| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | Jul 8, 2024 | Jul 3, 2024 | 001-40597 | |
| 4 | Open Document | Open Filing | May 17, 2024 | May 15, 2024 | 001-40597 | |
| 4 | Open Document | Open Filing | Oct 20, 2023 | Oct 18, 2023 | 001-40597 | |
| 4 | Open Document | Open Filing | Aug 22, 2023 | Mar 7, 2023 | 001-40597 | |
| 4 | Open Document | Open Filing | Aug 5, 2020 | Jul 31, 2020 | 000-54954 | |
| 4/A | Open Document | Open Filing | Nov 19, 2018 | Sep 4, 2018 | 000-54954 | |
| 4 | Open Document | Open Filing | Nov 14, 2018 | Sep 4, 2018 | 000-54954 | |
| 4 | Open Document | Open Filing | Aug 31, 2017 | Jul 27, 2017 | 000-54954 | |
| 4 | Open Document | Open Filing | Jun 6, 2017 | Apr 30, 2017 | 000-54954 | |
| 4 | Open Document | Open Filing | Feb 7, 2017 | Jan 31, 2017 | 000-54954 | |
| 4 | Open Document | Open Filing | Feb 6, 2017 | Oct 31, 2016 | 000-54954 | |
| 4 | Open Document | Open Filing | Sep 28, 2016 | Jul 31, 2016 | 000-54954 | |
| 4 | Open Document | Open Filing | May 17, 2016 | Apr 30, 2016 | 000-54954 | |
| 4 | Open Document | Open Filing | May 4, 2016 | Jan 31, 2016 | 000-54954 | |
| 4 | Open Document | Open Filing | Nov 12, 2015 | Nov 10, 2015 | 000-54954 | |
| 4 | Open Document | Open Filing | Aug 13, 2015 | Aug 10, 2015 | 000-54954 | |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Nov 25, 2014 | Nov 14, 2014 | 000-54954 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Apr 25, 2014 | Apr 23, 2014 | 000-54954 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Apr 16, 2014 | Apr 16, 2014 | 000-54954 |