| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 144 | Open Document | Open Filing | Jul 23, 2024 | |||
| 4 | Open Document | Open Filing | FORM 4 | Mar 19, 2024 | Mar 15, 2024 | 000-15867 |
| 144 | Open Document | Open Filing | Mar 18, 2024 | |||
| 4 | Open Document | Open Filing | FORM 4 | Feb 28, 2024 | Feb 26, 2024 | 000-15867 |
| 144 | Open Document | Open Filing | Feb 27, 2024 | |||
| 4 | Open Document | Open Filing | FORM 4 | Feb 6, 2024 | Feb 2, 2024 | 000-15867 |
| 144 | Open Document | Open Filing | Feb 2, 2024 | |||
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jan 4, 2024 | Jan 2, 2024 | 000-15867 |
| 144 | Open Document | Open Filing | Jan 2, 2024 | |||
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Sep 19, 2023 | Sep 15, 2023 | 000-15867 |
| 144 | Open Document | Open Filing | Sep 19, 2023 | |||
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Aug 29, 2023 | Aug 25, 2023 | 000-15867 |
| 144 | Open Document | Open Filing | Aug 29, 2023 | |||
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Aug 7, 2023 | Aug 3, 2023 | 000-15867 |
| 144 | Open Document | Open Filing | Aug 3, 2023 | |||
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Mar 21, 2023 | Mar 17, 2023 | 000-15867 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Mar 17, 2023 | Mar 15, 2023 | 000-15867 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Mar 1, 2023 | Feb 27, 2023 | 000-15867 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Feb 16, 2023 | Feb 14, 2023 | 000-15867 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Aug 31, 2022 | Aug 29, 2022 | 000-15867 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Aug 29, 2022 | Aug 25, 2022 | 000-15867 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Aug 17, 2022 | Aug 15, 2022 | 000-15867 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Aug 3, 2022 | Aug 1, 2022 | 000-15867 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Aug 1, 2022 | Jul 28, 2022 | 000-15867 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jun 2, 2022 | May 31, 2022 | 000-15867 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Mar 21, 2022 | Mar 17, 2022 | 000-15867 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Mar 17, 2022 | Mar 15, 2022 | 000-15867 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Mar 2, 2022 | Feb 28, 2022 | 000-15867 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Mar 1, 2022 | Feb 25, 2022 | 000-15867 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Feb 24, 2022 | Feb 22, 2022 | 000-15867 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Feb 16, 2022 | Feb 14, 2022 | 000-15867 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Aug 24, 2021 | Aug 23, 2021 | 000-15867 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Aug 20, 2021 | Aug 18, 2021 | 000-15867 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Aug 17, 2021 | Aug 16, 2021 | 000-15867 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Aug 4, 2021 | Aug 2, 2021 | 000-15867 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Apr 2, 2021 | Mar 31, 2021 | 000-15867 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Mar 17, 2021 | Mar 15, 2021 | 000-15867 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Mar 1, 2021 | Feb 25, 2021 | 000-15867 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Feb 24, 2021 | Feb 22, 2021 | 000-15867 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Feb 18, 2021 | Feb 16, 2021 | 000-15867 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Feb 9, 2021 | Feb 8, 2021 | 000-15867 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Aug 26, 2020 | Aug 24, 2020 | 000-15867 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Aug 7, 2020 | Aug 6, 2020 | 000-15867 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Aug 4, 2020 | Jul 31, 2020 | 000-15867 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | May 1, 2020 | Apr 30, 2020 | 000-15867 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Mar 17, 2020 | Mar 15, 2020 | 000-15867 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Feb 25, 2020 | Feb 21, 2020 | 000-15867 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Feb 19, 2020 | Feb 14, 2020 | 000-15867 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Feb 10, 2020 | Feb 6, 2020 | 000-15867 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Dec 23, 2019 | Dec 23, 2019 | 000-15867 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Aug 22, 2019 | Aug 21, 2019 | 000-15867 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Aug 8, 2019 | Aug 6, 2019 | 000-15867 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Aug 6, 2019 | Aug 2, 2019 | 000-15867 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | May 31, 2019 | May 29, 2019 | 000-15867 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Mar 27, 2019 | Mar 25, 2019 | 000-15867 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Mar 19, 2019 | Mar 15, 2019 | 000-15867 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Feb 26, 2019 | Feb 22, 2019 | 000-15867 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Feb 25, 2019 | Feb 21, 2019 | 000-15867 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Feb 12, 2019 | Feb 8, 2019 | 000-15867 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Feb 8, 2019 | Feb 6, 2019 | 000-15867 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Nov 5, 2018 | Nov 1, 2018 | 000-15867 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Sep 19, 2018 | Sep 17, 2018 | 000-15867 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Aug 23, 2018 | Aug 21, 2018 | 000-15867 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Aug 16, 2018 | Aug 15, 2018 | 000-15867 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Aug 9, 2018 | Aug 8, 2018 | 000-15867 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Aug 8, 2018 | Aug 6, 2018 | 000-15867 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | May 1, 2018 | Apr 27, 2018 | 000-15867 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Apr 18, 2018 | Apr 16, 2018 | 000-15867 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Mar 15, 2018 | Mar 15, 2018 | 000-15867 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Feb 23, 2018 | Feb 21, 2018 | 000-15867 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Feb 15, 2018 | Feb 15, 2018 | 000-15867 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Feb 12, 2018 | Feb 8, 2018 | 000-15867 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Feb 8, 2018 | Feb 6, 2018 | 000-15867 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Nov 15, 2017 | Nov 15, 2017 | 000-15867 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Oct 18, 2017 | Oct 16, 2017 | 000-15867 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Sep 19, 2017 | Sep 15, 2017 | 000-15867 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Aug 22, 2017 | Aug 21, 2017 | 000-15867 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Aug 17, 2017 | Aug 15, 2017 | 000-15867 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Aug 10, 2017 | Aug 8, 2017 | 000-15867 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | May 23, 2017 | May 19, 2017 | 000-15867 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Apr 19, 2017 | Apr 17, 2017 | 000-15867 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Mar 17, 2017 | Mar 15, 2017 | 000-15867 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Feb 23, 2017 | Feb 21, 2017 | 000-15867 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Feb 16, 2017 | Feb 15, 2017 | 000-15867 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Feb 9, 2017 | Feb 8, 2017 | 000-15867 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Feb 7, 2017 | Feb 6, 2017 | 000-15867 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Dec 23, 2016 | Dec 22, 2016 | 000-15867 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Oct 18, 2016 | Oct 15, 2016 | 000-15867 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Sep 19, 2016 | Sep 15, 2016 | 000-15867 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Aug 17, 2016 | Aug 15, 2016 | 000-15867 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Aug 10, 2016 | Aug 8, 2016 | 000-15867 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | May 24, 2016 | May 20, 2016 | 000-15867 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Apr 19, 2016 | Apr 15, 2016 | 000-15867 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Mar 17, 2016 | Mar 15, 2016 | 000-15867 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Feb 17, 2016 | Feb 16, 2016 | 000-15867 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Feb 10, 2016 | Feb 8, 2016 | 000-15867 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Oct 19, 2015 | Oct 15, 2015 | 000-15867 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Sep 17, 2015 | Sep 15, 2015 | 000-15867 |
| 3 | Open Document | Open Filing | FORM 3 SUBMISSION | Sep 2, 2015 | Sep 1, 2015 | 000-15867 |