| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Apr 19, 2024 | Apr 19, 2024 | 001-08951 |
| 4 | Open Document | Open Filing | STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES | Mar 1, 2024 | Feb 29, 2024 | 001-08951 |
| 4 | Open Document | Open Filing | STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES | Feb 5, 2024 | Feb 2, 2024 | 001-08951 |
| 144 | Open Document | Open Filing | Jul 28, 2023 | |||
| 4 | Open Document | Open Filing | STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES | Jul 28, 2023 | Jul 28, 2023 | 001-08951 |
| 4 | Open Document | Open Filing | STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES | May 9, 2023 | May 9, 2023 | 001-08951 |
| 144 | Open Document | Open Filing | May 9, 2023 | |||
| 4 | Open Document | Open Filing | STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES | Feb 6, 2023 | Feb 3, 2023 | 001-08951 |
| 4 | Open Document | Open Filing | STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES | Feb 4, 2022 | Feb 3, 2022 | 001-08951 |
| 4 | Open Document | Open Filing | STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES | Feb 2, 2022 | Feb 1, 2022 | 001-08951 |
| 4 | Open Document | Open Filing | STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES | Aug 13, 2021 | Aug 12, 2021 | 001-08951 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Apr 30, 2021 | Apr 29, 2021 | 001-08951 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 5, 2021 | Feb 4, 2021 | 001-08951 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 5, 2021 | Feb 3, 2021 | 001-08951 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 3, 2021 | Feb 2, 2021 | 001-08951 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 3, 2021 | Feb 1, 2021 | 001-08951 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Aug 18, 2020 | Aug 17, 2020 | 001-08951 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Aug 4, 2020 | Aug 3, 2020 | 001-08951 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 26, 2020 | May 23, 2020 | 001-08951 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 7, 2020 | May 5, 2020 | 001-08951 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 4, 2020 | Feb 3, 2020 | 001-08951 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 4, 2020 | Feb 1, 2020 | 001-08951 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Aug 8, 2019 | Aug 7, 2019 | 001-08951 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 31, 2019 | May 31, 2019 | 001-08951 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 4, 2019 | Feb 1, 2019 | 001-08951 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 8, 2018 | May 8, 2018 | 001-08951 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 5, 2018 | Feb 2, 2018 | 001-08951 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 3, 2017 | Feb 2, 2017 | 001-08951 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jan 27, 2016 | Jan 25, 2016 | 001-08951 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 26, 2015 | May 23, 2015 | 001-08951 |
| 3 | Open Document | Open Filing | PRIMARY DOCUMENT | May 26, 2015 | May 23, 2015 | 001-08951 |