| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 | 15 Dec 2025 | 11 Dec 2025 | 000-20827 |
| 4 | Open Document | Open Filing | FORM 4 | 12 Sep 2025 | 11 Sep 2025 | 000-20827 |
| 4 | Open Document | Open Filing | FORM 4 | 20 Jun 2025 | 19 Jun 2025 | 000-20827 |
| 4 | Open Document | Open Filing | FORM 4 | 18 Apr 2025 | 17 Apr 2025 | 000-20827 |
| 4 | Open Document | Open Filing | FORM 4 | 24 Mar 2025 | 20 Mar 2025 | 000-20827 |
| 4 | Open Document | Open Filing | FORM 4 | 20 Dec 2024 | 19 Dec 2024 | 000-20827 |
| 4 | Open Document | Open Filing | FORM 4 | 23 Sep 2024 | 19 Sep 2024 | 000-20827 |
| 4 | Open Document | Open Filing | FORM 4 | 24 Jun 2024 | 20 Jun 2024 | 000-20827 |
| 4 | Open Document | Open Filing | FORM 4 | 19 Apr 2024 | 18 Apr 2024 | 000-20827 |
| 4 | Open Document | Open Filing | FORM 4 | 25 Mar 2024 | 21 Mar 2024 | 000-20827 |
| 4 | Open Document | Open Filing | FORM 4 | 22 Dec 2023 | 21 Dec 2023 | 000-20827 |
| 4 | Open Document | Open Filing | FORM 4 | 25 Sep 2023 | 21 Sep 2023 | 000-20827 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 23 Jun 2023 | 22 Jun 2023 | 000-20827 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 24 Apr 2023 | 20 Apr 2023 | 000-20827 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 27 Mar 2023 | 23 Mar 2023 | 000-20827 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 23 Dec 2022 | 22 Dec 2022 | 000-20827 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 23 Sep 2022 | 22 Sep 2022 | 000-20827 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 27 Jun 2022 | 23 Jun 2022 | 000-20827 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 22 Apr 2022 | 21 Apr 2022 | 000-20827 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 28 Mar 2022 | 24 Mar 2022 | 000-20827 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 28 Dec 2021 | 23 Dec 2021 | 000-20827 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 28 Sep 2021 | 24 Sep 2021 | 000-20827 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 06 Aug 2021 | 04 Aug 2021 | 000-20827 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 26 Apr 2021 | 22 Apr 2021 | 000-20827 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 29 Mar 2021 | 25 Mar 2021 | 000-20827 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 05 Jan 2021 | 31 Dec 2020 | 000-20827 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 28 Sep 2020 | 24 Sep 2020 | 000-20827 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 29 Jun 2020 | 25 Jun 2020 | 000-20827 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 27 Apr 2020 | 23 Apr 2020 | 000-20827 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 30 Mar 2020 | 26 Mar 2020 | 000-20827 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 30 Dec 2019 | 26 Dec 2019 | 000-20827 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 27 Sep 2019 | 26 Sep 2019 | 000-20827 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 01 Jul 2019 | 27 Jun 2019 | 000-20827 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 29 Apr 2019 | 25 Apr 2019 | 000-20827 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 29 Mar 2019 | 28 Mar 2019 | 000-20827 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 28 Dec 2018 | 27 Dec 2018 | 000-20827 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 28 Sep 2018 | 27 Sep 2018 | 000-20827 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 29 Jun 2018 | 28 Jun 2018 | 000-20827 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 27 Apr 2018 | 26 Apr 2018 | 000-20827 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 02 Apr 2018 | 29 Mar 2018 | 000-20827 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 22 Dec 2017 | 21 Dec 2017 | 000-20827 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 29 Sep 2017 | 27 Sep 2017 | 000-20827 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 30 Jun 2017 | 28 Jun 2017 | 000-20827 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 27 Apr 2017 | 25 Apr 2017 | 000-20827 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 03 Apr 2017 | 31 Mar 2017 | 000-20827 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 22 Dec 2016 | 22 Dec 2016 | 000-20827 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 29 Sep 2016 | 29 Sep 2016 | 000-20827 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 05 Jul 2016 | 30 Jun 2016 | 000-20827 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 01 Jul 2016 | 30 Jun 2016 | 000-20827 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 21 Apr 2016 | 19 Apr 2016 | 000-20827 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 01 Apr 2016 | 30 Mar 2016 | 000-20827 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 04 Jan 2016 | 31 Dec 2015 | 000-20827 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 30 Sep 2015 | 29 Sep 2015 | 000-20827 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 30 Jun 2015 | 26 Jun 2015 | 000-20827 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 22 Apr 2015 | 21 Apr 2015 | 000-20827 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 02 Apr 2015 | 31 Mar 2015 | 000-20827 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 31 Dec 2014 | 30 Dec 2014 | 000-20827 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 01 Oct 2014 | 30 Sep 2014 | 000-20827 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 01 Jul 2014 | 30 Jun 2014 | 000-20827 |
| 4 | Open Document | Open Filing | 23 Apr 2014 | 22 Apr 2014 | 000-20827 | |
| 4/A | Open Document | Open Filing | 31 Mar 2014 | 28 Mar 2014 | 000-20827 | |
| 4 | Open Document | Open Filing | 31 Mar 2014 | 28 Mar 2014 | 000-20827 | |
| 4 | Open Document | Open Filing | 02 Jan 2014 | 26 Dec 2013 | 000-20827 |