| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 | May 9, 2022 | May 5, 2022 | 001-07283 |
| 4 | Open Document | Open Filing | FORM 4 | Feb 9, 2022 | Feb 8, 2022 | 001-07283 |
| 4 | Open Document | Open Filing | FORM 4 | May 7, 2021 | May 6, 2021 | 001-07283 |
| 4 | Open Document | Open Filing | FORM 4 | Nov 18, 2020 | Nov 16, 2020 | 001-07283 |
| 4 | Open Document | Open Filing | FORM 4 | May 8, 2020 | May 6, 2020 | 001-07283 |
| 4 | Open Document | Open Filing | FORM 4 | May 10, 2019 | May 8, 2019 | 001-07283 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Apr 18, 2019 | Apr 16, 2019 | 001-34734 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Apr 18, 2019 | Feb 17, 2019 | 001-34734 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Mar 11, 2019 | Mar 7, 2019 | 001-34734 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Nov 14, 2018 | Nov 9, 2018 | 001-34734 |
| 4 | Open Document | Open Filing | FORM 4 | Aug 13, 2018 | Aug 9, 2018 | 001-07283 |
| 4 | Open Document | Open Filing | FORM 4 | May 10, 2018 | May 9, 2018 | 001-07283 |
| 4 | Open Document | Open Filing | FORM 4 | Jun 6, 2017 | Jun 2, 2017 | 001-07283 |
| 4 | Open Document | Open Filing | FORM 4 | May 25, 2017 | May 12, 2017 | 001-07283 |
| 4 | Open Document | Open Filing | FORM 4 | May 11, 2017 | May 10, 2017 | 001-07283 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Mar 2, 2017 | Feb 28, 2017 | 001-34734 |
| 4 | Open Document | Open Filing | FORM 4 | Dec 30, 2016 | Dec 29, 2016 | 001-07283 |
| 4 | Open Document | Open Filing | FORM 4 | May 13, 2016 | May 11, 2016 | 001-07283 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Feb 16, 2016 | Feb 12, 2016 | 001-34734 |
| 5 | Open Document | Open Filing | FORM 5 | Feb 11, 2016 | Dec 31, 2015 | 001-07283 |
| 4 | Open Document | Open Filing | FORM 4 | May 14, 2015 | May 12, 2015 | 001-07283 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Feb 20, 2015 | Feb 18, 2015 | 001-34734 |
| 4 | Open Document | Open Filing | FORM 4 | May 8, 2014 | May 7, 2014 | 001-07283 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 4, 2014 | Feb 28, 2014 | 001-07283 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Feb 25, 2014 | Feb 21, 2014 | 001-34734 |