| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Mar 2, 2023 | Mar 2, 2023 | 001-33451 |
| 4/A | Open Document | Open Filing | FORM 4/A SUBMISSION | Jan 27, 2023 | Jan 19, 2023 | 001-33451 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jan 25, 2023 | Jan 19, 2023 | 001-33451 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jan 23, 2023 | Jan 23, 2023 | 001-33451 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jan 20, 2023 | Jan 19, 2023 | 001-33451 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Oct 25, 2022 | Oct 24, 2022 | 001-33451 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jul 25, 2022 | Jul 22, 2022 | 001-33451 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Apr 25, 2022 | Apr 22, 2022 | 001-33451 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jan 25, 2022 | Jan 24, 2022 | 001-33451 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jan 20, 2022 | Jan 18, 2022 | 001-33451 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jan 25, 2021 | Jan 21, 2021 | 001-33451 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jan 23, 2020 | Jan 21, 2020 | 001-33451 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Nov 4, 2019 | Nov 4, 2019 | 001-33451 |
| 3 | Open Document | Open Filing | FORM 3 SUBMISSION | Nov 4, 2019 | Nov 4, 2019 | 001-33451 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Oct 4, 2017 | Sep 29, 2017 | 000-21244 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Sep 18, 2017 | Sep 14, 2017 | 000-21244 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Sep 12, 2017 | Sep 8, 2017 | 000-21244 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Sep 16, 2016 | Sep 14, 2016 | 000-21244 |
| 3 | Open Document | Open Filing | PRIMARY DOCUMENT | Jul 11, 2016 | Jul 1, 2016 | 000-21244 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Aug 11, 2014 | Aug 7, 2014 | 001-16137 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jan 21, 2014 | Jan 16, 2014 | 001-16137 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jan 8, 2014 | Jan 6, 2014 | 001-16137 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jan 6, 2014 | Jan 3, 2014 | 001-16137 |