| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES | May 18, 2023 | May 17, 2023 | 001-07259 |
| 4 | Open Document | Open Filing | STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES | Nov 14, 2022 | Nov 10, 2022 | 001-07259 |
| 4 | Open Document | Open Filing | STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES | Jun 1, 2022 | May 27, 2022 | 001-07259 |
| 4 | Open Document | Open Filing | STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES | May 20, 2022 | May 18, 2022 | 001-07259 |
| 4 | Open Document | Open Filing | STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES | Dec 13, 2021 | Dec 9, 2021 | 001-07259 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 20, 2021 | May 19, 2021 | 001-07259 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 16, 2021 | Mar 15, 2021 | 001-07259 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Nov 10, 2020 | Nov 6, 2020 | 001-07259 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 22, 2020 | May 21, 2020 | 001-07259 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Dec 5, 2019 | Nov 26, 2019 | 001-07259 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 16, 2019 | May 15, 2019 | 001-07259 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Dec 13, 2018 | Dec 12, 2018 | 001-07259 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Nov 20, 2018 | Nov 19, 2018 | 001-07259 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Aug 8, 2018 | Aug 7, 2018 | 001-07259 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 18, 2018 | May 16, 2018 | 001-07259 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Dec 14, 2017 | Dec 13, 2017 | 001-07259 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Nov 9, 2017 | Nov 8, 2017 | 001-07259 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 19, 2017 | May 17, 2017 | 001-07259 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Dec 19, 2016 | Dec 15, 2016 | 001-07259 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Dec 16, 2016 | Nov 30, 2016 | 001-07259 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jun 13, 2016 | Jun 13, 2016 | 001-07259 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jun 9, 2016 | Jun 7, 2016 | 001-07259 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 20, 2016 | May 18, 2016 | 001-07259 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Nov 24, 2015 | Nov 20, 2015 | 001-07259 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Nov 19, 2015 | Nov 16, 2015 | 001-07259 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 14, 2015 | May 13, 2015 | 001-07259 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Dec 16, 2014 | Dec 12, 2014 | 001-07259 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Nov 19, 2014 | Nov 12, 2014 | 001-07259 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Sep 9, 2014 | Aug 29, 2014 | 001-07259 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Aug 28, 2014 | Aug 26, 2014 | 001-07259 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 15, 2014 | May 14, 2014 | 001-07259 |