7 unchanged sentences
Form of Common Stock (Incorporated by reference to Exhibit 4.1 to the quarterly report on Form 10-Q filed on August 3, 2017.)
+Added: Purchase and Sale Agreement dated May 14, 2026 between NHC/OP, L.P., a wholly owned subsidiary of NHC, and National Health Corporation.
+Added: Purchase and Sale Agreement dated April 21, 2026 between NHC/OP, L.P., a wholly owned subsidiary of NHC, and National Health Investors, Inc.
Rule 13a-14(a)/15d-14(a) Certification of Chief Executive Officer
−Removed: Rule 13a-14(a)/15d-14(a) Certification of Principal Accounting Officer
+Added: Rule 13a-14(a)/15d-14(a) Certification of Chief Financial Officer
Certification pursuant to 18 U.S.C.
−Removed: Section 1350 by Chief Executive Officer and Principal Accounting Officer
+Added: Section 1350 by Chief Executive Officer and Chief Financial Officer
Inline XBRL Instance Document (the instance document does not appear in the Interactive Data File because its XBRL tags are embedded within the Inline XBRL document)
5 unchanged sentences
Cover Page Interactive File (embedded within the Inline XBRL document and include in Exhibit 101)
+Added: *In accordance with Item 601(a)(5) of Regulation S-K, certain schedules or similar attachments to this exhibit have been omitted from this filing.
Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned thereunto duly authorized.
NATIONAL HEALTHCARE CORPORATION
+Added: August 6, 2026
/s/ Stephen F.
Chief Executive Officer
−Removed: Senior Vice President and Chief Financial
+Added: August 6, 2026
+Added: Senior Vice President and Chief Financial Officer
Compared sentence by sentence after normalising whitespace, quotation marks, case and digits, so re-formatting and restated figures do not read as changed language. Wording changes appear as one removal and one addition. The current filing and the prior one are authoritative.