| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Dec 2, 2021 | Nov 30, 2021 | 000-07977 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Nov 24, 2021 | Nov 22, 2021 | 000-07977 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Aug 2, 2021 | Jul 29, 2021 | 000-07977 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jul 27, 2021 | Jul 23, 2021 | 000-07977 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jul 1, 2021 | Jun 29, 2021 | 000-07977 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Apr 1, 2021 | Mar 30, 2021 | 000-07977 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Mar 2, 2021 | Feb 26, 2021 | 000-07977 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jan 7, 2021 | Jan 5, 2021 | 000-07977 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Dec 2, 2020 | Nov 30, 2020 | 000-07977 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Nov 25, 2020 | Nov 23, 2020 | 000-07977 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | May 28, 2020 | May 27, 2020 | 000-07977 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Apr 1, 2020 | Mar 30, 2020 | 000-07977 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jan 7, 2020 | Jan 3, 2020 | 000-07977 |
| 5 | Open Document | Open Filing | FORM 5 SUBMISSION | Dec 16, 2019 | Oct 31, 2019 | 000-07977 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Dec 4, 2019 | Nov 30, 2019 | 000-07977 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Nov 27, 2019 | Nov 25, 2019 | 000-07977 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Oct 17, 2019 | Oct 16, 2019 | 000-07977 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Apr 8, 2019 | Apr 5, 2019 | 000-07977 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Mar 1, 2019 | Feb 28, 2019 | 000-07977 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jan 7, 2019 | Jan 3, 2019 | 000-07977 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Dec 4, 2018 | Nov 30, 2018 | 000-07977 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Nov 28, 2018 | Nov 26, 2018 | 000-07977 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Nov 27, 2018 | Nov 23, 2018 | 000-07977 |
| 4/A | Open Document | Open Filing | PRIMARY DOCUMENT | Jan 29, 2018 | Nov 20, 2017 | 000-07977 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jan 5, 2018 | Jan 3, 2018 | 000-07977 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Dec 4, 2017 | Nov 30, 2017 | 000-07977 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Nov 27, 2017 | Nov 23, 2017 | 000-07977 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Nov 22, 2017 | Nov 20, 2017 | 000-07977 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jan 5, 2017 | Jan 3, 2017 | 000-07977 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Dec 2, 2016 | Nov 30, 2016 | 000-07977 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Nov 28, 2016 | Nov 23, 2016 | 000-07977 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Nov 23, 2016 | Nov 21, 2016 | 000-07977 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Aug 29, 2016 | Aug 29, 2016 | 000-07977 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Aug 26, 2016 | Aug 25, 2016 | 000-07977 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 29, 2016 | Feb 26, 2016 | 000-07977 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jan 6, 2016 | Jan 4, 2016 | 000-07977 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Dec 1, 2015 | Nov 28, 2015 | 000-07977 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Nov 30, 2015 | Nov 25, 2015 | 000-07977 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Nov 25, 2015 | Nov 23, 2015 | 000-07977 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 29, 2015 | May 27, 2015 | 000-07977 |
| 4/A | Open Document | Open Filing | PRIMARY DOCUMENT | May 29, 2015 | Jan 2, 2015 | 000-07977 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jan 6, 2015 | Jan 2, 2015 | 000-07977 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Dec 2, 2014 | Nov 28, 2014 | 000-07977 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Nov 28, 2014 | Nov 25, 2014 | 000-07977 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Nov 26, 2014 | Nov 24, 2014 | 000-07977 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 18, 2014 | Mar 14, 2014 | 000-07977 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jan 7, 2014 | Jan 3, 2014 | 000-07977 |