| Form type | Sec Links | Description | Filing date | Reporting date |
|---|---|---|---|---|
| 8-K | Report | Data | 8-K | Sep 10, 2024 | Sep 6, 2024 |
| 8-K | Report | Data | 8-K | Sep 5, 2024 | Sep 5, 2024 |
| 8-K | Report | Data | 8-K | Jul 23, 2024 | Jul 22, 2024 |
| 8-K | Report | Data | 8-K | Jul 11, 2024 | Jul 11, 2024 |
| 8-K | Report | Data | 8-K | Apr 22, 2024 | Apr 18, 2024 |
| 8-K | Report | Data | 8-K | Mar 11, 2024 | Mar 11, 2024 |
| 8-K | Report | Data | 8-K | Mar 7, 2024 | Mar 6, 2024 |
| 8-K | Report | Data | 8-K | Feb 16, 2024 | Feb 14, 2024 |
| 8-K | Report | Data | 8-K | Feb 14, 2024 | Feb 14, 2024 |
| 8-K | Report | Data | 8-K | Feb 13, 2024 | Feb 13, 2024 |
| 8-K | Report | Data | 8-K | Dec 7, 2023 | Dec 7, 2023 |
| 8-K | Report | Data | 8-K | Sep 28, 2023 | Sep 26, 2023 |
| 8-K | Report | Data | 8-K | Sep 7, 2023 | Sep 7, 2023 |
| 8-K | Report | Data | 8-K | Jul 10, 2023 | Jul 7, 2023 |
| 8-K | Report | Data | 8-K | Jun 14, 2023 | Jun 8, 2023 |
| 8-K | Report | Data | 8-K | Mar 9, 2023 | Mar 9, 2023 |
| 8-K | Report | Data | 8-K | Jan 5, 2023 | Jan 4, 2023 |
| 8-K | Report | Data | 8-K | Dec 27, 2022 | Dec 23, 2022 |
| 8-K | Report | Data | 8-K | Dec 8, 2022 | Dec 8, 2022 |
| 8-K | Report | Data | 8-K | Oct 17, 2022 | Oct 13, 2022 |
| 8-K | Report | Data | 8-K | Sep 8, 2022 | Sep 8, 2022 |
| 8-K | Report | Data | 8-K | Jul 7, 2022 | Jul 7, 2022 |
| 8-K | Report | Data | 8-K | May 27, 2022 | May 25, 2022 |
| 8-K | Report | Data | 8-K | Mar 10, 2022 | Mar 10, 2022 |
| 8-K | Report | Data | 8-K | Mar 7, 2022 | Mar 7, 2022 |
| 8-K | Report | Data | 8-K | Dec 9, 2021 | Dec 9, 2021 |
| 8-K | Report | Data | 8-K | Oct 4, 2021 | Sep 30, 2021 |
| 8-K | Report | Data | 8-K | Sep 15, 2021 | Sep 14, 2021 |
| 8-K | Report | Data | 8-K | Sep 9, 2021 | Sep 9, 2021 |
| 8-K | Report | 8-K | Jul 13, 2021 | Jul 13, 2021 |
| 8-K | Report | 8-K | Jun 30, 2021 | Jun 24, 2021 |
| 8-K | Report | 8-K | Jun 7, 2021 | Jun 5, 2021 |
| 8-K | Report | 8-K | Mar 19, 2021 | Mar 18, 2021 |
| 8-K | Report | 8-K | Mar 11, 2021 | Mar 11, 2021 |
| 8-K | Report | 8-K | Feb 11, 2021 | Feb 9, 2021 |
| 8-K | Report | 8-K | Jan 27, 2021 | Jan 21, 2021 |
| 8-K | Report | 8-K | Dec 18, 2020 | Dec 16, 2020 |
| 8-K | Report | 8-K | Dec 10, 2020 | Dec 10, 2020 |
| 8-K | Report | 8-K | Dec 1, 2020 | Nov 25, 2020 |
| 8-K | Report | 8-K | Nov 16, 2020 | Nov 16, 2020 |
| 8-K | Report | 8-K | Oct 2, 2020 | Oct 1, 2020 |
| 8-K | Report | 8-K | Sep 14, 2020 | Sep 14, 2020 |
| 8-K | Report | 8-K | Jul 1, 2020 | Jul 1, 2020 |
| 8-K | Report | KALV-2020-06-11-8-K | Jun 11, 2020 | Jun 10, 2020 |
| 8-K | Report | KALV-Q3-1.31.20-8K | Mar 10, 2020 | Mar 10, 2020 |
| 8-K | Report | 8-K | Dec 3, 2019 | Dec 3, 2019 |
| 8-K | Report | 8-K | Oct 3, 2019 | Oct 2, 2019 |
| 8-K | Report | 8-K | Sep 9, 2019 | Sep 9, 2019 |
