| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | 08 Dec 2025 | 05 Dec 2025 | 000-20388 | |
| 4 | Open Document | Open Filing | 08 Sep 2025 | 05 Sep 2025 | 000-20388 | |
| 4 | Open Document | Open Filing | 09 Jun 2025 | 05 Jun 2025 | 000-20388 | |
| 4 | Open Document | Open Filing | 09 May 2025 | 09 May 2025 | 000-16244 | |
| 4 | Open Document | Open Filing | 28 Apr 2025 | 24 Apr 2025 | 000-20388 | |
| 4 | Open Document | Open Filing | 31 Mar 2025 | 28 Mar 2025 | 000-20388 | |
| 4 | Open Document | Open Filing | 10 Mar 2025 | 07 Mar 2025 | 000-20388 | |
| 4 | Open Document | Open Filing | 09 Dec 2024 | 06 Dec 2024 | 000-20388 | |
| 4 | Open Document | Open Filing | 09 Sep 2024 | 06 Sep 2024 | 000-20388 | |
| 4 | Open Document | Open Filing | 10 Jun 2024 | 07 Jun 2024 | 000-20388 | |
| 4 | Open Document | Open Filing | 10 May 2024 | 10 May 2024 | 000-16244 | |
| 4 | Open Document | Open Filing | 29 Apr 2024 | 25 Apr 2024 | 000-20388 | |
| 4 | Open Document | Open Filing | 11 Mar 2024 | 08 Mar 2024 | 000-20388 | |
| 4 | Open Document | Open Filing | 11 Dec 2023 | 08 Dec 2023 | 000-20388 | |
| 4 | Open Document | Open Filing | 11 Sep 2023 | 08 Sep 2023 | 000-20388 | |
| 4 | Open Document | Open Filing | 12 Jun 2023 | 09 Jun 2023 | 000-20388 | |
| 4 | Open Document | Open Filing | 15 May 2023 | 12 May 2023 | 000-16244 | |
| 4 | Open Document | Open Filing | 03 May 2023 | 02 May 2023 | 000-20388 | |
| 144 | Open Document | Open Filing | 02 May 2023 | |||
| 4 | Open Document | Open Filing | 01 May 2023 | 27 Apr 2023 | 000-20388 | |
| 4 | Open Document | Open Filing | 26 Apr 2023 | 25 Apr 2023 | 000-20388 | |
| 144 | Open Document | Open Filing | 25 Apr 2023 | |||
| 4 | Open Document | Open Filing | FORM 4 | 14 Mar 2023 | 10 Mar 2023 | 000-20388 |
| 4 | Open Document | Open Filing | FORM 4 | 13 Dec 2022 | 12 Dec 2022 | 000-20388 |
| 4 | Open Document | Open Filing | FORM 4 | 13 Sep 2022 | 12 Sep 2022 | 000-20388 |
| 4 | Open Document | Open Filing | FORM 4 | 14 Jun 2022 | 13 Jun 2022 | 000-20388 |
| 4 | Open Document | Open Filing | FORM 4 | 07 Jun 2022 | 06 Jun 2022 | 000-20388 |
| 4 | Open Document | Open Filing | FORM 4 | 03 Jun 2022 | 02 Jun 2022 | 000-20388 |
| 4 | Open Document | Open Filing | FORM 4 | 31 May 2022 | 27 May 2022 | 000-20388 |
| 4 | Open Document | Open Filing | 17 May 2022 | 13 May 2022 | 000-16244 | |
| 4 | Open Document | Open Filing | FORM 4 | 02 May 2022 | 28 Apr 2022 | 000-20388 |
| 4 | Open Document | Open Filing | FORM 4 | 14 Mar 2022 | 11 Mar 2022 | 000-20388 |
| 4 | Open Document | Open Filing | FORM 4 | 06 Dec 2021 | 03 Dec 2021 | 000-20388 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 05 Nov 2021 | 04 Nov 2021 | 001-04639 |
| 4 | Open Document | Open Filing | FORM 4 | 04 Nov 2021 | 02 Nov 2021 | 000-20388 |
| 4 | Open Document | Open Filing | FORM 4 | 25 Oct 2021 | 22 Oct 2021 | 000-20388 |
| 4 | Open Document | Open Filing | FORM 4 | 07 Sep 2021 | 03 Sep 2021 | 000-20388 |
| 4 | Open Document | Open Filing | FORM 4 | 07 Jun 2021 | 07 Jun 2021 | 000-20388 |
| 4 | Open Document | Open Filing | FORM 4 - | 10 May 2021 | 07 May 2021 | 000-16244 |
