| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Mar 17, 2022 | Mar 15, 2022 | 000-07099 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Mar 9, 2022 | Mar 7, 2022 | 000-07099 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | May 11, 2021 | May 7, 2021 | 000-07099 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Apr 5, 2021 | Apr 1, 2021 | 000-07099 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jul 7, 2020 | Jul 2, 2020 | 000-07099 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jun 15, 2020 | May 20, 2020 | 000-07099 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | May 13, 2019 | May 9, 2019 | 000-07099 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Mar 12, 2019 | Mar 8, 2019 | 000-07099 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jun 4, 2018 | Jun 1, 2018 | 000-07099 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Apr 23, 2018 | Apr 19, 2018 | 000-07099 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Feb 13, 2018 | Feb 12, 2018 | 000-07099 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Mar 13, 2017 | Mar 10, 2017 | 000-07099 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jan 13, 2017 | Jan 11, 2017 | 000-07099 |
| 3 | Open Document | Open Filing | FORM 3 SUBMISSION | Jan 12, 2017 | Jan 9, 2017 | 000-07099 |