| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | MERRILL - FORM 4 | Dec 16, 2021 | Dec 16, 2021 | 001-15583 |
| 4 | Open Document | Open Filing | MERRILL - FORM 4 | Dec 15, 2021 | Dec 13, 2021 | 001-15583 |
| 4 | Open Document | Open Filing | MERRILL - FORM 4 | Dec 10, 2021 | Dec 8, 2021 | 001-15583 |
| 4 | Open Document | Open Filing | MERRILL - FORM 4 | Dec 7, 2021 | Dec 3, 2021 | 001-15583 |
| 4 | Open Document | Open Filing | MERRILL - FORM 4 | Nov 24, 2021 | Nov 22, 2021 | 001-15583 |
| 4 | Open Document | Open Filing | MERRILL - FORM 4 | Oct 13, 2021 | Oct 3, 2021 | 001-15583 |
| 4 | Open Document | Open Filing | MERRILL FORM 4 | Nov 25, 2020 | Nov 23, 2020 | 001-15583 |
| 4 | Open Document | Open Filing | FORM 4 - MERRILL - 03.13.2020 | Mar 13, 2020 | Mar 11, 2020 | 001-15583 |
| 4 | Open Document | Open Filing | FORM 4 - MERRILL - 02.07.2020 | Feb 7, 2020 | Feb 5, 2020 | 001-15583 |
| 4 | Open Document | Open Filing | FORM 4 | Nov 22, 2019 | Nov 21, 2019 | 001-15583 |
| 4 | Open Document | Open Filing | FORM 4 - MERRILL - 10.31.2019 | Oct 31, 2019 | Sep 29, 2019 | 001-15583 |
| 4 | Open Document | Open Filing | FORM 4 | Nov 20, 2018 | Nov 19, 2018 | 001-15583 |
| 4 | Open Document | Open Filing | FORM 4 | Feb 1, 2018 | Jan 31, 2018 | 001-15583 |
| 4 | Open Document | Open Filing | FORM 4 | Nov 30, 2017 | Nov 28, 2017 | 001-15583 |
| 4 | Open Document | Open Filing | FORM 4 | Oct 3, 2017 | Oct 1, 2017 | 001-15583 |
| 4 | Open Document | Open Filing | FORM 4 | Jun 14, 2017 | Jun 13, 2017 | 001-15583 |
| 4 | Open Document | Open Filing | FORM 4 | Jan 5, 2016 | Jan 1, 2016 | 001-15583 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Aug 6, 2015 | Aug 5, 2015 | 001-15583 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jun 24, 2015 | Jun 23, 2015 | 001-15583 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Mar 10, 2015 | Mar 9, 2015 | 001-15583 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Nov 20, 2014 | Nov 18, 2014 | 001-15583 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | May 27, 2014 | May 23, 2014 | 001-15583 |