| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 144 | Open Document | Open Filing | 02 Dec 2025 | |||
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 18 Jul 2025 | 17 Jul 2025 | 000-20853 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 09 Jun 2025 | 07 Jun 2025 | 000-20853 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 25 Apr 2025 | 24 Apr 2025 | 000-20853 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 15 Apr 2025 | 14 Apr 2025 | 000-20853 |
| 144 | Open Document | Open Filing | 14 Apr 2025 | |||
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 14 Jan 2025 | 13 Jan 2025 | 000-20853 |
| 144 | Open Document | Open Filing | 13 Jan 2025 | |||
| 4 | Open Document | Open Filing | FORM 4 | 06 Dec 2024 | 05 Dec 2024 | 001-40863 |
| 4 | Open Document | Open Filing | FORM 4 | 25 Nov 2024 | 22 Nov 2024 | 001-40863 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 07 Oct 2024 | 07 Oct 2024 | 000-20853 |
| 144 | Open Document | Open Filing | 07 Oct 2024 | |||
| 144 | Open Document | Open Filing | 17 Jul 2024 | |||
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 08 Jul 2024 | 08 Jul 2024 | 000-20853 |
| 144 | Open Document | Open Filing | 08 Jul 2024 | |||
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 10 Jun 2024 | 07 Jun 2024 | 000-20853 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 13 May 2024 | 12 May 2024 | 000-20853 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 09 Apr 2024 | 08 Apr 2024 | 000-20853 |
| 144 | Open Document | Open Filing | 08 Apr 2024 | |||
| 144 | Open Document | Open Filing | 15 Mar 2024 | |||
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 09 Jan 2024 | 08 Jan 2024 | 000-20853 |
| 144 | Open Document | Open Filing | 08 Jan 2024 | |||
| 4 | Open Document | Open Filing | FORM 4 | 25 Oct 2023 | 23 Oct 2023 | 001-40863 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 10 Oct 2023 | 09 Oct 2023 | 000-20853 |
| 144 | Open Document | Open Filing | 10 Oct 2023 | |||
| 144 | Open Document | Open Filing | 30 Aug 2023 | |||
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 14 Aug 2023 | 14 Aug 2023 | 000-20853 |
| 144 | Open Document | Open Filing | 14 Aug 2023 | |||
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 16 May 2023 | 12 May 2023 | 000-20853 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 11 May 2023 | 09 May 2023 | 000-20853 |
| 144 | Open Document | Open Filing | 09 May 2023 | |||
| 4 | Open Document | Open Filing | FORM 4 | 01 Sep 2022 | 01 Sep 2022 | 001-40863 |
| 4 | Open Document | Open Filing | FORM 4 | 02 Jun 2022 | 02 Jun 2022 | 001-40863 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 02 Jun 2022 | 02 Jun 2022 | 000-20853 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 16 May 2022 | 13 May 2022 | 000-20853 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 12 Nov 2021 | 10 Nov 2021 | 000-22874 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 02 Sep 2021 | 01 Sep 2021 | 000-20853 |
| 4 | Open Document | Open Filing | FORM 4 | 02 Sep 2021 | 01 Sep 2021 | 000-21154 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 01 Sep 2021 | 31 Aug 2021 | 000-20853 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 08 Jun 2021 | 14 May 2021 | 000-20853 |
| 4 | Open Document | Open Filing | FORM 4 | 16 Nov 2020 | 12 Nov 2020 | 000-22874 |
| 4 | Open Document | Open Filing | FORM 4 | 03 Sep 2020 | 01 Sep 2020 | 000-21154 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 17 Aug 2020 | 14 Aug 2020 | 000-20853 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 19 May 2020 | 15 May 2020 | 000-20853 |
| 4 | Open Document | Open Filing | FORM 4 | 27 Apr 2020 | 27 Apr 2020 | 001-33299 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 27 Feb 2020 | 26 Feb 2020 | 001-33299 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 04 Feb 2020 | 03 Feb 2020 | 001-33299 |
| 4 | Open Document | Open Filing | FORM 4 | 28 Jan 2020 | 27 Jan 2020 | 000-21154 |
| 3 | Open Document | Open Filing | FORM 3 | 28 Jan 2020 | 27 Jan 2020 | 000-21154 |
| 4 | Open Document | Open Filing | FORM 4 | 22 Nov 2019 | 20 Nov 2019 | 000-22874 |
| 3 | Open Document | Open Filing | FORM 3 | 22 Nov 2019 | 20 Nov 2019 | 000-22874 |
