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| Form | Report Date | Filing Date | Description |
|---|---|---|---|
| 8-K | 2026-08-28 | 2026-08-28 | 8-K |
| 8-K | 2026-08-17 | 2026-08-17 | 8-K |
| 8-K | 2026-08-17 | 2026-08-17 | 8-K |
| 10-Q | 2026-06-30 | 2026-08-05 | 10-Q |
| 8-K | 2026-08-05 | 2026-08-05 | 8-K |
| 8-K | 2026-06-12 | 2026-06-15 | 8-K |
| 8-K | 2026-05-27 | 2026-06-01 | 8-K |
| 10-Q | 2026-03-31 | 2026-05-11 | 10-Q |
| 8-K | 2026-05-11 | 2026-05-11 | 8-K |
| 10-K | 2025-12-31 | 2026-03-09 | 10-K |
| 8-K | 2026-03-09 | 2026-03-09 | 8-K |
| 8-K | 2026-02-12 | 2026-02-17 | 8-K |
| 8-K | 2026-02-04 | 2026-02-04 | 8-K |
| 8-K | 2026-01-23 | 2026-01-23 | FORM 8-K |
| 8-K | 2026-01-13 | 2026-01-13 | 8-K |
| 8-K | 2025-11-13 | 2025-11-13 | 8-K |
| 10-Q | 2025-09-30 | 2025-11-06 | 10-Q |
| 8-K | 2025-11-06 | 2025-11-06 | 8-K |
| 8-K | 2025-09-05 | 2025-09-08 | 8-K |
| 10-Q | 2025-06-30 | 2025-08-07 | 10-Q |
| 8-K | 2025-08-07 | 2025-08-07 | 8-K |
| 8-K | 2025-06-30 | 2025-07-03 | 8-K |
| 8-K | 2025-06-11 | 2025-06-13 | FORM 8-K |
| 8-K | 2025-05-29 | 2025-05-30 | 8-K |
| 10-Q | 2025-03-31 | 2025-05-12 | 10-Q |
| 8-K | 2025-05-12 | 2025-05-12 | 8-K |
| 8-K | 2025-04-22 | 2025-04-25 | 8-K |
| 8-K | 2025-04-16 | 2025-04-22 | 8-K |
| 8-K | 2025-04-11 | 2025-04-14 | 8-K |
| 8-K | 2025-03-31 | 2025-04-01 | 8-K |
| 10-K | 2024-12-31 | 2025-03-17 | 10-K |
| 8-K | 2025-03-11 | 2025-03-13 | 8-K |
| 8-K | 2025-03-10 | 2025-03-10 | 8-K |
| 8-K | 2025-03-04 | 2025-03-04 | 8-K |
| 8-K | 2025-01-13 | 2025-01-13 | 8-K |
| 8-K | 2024-11-27 | 2024-12-04 | 8-K |
| 8-K | 2024-12-02 | 2024-12-03 | FORM 8-K |
| 10-Q | 2024-09-30 | 2024-11-06 | 10-Q |
| 8-K | 2024-11-06 | 2024-11-06 | 8-K |
| 8-K | 2024-09-13 | 2024-09-13 | 8-K |
| 10-Q | 2024-06-30 | 2024-08-08 | 10-Q |
| 8-K | 2024-08-07 | 2024-08-08 | 8-K |
| 8-K | 2024-06-27 | 2024-07-02 | 8-K |
| 8-K | 2024-06-26 | 2024-06-27 | 8-K |
| 8-K | 2024-05-31 | 2024-06-05 | 8-K |
| 8-K | 2024-05-29 | 2024-06-04 | 8-K |
| 10-Q | 2024-03-31 | 2024-05-09 | 10-Q |
| 8-K | 2024-05-09 | 2024-05-09 | 8-K |
| 8-K | 2024-05-08 | 2024-05-09 | 8-K |
| 10-K | 2023-12-31 | 2024-03-15 | 10-K |
| 8-K | 2024-03-13 | 2024-03-13 | 8-K |
| 8-K | 2024-03-01 | 2024-03-04 | 8-K |
| 8-K | 2024-02-20 | 2024-02-22 | 8-K |
| 8-K | 2024-02-05 | 2024-02-05 | 8-K |
| 8-K | 2024-01-19 | 2024-01-22 | 8-K |
| 8-K | 2024-01-10 | 2024-01-10 | 8-K |
| 8-K | 2024-01-10 | 2024-01-10 | 8-K |
| 8-K | 2023-12-26 | 2023-12-27 | FORM 8-K |
| 8-K | 2023-12-09 | 2023-12-11 | 8-K |
| 8-K | 2023-12-07 | 2023-12-07 | 8-K |
| 8-K | 2023-11-27 | 2023-11-27 | 8-K |
