| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 | 05 Jan 2022 | 02 Jan 2022 | 000-27754 |
| 4 | Open Document | Open Filing | FORM 4 | 21 Dec 2021 | 20 Dec 2021 | 000-27754 |
| 4 | Open Document | Open Filing | FORM 4 | 08 Mar 2021 | 05 Mar 2021 | 000-27754 |
| 4 | Open Document | Open Filing | FORM 4 | 05 Jan 2021 | 02 Jan 2021 | 000-27754 |
| 4 | Open Document | Open Filing | FORM 4 | 08 Dec 2020 | 04 Dec 2020 | 000-27754 |
| 4 | Open Document | Open Filing | FORM 4 | 24 Apr 2020 | 22 Apr 2020 | 000-27754 |
| 4 | Open Document | Open Filing | FORM 4 | 06 Jan 2020 | 02 Jan 2020 | 000-27754 |
| 4 | Open Document | Open Filing | FORM 4 | 24 Apr 2019 | 22 Apr 2019 | 000-27754 |
| 4 | Open Document | Open Filing | FORM 4 | 04 Jan 2019 | 02 Jan 2019 | 000-27754 |
| 4 | Open Document | Open Filing | FORM 4 | 14 Jun 2018 | 13 Jun 2018 | 000-27754 |
| 4 | Open Document | Open Filing | FORM 4 | 24 Apr 2018 | 22 Apr 2018 | 000-27754 |
| 4 | Open Document | Open Filing | FORM 4 | 04 Jan 2018 | 02 Jan 2018 | 000-27754 |
| 4 | Open Document | Open Filing | FORM 4 | 14 Jun 2017 | 13 Jun 2017 | 000-27754 |
| 4 | Open Document | Open Filing | FORM 4 | 24 Apr 2017 | 22 Apr 2017 | 000-27754 |
| 4 | Open Document | Open Filing | FORM 4 | 04 Jan 2017 | 02 Jan 2017 | 000-27754 |
| 4 | Open Document | Open Filing | FORM 4 | 15 Jun 2016 | 13 Jun 2016 | 000-27754 |
| 4 | Open Document | Open Filing | FORM 4 | 25 Apr 2016 | 22 Apr 2016 | 000-27754 |
| 4 | Open Document | Open Filing | FORM 4 | 05 Jan 2016 | 02 Jan 2016 | 000-27754 |
| 4 | Open Document | Open Filing | FORM 4 | 15 Jun 2015 | 13 Jun 2015 | 000-27754 |
| 4 | Open Document | Open Filing | FORM 4 | 23 Apr 2015 | 22 Apr 2015 | 000-27754 |
| 3 | Open Document | Open Filing | FORM 3 | 08 Apr 2015 | 01 Apr 2015 | 000-27754 |