| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 | May 10, 2022 | May 10, 2022 | 001-10312 |
| 4 | Open Document | Open Filing | FORM 4 | Apr 28, 2022 | Apr 27, 2022 | 001-10312 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Apr 26, 2021 | Apr 23, 2021 | 001-10312 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Apr 24, 2020 | Apr 23, 2020 | 001-10312 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Apr 26, 2019 | Apr 25, 2019 | 001-10312 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Oct 25, 2018 | Oct 25, 2018 | 001-10312 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Aug 2, 2018 | Aug 1, 2018 | 001-10312 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Apr 30, 2018 | Apr 26, 2018 | 001-10312 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Nov 21, 2017 | Nov 20, 2017 | 001-10312 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | May 25, 2017 | May 24, 2017 | 001-10312 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Apr 24, 2017 | Apr 20, 2017 | 001-10312 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Nov 17, 2016 | Nov 17, 2016 | 001-10312 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Apr 25, 2016 | Apr 21, 2016 | 001-10312 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Mar 30, 2016 | Mar 30, 2016 | 001-10312 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Nov 9, 2015 | Nov 6, 2015 | 001-10312 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | May 5, 2015 | May 5, 2015 | 001-10312 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Apr 27, 2015 | Apr 23, 2015 | 001-10312 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jul 31, 2014 | Jul 30, 2014 | 001-10312 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Apr 28, 2014 | Apr 24, 2014 | 001-10312 |