| 10-Q | 2023-09-30 | 2023-11-06 | 10-Q |
| 8-K | 2023-11-06 | 2023-11-06 | 8-K |
| 8-K | 2023-10-27 | 2023-10-27 | 8-K |
| 8-K | 2023-10-24 | 2023-10-27 | 8-K |
| 8-K | 2023-10-04 | 2023-10-06 | 8-K |
| 8-K | 2023-09-11 | 2023-09-12 | FORM 8-K |
| 8-K | 2023-09-08 | 2023-09-08 | 8-K |
| 10-Q | 2023-06-30 | 2023-08-02 | 10-Q |
| 8-K | 2023-08-02 | 2023-08-02 | 8-K |
| 8-K | 2023-07-18 | 2023-07-20 | 8-K |
| 8-K | 2023-06-15 | 2023-06-16 | 8-K |
| 8-K | 2023-06-14 | 2023-06-15 | 8-K |
| 8-K | 2023-06-07 | 2023-06-09 | 8-K |
| 8-K | 2023-05-31 | 2023-05-31 | 8-K |
| 8-K | 2023-05-16 | 2023-05-18 | 8-K |
| 8-K | 2023-05-15 | 2023-05-15 | 8-K |
| 10-Q | 2023-03-31 | 2023-05-08 | 10-Q |
| 8-K | 2023-05-08 | 2023-05-08 | 8-K |
| 10-K | 2022-12-31 | 2023-03-06 | 10-K |
| 8-K | 2023-03-02 | 2023-03-06 | 8-K |
| 8-K | 2023-01-09 | 2023-01-13 | 8-K |
| 10-Q | 2022-09-30 | 2022-11-08 | 10-Q |
| 8-K | 2022-11-08 | 2022-11-08 | 8-K |
| 8-K | 2022-09-14 | 2022-09-15 | 8-K |
| 8-K | 2022-09-07 | 2022-09-09 | 8-K |
| 10-Q | 2022-06-30 | 2022-08-04 | 10-Q |
| 8-K | 2022-08-04 | 2022-08-04 | 8-K |
| 8-K | 2022-05-17 | 2022-05-20 | 8-K |
| 8-K | 2022-05-10 | 2022-05-13 | 8-K |
| 8-K | 2022-05-04 | 2022-05-10 | 8-K |
| 10-Q | 2022-03-31 | 2022-05-05 | 10-Q |
| 8-K | 2022-05-03 | 2022-05-05 | 8-K |
| 8-K | 2022-03-31 | 2022-04-01 | 8-K |
| 10-K | 2021-12-31 | 2022-02-23 | 10-K |
| 8-K | 2022-02-17 | 2022-02-17 | 8-K |
| 8-K | 2022-02-02 | 2022-02-07 | 8-K |
| 8-K | 2022-01-09 | 2022-01-13 | FORM 8-K |
| 8-K | 2022-01-05 | 2022-01-07 | 8-K |
| 8-K | 2021-12-01 | 2021-12-03 | 8-K |
| 10-Q | 2021-09-30 | 2021-11-08 | 10-Q |
| 8-K | 2021-11-08 | 2021-11-08 | 8-K |
| 8-K | 2021-10-08 | 2021-10-13 | 8-K |
| 8-K | 2021-09-23 | 2021-09-29 | FORM 8-K |
| 8-K | 2021-08-05 | 2021-08-11 | 8-K |
| 10-Q | 2021-06-30 | 2021-08-05 | 10-Q |
| 8-K | 2021-08-05 | 2021-08-05 | 8-K |
| 8-K | 2021-05-21 | 2021-05-26 | FORM 8-K |
| 10-Q | 2021-03-31 | 2021-05-06 | 10-Q |
| 8-K | 2021-05-06 | 2021-05-06 | 8-K |
| 10-K | 2020-12-31 | 2021-02-25 | 10-K |
| 8-K | 2021-02-24 | 2021-02-24 | 8-K |
| 8-K | 2021-02-08 | 2021-02-12 | 8-K |
| 8-K | 2021-02-01 | 2021-02-02 | 8-K |
| 8-K | 2021-01-05 | 2021-01-07 | 8-K |
| 8-K | 2020-11-12 | 2020-11-18 | 8-K |
| 10-Q | 2020-09-30 | 2020-11-05 | 10-Q |
| 8-K | 2020-11-05 | 2020-11-05 | 8-K |
| 8-K | 2020-07-30 | 2020-08-06 | 8-K |
| 10-Q | 2020-06-30 | 2020-08-06 | 10-Q |
| 8-K | 2020-08-06 | 2020-08-06 | 8-K |
| 8-K | 2020-05-22 | 2020-05-26 | 8-K |
| 10-Q | 2020-03-31 | 2020-05-07 | 10-Q |
| 8-K | 2020-05-07 | 2020-05-07 | 8-K |
