019 | 12 Oct 2018 | 000-07087 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 17 May 2018 | 15 May 2018 | 000-30877 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 17 Apr 2018 | 15 Apr 2018 | 000-30877 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 06 Mar 2018 | 02 Mar 2018 | 000-07087 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 26 Jul 2017 | 15 Jun 2017 | 000-30877 |
| 3 | Open Document | Open Filing | FORM 3 SUBMISSION | 02 May 2017 | 24 Apr 2017 | 000-30877 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 08 Mar 2017 | 07 Mar 2017 | 000-07087 |
| 3 | Open Document | Open Filing | FORM 3 SUBMISSION | 13 Oct 2016 | 05 Oct 2016 | 000-07087 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 22 Apr 2016 | 21 Apr 2016 | 000-29823 |
| 3 | Open Document | Open Filing | PRIMARY DOCUMENT | 22 Apr 2016 | 21 Apr 2016 | 000-29823 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 03 Feb 2016 | 01 Feb 2016 | 000-23993 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 01 Dec 2015 | 27 Nov 2015 | 000-23993 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 09 Nov 2015 | 05 Nov 2015 | 000-23993 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 07 Aug 2015 | 05 Aug 2015 | 000-23993 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 07 May 2015 | 05 May 2015 | 000-23993 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 03 Mar 2015 | 27 Feb 2015 | 000-23993 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 02 Mar 2015 | 26 Feb 2015 | 000-23993 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 23 Feb 2015 | 19 Feb 2015 | 000-23993 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 19 Feb 2015 | 17 Feb 2015 | 000-23993 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 13 Feb 2015 | 12 Feb 2015 | 000-23993 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 12 Feb 2015 | 10 Feb 2015 | 000-23993 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 09 Feb 2015 | 05 Feb 2015 | 000-23993 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 01 Dec 2014 | 26 Nov 2014 | 000-23993 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 26 Nov 2014 | 24 Nov 2014 | 000-23993 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 07 Nov 2014 | 05 Nov 2014 | 000-23993 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 07 Aug 2014 | 05 Aug 2014 | 000-23993 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 07 May 2014 | 05 May 2014 | 000-23993 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 24 Feb 2014 | 20 Feb 2014 | 000-23993 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 07 Feb 2014 | 05 Feb 2014 | 000-23993 |