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| Form | Report Date | Filing Date | Description |
|---|---|---|---|
| 8-K | 2026-03-09 | 2026-03-09 | 8-K |
| 8-K | 2026-03-06 | 2026-03-06 | 8-K |
| 8-K | 2026-03-03 | 2026-03-03 | 8-K |
| 8-K | 2026-02-11 | 2026-02-17 | 8-K |
| 8-K | 2026-02-13 | 2026-02-13 | 8-K |
| 8-K | 2026-01-12 | 2026-01-14 | 8-K |
| 10-Q | 2025-09-30 | 2025-11-13 | 10-Q |
| 8-K | 2025-11-04 | 2025-11-05 | 8-K |
| 10-Q | 2025-06-30 | 2025-08-07 | 10-Q |
| 10-Q | 2025-03-31 | 2025-05-08 | 10-Q |
| 8-K | 2025-03-13 | 2025-03-13 | 8-K |
| 10-K | 2024-12-31 | 2025-03-10 | 10-K |
| 8-K | 2025-03-05 | 2025-03-10 | 8-K |
| 8-K | 2025-01-16 | 2025-01-16 | 8-K |
| 8-K | 2024-11-20 | 2024-11-20 | 8-K |
| 10-Q | 2024-09-30 | 2024-11-08 | 10-Q |
| 10-Q | 2024-06-30 | 2024-08-08 | 10-Q |
| 10-Q | 2024-03-31 | 2024-05-09 | 10-Q |
| 8-K | 2024-03-14 | 2024-03-14 | 8-K |
| 10-K | 2023-12-31 | 2024-03-12 | 10-K |
| 8-K | 2024-03-07 | 2024-03-12 | 8-K |
| 8-K | 2024-01-17 | 2024-01-17 | 8-K |
| 8-K | 2023-12-07 | 2023-12-12 | 8-K |
| 8-K | 2023-11-28 | 2023-11-29 | 8-K |
| 10-Q | 2023-09-30 | 2023-11-09 | 10-Q |
| 10-Q | 2023-06-30 | 2023-08-10 | 10-Q |
| 8-K | 2023-06-05 | 2023-06-06 | 8-K |
| 10-Q | 2023-03-31 | 2023-05-11 | 10-Q |
| 8-K | 2023-03-21 | 2023-03-21 | 8-K |
| 10-K | 2022-12-31 | 2023-03-10 | 10-K |
| 8-K | 2023-03-08 | 2023-03-09 | FORM 8-K |
| 8-K | 2023-01-24 | 2023-01-24 | 8-K |
| 8-K | 2022-12-07 | 2022-12-07 | 8-K |
| 10-Q | 2022-09-30 | 2022-11-14 | 10-Q |
| 8-K | 2022-09-06 | 2022-09-08 | 8-K |
| 10-Q | 2022-06-30 | 2022-08-12 | 10-Q |
| 8-K | 2022-07-22 | 2022-07-22 | 8-K |
| 8-K | 2022-06-29 | 2022-06-30 | 8-K |
| 10-Q | 2022-03-31 | 2022-05-12 | 10-Q |
| 8-K | 2022-03-30 | 2022-03-30 | 8-K |
| 10-K | 2021-12-31 | 2022-03-23 | 10-K |
| 8-K | 2022-03-21 | 2022-03-22 | 8-K |
| 8-K | 2021-12-14 | 2021-12-15 | 8-K |
| 10-Q | 2021-09-30 | 2021-11-12 | 10-Q |
| 8-K | 2021-09-24 | 2021-09-28 | 8-K |
| 10-Q | 2021-06-30 | 2021-08-12 | 10-Q |
| 8-K | 2021-05-25 | 2021-05-27 | 8-K |
| 10-Q | 2021-03-31 | 2021-05-14 | 10-Q |
| 8-K | 2021-03-24 | 2021-03-24 | 8-K |
| 10-K | 2020-12-31 | 2021-03-15 | 10-K |
| 8-K | 2021-03-10 | 2021-03-11 | 8-K |
| 8-K | 2021-01-26 | 2021-01-26 | 8-K |
| 8-K | 2020-12-09 | 2020-12-09 | 8-K |
| 8-K | 2020-12-04 | 2020-12-04 | 8-K |
| 10-Q | 2020-09-30 | 2020-11-12 | 10-Q |
| 8-K | 2020-09-29 | 2020-09-29 | 8-K |