| 8-K | 2020-04-14 | 2020-04-17 | FORM 8-K |
| 8-K | 2020-04-13 | 2020-04-14 | FORM 8-K |
| 10-K | 2019-12-31 | 2020-02-27 | 10-K |
| 8-K | 2020-02-27 | 2020-02-27 | 8-K |
| 8-K | 2020-02-03 | 2020-02-04 | FORM 8-K |
| 8-K | 2020-01-13 | 2020-01-15 | 8-K |
| 10-Q | 2019-09-30 | 2019-11-08 | 10-Q |
| 8-K | 2019-11-06 | 2019-11-06 | 8-K |
| 10-Q | 2019-06-30 | 2019-08-05 | 10-Q |
| 8-K | 2019-08-01 | 2019-08-01 | 8-K |
| 8-K | 2019-07-08 | 2019-07-08 | 8-K |
| 8-K | 2019-05-22 | 2019-05-28 | FORM 8-K |
| 10-Q | 2019-03-31 | 2019-05-09 | 10-Q |
| 8-K | 2019-05-09 | 2019-05-09 | 8-K |
| 8-K | 2019-05-02 | 2019-05-03 | 8-K |
| 8-K | 2019-04-05 | 2019-04-05 | 8-K |
| 8-K | 2019-03-18 | 2019-03-19 | FORM 8-K |
| 10-K | 2018-12-31 | 2019-02-28 | 10-K |
| 8-K | 2019-02-28 | 2019-02-28 | FORM 8-K |
| 8-K | 2019-01-07 | 2019-01-11 | 8-K |
| 10-Q | 2018-09-30 | 2018-11-08 | 10-Q |
| 8-K | 2018-11-08 | 2018-11-08 | 8-K |
| 8-K | 2018-11-02 | 2018-11-02 | 8-K |
| 8-K | 2018-09-25 | 2018-09-26 | 8-K |
| 10-Q | 2018-06-30 | 2018-08-08 | 10-Q |
| 8-K | 2018-08-08 | 2018-08-08 | 8-K |
| 8-K | 2018-07-27 | 2018-07-31 | 8-K |
| 8-K | 2018-07-17 | 2018-07-17 | FORM 8-K |
| 8-K | 2018-06-25 | 2018-06-25 | 8-K |
| 8-K | 2018-05-28 | 2018-05-29 | FORM 8-K |
| 8-K | 2018-05-21 | 2018-05-25 | 8-K |
| 8-K | 2018-05-14 | 2018-05-15 | FORM 8-K |
| 8-K | 2018-05-09 | 2018-05-14 | FORM 8-K |
| 10-Q | 2018-03-31 | 2018-05-10 | 10-Q |
| 8-K | 2018-05-10 | 2018-05-10 | FORM 8-K |
| 8-K | 2018-05-03 | 2018-05-03 | FORM 8-K |
| 8-K | 2018-03-26 | 2018-03-26 | FORM 8-K |
| 8-K | 2018-03-09 | 2018-03-12 | FORM 8-K |
| 10-K | 2017-12-31 | 2018-03-08 | 10-K |
| 8-K | 2018-03-08 | 2018-03-08 | FORM 8-K |
| 8-K | 2018-03-01 | 2018-03-06 | FORM 8-K |
| 8-K | 2018-01-04 | 2018-01-05 | FORM 8-K |
| 8-K | 2017-12-07 | 2017-12-08 | FORM 8-K |
| 8-K | 2017-11-30 | 2017-12-05 | FORM 8-K |
| 10-Q | 2017-09-30 | 2017-11-06 | 10-Q |
| 8-K | 2017-11-06 | 2017-11-06 | 8-K |
| 8-K | 2017-09-07 | 2017-09-07 | FORM 8-K |
| 8-K | 2017-08-28 | 2017-08-29 | 8-K |
| 8-K | 2017-08-21 | 2017-08-22 | FORM 8-K |
| 8-K | 2017-08-09 | 2017-08-11 | FORM 8-K |
| 10-Q | 2017-06-30 | 2017-08-07 | 10-Q |
| 8-K | 2017-08-07 | 2017-08-07 | FORM 8-K |
| 8-K | 2017-07-05 | 2017-07-05 | 8-K |
| 8-K | 2017-06-21 | 2017-06-27 | FORM 8-K |
| 8-K | 2017-06-26 | 2017-06-26 | FORM 8-K |
| 8-K | 2017-06-09 | 2017-06-12 | FORM 8-K |
| 8-K | 2017-05-16 | 2017-05-19 | FORM 8-K |
| 8-K | 2017-05-10 | 2017-05-12 | FORM 8-K |
| 10-Q | 2017-03-31 | 2017-05-08 | FORM 10-Q |
| 8-K | 2017-05-08 | 2017-05-08 | FORM 8-K |
| 8-K | 2017-04-25 | 2017-04-25 | FORM 8-K |
