| 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 | 03 Jan 2020 | 31 Dec 2019 | 001-07234 |
| 4 | Open Document | Open Filing | FORM 4 | 03 Jan 2019 | 31 Dec 2018 | 001-07234 |
| 4 | Open Document | Open Filing | FORM 4 | 07 Nov 2018 | 05 Nov 2018 | 001-07234 |
| 4 | Open Document | Open Filing | FORM 4 | 03 Jan 2018 | 31 Dec 2017 | 001-07234 |
| 3 | Open Document | Open Filing | FORM 3 | 30 Nov 2017 | 30 Nov 2017 | 001-07234 |