| 4 | Open Document | Open Filing | FORM 4 | 26 Apr 2021 | 22 Apr 2021 | 000-20388 |
| 4 | Open Document | Open Filing | FORM 4 | 08 Mar 2021 | 08 Mar 2021 | 000-20388 |
| 4 | Open Document | Open Filing | FORM 4 | 08 Jan 2021 | 06 Jan 2021 | 000-20388 |
| 4 | Open Document | Open Filing | FORM 4 | 05 Jan 2021 | 04 Jan 2021 | 000-20388 |
| 4 | Open Document | Open Filing | FORM 4 | 08 Dec 2020 | 04 Dec 2020 | 000-20388 |
| 4 | Open Document | Open Filing | FORM 4 | 25 Nov 2020 | 24 Nov 2020 | 000-20388 |
| 4 | Open Document | Open Filing | FORM 4 | 17 Nov 2020 | 16 Nov 2020 | 000-20388 |
| 4 | Open Document | Open Filing | FORM 4 | 10 Nov 2020 | 09 Nov 2020 | 000-20388 |
| 4 | Open Document | Open Filing | FORM 4 | 09 Nov 2020 | 05 Nov 2020 | 001-04639 |
| 4 | Open Document | Open Filing | FORM 4 | 08 Sep 2020 | 04 Sep 2020 | 000-20388 |
| 4 | Open Document | Open Filing | FORM 4 | 08 Jun 2020 | 08 Jun 2020 | 000-20388 |
| 4 | Open Document | Open Filing | FORM 4 - | 08 May 2020 | 08 May 2020 | 000-16244 |
| 4 | Open Document | Open Filing | FORM 4 | 27 Apr 2020 | 23 Apr 2020 | 000-20388 |
| 4 | Open Document | Open Filing | FORM 4 | 09 Mar 2020 | 06 Mar 2020 | 000-20388 |
| 4 | Open Document | Open Filing | FORM 4 | 10 Dec 2019 | 09 Dec 2019 | 000-20388 |
| 4 | Open Document | Open Filing | FORM 4 | 08 Nov 2019 | 07 Nov 2019 | 001-04639 |
| 4 | Open Document | Open Filing | FORM 4 | 09 Sep 2019 | 09 Sep 2019 | 000-20388 |
| 4 | Open Document | Open Filing | FORM 4 | 10 Jun 2019 | 10 Jun 2019 | 000-20388 |
| 4 | Open Document | Open Filing | FORM 4 - | 08 May 2019 | 06 May 2019 | 000-16244 |
| 4 | Open Document | Open Filing | FORM 4 | 30 Apr 2019 | 26 Apr 2019 | 000-20388 |
| 4 | Open Document | Open Filing | FORM 4 | 11 Mar 2019 | 11 Mar 2019 | 000-20388 |
| 4 | Open Document | Open Filing | FORM 4 | 07 Dec 2018 | 07 Dec 2018 | 000-20388 |
| 4 | Open Document | Open Filing | FORM 4 | 09 Nov 2018 | 08 Nov 2018 | 001-04639 |
| 4 | Open Document | Open Filing | FORM 4 | 07 Sep 2018 | 07 Sep 2018 | 000-20388 |
| 4 | Open Document | Open Filing | FORM 4 | 11 Jun 2018 | 08 Jun 2018 | 000-20388 |
| 4 | Open Document | Open Filing | FORM 4 - | 04 May 2018 | 04 May 2018 | 000-16244 |
| 4 | Open Document | Open Filing | FORM 4 | 01 May 2018 | 27 Apr 2018 | 000-20388 |
| 4 | Open Document | Open Filing | FORM 4 | 13 Mar 2018 | 13 Mar 2018 | 000-20388 |
| 4 | Open Document | Open Filing | FORM 4 | 13 Mar 2018 | 12 Mar 2018 | 000-20388 |
| 4 | Open Document | Open Filing | FORM 4 | 03 Jan 2018 | 31 Dec 2017 | 000-20388 |
| 4 | Open Document | Open Filing | FORM 4 | 08 Dec 2017 | 08 Dec 2017 | 000-20388 |
| 4 | Open Document | Open Filing | FORM 4 | 13 Nov 2017 | 09 Nov 2017 | 001-04639 |
| 4 | Open Document | Open Filing | FORM 4 | 11 Sep 2017 | 11 Sep 2017 | 000-20388 |
| 4 | Open Document | Open Filing | FORM 4 | 14 Jun 2017 | 09 Jun 2017 | 000-20388 |
| 4/A | Open Document | Open Filing | FORM 4/A - | 19 May 2017 | 05 May 2017 | 000-16244 |
| 4 | Open Document | Open Filing | FORM 4 - | 09 May 2017 | 05 May 2017 | 000-16244 |
| 4 | Open Document | Open Filing | FORM 4 | 26 Apr 2017 | 25 Apr 2017 | 000-20388 |
