| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Aug 9, 2021 | Aug 6, 2021 | 001-05560 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | May 14, 2021 | May 12, 2021 | 001-05560 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | May 7, 2021 | May 6, 2021 | 001-05560 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Aug 28, 2020 | Aug 26, 2020 | 001-05560 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | May 8, 2020 | May 6, 2020 | 001-05560 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Nov 26, 2019 | Nov 25, 2019 | 001-05560 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Sep 17, 2019 | Sep 12, 2019 | 001-05560 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jun 18, 2019 | Jun 13, 2019 | 001-05560 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | May 10, 2019 | May 8, 2019 | 001-05560 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | May 11, 2018 | May 9, 2018 | 001-05560 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | May 12, 2017 | May 10, 2017 | 001-05560 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Nov 25, 2016 | Nov 23, 2016 | 001-05560 |
| 4/A | Open Document | Open Filing | FORM 4/A SUBMISSION | Nov 15, 2016 | Nov 9, 2016 | 001-05560 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Nov 10, 2016 | Nov 9, 2016 | 001-05560 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Sep 2, 2016 | Sep 1, 2016 | 001-05560 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | May 13, 2016 | May 11, 2016 | 001-05560 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Dec 17, 2015 | Dec 15, 2015 | 001-05560 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | May 29, 2015 | May 27, 2015 | 001-05560 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | May 21, 2015 | May 19, 2015 | 001-05560 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Feb 27, 2015 | Feb 25, 2015 | 001-05560 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jul 23, 2014 | Jul 21, 2014 | 001-05560 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | May 8, 2014 | May 6, 2014 | 001-05560 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jan 23, 2014 | Jan 21, 2014 | 001-05560 |