| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 | 08 Jun 2023 | 06 Jun 2023 | 000-24429 |
| 4 | Open Document | Open Filing | FORM 4 | 09 May 2023 | 08 May 2023 | 000-24429 |
| 144 | Open Document | Open Filing | 08 May 2023 | |||
| 4 | Open Document | Open Filing | FORM 4 | 09 Jun 2022 | 07 Jun 2022 | 000-24429 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 17 May 2022 | 13 May 2022 | 001-03754 |
| 4 | Open Document | Open Filing | FORM 4 | 01 Mar 2022 | 25 Feb 2022 | 000-24429 |
| 4 | Open Document | Open Filing | FORM 4 | 03 Jun 2021 | 01 Jun 2021 | 000-24429 |
| 4 | Open Document | Open Filing | FORM 4 - | 25 May 2021 | 25 May 2021 | 001-08931 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 18 May 2021 | 20 Apr 2021 | 001-03754 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 12 Jan 2021 | 11 Jan 2021 | 001-03754 |
| 4 | Open Document | Open Filing | FORM 4 - | 01 Dec 2020 | 27 Nov 2020 | 001-08931 |
| 4 | Open Document | Open Filing | FORM 4 | 30 Nov 2020 | 25 Nov 2020 | 000-24429 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 13 Oct 2020 | 09 Oct 2020 | 001-03754 |
| 4 | Open Document | Open Filing | FORM 4 - | 05 Oct 2020 | 01 Oct 2020 | 001-08931 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 13 Jul 2020 | 10 Jul 2020 | 001-03754 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 04 Jun 2020 | 02 Jun 2020 | 000-24429 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 19 May 2020 | 15 May 2020 | 001-03754 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 13 Apr 2020 | 09 Apr 2020 | 001-03754 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 16 Mar 2020 | 12 Mar 2020 | 001-03754 |
| 4 | Open Document | Open Filing | FORM 4 - | 13 Mar 2020 | 12 Mar 2020 | 001-08931 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 25 Feb 2020 | 21 Feb 2020 | 000-24429 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 13 Jan 2020 | 10 Jan 2020 | 001-03754 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 17 Dec 2019 | 13 Dec 2019 | 000-24429 |
| 4 | Open Document | Open Filing | FORM 4 - | 03 Dec 2019 | 29 Nov 2019 | 001-08931 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 15 Oct 2019 | 10 Oct 2019 | 001-03754 |
| 4 | Open Document | Open Filing | FORM 4 - | 03 Oct 2019 | 01 Oct 2019 | 001-08931 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 11 Jul 2019 | 11 Jul 2019 | 001-03754 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 06 Jun 2019 | 04 Jun 2019 | 000-24429 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 17 May 2019 | 15 May 2019 | 001-03754 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 11 Apr 2019 | 11 Apr 2019 | 001-03754 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 11 Jan 2019 | 11 Jan 2019 | 001-03754 |
| 4 | Open Document | Open Filing | FORM 4 - | 26 Nov 2018 | 21 Nov 2018 | 001-08931 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 17 Oct 2018 | 15 Oct 2018 | 001-03754 |
| 4 | Open Document | Open Filing | FORM 4 - | 03 Oct 2018 | 01 Oct 2018 | 001-08931 |
| 4 | Open Document | Open Filing | FORM 4 | 12 Jul 2018 | 12 Jul 2018 | 001-03754 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 07 Jun 2018 | 05 Jun 2018 | 000-24429 |
| 4 | Open Document | Open Filing | FORM 4 | 17 May 2018 | 15 May 2018 | 001-03754 |
