| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jun 9, 2022 | Jun 8, 2022 | 001-13445 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | May 20, 2021 | May 19, 2021 | 001-13445 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | May 15, 2019 | May 14, 2019 | 001-13445 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | May 11, 2018 | May 10, 2018 | 001-13445 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | May 18, 2017 | May 16, 2017 | 001-13445 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Nov 15, 2016 | Nov 11, 2016 | 001-13445 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | May 20, 2016 | May 19, 2016 | 001-13445 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Mar 4, 2016 | Mar 2, 2016 | 001-13445 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Aug 17, 2015 | Aug 13, 2015 | 001-13445 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | May 22, 2015 | May 21, 2015 | 001-13445 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | May 23, 2014 | May 22, 2014 | 001-13445 |