| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 | 30 Dec 2022 | 29 Dec 2022 | 001-08966 |
| 4 | Open Document | Open Filing | FORM 4 | 05 Dec 2022 | 01 Dec 2022 | 001-08966 |
| 4 | Open Document | Open Filing | FORM 4 | 12 Oct 2022 | 10 Oct 2022 | 001-08966 |
| 4 | Open Document | Open Filing | FORM 4 | 06 Sep 2022 | 01 Sep 2022 | 001-08966 |
| 4 | Open Document | Open Filing | FORM 4 | 03 Jun 2022 | 01 Jun 2022 | 001-08966 |
| 4 | Open Document | Open Filing | FORM 4 | 14 Mar 2022 | 10 Mar 2022 | 001-08966 |
| 4 | Open Document | Open Filing | FORM 4 | 03 Mar 2022 | 01 Mar 2022 | 001-08966 |
| 4 | Open Document | Open Filing | FORM 4 | 06 Jan 2022 | 04 Jan 2022 | 001-08966 |
| 4 | Open Document | Open Filing | FORM 4 | 05 Jan 2022 | 03 Jan 2022 | 001-08966 |
| 4 | Open Document | Open Filing | FORM 4 | 03 Dec 2021 | 01 Dec 2021 | 001-08966 |
| 4 | Open Document | Open Filing | FORM 4 | 12 Oct 2021 | 09 Oct 2021 | 001-08966 |
| 4 | Open Document | Open Filing | FORM 4 | 02 Sep 2021 | 01 Sep 2021 | 001-08966 |
| 4 | Open Document | Open Filing | FORM 4 | 03 Jun 2021 | 01 Jun 2021 | 001-08966 |
| 4 | Open Document | Open Filing | FORM 4 | 11 Mar 2021 | 10 Mar 2021 | 001-08966 |
| 4 | Open Document | Open Filing | FORM 4 | 09 Mar 2021 | 05 Mar 2021 | 001-08966 |
| 4 | Open Document | Open Filing | FORM 4 | 03 Mar 2021 | 01 Mar 2021 | 001-08966 |
| 4 | Open Document | Open Filing | FORM 4 | 06 Jan 2021 | 04 Jan 2021 | 001-08966 |
| 4 | Open Document | Open Filing | FORM 4 | 10 Dec 2020 | 08 Dec 2020 | 001-08966 |
| 4 | Open Document | Open Filing | FORM 4 | 03 Dec 2020 | 01 Dec 2020 | 001-08966 |
| 4 | Open Document | Open Filing | FORM 4 | 13 Oct 2020 | 09 Oct 2020 | 001-08966 |
| 4 | Open Document | Open Filing | FORM 4 | 02 Sep 2020 | 01 Sep 2020 | 001-08966 |
| 4 | Open Document | Open Filing | FORM 4 | 03 Jun 2020 | 01 Jun 2020 | 001-08966 |
| 4 | Open Document | Open Filing | FORM 4 | 12 Mar 2020 | 10 Mar 2020 | 001-08966 |
| 4 | Open Document | Open Filing | FORM 4 | 09 Mar 2020 | 05 Mar 2020 | 001-08966 |
| 4 | Open Document | Open Filing | FORM 4 | 04 Mar 2020 | 02 Mar 2020 | 001-08966 |
| 4 | Open Document | Open Filing | FORM 4 | 06 Jan 2020 | 02 Jan 2020 | 001-08966 |
| 4 | Open Document | Open Filing | FORM 4 | 04 Dec 2019 | 02 Dec 2019 | 001-08966 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 11 Oct 2019 | 09 Oct 2019 | 000-08084 |
| 4 | Open Document | Open Filing | FORM 4 | 11 Oct 2019 | 09 Oct 2019 | 001-08966 |
| 3 | Open Document | Open Filing | FORM 3 | 10 Oct 2019 | 09 Oct 2019 | 001-08966 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 11 Mar 2019 | 05 Mar 2019 | 000-08084 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 12 Dec 2017 | 08 Dec 2017 | 000-08084 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 18 Aug 2017 | 16 Aug 2017 | 000-08084 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 25 Jan 2016 | 21 Jan 2016 | 000-08084 |
| 4/A | Open Document | Open Filing | FORM 4/A SUBMISSION | 01 Apr 2015 | 05 Mar 2015 | 000-08084 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 06 Mar 2015 | 05 Mar 2015 | 000-08084 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 23 Jan 2015 | 22 Jan 2015 | 000-08084 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 13 Mar 2014 | 12 Mar 2014 | 000-08084 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 24 Jan 2014 | 23 Jan 2014 | 000-08084 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 28 Jan 2013 | 24 Jan 2013 | 000-08084 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 04 Sep 2012 | 31 Aug 2012 | 333-153910 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 30 Aug 2012 | 29 Aug 2012 | 333-153910 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 29 Aug 2012 | 27 Aug 2012 | 333-153910 |
| 144 | Open Document | Open Filing | FORM 144 | 27 Aug 2012 | ||
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 27 Jan 2012 | 26 Jan 2012 | 333-153910 |