| 4 | Open Document | Open Filing | FORM 4 | 13 Apr 2018 | 13 Apr 2018 | 001-03754 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 08 Mar 2018 | 06 Mar 2018 | 000-24429 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 21 Feb 2018 | 16 Feb 2018 | 000-24429 |
| 5 | Open Document | Open Filing | FORM 5 SUBMISSION | 05 Feb 2018 | 31 Dec 2017 | 000-24429 |
| 4 | Open Document | Open Filing | FORM 4 | 12 Jan 2018 | 12 Jan 2018 | 001-03754 |
| 4 | Open Document | Open Filing | FORM 4 - | 13 Dec 2017 | 27 Nov 2017 | 001-08931 |
| 4 | Open Document | Open Filing | FORM 4 | 13 Oct 2017 | 13 Oct 2017 | 001-03754 |
| 4 | Open Document | Open Filing | FORM 4 - | 03 Oct 2017 | 01 Oct 2017 | 001-08931 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 09 Aug 2017 | 07 Aug 2017 | 000-24429 |
| 4 | Open Document | Open Filing | FORM 4 | 14 Jul 2017 | 13 Jul 2017 | 001-03754 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 09 Jun 2017 | 07 Jun 2017 | 000-24429 |
| 4 | Open Document | Open Filing | FORM 4 | 17 May 2017 | 15 May 2017 | 001-03754 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 16 May 2017 | 12 May 2017 | 000-24429 |
| 4 | Open Document | Open Filing | FORM 4 | 13 Apr 2017 | 13 Apr 2017 | 001-03754 |
| 4 | Open Document | Open Filing | FORM 4 - | 22 Feb 2017 | 20 Feb 2017 | 001-08931 |
| 3 | Open Document | Open Filing | FORM 3 - | 21 Feb 2017 | 20 Feb 2017 | 001-08931 |
| 4 | Open Document | Open Filing | FORM 4 | 23 Jan 2017 | 23 Jan 2017 | 001-03754 |
| 4 | Open Document | Open Filing | FORM 4 | 12 Oct 2016 | 12 Oct 2016 | 001-03754 |
| 4 | Open Document | Open Filing | FORM 4 | 25 Jul 2016 | 21 Jul 2016 | 001-03754 |
| 4 | Open Document | Open Filing | FORM 4 | 14 Jul 2016 | 13 Jul 2016 | 001-03754 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 17 Jun 2016 | 15 Jun 2016 | 000-24429 |
| 4 | Open Document | Open Filing | FORM 4 | 05 May 2016 | 03 May 2016 | 001-03754 |
| 4 | Open Document | Open Filing | FORM 4 | 26 Apr 2016 | 22 Apr 2016 | 001-32594 |
| 4 | Open Document | Open Filing | FORM 4 | 14 Apr 2016 | 13 Apr 2016 | 001-03754 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 16 Mar 2016 | 14 Mar 2016 | 000-24429 |
| 4 | Open Document | Open Filing | FORM 4 | 23 Jul 2015 | 22 Jul 2015 | 001-03754 |
| 3 | Open Document | Open Filing | FORM 3 | 23 Jul 2015 | 22 Jul 2015 | 001-03754 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 04 Jun 2015 | 02 Jun 2015 | 000-24429 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 14 May 2015 | 12 May 2015 | 000-24429 |
| 4 | Open Document | Open Filing | FORM 4 | 08 May 2015 | 06 May 2015 | 001-32594 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 09 Mar 2015 | 05 Mar 2015 | 000-24429 |
| 5 | Open Document | Open Filing | FORM 5 SUBMISSION | 27 Jan 2015 | 31 Dec 2014 | 000-24429 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 05 Jun 2014 | 03 Jun 2014 | 000-24429 |
| 4 | Open Document | Open Filing | FORM 4 | 07 May 2014 | 05 May 2014 | 001-32594 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 06 Jun 2013 | 04 Jun 2013 | 000-24429 |
| 4 | Open Document | Open Filing | FORM 4 | 10 May 2013 | 08 May 2013 | 001-32594 |
| 4 | Open Document | Open Filing | FORM 4 | 07 May 2013 | 04 May 2013 | 001-32594 |
| 4 | Open Document | Open Filing | FORM 4 | 30 Nov 2012 | 29 Nov 2012 | 001-32594 |
| 3 | Open Document | Open Filing | FORM 3 | 30 Nov 2012 | 29 Nov 2012 | 001-32594 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 07 Jun 2012 | 05 Jun 2012 | 000-24429 |