| 4 | Open Document | Open Filing | FORM 4 | 25 Apr 2017 | 22 Apr 2017 | 000-20388 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 22 Feb 2017 | 21 Feb 2017 | 000-20388 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 21 Feb 2017 | 17 Feb 2017 | 000-20388 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 17 Feb 2017 | 16 Feb 2017 | 000-20388 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 04 Jan 2017 | 03 Jan 2017 | 000-20388 |
| 4 | Open Document | Open Filing | FORM 4 | 16 Dec 2016 | 14 Dec 2016 | 001-04639 |
| 4 | Open Document | Open Filing | FORM 4 | 14 Nov 2016 | 10 Nov 2016 | 001-04639 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 24 Oct 2016 | 05 Oct 2016 | 000-20388 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 21 Sep 2016 | 20 Sep 2016 | 000-20388 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 20 Sep 2016 | 16 Sep 2016 | 000-20388 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 16 Sep 2016 | 15 Sep 2016 | 000-20388 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 15 Sep 2016 | 13 Sep 2016 | 000-20388 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 24 Jun 2016 | 23 Jun 2016 | 000-20388 |
| 4 | Open Document | Open Filing | FORM 4 - | 06 May 2016 | 06 May 2016 | 000-16244 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 28 Apr 2016 | 26 Apr 2016 | 000-20388 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 27 Apr 2016 | 25 Apr 2016 | 000-20388 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 26 Apr 2016 | 22 Apr 2016 | 000-20388 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 21 Mar 2016 | 18 Mar 2016 | 000-20388 |
| 4 | Open Document | Open Filing | 4 | 14 Dec 2015 | 14 Dec 2015 | 001-04639 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 10 Dec 2015 | 08 Dec 2015 | 000-20388 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 03 Nov 2015 | 30 Oct 2015 | 000-20388 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 02 Nov 2015 | 29 Oct 2015 | 000-20388 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 30 Oct 2015 | 28 Oct 2015 | 000-20388 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 09 Sep 2015 | 04 Sep 2015 | 000-20388 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 08 Jun 2015 | 05 Jun 2015 | 000-20388 |
| 4 | Open Document | Open Filing | FORM 4 - | 15 May 2015 | 14 May 2015 | 000-16244 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 12 May 2015 | 08 May 2015 | 000-20388 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 28 Apr 2015 | 24 Apr 2015 | 000-20388 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 09 Dec 2014 | 05 Dec 2014 | 000-20388 |
| 4 | Open Document | Open Filing | 4 | 09 Dec 2014 | 08 Dec 2014 | 001-04639 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 09 Sep 2014 | 05 Sep 2014 | 000-20388 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 09 Jul 2014 | 07 Jul 2014 | 000-20388 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 06 Jun 2014 | 06 Jun 2014 | 000-20388 |
| 4 | Open Document | Open Filing | FORM 4 - | 09 May 2014 | 07 May 2014 | 000-16244 |
| 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 | PRIMARY DOCUMENT | 11 Mar 2014 | 07 Mar 2014 | 000-20388 |