Other Information
−Removed: the fiscal quarter ended September 30, 2025, none of our directors or officers (as defined in Rule 16a-1 under the Exchange Act) adopted
−Removed: or terminated a “Rule 10b5-1 trading arrangement” or “non-Rule 10b5-1 trading arrangement” (as those terms are
−Removed: defined in Item 408 of Regulation S-K).
−Removed: exhibits filed as part of this Quarterly Report on Form 10-Q are set forth in the “ Exhibit Index ” below.
−Removed: to the requirements of Section 13 or 15(d) of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed
−Removed: on its behalf by the undersigned, thereunto duly authorized.
−Removed: Diagnostics Inc.
−Removed: Dennis M McGrath
−Removed: Financial Officer
−Removed: Financial and Accounting Officer)
−Removed: Incorporation
+Added: Subsequent to March 31, 2026, on May 13, 2026, the Company and a majority-in-interest of the holders of the 2024 Convertible Notes entered into a waiver agreement, pursuant to which they agreed that the holders would not declare that an event of default has occurred due to the Company's failure to obtain a positive Medicare decision with respect to its EsoGuard product by May 22, 2026.
+Added: Such waiver covers the period through August 22, 2026.
+Added: During the fiscal quarter ended March 31, 2026 , none of our directors or officers (as defined in Rule 16a - 1 under the Exchange Act) adopted or terminated a “Rule 10b5 - 1 trading arrangement” or “non-Rule 10b5 - 1 trading arrangement” (as those terms are defined in Item 408 of Regulation S-K).
+Added: The exhibits filed as part of this Quarterly Report on Form 10-Q are set forth in the “ Exhibit Index ” below.
+Added: EXHIBIT INDEX
+Added: Incorporation by Reference
+Added: Underwriting Agreement (April RDO)
Certification of Principal Executive Officer pursuant to Section 302 of the Sarbanes-Oxley Act of 2002.
4 unchanged sentences
Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002.
−Removed: XBRL Instance Document
−Removed: XBRL Taxonomy Extension Schema
−Removed: XBRL Taxonomy Extension Calculation Linkbase
−Removed: XBRL Taxonomy Extension Label Linkbase
−Removed: XBRL Taxonomy Extension Presentation Linkbase
−Removed: Page Interactive Data File (embedded within the Inline XBRL document)
+Added: Inline XBRL Instance Document
+Added: Inline XBRL Taxonomy Extension Schema
+Added: Inline XBRL Taxonomy Extension Calculation Linkbase
+Added: Inline XBRL Taxonomy Extension Label Linkbase
+Added: Inline XBRL Taxonomy Extension Presentation Linkbase
+Added: Cover Page Interactive Data File (embedded within the Inline XBRL document)
* Filed herewith.
+Added: Pursuant to the requirements of Section 13 or 15(d) 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.
+Added: Lucid Diagnostics Inc.
+Added: /s/ Dennis M McGrath
+Added: Dennis M McGrath
+Added: Chief Financial Officer
+Added: (Principal Financial and Accounting 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.