| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4/A | Open Document | Open Filing | FORM 4/A | Nov 18, 2022 | Nov 17, 2021 | 000-19424 |
| 4 | Open Document | Open Filing | FORM 4 | Nov 17, 2022 | Nov 17, 2021 | 000-19424 |
| 4 | Open Document | Open Filing | FORM 4 | Nov 18, 2021 | Nov 17, 2021 | 000-19424 |
| 4 | Open Document | Open Filing | FORM 4 | Oct 14, 2021 | Oct 13, 2021 | 000-19424 |
| 4 | Open Document | Open Filing | FORM 4 | Feb 24, 2021 | Feb 22, 2021 | 000-19424 |
| 4 | Open Document | Open Filing | FORM 4 | Jan 19, 2021 | Jan 18, 2021 | 000-19424 |
| 4 | Open Document | Open Filing | FORM 4 | Dec 16, 2020 | Dec 15, 2020 | 000-19424 |
| 4 | Open Document | Open Filing | FORM 4 | Dec 13, 2019 | Dec 5, 2019 | 000-19424 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Dec 12, 2018 | Dec 11, 2018 | 000-19424 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Nov 15, 2018 | Nov 13, 2018 | 000-19424 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Dec 14, 2017 | Dec 12, 2017 | 000-19424 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Nov 21, 2017 | Nov 20, 2017 | 000-19424 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Dec 27, 2016 | Dec 23, 2016 | 000-19424 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Dec 9, 2016 | Dec 7, 2016 | 000-19424 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Apr 4, 2016 | Mar 31, 2016 | 000-19424 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Feb 3, 2016 | Feb 1, 2016 | 000-19424 |
| 5 | Open Document | Open Filing | FORM 5 SUBMISSION | Nov 10, 2014 | Sep 30, 2014 | 000-19424 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Feb 20, 2014 | Feb 18, 2014 | 000-19424 |