| 10-Q | 2020-06-30 | 2020-08-13 | 10-Q |
| 8-K | 2020-06-19 | 2020-06-19 | 8-K |
| 10-Q | 2020-03-31 | 2020-05-14 | 10-Q |
| 8-K | 2020-04-27 | 2020-04-27 | 8-K |
| 8-K | 2020-03-31 | 2020-03-31 | 8-K |
| 10-K | 2019-12-31 | 2020-03-26 | 10-K |
| 8-K | 2020-03-23 | 2020-03-25 | 8-K |
| 8-K | 2020-03-06 | 2020-03-06 | 8-K |
| 8-K | 2019-12-10 | 2019-12-11 | 8-K |
| 10-Q | 2019-09-30 | 2019-11-08 | 10-Q |
| 8-K | 2019-11-01 | 2019-11-07 | 8-K |
| 8-K | 2019-08-27 | 2019-08-27 | 8-K |
| 10-Q | 2019-06-30 | 2019-08-14 | 10-Q |
| 8-K | 2019-05-21 | 2019-05-22 | 8-K |
| 8-K | 2019-05-15 | 2019-05-15 | 8-K |
| 10-Q | 2019-03-31 | 2019-05-13 | 10-Q |
| 10-K | 2018-12-31 | 2019-03-21 | 10-K |
| 8-K | 2019-03-21 | 2019-03-21 | 8-K |
| 8-K | 2019-03-13 | 2019-03-19 | 8-K |
| 8-K | 2019-01-24 | 2019-01-24 | 8-K |
| 8-K | 2018-12-27 | 2019-01-02 | 8-K |
| 8-K | 2018-12-18 | 2018-12-18 | 8-K |
| 10-Q | 2018-09-30 | 2018-11-14 | 10-Q |
| 10-Q | 2018-06-30 | 2018-08-13 | 10-Q |
| 8-K | 2018-06-22 | 2018-06-26 | 8-K |
| 10-Q | 2018-03-31 | 2018-05-10 | 10-Q |
| 8-K | 2018-04-03 | 2018-04-09 | 8-K |
| 10-K | 2017-12-31 | 2018-03-16 | CHP-10K-20171231 |
| 8-K | 2018-02-27 | 2018-03-02 | FORM 8-K |
| 8-K | 2018-02-14 | 2018-02-14 | 8-K |
| 8-K | 2018-02-07 | 2018-02-12 | 8-K |
| 8-K | 2018-01-30 | 2018-02-05 | FORM 8-K |
| 8-K | 2018-01-23 | 2018-01-23 | 8-K |
| 8-K | 2017-12-15 | 2017-12-20 | 8-K |
| 8-K | 2017-12-06 | 2017-12-07 | FORM 8-K |
| 10-Q | 2017-09-30 | 2017-11-09 | 10-Q |
| 8-K | 2017-09-06 | 2017-09-06 | 8-K |
| 10-Q | 2017-06-30 | 2017-08-09 | 10-Q |
| 8-K | 2017-06-12 | 2017-06-14 | FORM 8-K |
| 10-Q | 2017-03-31 | 2017-05-11 | 10-Q |
| 10-K | 2016-12-31 | 2017-03-16 | 10-K |
| 8-K | 2017-02-15 | 2017-02-15 | FORM 8-K |
| 8-K | 2017-02-08 | 2017-02-13 | FORM 8-K |
| 8-K | 2017-01-24 | 2017-01-24 | FORM 8-K |
| 10-Q | 2016-09-30 | 2016-11-10 | 10-Q |
| 10-Q | 2016-06-30 | 2016-08-10 | 10-Q |
| 8-K | 2016-07-21 | 2016-07-25 | FORM 8-K |
| 8-K | 2016-06-22 | 2016-06-27 | FORM 8-K |
| 10-Q | 2016-03-31 | 2016-05-11 | 10-Q |
| 10-K | 2015-12-31 | 2016-03-16 | 10-K |
| 8-K | 2016-02-18 | 2016-02-18 | 8-K |
| 8-K | 2016-02-11 | 2016-02-16 | FORM 8-K |
| 8-K | 2016-02-11 | 2016-02-11 | FORM 8-K |
| 8-K | 2016-01-26 | 2016-01-26 | 8-K |
| 8-K | 2015-11-19 | 2015-11-25 | FORM 8-K |
| 10-Q | 2015-09-30 | 2015-11-12 | 10-Q |
| 8-K | 2015-09-30 | 2015-10-02 | FORM 8-K |
