| Form type | Sec Links | Description | Filing date | Reporting date |
|---|---|---|---|---|
| SC 13G/A | Report | Oct 23, 2024 | ||
| SC 13G/A | Report | SCHEDULE 13G/A | Apr 10, 2024 | |
| SC 13G/A | Report | SCHEDULE 13G/A | Feb 13, 2024 | |
| SC 13G/A | Report | SEC SCHEDULE 13G | Feb 9, 2024 | |
| SC 13G/A | Report | Jan 8, 2024 | ||
| SC 13G | Report | SEC SCHEDULE 13G | Feb 10, 2023 | |
| SC 13G/A | Report | SCHEDULE 13G/A | Feb 9, 2023 | |
| SC 13G/A | Report | Feb 1, 2023 | ||
| SC 13G/A | Report | SCHEDULE 13G/A | Feb 10, 2022 | |
| SC 13G/A | Report | Feb 1, 2022 | ||
| SC 13G/A | Report | SCHEDULE 13G/A | Feb 10, 2021 | |
| SC 13G/A | Report | Jan 29, 2021 | ||
| SC 13G/A | Report | SCHEDULE 13G/A | Feb 12, 2020 | |
| SC 13G/A | Report | Feb 5, 2020 | ||
| SC 13G/A | Report | Feb 11, 2019 | ||
| SC 13G | Report | Feb 8, 2019 | ||
| SC 13G/A | Report | SC 13G AMENDMENT NO. 1 | Aug 23, 2018 | |
| SC 13G/A | Report | Feb 9, 2018 | ||
| SC 13G/A | Report | SC 13G/A | Mar 6, 2017 | |
| SC 13G | Report | Feb 10, 2017 | ||
| SC 13G/A | Report | Aug 9, 2016 | ||
| SC 13G/A | Report | SC 13G/A | Feb 17, 2016 | |
| SC 13G/A | Report | NHC AS OF 12/31/2015 | Feb 9, 2016 | |
| SC 13G/A | Report | SC 13G/A | Feb 26, 2015 | |
| SC 13G/A | Report | NHC AS OF 12/31/2014 | Feb 11, 2015 | |
| SC 13G/A | Report | Aug 14, 2014 | ||
| SC 13G/A | Report | NHC AS OF 12/31/2013 | Feb 13, 2014 | |
| SC 13G/A | Report | SC 13G/A | Jan 21, 2014 | |
| SC 13G | Report | 13G NHC COMMON STOCK | Mar 8, 2013 | |
| SC 13G | Report | 13G NHC PREFERRED STOCK | Mar 8, 2013 | |
| SC 13G/A | Report | SC 13G/A | Feb 27, 2013 | |
| SC 13G/A | Report | NHC AS OF 12/31/2012 | Feb 11, 2013 | |
| SC 13G | Report | SC 13G | Jun 22, 2012 | |
| SC 13G/A | Report | 12/13/2011 | Feb 9, 2012 | |
| SC 13G/A | Report | NHC AS OF 12/31/10 | Feb 10, 2011 | |
| SC 13G/A | Report | NHC AS OF 12/31/2009 | Feb 11, 2010 |