| 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 | 001-01023 |
| 4 | Open Document | Open Filing | FORM 4 | Jan 5, 2022 | Jan 3, 2022 | 001-01023 |
| 4 | Open Document | Open Filing | FORM 4 | Jan 6, 2021 | Jan 4, 2021 | 001-01023 |
| 4 | Open Document | Open Filing | FORM 4 | Jan 6, 2020 | Jan 2, 2020 | 001-01023 |
| 4 | Open Document | Open Filing | FORM 4 | Jul 30, 2019 | Jul 26, 2019 | 001-08529 |
| 4 | Open Document | Open Filing | FORM 4 | May 7, 2019 | May 3, 2019 | 001-08529 |
| 4 | Open Document | Open Filing | FORM 4 | Jan 23, 2019 | Jan 18, 2019 | 001-08529 |
| 4 | Open Document | Open Filing | FORM 4 | Jan 4, 2019 | Jan 2, 2019 | 001-01023 |
| 4 | Open Document | Open Filing | FORM 4 | Oct 31, 2018 | Oct 29, 2018 | 001-08529 |
| 4 | Open Document | Open Filing | FORM 4 | Aug 1, 2018 | Jul 31, 2018 | 001-08529 |
| 4 | Open Document | Open Filing | FORM 4 | Jul 17, 2018 | Jul 13, 2018 | 001-08529 |
| 4 | Open Document | Open Filing | FORM 4 | Apr 24, 2018 | Apr 20, 2018 | 001-08529 |
| 4 | Open Document | Open Filing | FORM 4 | Jan 23, 2018 | Jan 19, 2018 | 001-08529 |
| 4 | Open Document | Open Filing | FORM 4 | Jan 4, 2018 | Jan 2, 2018 | 001-01023 |
| 4 | Open Document | Open Filing | FORM 4 | Oct 31, 2017 | Oct 27, 2017 | 001-08529 |
| 4 | Open Document | Open Filing | FORM 4 | Jul 27, 2017 | Jul 25, 2017 | 001-08529 |
| 4 | Open Document | Open Filing | FORM 4 | Jul 18, 2017 | Jul 14, 2017 | 001-08529 |
| 4 | Open Document | Open Filing | FORM 4 | Apr 25, 2017 | Apr 21, 2017 | 001-08529 |
| 4 | Open Document | Open Filing | FORM 4 | Jan 18, 2017 | Jan 13, 2017 | 001-08529 |
| 4 | Open Document | Open Filing | Jan 4, 2017 | Jan 3, 2017 | 001-01023 | |
| 4 | Open Document | Open Filing | FORM 4 | Nov 1, 2016 | Oct 28, 2016 | 001-08529 |
| 4 | Open Document | Open Filing | FORM 4 | Jul 28, 2016 | Jul 26, 2016 | 001-08529 |
| 4 | Open Document | Open Filing | FORM 4 | Jul 13, 2016 | Jul 11, 2016 | 001-08529 |
| 4 | Open Document | Open Filing | FORM 4 | Apr 19, 2016 | Apr 15, 2016 | 001-08529 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jan 20, 2016 | Jan 15, 2016 | 001-08529 |
| 4 | Open Document | Open Filing | Jan 5, 2016 | Jan 4, 2016 | 001-01023 | |
| 4 | Open Document | Open Filing | FORM 4 | Nov 3, 2015 | Oct 30, 2015 | 001-08529 |
| 4 | Open Document | Open Filing | FORM 4 | Jul 30, 2015 | Jul 28, 2015 | 001-08529 |
| 4 | Open Document | Open Filing | FORM 4 | Jul 21, 2015 | Jul 17, 2015 | 001-08529 |
| 4 | Open Document | Open Filing | FORM 4 | Apr 21, 2015 | Apr 17, 2015 | 001-08529 |
| 4 | Open Document | Open Filing | FORM 4 | Jan 21, 2015 | Jan 16, 2015 | 001-08529 |
| 4 | Open Document | Open Filing | Jan 6, 2015 | Jan 5, 2015 | 001-01023 | |
| 4 | Open Document | Open Filing | FORM 4 | Nov 4, 2014 | Oct 31, 2014 | 001-08529 |
| 4 | Open Document | Open Filing | FORM 4 | Jul 30, 2014 | Jul 29, 2014 | 001-08529 |
| 4 | Open Document | Open Filing | FORM 4 | Jul 22, 2014 | Jul 18, 2014 | 001-08529 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Apr 23, 2014 | Apr 21, 2014 | 001-08529 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jan 14, 2014 | Jan 10, 2014 | 001-08529 |
| 4 | Open Document | Open Filing | Jan 3, 2014 | Jan 2, 2014 | 001-01023 |