| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 | 16 May 2022 | 12 May 2022 | 001-16383 |
| 4 | Open Document | Open Filing | FORM 4 | 30 Dec 2021 | 29 Dec 2021 | 001-16383 |
| 4 | Open Document | Open Filing | FORM 4 | 17 May 2021 | 13 May 2021 | 001-16383 |
| 4 | Open Document | Open Filing | FORM 4 | 18 Mar 2021 | 16 Mar 2021 | 001-16383 |
| 4 | Open Document | Open Filing | FORM 4 | 18 May 2020 | 14 May 2020 | 001-16383 |
| 4 | Open Document | Open Filing | FORM 4 | 07 Jan 2020 | 23 Dec 2019 | 001-16383 |
| 4 | Open Document | Open Filing | FORM 4 | 20 May 2019 | 16 May 2019 | 001-16383 |
| 4 | Open Document | Open Filing | FORM 4 | 28 Dec 2018 | 26 Dec 2018 | 001-16383 |
| 4 | Open Document | Open Filing | FORM 4 | 01 Oct 2018 | 27 Sep 2018 | 001-16383 |
| 4 | Open Document | Open Filing | FORM 4 | 21 May 2018 | 17 May 2018 | 001-16383 |
| 5 | Open Document | Open Filing | FORM 5 | 05 Feb 2018 | 31 Dec 2017 | 001-16383 |
| 4 | Open Document | Open Filing | FORM 4 | 20 Nov 2017 | 16 Nov 2017 | 001-16383 |
| 4 | Open Document | Open Filing | FORM 4 | 22 May 2017 | 18 May 2017 | 001-16383 |
| 4 | Open Document | Open Filing | FORM 4 | 30 Dec 2016 | 28 Dec 2016 | 001-16383 |
| 4 | Open Document | Open Filing | FORM 4 | 05 Dec 2016 | 01 Dec 2016 | 001-16383 |
| 4 | Open Document | Open Filing | FORM 4 | 06 Jun 2016 | 02 Jun 2016 | 001-16383 |
| 4 | Open Document | Open Filing | FORM 4 | 26 May 2016 | 25 May 2016 | 001-33055 |
| 5 | Open Document | Open Filing | FORM 5 | 16 Feb 2016 | 31 Dec 2015 | 001-16383 |
| 4 | Open Document | Open Filing | FORM 4 | 01 Feb 2016 | 28 Jan 2016 | 001-33055 |
| 4 | Open Document | Open Filing | FORM 4 | 07 Jan 2016 | 07 Jan 2016 | 001-33055 |
| 4 | Open Document | Open Filing | FORM 4 | 04 Jan 2016 | 01 Jan 2016 | 001-33055 |
| 4 | Open Document | Open Filing | FORM 4 | 15 Jun 2015 | 11 Jun 2015 | 001-16383 |
| 4/A | Open Document | Open Filing | FORM 4/A | 22 Apr 2015 | 26 Jan 2015 | 001-33055 |
| 4 | Open Document | Open Filing | FORM 4 | 27 Mar 2015 | 25 Mar 2015 | 001-16383 |
| 4 | Open Document | Open Filing | FORM 4 | 28 Jan 2015 | 26 Jan 2015 | 001-33055 |
| 4 | Open Document | Open Filing | FORM 4 | 05 Jan 2015 | 01 Jan 2015 | 001-33055 |
| 4 | Open Document | Open Filing | FORM 4 | 02 Jan 2015 | 30 Dec 2014 | 001-16383 |
| 4 | Open Document | Open Filing | FORM 4 | 15 Sep 2014 | 11 Sep 2014 | 001-16383 |
| 4 | Open Document | Open Filing | FORM 4 | 21 Aug 2014 | 15 Aug 2014 | 001-16383 |
| 4 | Open Document | Open Filing | FORM 4 | 07 Mar 2014 | 05 Mar 2014 | 001-16383 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 30 Jan 2014 | 29 Jan 2014 | 001-33055 |
| 4 | Open Document | Open Filing | FORM 4 | 03 Jan 2014 | 31 Dec 2013 | 001-16383 |
| 4 | Open Document | Open Filing | STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES | 02 Jan 2014 | 01 Jan 2014 | 001-33055 |