| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | May 26, 2022 | May 25, 2022 | 001-13219 | |
| 4 | Open Document | Open Filing | Apr 4, 2022 | Mar 31, 2022 | 001-13219 | |
| 4 | Open Document | Open Filing | Mar 31, 2022 | Mar 29, 2022 | 001-13219 | |
| 4 | Open Document | Open Filing | Mar 14, 2022 | Mar 10, 2022 | 001-13219 | |
| 4 | Open Document | Open Filing | Mar 4, 2022 | Mar 2, 2022 | 001-13219 | |
| 4 | Open Document | Open Filing | Nov 16, 2021 | Nov 15, 2021 | 001-13219 | |
| 4 | Open Document | Open Filing | Mar 31, 2021 | Mar 29, 2021 | 001-13219 | |
| 4 | Open Document | Open Filing | Mar 4, 2021 | Mar 2, 2021 | 001-13219 | |
| 4 | Open Document | Open Filing | Nov 16, 2020 | Nov 15, 2020 | 001-13219 | |
| 4 | Open Document | Open Filing | Sep 14, 2020 | Sep 10, 2020 | 001-13219 | |
| 4 | Open Document | Open Filing | Apr 1, 2020 | Mar 30, 2020 | 001-13219 | |
| 4 | Open Document | Open Filing | Mar 31, 2020 | Mar 29, 2020 | 001-13219 | |
| 4 | Open Document | Open Filing | Nov 19, 2019 | Nov 15, 2019 | 001-13219 | |
| 4 | Open Document | Open Filing | Apr 2, 2019 | Mar 29, 2019 | 001-13219 | |
| 4 | Open Document | Open Filing | Feb 26, 2019 | Feb 24, 2019 | 001-13219 | |
| 4 | Open Document | Open Filing | Nov 19, 2018 | Nov 15, 2018 | 001-13219 | |
| 4 | Open Document | Open Filing | Apr 2, 2018 | Mar 29, 2018 | 001-13219 | |
| 4 | Open Document | Open Filing | Feb 27, 2018 | Feb 24, 2018 | 001-13219 | |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Mar 31, 2017 | Mar 29, 2017 | 001-13219 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Feb 28, 2017 | Feb 24, 2017 | 001-13219 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Mar 31, 2016 | Mar 29, 2016 | 001-13219 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Nov 30, 2015 | Nov 29, 2015 | 001-13219 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Oct 27, 2015 | Oct 24, 2015 | 001-13219 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Sep 9, 2015 | Sep 5, 2014 | 001-13219 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Feb 26, 2015 | Feb 24, 2015 | 001-13219 |
| 5 | Open Document | Open Filing | Jan 30, 2014 | Dec 31, 2013 | 001-13219 |