| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| SC 13D/A | Open Document | Open Filing | AMENDMENT NO. 8 TO SCHEDULE 13D | Feb 8, 2022 | ||
| SC 13D/A | Open Document | Open Filing | AMENDMENT NO. 7 TO SCHEDULE 13D | Jan 27, 2022 | ||
| SC 13D/A | Open Document | Open Filing | AMENDMENT NO. 6 TO SCHEDULE 13D | Jan 19, 2022 | ||
| 4 | Open Document | Open Filing | Oct 15, 2021 | Oct 13, 2021 | 000-00261 | |
| 4 | Open Document | Open Filing | Oct 8, 2021 | Oct 5, 2021 | 000-00261 | |
| 4 | Open Document | Open Filing | Oct 4, 2021 | Sep 30, 2021 | 000-00261 | |
| 4 | Open Document | Open Filing | Sep 29, 2021 | Sep 27, 2021 | 000-00261 | |
| SC 13D/A | Open Document | Open Filing | AMENDMENT NO. 5 TO SCHEDULE 13D | Sep 29, 2021 | ||
| 4 | Open Document | Open Filing | Sep 23, 2021 | Sep 21, 2021 | 000-00261 | |
| 4 | Open Document | Open Filing | Sep 20, 2021 | Sep 16, 2021 | 000-00261 | |
| 4 | Open Document | Open Filing | Sep 15, 2021 | Sep 13, 2021 | 000-00261 | |
| 4 | Open Document | Open Filing | Sep 13, 2021 | Sep 8, 2021 | 000-00261 | |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Apr 2, 2021 | Apr 1, 2021 | 000-00261 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jan 5, 2021 | Jan 4, 2021 | 000-00261 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Oct 2, 2020 | Oct 1, 2020 | 000-00261 |
| 4 | Open Document | Open Filing | FORM 4 | Jul 2, 2020 | Jul 1, 2020 | 000-00261 |
| 4 | Open Document | Open Filing | FORM 4 | Apr 2, 2020 | Apr 1, 2020 | 000-00261 |
| 4 | Open Document | Open Filing | FORM 4 | Jan 6, 2020 | Jan 2, 2020 | 000-00261 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Nov 14, 2019 | Nov 12, 2019 | 000-00261 |
| SC 13D/A | Open Document | Open Filing | Oct 17, 2019 | |||
| 4 | Open Document | Open Filing | FORM 4 | Oct 2, 2019 | Oct 2, 2019 | 000-00261 |
| 4 | Open Document | Open Filing | FORM 4 | Jul 2, 2019 | Jul 2, 2019 | 000-00261 |
| 4 | Open Document | Open Filing | FORM 4 | Apr 2, 2019 | Apr 2, 2019 | 000-00261 |
| SC 13D/A | Open Document | Open Filing | SC 13D/A | Feb 13, 2019 | ||
| SC 13D/A | Open Document | Open Filing | SCHEDULE 13D AMENDMENT NO. 1 | Dec 7, 2018 | ||
| SC 13D | Open Document | Open Filing | Nov 29, 2018 | |||
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Oct 16, 2018 | Oct 4, 2018 | 000-00261 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jul 3, 2018 | Jul 3, 2018 | 000-00261 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Apr 4, 2018 | Apr 2, 2018 | 000-00261 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jan 10, 2018 | Jan 9, 2018 | 000-00261 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Oct 4, 2017 | Oct 3, 2017 | 000-00261 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jul 7, 2017 | Jul 6, 2017 | 000-00261 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Apr 6, 2017 | Apr 5, 2017 | 000-00261 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jan 5, 2017 | Jan 5, 2017 | 000-00261 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Oct 6, 2016 | Oct 6, 2016 | 000-00261 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jul 6, 2016 | Jul 5, 2016 | 000-00261 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Apr 6, 2016 | Apr 5, 2016 | 000-00261 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jan 6, 2016 | Jan 6, 2016 | 000-00261 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Oct 6, 2015 | Oct 6, 2015 | 000-00261 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jul 6, 2015 | Jul 6, 2015 | 000-00261 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Apr 6, 2015 | Apr 3, 2015 | 000-00261 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jan 6, 2015 | Jan 5, 2015 | 000-00261 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Oct 6, 2014 | Oct 2, 2014 | 000-00261 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jul 8, 2014 | Jul 8, 2014 | 000-00261 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Apr 3, 2014 | Apr 3, 2014 | 000-00261 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jan 29, 2014 | Jan 29, 2014 | 000-00261 |