| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | Sep 7, 2023 | Sep 5, 2023 | 001-36331 | |
| 4 | Open Document | Open Filing | Aug 7, 2023 | Aug 3, 2023 | 001-36331 | |
| 4 | Open Document | Open Filing | FORM 4 | Jul 1, 2022 | Jun 29, 2022 | 001-36331 |
| 4 | Open Document | Open Filing | FORM 4 | Nov 24, 2021 | Nov 22, 2021 | 001-36331 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jun 7, 2021 | Jun 3, 2021 | 001-36331 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jun 5, 2020 | Jun 3, 2020 | 001-36331 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jun 4, 2019 | Jun 3, 2019 | 001-36331 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Dec 11, 2018 | Dec 7, 2018 | 001-36331 |
| 3 | Open Document | Open Filing | FORM 3 SUBMISSION | Nov 29, 2018 | Nov 19, 2018 | 001-36331 |
| 4/A | Open Document | Open Filing | FORM 4/A SUBMISSION | Jul 31, 2014 | Jul 29, 2014 | 001-16811 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jul 17, 2014 | Jul 15, 2014 | 001-04471 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Feb 18, 2014 | Feb 17, 2014 | 001-16811 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jan 17, 2014 | Jan 15, 2014 | 001-04471 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jan 6, 2014 | Jan 3, 2014 | 001-16811 |
| 3 | Open Document | Open Filing | FORM 3 SUBMISSION | Jan 2, 2014 | Jan 1, 2014 | 001-16811 |