| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 | Feb 10, 2023 | Feb 9, 2023 | 000-30235 |
| 4 | Open Document | Open Filing | FORM 4 | May 27, 2022 | May 26, 2022 | 000-30235 |
| 4 | Open Document | Open Filing | FORM 4 | Feb 24, 2022 | Feb 22, 2022 | 000-30235 |
| 4 | Open Document | Open Filing | FORM 4 | Nov 23, 2021 | Nov 19, 2021 | 000-30235 |
| 4 | Open Document | Open Filing | FORM 4 | May 28, 2021 | May 27, 2021 | 000-30235 |
| 4 | Open Document | Open Filing | FORM 4 | Feb 17, 2021 | Feb 16, 2021 | 000-30235 |
| 4 | Open Document | Open Filing | FORM 4 | May 22, 2020 | May 21, 2020 | 000-30235 |
| 4 | Open Document | Open Filing | FORM 4 | May 8, 2020 | May 7, 2020 | 000-30235 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 5, 2020 | Mar 3, 2020 | 000-30235 |
| 4 | Open Document | Open Filing | FORM 4 | May 24, 2019 | May 23, 2019 | 000-30235 |
| 4 | Open Document | Open Filing | FORM 4 | Feb 15, 2019 | Feb 14, 2019 | 000-30235 |
| 4 | Open Document | Open Filing | FORM 4 | Jun 1, 2018 | May 30, 2018 | 000-30235 |
| 4 | Open Document | Open Filing | FORM 4 | May 24, 2018 | May 24, 2018 | 000-30235 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 7, 2018 | Mar 5, 2018 | 000-30235 |
| 4 | Open Document | Open Filing | FORM 4 | May 26, 2017 | May 25, 2017 | 000-30235 |
| 4 | Open Document | Open Filing | FORM 4 | May 16, 2017 | May 15, 2017 | 000-30235 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 21, 2017 | Mar 20, 2017 | 000-30235 |
| 4 | Open Document | Open Filing | FORM 4 | Dec 16, 2016 | Dec 16, 2016 | 000-30235 |
| 4 | Open Document | Open Filing | FORM 4 | May 26, 2016 | May 26, 2016 | 000-30235 |
| 4 | Open Document | Open Filing | FORM 4 | Jan 5, 2016 | Jan 4, 2016 | 000-30235 |
| 4 | Open Document | Open Filing | FORM 4 | May 28, 2015 | May 28, 2015 | 000-30235 |
| 4 | Open Document | Open Filing | 4 | Mar 19, 2015 | Mar 17, 2015 | 001-35558 |
| 3 | Open Document | Open Filing | 3 | Jan 6, 2015 | Dec 31, 2014 | 001-35558 |
| 4 | Open Document | Open Filing | FORM 4 | Oct 16, 2014 | Oct 14, 2014 | 000-30235 |
| 4 | Open Document | Open Filing | CARL FELDBAUM | May 30, 2014 | May 29, 2014 | 000-30235 |