| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) | 
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 | Jan 4, 2024 | Jan 2, 2024 | 000-17007 | 
| 4 | Open Document | Open Filing | FORM 4 | May 22, 2023 | Feb 21, 2023 | 000-17007 | 
| 4 | Open Document | Open Filing | FORM 4 | Mar 24, 2022 | Mar 21, 2022 | 000-17007 | 
| 4 | Open Document | Open Filing | FORM 4 | Feb 24, 2021 | Feb 18, 2021 | 000-17007 | 
| 4 | Open Document | Open Filing | Aug 28, 2020 | Aug 26, 2020 | 000-17007 | |
| 4 | Open Document | Open Filing | Mar 3, 2020 | Feb 27, 2020 | 000-17007 | |
| 4 | Open Document | Open Filing | FORM 4 | May 16, 2019 | May 14, 2019 | 000-17007 | 
| 4 | Open Document | Open Filing | FORM 4 | May 9, 2019 | Apr 26, 2019 | 000-17007 | 
| 4 | Open Document | Open Filing | FORM 4 | Feb 22, 2019 | Feb 19, 2019 | 000-17007 | 
| 4 | Open Document | Open Filing | FORM 4 | Jan 2, 2019 | Dec 28, 2018 | 000-17007 | 
| 4 | Open Document | Open Filing | FORM 4 | Aug 1, 2018 | Jul 31, 2018 | 000-17007 | 
| 4 | Open Document | Open Filing | FORM 4 | Feb 26, 2018 | Feb 22, 2018 | 000-17007 | 
| 4 | Open Document | Open Filing | FORM 4 | Feb 23, 2018 | Feb 23, 2018 | 000-17007 | 
| 3 | Open Document | Open Filing | FORM 3 | Mar 21, 2017 | Feb 28, 2017 | 000-17007 |