| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 144 | Open Document | Open Filing | 144 | Jul 7, 2022 | ||
| 144 | Open Document | Open Filing | 144 | Jun 2, 2022 | ||
| 4 | Open Document | Open Filing | STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES | Apr 21, 2022 | Apr 21, 2022 | 001-05975 |
| 4 | Open Document | Open Filing | STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES | Jan 5, 2022 | Jan 3, 2022 | 001-05975 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jan 6, 2021 | Jan 4, 2021 | 001-05975 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jun 2, 2020 | May 29, 2020 | 001-05975 |
| 144 | Open Document | Open Filing | MTP FORM 144 05/29/2020 | May 29, 2020 | ||
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jan 3, 2020 | Jan 2, 2020 | 001-05975 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jan 3, 2019 | Jan 2, 2019 | 001-05975 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Dec 10, 2018 | Dec 10, 2018 | 000-30684 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jan 3, 2018 | Jan 2, 2018 | 001-05975 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Nov 21, 2017 | Nov 17, 2017 | 000-30684 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 1, 2017 | Feb 27, 2017 | 001-05975 |
| 144 | Open Document | Open Filing | MTP FORM 144 02-24-2017 | Feb 24, 2017 | ||
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jan 4, 2017 | Jan 3, 2017 | 001-05975 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Nov 22, 2016 | Nov 18, 2016 | 000-30684 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jan 5, 2016 | Jan 4, 2016 | 001-05975 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Nov 12, 2015 | Nov 10, 2015 | 000-30684 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 26, 2015 | May 26, 2015 | 000-30684 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jan 5, 2015 | Jan 2, 2015 | 001-05975 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Nov 18, 2014 | Nov 14, 2014 | 000-30684 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 13, 2014 | May 12, 2014 | 001-05975 |
| 144 | Open Document | Open Filing | FORM 144 MTP 05/12/2014 | May 12, 2014 | ||
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jan 16, 2014 | Jan 14, 2014 | 000-30684 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jan 3, 2014 | Dec 31, 2013 | 001-05975 |