Exhibit 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

Pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, I, Richard Adcock, the Chief Executive Officer of ImmunityBio, Inc. (the “Company”), hereby certify, that, to my knowledge:

i.the Quarterly Report of the Company on Form 10-Q for the quarter ended March 31, 2023 (the “Report”), fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934, as amended; and

ii.the information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Company.

Date: May 11, 2023	By:	/s/ Richard Adcock
		Richard Adcock
		Chief Executive Officer and President
		(Principal Executive Officer)