| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 144 | Open Document | Open Filing | May 10, 2023 | |||
| 4 | Open Document | Open Filing | Mar 3, 2023 | Mar 1, 2023 | 001-06948 | |
| 4 | Open Document | Open Filing | Feb 22, 2023 | Feb 20, 2023 | 001-06948 | |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Mar 3, 2022 | Mar 1, 2022 | 001-06948 |
| 4/A | Open Document | Open Filing | FORM 4/A - | Feb 28, 2022 | Feb 22, 2022 | 001-06948 |
| 4 | Open Document | Open Filing | FORM 4 - | Feb 23, 2022 | Feb 21, 2022 | 001-06948 |
| 4 | Open Document | Open Filing | FORM 4 - | Nov 12, 2021 | Nov 8, 2021 | 001-06948 |
| 4 | Open Document | Open Filing | FORM 4 - | Mar 3, 2021 | Mar 1, 2021 | 001-06948 |
| 4 | Open Document | Open Filing | FORM 4 - | Feb 24, 2021 | Feb 22, 2021 | 001-06948 |
| 4 | Open Document | Open Filing | FORM 4 - | Aug 11, 2020 | Aug 7, 2020 | 001-06948 |
| 4 | Open Document | Open Filing | FORM 4 - | Mar 4, 2020 | Mar 2, 2020 | 001-06948 |
| 4 | Open Document | Open Filing | FORM 4 - | Feb 26, 2020 | Feb 24, 2020 | 001-06948 |
| 4 | Open Document | Open Filing | FORM 4 - | Feb 25, 2020 | Feb 21, 2020 | 001-06948 |
| 4 | Open Document | Open Filing | FORM 4 - | Feb 24, 2020 | Feb 20, 2020 | 001-06948 |
| 4 | Open Document | Open Filing | FORM 4 - | May 13, 2019 | May 9, 2019 | 001-06948 |
| 4 | Open Document | Open Filing | FORM 4 - | Mar 6, 2019 | Mar 4, 2019 | 001-06948 |
| 4 | Open Document | Open Filing | FORM 4 - | Mar 5, 2019 | Mar 1, 2019 | 001-06948 |
| 4 | Open Document | Open Filing | FORM 4 - | Feb 26, 2019 | Feb 22, 2019 | 001-06948 |
| 4 | Open Document | Open Filing | FORM 4 - | Feb 25, 2019 | Feb 21, 2019 | 001-06948 |
| 4 | Open Document | Open Filing | FORM 4 - | Oct 17, 2018 | Oct 15, 2018 | 001-06948 |
| 4 | Open Document | Open Filing | FORM 4 - | Aug 22, 2018 | Aug 20, 2018 | 001-06948 |
| 4 | Open Document | Open Filing | FORM 4 - | Aug 10, 2018 | Aug 8, 2018 | 001-06948 |
| 4 | Open Document | Open Filing | FORM 4 - | Mar 6, 2018 | Mar 2, 2018 | 001-06948 |
| 4 | Open Document | Open Filing | FORM 4 - | Mar 5, 2018 | Mar 1, 2018 | 001-06948 |
| 4 | Open Document | Open Filing | FORM 4 - | Feb 26, 2018 | Feb 22, 2018 | 001-06948 |
| 4 | Open Document | Open Filing | FORM 4 - | Jan 4, 2018 | Jan 2, 2018 | 001-06948 |
| 4 | Open Document | Open Filing | FORM 4 - | Nov 30, 2017 | Mar 10, 2017 | 001-06948 |
| 4 | Open Document | Open Filing | FORM 4 - | Nov 14, 2017 | Nov 10, 2017 | 001-06948 |
| 4 | Open Document | Open Filing | FORM 4 - | Aug 23, 2017 | Aug 21, 2017 | 001-06948 |
| 4/A | Open Document | Open Filing | FORM 4/A - | Mar 6, 2017 | Oct 13, 2015 | 001-06948 |
| 4 | Open Document | Open Filing | FORM 4 - | Mar 3, 2017 | Mar 1, 2017 | 001-06948 |
| 4 | Open Document | Open Filing | FORM 4 - | Jan 9, 2017 | Jan 5, 2017 | 001-06948 |
| 4 | Open Document | Open Filing | FORM 4 - | Jan 5, 2017 | Jan 3, 2017 | 001-06948 |
| 4 | Open Document | Open Filing | FORM 4 - | Aug 31, 2016 | Aug 29, 2016 | 001-06948 |
| 4/A | Open Document | Open Filing | FORM 4/A - | Aug 24, 2016 | Oct 13, 2015 | 001-06948 |
| 4 | Open Document | Open Filing | FORM 4 - | Aug 24, 2016 | Aug 22, 2016 | 001-06948 |
| 4 | Open Document | Open Filing | FORM 4 - | May 16, 2016 | May 12, 2016 | 001-06948 |
| 4 | Open Document | Open Filing | FORM 4 - | Mar 4, 2016 | Mar 2, 2016 | 001-06948 |
| 4 | Open Document | Open Filing | FORM 4 - | Jan 8, 2016 | Jan 6, 2016 | 001-06948 |
| 4 | Open Document | Open Filing | FORM 4 - | Jan 6, 2016 | Jan 4, 2016 | 001-06948 |
| 4 | Open Document | Open Filing | FORM 4 - | Oct 15, 2015 | Oct 13, 2015 | 001-06948 |
| 4 | Open Document | Open Filing | FORM 4 - | Jan 6, 2015 | Jan 2, 2015 | 001-06948 |
| 4 | Open Document | Open Filing | FORM 4 - | Mar 10, 2014 | Mar 6, 2014 | 001-06948 |
| 4 | Open Document | Open Filing | FORM 4 - | Mar 4, 2014 | Mar 1, 2014 | 001-06948 |
| 4/A | Open Document | Open Filing | FORM 4/A - | Jan 14, 2014 | Jan 2, 2014 | 001-06948 |
| 4 | Open Document | Open Filing | FORM 4 - | Jan 6, 2014 | Jan 2, 2014 | 001-06948 |