| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 | 03 May 2022 | 01 May 2022 | 001-08495 |
| 4 | Open Document | Open Filing | FORM 4 | 25 Apr 2022 | 21 Apr 2022 | 001-08495 |
| 4 | Open Document | Open Filing | FORM 4 | 14 Apr 2022 | 12 Apr 2022 | 001-08495 |
| 4 | Open Document | Open Filing | FORM 4 | 07 Apr 2022 | 05 Apr 2022 | 001-08495 |
| 4 | Open Document | Open Filing | FORM 4 | 06 May 2021 | 04 May 2021 | 001-08495 |
| 4 | Open Document | Open Filing | FORM 4 | 04 May 2021 | 01 May 2021 | 001-08495 |
| 4 | Open Document | Open Filing | FORM 4 | 22 Apr 2021 | 20 Apr 2021 | 001-08495 |
| 4 | Open Document | Open Filing | FORM 4 | 09 Apr 2021 | 07 Apr 2021 | 001-08495 |
| 4 | Open Document | Open Filing | FORM 4 | 05 May 2020 | 01 May 2020 | 001-08495 |
| 4 | Open Document | Open Filing | FORM 4 | 23 Apr 2020 | 21 Apr 2020 | 001-08495 |
| 4 | Open Document | Open Filing | FORM 4 | 06 Apr 2020 | 02 Apr 2020 | 001-08495 |
| 4 | Open Document | Open Filing | FORM 4 | 10 Jan 2020 | 09 Jan 2020 | 001-08495 |
| 4 | Open Document | Open Filing | 03 May 2019 | 01 May 2019 | 001-08495 | |
| 4 | Open Document | Open Filing | 25 Apr 2019 | 23 Apr 2019 | 001-08495 | |
| 4 | Open Document | Open Filing | 08 Apr 2019 | 05 Apr 2019 | 001-08495 | |
| 4 | Open Document | Open Filing | 04 Apr 2019 | 02 Apr 2019 | 001-08495 | |
| 4 | Open Document | Open Filing | 23 Oct 2018 | 19 Oct 2018 | 001-08495 | |
| 4 | Open Document | Open Filing | 03 May 2018 | 01 May 2018 | 001-08495 | |
| 4 | Open Document | Open Filing | 25 Apr 2018 | 23 Apr 2018 | 001-08495 | |
| 4 | Open Document | Open Filing | 29 Mar 2018 | 27 Mar 2018 | 001-08495 | |
| 4 | Open Document | Open Filing | 22 Feb 2018 | 20 Feb 2018 | 001-08495 | |
| 4 | Open Document | Open Filing | 11 Jul 2017 | 07 Jul 2017 | 001-08495 | |
| 4 | Open Document | Open Filing | 03 May 2017 | 01 May 2017 | 001-08495 | |
| 4 | Open Document | Open Filing | 25 Apr 2017 | 21 Apr 2017 | 001-08495 | |
| 4 | Open Document | Open Filing | 06 Apr 2017 | 04 Apr 2017 | 001-08495 | |
| 4 | Open Document | Open Filing | 01 Aug 2016 | 28 Jul 2016 | 001-08495 | |
| 4 | Open Document | Open Filing | 06 Jul 2016 | 01 Jul 2016 | 001-08495 | |
| 4 | Open Document | Open Filing | 30 Jun 2016 | 28 Jun 2016 | 001-08495 | |
| 4 | Open Document | Open Filing | 03 May 2016 | 01 May 2016 | 001-08495 | |
| 4 | Open Document | Open Filing | 27 Apr 2016 | 25 Apr 2016 | 001-08495 | |
| 4 | Open Document | Open Filing | 06 Apr 2016 | 04 Apr 2016 | 001-08495 | |
| 4 | Open Document | Open Filing | 20 Aug 2015 | 19 Aug 2015 | 001-08495 | |
| 4 | Open Document | Open Filing | 05 May 2015 | 01 May 2015 | 001-08495 | |
| 4 | Open Document | Open Filing | 30 Apr 2015 | 28 Apr 2015 | 001-08495 | |
| 4 | Open Document | Open Filing | 05 May 2014 | 01 May 2014 | 001-08495 | |
| 4 | Open Document | Open Filing | 30 Apr 2014 | 28 Apr 2014 | 001-08495 | |
| 4 | Open Document | Open Filing | 05 Jun 2013 | 03 Jun 2013 | 001-08495 | |
| 3 | Open Document | Open Filing | 29 May 2013 | 20 May 2013 | 001-08495 | |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 21 May 2013 | 17 May 2013 | 001-02116 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 13 May 2013 | 10 May 2013 | 001-02116 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 08 May 2013 | 08 May 2013 | 001-02116 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 06 May 2013 | 03 May 2013 | 001-02116 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 22 Feb 2013 | 20 Feb 2013 | 001-02116 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 27 Aug 2012 | 24 Aug 2012 | 001-02116 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 12 Apr 2012 | 10 Apr 2012 | 001-02116 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 01 Mar 2012 | 28 Feb 2012 | 001-02116 |