| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 | 18 Oct 2021 | 14 Oct 2021 | 001-07234 |
| 4 | Open Document | Open Filing | FORM 4 | 05 Apr 2021 | 01 Apr 2021 | 001-07234 |
| 4 | Open Document | Open Filing | FORM 4 | 06 Jan 2021 | 04 Jan 2021 | 001-07234 |
| 4 | Open Document | Open Filing | FORM 4 | 21 Jul 2020 | 17 Jul 2020 | 001-07234 |
| 4 | Open Document | Open Filing | FORM 4 | 03 Apr 2020 | 01 Apr 2020 | 001-07234 |
| 4 | Open Document | Open Filing | FORM 4 | 30 Mar 2020 | 26 Mar 2020 | 001-07234 |
| 4 | Open Document | Open Filing | FORM 4 | 06 Jan 2020 | 02 Jan 2020 | 001-07234 |
| 4 | Open Document | Open Filing | FORM 4 | 04 Jan 2019 | 02 Jan 2019 | 001-07234 |
| 3 | Open Document | Open Filing | FORM 3 | 16 Aug 2018 | 08 Aug 2018 | 001-07234 |