| 8-K | 2015-09-30 | 2015-09-30 | FORM 8-K |
| 10-Q | 2015-06-30 | 2015-08-13 | 10-Q |
| 8-K | 2015-08-06 | 2015-08-06 | FORM 8-K |
| 8-K | 2015-06-24 | 2015-06-24 | FORM 8-K |
| 8-K | 2015-06-19 | 2015-06-22 | FORM 8-K |
| 8-K | 2015-05-22 | 2015-05-22 | FORM 8-K |
| 10-Q | 2015-03-31 | 2015-05-13 | FORM 10-Q |
| 8-K | 2015-03-27 | 2015-03-31 | FORM 8-K |
| 10-K | 2014-12-31 | 2015-03-27 | FORM 10-K |
| 8-K | 2015-02-13 | 2015-02-26 | 8-K |
| 8-K | 2015-01-30 | 2015-02-02 | FORM 8-K |
| 8-K | 2015-01-09 | 2015-01-15 | FORM 8K |
| 8-K | 2014-12-19 | 2014-12-29 | FORM 8-K |
| 8-K | 2014-12-22 | 2014-12-23 | FORM 8-K |
| 8-K | 2014-11-20 | 2014-12-03 | FORM 8-K |
| 8-K | 2014-10-31 | 2014-12-02 | FORM 8-K |
| 10-Q | 2014-09-30 | 2014-11-13 | FORM 10-Q |
| 8-K | 2014-11-07 | 2014-11-07 | FORM 8-K |
| 8-K | 2014-11-04 | 2014-11-04 | FORM 8-K |
| 8-K | 2014-10-31 | 2014-11-04 | FORM 8-K |
| 8-K | 2014-10-30 | 2014-11-03 | FORM 8-K |
| 8-K | 2014-11-03 | 2014-11-03 | FORM 8-K |
| 8-K | 2014-10-28 | 2014-10-28 | FORM 8-K |
| 8-K | 2014-10-21 | 2014-10-21 | FORM 8-K |
| 8-K | 2014-09-29 | 2014-10-06 | FORM 8-K |
| 8-K | 2014-09-18 | 2014-09-24 | FORM 8-K |
| 8-K | 2014-09-17 | 2014-09-17 | FORM 8-K |
| 10-Q | 2014-06-30 | 2014-08-12 | FORM 10-Q |
| 8-K | 2014-06-27 | 2014-07-29 | FORM 8-K |
| 8-K | 2014-06-30 | 2014-07-07 | FORM 8-K |
| 8-K | 2014-07-02 | 2014-07-02 | FORM 8-K |
| 8-K | 2014-06-02 | 2014-07-01 | FORM 8-K |
| 8-K | 2014-06-26 | 2014-06-26 | FORM 8-K |
| 8-K | 2014-05-13 | 2014-05-19 | FORM 8-K |
| 10-Q | 2014-03-31 | 2014-05-12 | FORM 10-Q |
| 8-K | 2014-05-05 | 2014-05-08 | FORM 8-K |
| 8-K | 2014-04-29 | 2014-05-05 | FORM 8-K |
| 8-K | 2014-04-21 | 2014-04-22 | FORM 8-K |
| 8-K | 2014-03-28 | 2014-04-03 | 8-K |
| 10-K | 2013-12-31 | 2014-03-27 | FORM 10K |
| 8-K | 2014-03-03 | 2014-03-07 | FORM 8-K |
| 8-K | 2014-02-28 | 2014-03-06 | FORM 8-K |
| 8-K | 2014-02-27 | 2014-03-05 | FORM 8-K |
| 8-K | 2014-02-06 | 2014-02-11 | FORM 8-K |
| 8-K | 2014-02-03 | 2014-02-07 | 8-K |
| 8-K | 2013-12-23 | 2014-01-30 | FORM 8-K |
| 8-K | 2013-12-06 | 2013-12-11 | FORM 8-K |
| 8-K | 2013-12-10 | 2013-12-10 | FORM 8-K |
| 8-K | 2013-12-02 | 2013-12-06 | FORM 8-K |
| 8-K | 2013-11-25 | 2013-12-02 | FORM 8-K |
| 8-K | 2013-11-21 | 2013-11-26 | FORM 8-K |
| 8-K | 2013-11-11 | 2013-11-15 | FORM 8-K |
| 10-Q | 2013-09-30 | 2013-11-14 | FORM 10-Q |
