| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 | 23 Feb 2023 | 22 Feb 2023 | 000-11733 |
| 4 | Open Document | Open Filing | FORM 4 | 27 Jan 2022 | 26 Jan 2022 | 000-11733 |
| 4 | Open Document | Open Filing | FORM 4 | 28 Jan 2021 | 27 Jan 2021 | 000-11733 |
| 4 | Open Document | Open Filing | FORM 4 | 30 Jan 2020 | 29 Jan 2020 | 000-11733 |
| 4 | Open Document | Open Filing | FORM 4 | 31 Jan 2019 | 30 Jan 2019 | 000-11733 |
| 3 | Open Document | Open Filing | FORM 3 | 28 Dec 2018 | 19 Dec 2018 | 000-11733 |
| 4 | Open Document | Open Filing | FORM 4 | 10 Dec 2018 | 07 Dec 2018 | 001-35295 |
| 4 | Open Document | Open Filing | FORM 4 | 19 Sep 2016 | 19 Sep 2016 | 001-35295 |
| 4 | Open Document | Open Filing | FORM 4 | 09 Sep 2016 | 08 Sep 2016 | 001-35295 |
| 4 | Open Document | Open Filing | FORM 4 | 08 Sep 2016 | 07 Sep 2016 | 001-35295 |
| 4 | Open Document | Open Filing | FORM 4 | 07 Sep 2016 | 07 Sep 2016 | 001-35295 |
| 4 | Open Document | Open Filing | FORM 4 | 08 Jun 2016 | 07 Jun 2016 | 001-35295 |
| 4 | Open Document | Open Filing | FORM 4 | 11 Jun 2015 | 09 Jun 2015 | 001-35295 |
| 4 | Open Document | Open Filing | FORM 4 | 04 Jun 2015 | 31 May 2015 | 001-35295 |
| 4 | Open Document | Open Filing | FORM 4 | 02 Apr 2014 | 31 Mar 2014 | 001-35295 |
| 3/A | Open Document | Open Filing | FORM 3/A | 27 Mar 2014 | 18 Mar 2014 | 001-35295 |
| 3 | Open Document | Open Filing | FORM 3 | 26 Mar 2014 | 18 Mar 2014 | 001-35295 |