| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 | May 19, 2025 | May 15, 2025 | 000-22513 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 12, 2025 | Mar 12, 2025 | 000-22513 |
| 4 | Open Document | Open Filing | FORM 4 | May 17, 2024 | May 15, 2024 | 000-22513 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | May 17, 2023 | May 15, 2023 | 000-22513 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 17, 2022 | May 15, 2022 | 000-22513 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 9, 2022 | Mar 9, 2022 | 000-22513 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 18, 2021 | May 15, 2021 | 000-22513 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Oct 5, 2020 | Oct 1, 2020 | 000-22513 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Oct 5, 2020 | Oct 1, 2020 | 000-22513 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jul 2, 2020 | Jul 1, 2020 | 000-22513 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jul 2, 2020 | Jul 1, 2020 | 000-22513 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 19, 2020 | May 15, 2020 | 000-22513 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Apr 3, 2020 | Apr 1, 2020 | 000-22513 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jan 6, 2020 | Jan 2, 2020 | 000-22513 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Oct 8, 2019 | Oct 4, 2019 | 000-22513 |
| 4 | Open Document | Open Filing | FORM 4 | May 17, 2019 | Mar 5, 2019 | 000-22513 |
| 3/A | Open Document | Open Filing | FORM 3/A | May 17, 2019 | Feb 25, 2019 | 000-22513 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 3, 2019 | May 1, 2019 | 001-04601 |
| 4 | Open Document | Open Filing | FORM 4 | Feb 25, 2019 | Feb 25, 2019 | 000-22513 |
| 3 | Open Document | Open Filing | FORM 3 | Feb 25, 2019 | Feb 25, 2019 | 000-22513 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 1, 2018 | May 1, 2018 | 001-04601 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Mar 5, 2018 | Mar 1, 2018 | 001-01183 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jul 26, 2017 | Jul 24, 2017 | 001-01183 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 1, 2017 | May 1, 2017 | 001-04601 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Mar 3, 2017 | Mar 1, 2017 | 001-01183 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Feb 22, 2017 | Feb 17, 2007 | 001-01183 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | May 4, 2016 | May 2, 2016 | 001-01183 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 2, 2016 | May 2, 2016 | 001-04601 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Mar 3, 2016 | Mar 1, 2016 | 001-01183 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Oct 13, 2015 | Oct 8, 2015 | 001-01183 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | May 26, 2015 | May 21, 2015 | 001-01183 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Apr 30, 2015 | Apr 30, 2015 | 001-04601 |
| 3 | Open Document | Open Filing | PRIMARY DOCUMENT | Apr 17, 2015 | Apr 8, 2015 | 001-04601 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Apr 6, 2015 | Apr 2, 2015 | 001-01183 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Mar 3, 2015 | Mar 1, 2015 | 001-01183 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jul 29, 2014 | Jul 25, 2014 | 001-01183 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Mar 4, 2014 | Mar 1, 2014 | 001-01183 |