Cardiff Oncology, Inc. 10-Q

ITEM 5. OTHER INFORMATION None. ITEM 6. EXHIBITS Exhibit Number Description of Exhibit 31.1 Certification of Principal Executive Officer required by Rule 13a-14(a)/15d-14(a) under the Exchange Act. 31.2 Certification of Principal Financial Officer required by Rule 13a-14(a)/15d-14(a) under the Exchange Act. 32.1 Certification of Principal Executive Officer pursuant to 18 U.S.C Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002. 32.2 Certification of Principal Financial Officer pursuant to 18 U.S.C Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002. 101.INS Inline XBRL Instance Document 101.SCH Inline XBRL Taxonomy Extension Schema 101.CAL Inline XBRL Taxonomy Extension Calculation Linkbase 101.LAB Inline XBRL Taxonomy Extension Labels Linkbase 101.PRE Inline XBRL Taxonomy Extension Presentation Linkbase 101.DEF Inline XBRL Taxonomy Extension Definition Linkbase 104 Cover Page Interactive Data File - the cover page from the Registrant’s Quarterly Report on Form 10-Q for the quarter ended March 31, 2023, is formatted in Inline XBRL 23 Table of Contents SIGNATURES 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. CARDIFF ONCOLOGY, INC. May 4, 2023 By: /s/ Mark Erlander Mark Erlander Chief Executive Officer CARDIFF ONCOLOGY, INC. May 4, 2023 By: /s/ James Levine James Levine Chief Financial Officer 24