| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 | Dec 16, 2022 | Mar 3, 2022 | 001-06314 |
| 4 | Open Document | Open Filing | FORM 4 | Dec 17, 2021 | Dec 7, 2021 | 001-06314 |
| 4 | Open Document | Open Filing | FORM 4 | May 28, 2021 | May 27, 2021 | 001-06314 |
| 4 | Open Document | Open Filing | FORM 4 | May 28, 2021 | Mar 20, 2019 | 001-06314 |
| 4 | Open Document | Open Filing | FORM 4 | May 25, 2021 | May 23, 2021 | 001-06314 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 12, 2021 | Mar 10, 2021 | 001-06314 |
| 4 | Open Document | Open Filing | FORM 4 | May 24, 2018 | May 23, 2018 | 001-06314 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 19, 2018 | Mar 15, 2018 | 001-06314 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 31, 2017 | Mar 31, 2017 | 001-06314 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 17, 2017 | Mar 15, 2017 | 001-06314 |
| 4 | Open Document | Open Filing | FORM 4 | Dec 22, 2016 | Dec 20, 2016 | 001-06314 |
| 4 | Open Document | Open Filing | FORM 4 | Dec 18, 2015 | Dec 16, 2015 | 001-06314 |
| 4 | Open Document | Open Filing | FORM 4 | Sep 21, 2015 | Sep 17, 2015 | 001-06314 |
| 4 | Open Document | Open Filing | FORM 4 | Sep 14, 2015 | Sep 10, 2015 | 001-06314 |
| 4 | Open Document | Open Filing | FORM 4 | Jun 19, 2015 | Jun 17, 2015 | 001-06314 |
| 4 | Open Document | Open Filing | FORM 4 | Apr 9, 2015 | Apr 9, 2015 | 001-06314 |
| 4 | Open Document | Open Filing | FORM 4 | Apr 2, 2015 | Apr 2, 2015 | 001-06314 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 17, 2015 | Mar 15, 2015 | 001-06314 |
| 4 | Open Document | Open Filing | FORM 4 | Feb 9, 2015 | Dec 19, 2014 | 001-06314 |
| 4 | Open Document | Open Filing | FORM 4 | Apr 1, 2014 | Mar 30, 2014 | 001-06314 |