| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 | Jun 1, 2023 | Jun 1, 2023 | 000-03279 |
| 4 | Open Document | Open Filing | FORM 4 | May 3, 2023 | May 1, 2023 | 000-03279 |
| 4 | Open Document | Open Filing | FORM 4 | Feb 3, 2023 | Feb 1, 2023 | 000-03279 |
| 4 | Open Document | Open Filing | FORM 4 | Nov 3, 2022 | Nov 1, 2022 | 000-03279 |
| 4 | Open Document | Open Filing | FORM 4 | Jul 6, 2022 | Jul 1, 2022 | 000-03279 |
| 4 | Open Document | Open Filing | FORM 4 | Apr 5, 2022 | Apr 1, 2022 | 000-03279 |
| 4 | Open Document | Open Filing | FORM 4 | Jan 5, 2022 | Jan 3, 2022 | 000-03279 |
| 4 | Open Document | Open Filing | FORM 4 | Oct 5, 2021 | Oct 1, 2021 | 000-03279 |
| 4 | Open Document | Open Filing | FORM 4 | Jul 6, 2021 | Jul 1, 2021 | 000-03279 |
| 4 | Open Document | Open Filing | FORM 4 | Apr 5, 2021 | Apr 1, 2021 | 000-03279 |
| 4 | Open Document | Open Filing | FORM 4 | Jan 6, 2021 | Jan 4, 2021 | 000-03279 |
| 4 | Open Document | Open Filing | FORM 4 | Nov 4, 2020 | Nov 2, 2020 | 000-03279 |
| 4 | Open Document | Open Filing | FORM 4 | Oct 5, 2020 | Oct 1, 2020 | 000-03279 |
| 4 | Open Document | Open Filing | FORM 4 | Jul 6, 2020 | Jul 1, 2020 | 000-03279 |
| 4 | Open Document | Open Filing | FORM 4 | Apr 3, 2020 | Apr 1, 2020 | 000-03279 |
| 4 | Open Document | Open Filing | FORM 4 | Jan 6, 2020 | Jan 2, 2020 | 000-03279 |
| 4 | Open Document | Open Filing | FORM 4 | Oct 3, 2019 | Oct 1, 2019 | 000-03279 |
| 4 | Open Document | Open Filing | FORM 4 | Jul 3, 2019 | Jul 1, 2019 | 000-03279 |
| 4 | Open Document | Open Filing | FORM 4 | Apr 2, 2019 | Apr 1, 2019 | 000-03279 |
| 4 | Open Document | Open Filing | FORM 4 | Jan 4, 2019 | Jan 2, 2019 | 000-03279 |
| 4 | Open Document | Open Filing | FORM 4 | Nov 19, 2018 | Nov 16, 2018 | 001-36454 |
| 4 | Open Document | Open Filing | FORM 4 | Nov 2, 2018 | Nov 1, 2018 | 000-03279 |
| 4 | Open Document | Open Filing | FORM 4 | Oct 3, 2018 | Oct 1, 2018 | 000-03279 |
| 4 | Open Document | Open Filing | FORM 4 | Jul 5, 2018 | Jul 2, 2018 | 000-03279 |
| 4 | Open Document | Open Filing | FORM 4 | Apr 4, 2018 | Apr 2, 2018 | 000-03279 |
| 4 | Open Document | Open Filing | FORM 4 | Jan 4, 2018 | Jan 2, 2018 | 000-03279 |
| 4 | Open Document | Open Filing | FORM 4 | Nov 21, 2017 | Nov 17, 2017 | 001-36454 |
| 4 | Open Document | Open Filing | FORM 4 | Oct 4, 2017 | Oct 2, 2017 | 000-03279 |
| 4 | Open Document | Open Filing | FORM 4 | Jul 6, 2017 | Jul 3, 2017 | 000-03279 |
| 4 | Open Document | Open Filing | FORM 4 | Apr 5, 2017 | Apr 3, 2017 | 000-03279 |
| 4 | Open Document | Open Filing | FORM 4 | Jan 4, 2017 | Jan 3, 2017 | 000-03279 |
| 4 | Open Document | Open Filing | FORM 4 | Nov 14, 2016 | Nov 10, 2016 | 001-36454 |
| 4 | Open Document | Open Filing | FORM 4 | Oct 5, 2016 | Oct 3, 2016 | 000-03279 |
| 4 | Open Document | Open Filing | FORM 4 | Jul 6, 2016 | Jul 1, 2016 | 000-03279 |
| 4 | Open Document | Open Filing | FORM 4 | Apr 4, 2016 | Apr 1, 2016 | 000-03279 |
| 4 | Open Document | Open Filing | FORM 4 | Jan 6, 2016 | Jan 4, 2016 | 000-03279 |
| 4 | Open Document | Open Filing | FORM 4 | Nov 24, 2015 | Nov 23, 2015 | 000-03279 |
| 4 | Open Document | Open Filing | FORM 4 | Nov 13, 2015 | Nov 10, 2015 | 001-36454 |
| 4 | Open Document | Open Filing | FORM 4 | Nov 26, 2014 | Nov 25, 2014 | 001-36454 |
| 3 | Open Document | Open Filing | FORM 3 | Oct 31, 2014 | Oct 31, 2014 | 001-36454 |