| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | 09 Dec 2022 | 07 Dec 2022 | 000-32917 | |
| 4 | Open Document | Open Filing | 17 Mar 2022 | 15 Mar 2022 | 000-32917 | |
| 4 | Open Document | Open Filing | 06 Aug 2021 | 04 Aug 2021 | 000-32917 | |
| 4 | Open Document | Open Filing | 27 Mar 2020 | 26 Mar 2020 | 000-32917 | |
| 4 | Open Document | Open Filing | 19 Nov 2019 | 18 Nov 2019 | 000-32917 | |
| 4 | Open Document | Open Filing | 17 Jul 2019 | 15 Jul 2019 | 000-32917 | |
| 4 | Open Document | Open Filing | FORM 4 | 13 Nov 2018 | 09 Nov 2018 | 000-32917 |
| 4 | Open Document | Open Filing | FORM 4 | 07 Sep 2017 | 01 Sep 2017 | 000-32917 |
| 4 | Open Document | Open Filing | FORM 4 | 04 Jan 2017 | 01 Jan 2017 | 000-32917 |
| 4 | Open Document | Open Filing | FORM 4 | 05 Jan 2016 | 01 Jan 2016 | 000-32917 |
| 3 | Open Document | Open Filing | FORM 3 | 02 Jul 2015 | 01 Jul 2015 | 000-32917 |