| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 | 25 Oct 2022 | 24 Oct 2022 | 000-06936 |
| 4 | Open Document | Open Filing | FORM 4 | 12 Oct 2022 | 10 Oct 2022 | 000-06936 |
| 4 | Open Document | Open Filing | FORM 4 | 26 Oct 2021 | 22 Oct 2021 | 000-06936 |
| 4 | Open Document | Open Filing | FORM 4 | 14 Oct 2021 | 12 Oct 2021 | 000-06936 |
| 4 | Open Document | Open Filing | FORM 4 | 29 Oct 2020 | 27 Oct 2020 | 000-06936 |
| 4 | Open Document | Open Filing | FORM 4 | 14 Oct 2020 | 12 Oct 2020 | 000-06936 |
| 4 | Open Document | Open Filing | FORM 4 | 28 Oct 2019 | 24 Oct 2019 | 000-06936 |
| 4 | Open Document | Open Filing | FORM 4 | 08 Oct 2019 | 07 Oct 2019 | 000-06936 |
| 4 | Open Document | Open Filing | FORM 4 | 30 Oct 2018 | 26 Oct 2018 | 000-06936 |
| 4 | Open Document | Open Filing | FORM 4 | 10 Oct 2018 | 08 Oct 2018 | 000-06936 |
| 4 | Open Document | Open Filing | FORM 4 | 31 Oct 2017 | 27 Oct 2017 | 000-06936 |
| 4 | Open Document | Open Filing | FORM 4 | 11 Oct 2017 | 09 Oct 2017 | 000-06936 |
| 4 | Open Document | Open Filing | FORM 4 | 20 Sep 2017 | 18 Sep 2017 | 000-06936 |
| 4 | Open Document | Open Filing | FORM 4 | 15 Sep 2017 | 14 Sep 2017 | 000-06936 |
| 144 | Open Document | Open Filing | FORM 144 | 10 Aug 2017 | ||
| 4 | Open Document | Open Filing | FORM 4 | 21 Jun 2017 | 19 Jun 2017 | 000-06936 |
| 4 | Open Document | Open Filing | FORM 4 | 13 Jun 2017 | 09 Jun 2017 | 000-06936 |
| 4 | Open Document | Open Filing | FORM 4 | 05 Jun 2017 | 02 Jun 2017 | 000-06936 |
| 144 | Open Document | Open Filing | FORM 144 | 08 May 2017 | ||
| 4 | Open Document | Open Filing | FORM 4 | 31 Oct 2016 | 28 Oct 2016 | 000-06936 |
| 4 | Open Document | Open Filing | FORM 4 | 12 Oct 2016 | 10 Oct 2016 | 000-06936 |
| 4 | Open Document | Open Filing | FORM 4 | 11 Aug 2016 | 10 Aug 2016 | 000-06936 |
| 144 | Open Document | Open Filing | FORM 144 | 25 Jul 2016 | ||
| 4 | Open Document | Open Filing | FORM 4 | 19 Feb 2016 | 19 Feb 2016 | 000-06936 |
| 144 | Open Document | Open Filing | FORM 144 | 12 Feb 2016 | ||
| 4 | Open Document | Open Filing | FORM 4 | 10 Feb 2016 | 10 Feb 2016 | 000-06936 |
| 144 | Open Document | Open Filing | FORM 144 | 03 Feb 2016 | ||
| 4 | Open Document | Open Filing | FORM 4 | 01 Feb 2016 | 29 Jan 2016 | 000-06936 |
| 144 | Open Document | Open Filing | FORM 144 | 14 Jan 2016 | ||
| 4 | Open Document | Open Filing | FORM 4 | 27 Oct 2015 | 23 Oct 2015 | 000-06936 |
| 4 | Open Document | Open Filing | FORM 4 | 14 Oct 2015 | 12 Oct 2015 | 000-06936 |
| 4 | Open Document | Open Filing | FORM 4 | 21 Jul 2015 | 20 Jul 2015 | 000-06936 |
| 144 | Open Document | Open Filing | FORM 144 | 17 Jul 2015 | ||
| 4 | Open Document | Open Filing | FORM 4 | 26 Mar 2015 | 24 Mar 2015 | 000-06936 |
| 144 | Open Document | Open Filing | FORM 144 | 09 Feb 2015 | ||
| 4 | Open Document | Open Filing | FORM 4 | 04 Dec 2014 | 03 Dec 2014 | 000-06936 |
| 144 | Open Document | Open Filing | FORM 144 | 14 Nov 2014 | ||
| 4 | Open Document | Open Filing | FORM 4 | 28 Oct 2014 | 24 Oct 2014 | 000-06936 |
| 4 | Open Document | Open Filing | FORM 4 | 15 Oct 2014 | 13 Oct 2014 | 000-06936 |
| 4 | Open Document | Open Filing | FORM 4 | 14 Oct 2014 | 13 Oct 2014 | 000-06936 |
| 144 | Open Document | Open Filing | FORM 144 | 12 Aug 2014 |