| 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 | Nov 9, 2021 | Nov 5, 2021 | 001-12725 |
| 4 | Open Document | Open Filing | STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES | Jun 11, 2018 | Jun 8, 2018 | 001-13417 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | May 4, 2018 | May 2, 2018 | 001-13417 |
| 4 | Open Document | Open Filing | STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES | Feb 13, 2018 | Feb 9, 2018 | 001-13417 |
| 4 | Open Document | Open Filing | STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES | Sep 8, 2017 | Sep 6, 2017 | 001-13417 |
| 4 | Open Document | Open Filing | STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES | Jun 10, 2016 | Jun 9, 2016 | 001-13417 |
| 3 | Open Document | Open Filing | INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES | Nov 17, 2015 | Nov 16, 2015 | 001-13417 |
| 4 | Open Document | Open Filing | STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES | Mar 18, 2015 | Mar 16, 2015 | 001-12725 |
| 4 | Open Document | Open Filing | STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES | Mar 17, 2015 | Mar 13, 2015 | 001-12725 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Oct 30, 2014 | Oct 28, 2014 | 001-12725 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Sep 2, 2014 | Aug 28, 2014 | 001-12725 |
| 4/A | Open Document | Open Filing | PRIMARY DOCUMENT | Aug 22, 2014 | Jan 29, 2014 | 001-12725 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jun 5, 2014 | Jun 3, 2014 | 001-12725 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 27, 2014 | May 22, 2014 | 001-12725 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 22, 2014 | May 20, 2014 | 001-12725 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 12, 2014 | May 8, 2014 | 001-12725 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 8, 2014 | May 6, 2014 | 001-12725 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 6, 2014 | May 2, 2014 | 001-12725 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jan 31, 2014 | Jan 29, 2014 | 001-12725 |