| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Oct 5, 2021 | Oct 1, 2021 | 811-04915 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jun 1, 2021 | May 27, 2021 | 001-06033 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | May 25, 2021 | May 21, 2021 | 001-06033 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Apr 6, 2021 | Apr 5, 2021 | 811-04915 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | May 26, 2020 | May 21, 2020 | 001-06033 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | May 28, 2019 | May 23, 2019 | 001-06033 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jan 3, 2019 | Jan 2, 2019 | 811-04915 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | May 29, 2018 | May 24, 2018 | 001-06033 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jun 13, 2017 | Jun 9, 2017 | 001-06033 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | May 30, 2017 | May 25, 2017 | 001-06033 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jun 13, 2016 | Jun 9, 2016 | 001-06033 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jan 28, 2016 | Jan 26, 2016 | 811-22533 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jan 28, 2016 | Jan 26, 2016 | 811-04915 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Sep 3, 2015 | Sep 2, 2015 | 811-22533 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Sep 3, 2015 | Sep 2, 2015 | 811-04915 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jun 15, 2015 | Jun 11, 2015 | 001-06033 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jun 16, 2014 | Jun 12, 2014 | 001-06033 |