| 4 | Open Document | Open Filing | FORM 4 | 26 Jul 2019 | 25 Jul 2019 | 001-33299 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 10 Jul 2019 | 08 Jul 2019 | 001-33299 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 21 Jun 2019 | 06 Jun 2019 | 001-37927 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 21 May 2019 | 17 May 2019 | 000-20853 |
| 4 | Open Document | Open Filing | FORM 4 | 05 Apr 2019 | 04 Apr 2019 | 001-33299 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 08 Jan 2019 | 04 Jan 2019 | 001-33299 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 30 Oct 2018 | 26 Oct 2018 | 001-33299 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 02 Aug 2018 | 31 Jul 2018 | 000-20853 |
| 3 | Open Document | Open Filing | PRIMARY DOCUMENT | 02 Aug 2018 | 31 Jul 2018 | 000-20853 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 27 Jul 2018 | 25 Jul 2018 | 001-33299 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 25 Jul 2018 | 23 Jul 2018 | 001-33299 |
| 4 | Open Document | Open Filing | FORM 4 | 22 Jun 2018 | 20 Jun 2018 | 001-36583 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 07 Jun 2018 | 05 Jun 2018 | 001-37927 |
| 3 | Open Document | Open Filing | FORM 3 SUBMISSION | 07 Jun 2018 | 05 Jun 2018 | 001-37927 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 08 Jan 2018 | 04 Jan 2018 | 001-33299 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 13 Nov 2017 | 08 Nov 2017 | 001-33299 |
| 4 | Open Document | Open Filing | FORM 4 | 22 Jun 2017 | 21 Jun 2017 | 001-36583 |
| 4 | Open Document | Open Filing | FORM 4 | 19 Jun 2017 | 15 Jun 2017 | 001-36583 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 27 Apr 2017 | 25 Apr 2017 | 001-33299 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 24 Feb 2017 | 22 Feb 2017 | 001-33299 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 22 Aug 2016 | 18 Aug 2016 | 001-33299 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 08 Aug 2016 | 04 Aug 2016 | 001-33299 |
| 4 | Open Document | Open Filing | FORM 4 | 17 Jun 2016 | 15 Jun 2016 | 001-36583 |
| 4 | Open Document | Open Filing | FORM 4 | 02 Jun 2016 | 01 Jun 2016 | 001-36583 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 19 May 2016 | 17 May 2016 | 001-33299 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 11 May 2016 | 10 May 2016 | 001-33299 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 29 Feb 2016 | 25 Feb 2016 | 001-33299 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 05 Feb 2016 | 04 Feb 2016 | 001-33299 |
| 4 | Open Document | Open Filing | FORM 4 | 18 Sep 2015 | 17 Sep 2015 | 001-36583 |
| 3 | Open Document | Open Filing | FORM 3 | 03 Aug 2015 | 23 Jul 2015 | 001-36583 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 20 May 2015 | 18 May 2015 | 001-33299 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 13 May 2015 | 12 May 2015 | 001-33299 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 05 Nov 2014 | 03 Nov 2014 | 001-33299 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 27 Aug 2014 | 25 Aug 2014 | 001-33299 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 20 May 2014 | 20 May 2014 | 001-33299 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 27 Feb 2014 | 25 Feb 2014 | 001-33299 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 25 Feb 2014 | 21 Feb 2014 | 001-33299 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 20 Aug 2013 | 16 Aug 2013 | 001-33299 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 04 Jun 2013 | 04 Jun 2013 | 001-33299 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 12 Mar 2013 | 08 Mar 2013 | 001-33299 |
| 4 | Open Document | Open Filing | DORCHAK - 2013-01-31 | 04 Feb 2013 | 31 Jan 2013 | 001-34747 |
| 4 | Open Document | Open Filing | FORM 4 - DORCHAK - 2012-07-31 | 02 Aug 2012 | 31 Jul 2012 | 001-34747 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 30 Jul 2012 | 26 Jul 2012 | 001-33299 |
| 3 | Open Document | Open Filing | DORCHAK - FORM 3 - 2012-05-11.PDF | 18 May 2012 | 11 May 2012 | 001-34747 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 15 May 2012 | 15 May 2012 | 001-33299 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 08 Feb 2012 | 06 Feb 2012 | 001-33299 |