| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | 02 Dec 2025 | 01 Dec 2025 | 000-23702 | |
| 4 | Open Document | Open Filing | 18 Mar 2025 | 14 Mar 2025 | 000-23702 | |
| 4 | Open Document | Open Filing | 03 Mar 2025 | 28 Feb 2025 | 000-23702 | |
| 4 | Open Document | Open Filing | 03 Feb 2025 | 01 Feb 2025 | 000-23702 | |
| 4 | Open Document | Open Filing | 02 Dec 2024 | 29 Nov 2024 | 000-23702 | |
| 4 | Open Document | Open Filing | 18 Mar 2024 | 15 Mar 2024 | 000-23702 | |
| 144 | Open Document | Open Filing | 15 Mar 2024 | |||
| 4 | Open Document | Open Filing | 04 Mar 2024 | 01 Mar 2024 | 000-23702 | |
| 4 | Open Document | Open Filing | 02 Feb 2024 | 01 Feb 2024 | 000-23702 | |
| 4 | Open Document | Open Filing | 04 Dec 2023 | 01 Dec 2023 | 000-23702 | |
| 4 | Open Document | Open Filing | FORM 4 | 26 Jun 2023 | 22 Jun 2023 | 001-07572 |
| 4 | Open Document | Open Filing | 16 Mar 2023 | 15 Mar 2023 | 000-23702 | |
| 4 | Open Document | Open Filing | 06 Mar 2023 | 05 Mar 2023 | 000-23702 | |
| 4 | Open Document | Open Filing | 02 Mar 2023 | 01 Mar 2023 | 000-23702 | |
| 4 | Open Document | Open Filing | 02 Feb 2023 | 01 Feb 2023 | 000-23702 | |
| 4 | Open Document | Open Filing | 02 Dec 2022 | 01 Dec 2022 | 000-23702 | |
| 4 | Open Document | Open Filing | FORM 4 | 21 Jun 2022 | 16 Jun 2022 | 001-07572 |
| 4 | Open Document | Open Filing | 17 Mar 2022 | 15 Mar 2022 | 000-23702 | |
| 4 | Open Document | Open Filing | 07 Mar 2022 | 05 Mar 2022 | 000-23702 | |
| 4 | Open Document | Open Filing | 03 Mar 2022 | 01 Mar 2022 | 000-23702 | |
| 4 | Open Document | Open Filing | 02 Feb 2022 | 01 Feb 2022 | 000-23702 | |
| 4 | Open Document | Open Filing | 04 Jan 2022 | 31 Dec 2021 | 000-23702 | |
| 4 | Open Document | Open Filing | 28 Dec 2021 | 15 Nov 2021 | 000-23702 | |
| 4 | Open Document | Open Filing | 03 Dec 2021 | 01 Dec 2021 | 000-23702 | |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 21 Jun 2021 | 17 Jun 2021 | 001-07572 |
| 4 | Open Document | Open Filing | 19 Mar 2021 | 17 Mar 2021 | 000-23702 | |
| 4 | Open Document | Open Filing | 16 Mar 2021 | 15 Mar 2021 | 000-23702 | |
| 4 | Open Document | Open Filing | 08 Mar 2021 | 05 Mar 2021 | 000-23702 | |
| 4 | Open Document | Open Filing | 02 Mar 2021 | 01 Mar 2021 | 000-23702 | |
| 4 | Open Document | Open Filing | 02 Feb 2021 | 01 Feb 2021 | 000-23702 | |
| 4 | Open Document | Open Filing | 02 Dec 2020 | 01 Dec 2020 | 000-23702 | |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 14 Sep 2020 | 10 Sep 2020 | 001-07572 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 22 Jun 2020 | 18 Jun 2020 | 001-07572 |
| 4 | Open Document | Open Filing | 18 Mar 2020 | 16 Mar 2020 | 000-23702 | |
| 4 | Open Document | Open Filing | 09 Mar 2020 | 05 Mar 2020 | 000-23702 | |
| 4 | Open Document | Open Filing | 04 Mar 2020 | 02 Mar 2020 | 000-23702 | |
| 4 | Open Document | Open Filing | 03 Feb 2020 | 03 Feb 2020 | 000-23702 | |