| 8-K | Report | 8-K | Jul 16, 2019 | Jul 15, 2019 |
| 8-K | Report | 8-K | Jul 1, 2019 | Jun 26, 2019 |
| 8-K | Report | 8-K FOR DAN SOLAND APPOINTMENT | Apr 24, 2019 | Apr 18, 2019 |
| 8-K | Report | 8-K | Mar 29, 2019 | Mar 29, 2019 |
| 8-K | Report | 8-K | Mar 14, 2019 | Mar 14, 2019 |
| 8-K | Report | 8-K | Feb 1, 2019 | Jan 31, 2019 |
| 8-K | Report | 8-K | Dec 14, 2018 | Dec 14, 2018 |
| 8-K | Report | 8-K | Oct 4, 2018 | Oct 3, 2018 |
| 8-K | Report | 8-K | Sep 26, 2018 | Sep 22, 2018 |
| 8-K | Report | 8-K | Sep 6, 2018 | Sep 6, 2018 |
| 8-K | Report | 8-K | Aug 1, 2018 | Jul 30, 2018 |
| 8-K | Report | 8-K | Jul 31, 2018 | Jul 27, 2018 |
| 8-K | Report | 8-K | Jun 29, 2018 | Jun 27, 2018 |
| 8-K | Report | 8-K | May 2, 2018 | Apr 30, 2018 |
| 8-K | Report | 8-K | Apr 20, 2018 | Apr 16, 2018 |
| 8-K | Report | 8-K | Mar 16, 2018 | Mar 16, 2018 |
| 8-K | Report | 8-K | Dec 14, 2017 | Dec 14, 2017 |
| 8-K | Report | FORM 8-K | Oct 10, 2017 | Oct 6, 2017 |
| 8-K | Report | FORM 8-K | Sep 28, 2017 | Sep 27, 2017 |
| 8-K | Report | 8-K | Sep 14, 2017 | Sep 14, 2017 |
| 8-K | Report | FORM 8-K | Aug 25, 2017 | Aug 21, 2017 |
| 8-K | Report | Data | FORM 8-K | Jul 27, 2017 | Jul 27, 2017 |
| 8-K | Report | FORM 8-K | Jul 13, 2017 | Jul 13, 2017 |
| 8-K | Report | 8-K | May 30, 2017 | May 30, 2017 |
| 8-K | Report | FORM 8-K | Mar 27, 2017 | Mar 23, 2017 |
| 8-K | Report | FORM 8-K | Mar 17, 2017 | Mar 16, 2017 |
| 8-K/A | Report | FORM 8-K/A | Dec 20, 2016 | Nov 21, 2016 |
| 8-K | Report | FORM 8-K | Nov 23, 2016 | Nov 21, 2016 |
| 8-K | Report | 8-K | Nov 21, 2016 | Nov 21, 2016 |
| 8-K | Report | FORM 8-K | Nov 4, 2016 | Oct 31, 2016 |
| 8-K | Report | FORM 8-K | Sep 30, 2016 | Sep 26, 2016 |
| 8-K | Report | FORM 8-K | Jul 29, 2016 | Jul 28, 2016 |
| 8-K | Report | FORM 8-K | Jun 28, 2016 | Jun 28, 2016 |
| 8-K | Report | 8-K | Jun 24, 2016 | Jun 24, 2016 |
| 8-K | Report | FORM 8-K | Jun 22, 2016 | Jun 22, 2016 |
| 8-K | Report | FORM 8-K | Jun 17, 2016 | Jun 14, 2016 |
| 8-K | Report | Data | 8-K | Jun 15, 2016 | Jun 13, 2016 |
| 8-K | Report | Data | FORM 8-K | Apr 18, 2016 | Apr 12, 2016 |
| 8-K | Report | Data | 8-K | Mar 18, 2016 | Mar 16, 2016 |
| 8-K | Report | FORM 8-K | Feb 1, 2016 | Feb 1, 2016 |
| 8-K | Report | FORM 8-K | Dec 28, 2015 | Dec 22, 2015 |
| 8-K | Report | FORM 8-K | Nov 12, 2015 | Nov 11, 2015 |
| 8-K | Report | FORM 8-K | Oct 8, 2015 | Oct 2, 2015 |
| 8-K | Report | 8-K | Aug 12, 2015 | Aug 11, 2015 |
| 8-K | Report | FORM 8-K | Aug 5, 2015 | Aug 3, 2015 |
| 8-K | Report | FORM 8-K | Jul 14, 2015 | Jul 13, 2015 |
| 8-K | Report | FORM 8-K | May 28, 2015 | May 22, 2015 |
| 8-K | Report | FORM 8-K | May 21, 2015 | May 19, 2015 |
| 8-K | Report | FORM 8-K | May 18, 2015 | May 12, 2015 |
| 8-K | Report | FORM 8-K | Apr 16, 2015 | Apr 14, 2015 |