| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Mar 21, 2023 | Mar 20, 2023 | 000-11634 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Mar 17, 2023 | Mar 17, 2023 | 000-11634 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Mar 10, 2023 | Mar 10, 2023 | 000-11634 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Mar 8, 2023 | Mar 7, 2023 | 000-11634 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Aug 17, 2022 | Aug 15, 2022 | 000-11634 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Mar 8, 2022 | Mar 7, 2022 | 000-11634 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Dec 14, 2021 | Dec 14, 2021 | 000-11634 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | May 12, 2021 | May 10, 2021 | 000-11634 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Mar 15, 2021 | Mar 12, 2021 | 000-11634 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Mar 3, 2021 | Mar 1, 2021 | 000-11634 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Nov 12, 2020 | Nov 9, 2020 | 000-11634 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Sep 16, 2020 | Sep 14, 2020 | 000-11634 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | May 15, 2020 | May 15, 2020 | 000-11634 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Mar 24, 2020 | Mar 20, 2020 | 000-11634 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Nov 6, 2019 | Nov 4, 2019 | 000-11634 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Mar 22, 2019 | Mar 19, 2019 | 000-11634 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Mar 15, 2019 | Mar 14, 2019 | 000-11634 |
| 4/A | Open Document | Open Filing | FORM 4/A SUBMISSION | Jun 14, 2018 | Jun 14, 2018 | 000-11634 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jun 14, 2018 | Jun 14, 2018 | 000-11634 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Mar 22, 2018 | Mar 22, 2018 | 000-11634 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Mar 21, 2018 | Mar 20, 2018 | 000-11634 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Mar 19, 2018 | Mar 15, 2018 | 000-11634 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Nov 22, 2017 | Nov 21, 2017 | 000-11634 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Mar 21, 2017 | Mar 18, 2017 | 000-11634 |
| 3 | Open Document | Open Filing | FORM 3 SUBMISSION | Jul 1, 2016 | Jun 24, 2016 | 000-11634 |