| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES | Mar 3, 2022 | Mar 1, 2022 | 001-16407 |
| 4 | Open Document | Open Filing | STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES | Feb 23, 2022 | Feb 18, 2022 | 001-16407 |
| 4 | Open Document | Open Filing | STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES | Jan 5, 2022 | Jan 3, 2022 | 001-16407 |
| 3/A | Open Document | Open Filing | AMENDED INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES | Dec 7, 2021 | Nov 26, 2021 | 001-16407 |
| 3 | Open Document | Open Filing | INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES | Dec 6, 2021 | Nov 26, 2021 | 001-16407 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 23, 2015 | Mar 19, 2015 | 001-16407 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 18, 2015 | Mar 16, 2015 | 001-16407 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 23, 2015 | Feb 19, 2015 | 001-16407 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 19, 2014 | Mar 17, 2014 | 001-16407 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 18, 2014 | Mar 16, 2014 | 001-16407 |