| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 | May 4, 2023 | May 4, 2023 | 000-33501 |
| 4 | Open Document | Open Filing | FORM 4 | May 2, 2023 | May 2, 2023 | 000-33501 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 16, 2023 | Mar 14, 2023 | 000-33501 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 3, 2023 | Mar 2, 2023 | 000-33501 |
| 4 | Open Document | Open Filing | FORM 4 | Aug 4, 2021 | Aug 4, 2021 | 000-33501 |
| 4 | Open Document | Open Filing | FORM 4 | Dec 7, 2020 | Dec 7, 2020 | 000-33501 |
| 4 | Open Document | Open Filing | FORM 4 | Jun 2, 2020 | Jun 1, 2020 | 000-33501 |
| 4 | Open Document | Open Filing | FORM 4 | Nov 1, 2019 | Oct 31, 2019 | 000-33501 |
| 4 | Open Document | Open Filing | FORM 4 | Feb 11, 2019 | Feb 11, 2019 | 000-33501 |
| 4 | Open Document | Open Filing | FORM 4 | Aug 23, 2018 | Aug 21, 2018 | 000-33501 |
| 144 | Open Document | Open Filing | 144 WIGHT | Aug 23, 2018 | ||
| 4 | Open Document | Open Filing | FORM 4 | Aug 18, 2017 | Aug 16, 2017 | 000-33501 |
| 4 | Open Document | Open Filing | FORM 4 | May 26, 2016 | May 26, 2016 | 000-33501 |
| 144 | Open Document | Open Filing | 144 | Jun 4, 2015 | ||
| 4 | Open Document | Open Filing | FORM 4 | Jun 3, 2015 | Jun 1, 2015 | 000-33501 |
| 4 | Open Document | Open Filing | FORM 4 | Aug 29, 2014 | Aug 28, 2014 | 000-33501 |
| 4 | Open Document | Open Filing | FORM 4 | Apr 29, 2014 | Apr 25, 2014 | 000-33501 |