| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | 23 Feb 2023 | 07 Feb 2023 | 000-19333 | |
| 4 | Open Document | Open Filing | 05 May 2022 | 29 Apr 2022 | 000-19333 | |
| 4 | Open Document | Open Filing | 05 Apr 2021 | 02 Mar 2021 | 000-19333 | |
| 4 | Open Document | Open Filing | 06 May 2020 | 04 May 2020 | 000-19333 | |
| 4 | Open Document | Open Filing | 01 Aug 2019 | 01 Jan 2019 | 000-19333 | |
| 4 | Open Document | Open Filing | FORM 4 | 29 Aug 2018 | 22 Aug 2018 | 000-19333 |
| 4 | Open Document | Open Filing | FORM 4 | 22 Jan 2018 | 09 Jan 2018 | 000-19333 |
| 4 | Open Document | Open Filing | FORM 4 | 04 Jan 2018 | 31 Dec 2017 | 000-19333 |
| 4 | Open Document | Open Filing | FORM 4 | 20 Dec 2017 | 27 Apr 2017 | 000-19333 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 02 Sep 2016 | 20 Aug 2016 | 000-19333 |