| 4 | Open Document | Open Filing | 05 Dec 2019 | 03 Dec 2019 | 000-23702 | |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 24 Jun 2019 | 20 Jun 2019 | 001-07572 |
| 4 | Open Document | Open Filing | 19 Mar 2019 | 15 Mar 2019 | 000-23702 | |
| 4 | Open Document | Open Filing | FORM 4 | 11 Mar 2019 | 07 Mar 2019 | 000-23702 |
| 4 | Open Document | Open Filing | FORM 4 | 05 Feb 2019 | 01 Feb 2019 | 000-23702 |
| 4 | Open Document | Open Filing | FORM 4 | 03 Jan 2019 | 03 Dec 2018 | 000-23702 |
| 4 | Open Document | Open Filing | FORM 4 | 06 Dec 2018 | 03 Dec 2018 | 000-23702 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 27 Jun 2018 | 21 Jun 2018 | 001-07572 |
| 4 | Open Document | Open Filing | FORM 4 | 19 Mar 2018 | 15 Mar 2018 | 000-23702 |
| 4 | Open Document | Open Filing | FORM 4 | 08 Mar 2018 | 06 Mar 2018 | 000-23702 |
| 4 | Open Document | Open Filing | FORM 4 | 05 Dec 2017 | 04 Dec 2017 | 000-23702 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 19 Jun 2017 | 15 Jun 2017 | 001-07572 |
| 4 | Open Document | Open Filing | FORM 4 | 17 Mar 2017 | 15 Mar 2017 | 000-23702 |
| 4 | Open Document | Open Filing | FORM 4 | 07 Mar 2017 | 06 Mar 2017 | 000-23702 |
| 4 | Open Document | Open Filing | FORM 4 | 02 Dec 2016 | 01 Dec 2016 | 000-23702 |
| 4 | Open Document | Open Filing | FORM 4 | 15 Aug 2016 | 12 Aug 2016 | 000-23702 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 20 Jun 2016 | 16 Jun 2016 | 001-07572 |
| 4 | Open Document | Open Filing | FORM 4 | 18 Mar 2016 | 17 Mar 2016 | 000-23702 |
| 4 | Open Document | Open Filing | FORM 4 | 16 Mar 2016 | 14 Mar 2016 | 000-23702 |
| 4 | Open Document | Open Filing | FORM 4 | 09 Mar 2016 | 07 Mar 2016 | 000-23702 |
| 4 | Open Document | Open Filing | FORM 4 | 05 Feb 2016 | 05 Feb 2016 | 000-23702 |
| 4 | Open Document | Open Filing | FORM 4 | 04 Jan 2016 | 31 Dec 2015 | 000-23702 |
| 4 | Open Document | Open Filing | FORM 4 | 02 Dec 2015 | 01 Dec 2015 | 000-23702 |
| 4 | Open Document | Open Filing | FORM 4 | 18 Aug 2015 | 14 Aug 2015 | 000-23702 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 22 Jun 2015 | 18 Jun 2015 | 001-07572 |
| 4 | Open Document | Open Filing | FORM 4 | 18 Mar 2015 | 16 Mar 2015 | 000-23702 |
| 4 | Open Document | Open Filing | FORM 4 | 13 Mar 2015 | 11 Mar 2015 | 000-23702 |
| 4 | Open Document | Open Filing | FORM 4 | 09 Mar 2015 | 05 Mar 2015 | 000-23702 |
| 4/A | Open Document | Open Filing | OWNERSHIP DOCUMENT | 10 Dec 2014 | 04 Dec 2014 | 000-23702 |
| 4 | Open Document | Open Filing | FORM 4 | 05 Dec 2014 | 01 Dec 2014 | 000-23702 |
| 4 | Open Document | Open Filing | FORM 4 | 12 Nov 2014 | 10 Nov 2014 | 000-23702 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 23 Jun 2014 | 19 Jun 2014 | 001-07572 |
| 3 | Open Document | Open Filing | PRIMARY DOCUMENT | 26 Mar 2014 | 24 Mar 2014 | 001-07572 |
| 4 | Open Document | Open Filing | FORM 4 | 20 Mar 2014 | 18 Mar 2014 | 000-23702 |
| 4 | Open Document | Open Filing | FORM 4 | 18 Mar 2014 | 17 Mar 2014 | 000-23702 |