| 8-K | 2017-04-05 | 2017-04-10 | 8-K |
| 10-K | 2016-12-31 | 2017-03-14 | CHRS-10K-20161231 |
| 8-K | 2017-03-13 | 2017-03-13 | FORM 8-K |
| 8-K | 2017-03-06 | 2017-03-06 | FORM 8-K |
| 8-K | 2017-03-02 | 2017-03-03 | FORM 8-K |
| 8-K | 2017-02-07 | 2017-02-13 | FORM 8-K |
| 8-K | 2017-01-31 | 2017-01-31 | FORM 8-K |
| 8-K | 2016-11-25 | 2016-11-30 | FORM 8-K |
| 10-Q | 2016-09-30 | 2016-11-09 | FORM 10-Q |
| 8-K | 2016-11-09 | 2016-11-09 | FORM 8-K |
| 8-K | 2016-11-07 | 2016-11-07 | FORM 8-K |
| 8-K | 2016-10-28 | 2016-10-28 | 8-K |
| 8-K | 2016-10-06 | 2016-10-07 | FORM 8-K |
| 8-K | 2016-10-06 | 2016-10-06 | FORM 8-K |
| 8-K | 2016-09-26 | 2016-09-27 | FORM 8-K |
| 8-K | 2016-09-21 | 2016-09-26 | FORM 8-K |
| 10-Q | 2016-06-30 | 2016-08-09 | FORM 10-Q |
| 8-K | 2016-08-08 | 2016-08-09 | FORM 8-K |
| 8-K | 2016-07-11 | 2016-07-11 | FORM 8-K |
| 8-K | 2016-06-28 | 2016-06-28 | FORM 8-K |
| 8-K | 2016-06-13 | 2016-06-14 | 8-K |
| 8-K | 2016-05-31 | 2016-06-03 | FORM 8-K |
| 8-K | 2016-05-23 | 2016-05-26 | FORM 8-K |
| 8-K | 2016-05-24 | 2016-05-25 | FORM 8-K |
| 8-K | 2016-05-17 | 2016-05-18 | FORM 8-K |
| 8-K | 2016-05-11 | 2016-05-11 | 8-K |
| 10-Q | 2016-03-31 | 2016-05-09 | 10-Q |
| 8-K | 2016-05-06 | 2016-05-09 | 8-K |
| 10-K | 2015-12-31 | 2016-02-29 | 10-K |
| 8-K | 2016-02-29 | 2016-02-29 | 8-K |
| 8-K | 2016-02-01 | 2016-02-01 | FORM 8-K |
| 8-K | 2016-01-11 | 2016-01-11 | FORM 8-K |
| 8-K | 2015-12-16 | 2015-12-21 | FORM 8-K |
| 8-K | 2015-12-11 | 2015-12-14 | FORM 8-K |
| 8-K | 2015-12-08 | 2015-12-08 | FORM 8-K |
| 10-Q | 2015-09-30 | 2015-11-10 | 10-Q |
| 8-K | 2015-11-09 | 2015-11-09 | FORM 8-K |
| 8-K | 2015-10-15 | 2015-10-19 | 8-K |
| 8-K | 2015-10-01 | 2015-10-01 | 8-K |
| 8-K | 2015-09-10 | 2015-09-14 | FORM 8-K |
| 8-K | 2015-09-03 | 2015-09-03 | FORM 8-K |
| 10-Q | 2015-06-30 | 2015-08-10 | 10-Q |
| 8-K | 2015-08-06 | 2015-08-10 | FORM 8-K |
| 8-K | 2015-07-06 | 2015-07-08 | FORM 8-K |
| 8-K | 2015-06-09 | 2015-06-12 | 8-K |
| 8-K | 2015-05-21 | 2015-05-27 | 8-K |
| 10-Q | 2015-03-31 | 2015-05-11 | 10-Q |
| 8-K | 2015-05-08 | 2015-05-11 | 8-K |
| 8-K | 2015-04-14 | 2015-04-17 | 8-K |
| 8-K | 2015-04-13 | 2015-04-15 | FORM 8-K |
| 8-K | 2015-04-10 | 2015-04-14 | FORM 8-K |
| 8-K | 2015-03-23 | 2015-03-23 | FORM 8-K |
| 10-K | 2014-12-31 | 2015-03-23 | 10-K |
| 8-K | 2015-03-16 | 2015-03-19 | FORM 8-K |
| 8-K | 2015-03-06 | 2015-03-11 | FORM 8-K |
| 10-Q | 2014-09-30 | 2014-12-15 | 10-Q |
| 8-K | 2014-12-15 | 2014-12-15 | FORM 8-K |
| 8-K | 2014-12-10 | 2014-12-11 | FORM8-K |
| 8-K | 2014-11-12 | 2014-11-13 | FORM 8-K |