| 8-K | 2013-10-07 | 2013-10-11 | FORM 8-K |
| 8-K | 2013-08-30 | 2013-09-06 | FORM 8-K |
| 8-K | 2013-08-29 | 2013-09-05 | FORM 8-K |
| 8-K | 2013-08-21 | 2013-08-27 | FORM 8-K |
| 8-K | 2013-08-27 | 2013-08-27 | FORM 8-K |
| 8-K | 2013-08-16 | 2013-08-23 | FORM 8K |
| 8-K | 2013-08-19 | 2013-08-21 | FORM 8-K |
| 8-K | 2013-08-01 | 2013-08-16 | FORM 8-K |
| 10-Q | 2013-06-30 | 2013-08-14 | FORM 10-Q |
| 8-K | 2013-07-10 | 2013-07-16 | FORM 8-K |
| 8-K | 2013-07-03 | 2013-07-10 | FORM 8-K |
| 8-K | 2013-07-01 | 2013-07-08 | FORM 8-K |
| 8-K | 2013-06-26 | 2013-07-02 | FORM 8-K |
| 8-K | 2013-06-27 | 2013-07-02 | FORM 8-K |
| 8-K | 2013-06-21 | 2013-06-27 | FORM 8-K |
| 8-K | 2013-06-14 | 2013-06-20 | FORM 8-K |
| 8-K | 2013-05-31 | 2013-06-06 | FORM 8-K |
| 8-K | 2013-05-08 | 2013-05-14 | FORM 8K |
| 10-Q | 2013-03-31 | 2013-05-14 | FORM 10-Q |
| 8-K | 2013-04-23 | 2013-04-29 | FORM 8-K |
| 8-K | 2013-04-03 | 2013-04-04 | FORM 8-K |
| 8-K | 2013-03-27 | 2013-04-02 | FORM 8-K |
| 10-K | 2012-12-31 | 2013-03-27 | FORM 10-K |
| 8-K | 2013-03-20 | 2013-03-26 | FORM 8 K |
| 8-K | 2013-01-14 | 2013-01-18 | FORM 8-K |
| 8-K | 2013-01-07 | 2013-01-07 | FORM 8-K |
| 8-K | 2012-10-31 | 2012-12-21 | FORM 8-K |
| 8-K | 2012-12-18 | 2012-12-20 | FORM 8-K |
| 8-K | 2012-10-30 | 2012-12-20 | FORM 8-K |
| 8-K | 2012-12-13 | 2012-12-19 | FORM 8-K |
| 10-Q | 2012-09-30 | 2012-11-09 | FORM 10-Q |
| 8-K | 2012-10-31 | 2012-11-06 | FORM 8-K |
| 8-K | 2012-10-30 | 2012-11-05 | FORM 8-K |
| 8-K | 2012-08-31 | 2012-09-07 | FORM 8-K |
| 8-K | 2012-08-31 | 2012-09-07 | FORM 8-K |
| 8-K | 2012-08-29 | 2012-09-05 | FORM 8-K |
| 10-Q | 2012-06-30 | 2012-08-14 | FORM 10-Q |
| 8-K | 2012-07-27 | 2012-07-27 | FORM 8-K |
| 8-K | 2012-06-29 | 2012-07-06 | FORM 8-K |
| 8-K | 2012-06-28 | 2012-07-02 | FORM 8-K |
| 8-K | 2012-06-04 | 2012-06-07 | FORM 8-K |
| 10-Q | 2012-03-31 | 2012-05-11 | FORM 10-Q |
| 8-K | 2012-04-13 | 2012-04-19 | FORM 8-K |
| 8-K | 2012-03-14 | 2012-03-20 | FORM 8-K |
| 8-K | 2012-02-16 | 2012-02-21 | FORM 8-K |
| 10-K | 2011-12-31 | 2012-02-10 | FORM 10-K |
| 8-K | 2012-02-09 | 2012-02-09 | FORM 8-K |
| 8-K | 2011-12-15 | 2011-12-20 | FORM 8-K |
| 10-Q | 2011-09-30 | 2011-11-10 | FORM 10-Q |
| 8-K | 2011-10-05 | 2011-10-05 | FORM 8-K |
| 10-Q | 2011-06-30 | 2011-08-12 | FORM 10-Q |
| 8-K | 2011-08-02 | 2011-08-08 | FORM 8-K |
| 8-K | 2011-07-29 | 2011-08-02 | FORM 8-K |