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UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 8-K

CURRENT REPORT

Pursuant to Section 13 OR 15(d)

of The Securities Exchange Act of 1934

Date of Report (Date of earliest event reported): July 24, 2025

ImmunityBio, Inc.

(Exact name of registrant as specified in its charter)

3530 John Hopkins Court

San Diego, California 92121

(Address of principal executive offices, including zip code)

Registrant’s telephone number, including area code: (844) 696-5235

Not Applicable

(Former name or former address, if changed since last report.)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions (see General Instruction A.2. below):

Securities registered pursuant to Section 12(b) of the Act:

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter).

Emerging growth company ☐

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐

Registered Direct Offering

On July 24, 2025, ImmunityBio, Inc. (the “Company”) entered into a securities purchase agreement (the “SPA”) with the purchasers named therein (the “Investors”) for the purchase and sale of 29,629,632 shares of the Company’s common stock, par value $0.0001 per share (the “Common Stock”), and warrants to purchase an additional 29,629,632 shares of Common Stock at an exercise price of $3.24 per share, for a purchase price of $2.70 per share and accompanying warrant, generating gross proceeds from the offering of approximately $80 million before deducting placement agent fees and our estimated offering expenses. The warrants will become immediately exercisable after the issuance date and expire five years after the initial issuance date. The closing of the offering is expected to occur on or about July 28, 2025, subject to the satisfaction of customary closing conditions.

Also, on July 24, 2025, the Company also entered into a placement agency agreement (the “PAA”) with Piper Sandler & Co. (the “Placement Agent”). Pursuant to the terms of the PAA, the Placement Agent has agreed to serve as our exclusive Placement Agent on a reasonable best efforts basis to arrange for the sale of the securities described above and the Company agreed to pay the Placement Agent a cash fee equal to 6.0% of the gross proceeds generated from the sale of the shares of the Company’s common stock, less certain Company expenses to be reimbursed by the Placement Agent. The Placement Agent will not receive any fees for the exercise of the warrants.

The securities are being offered and sold by the Company pursuant to a prospectus supplement and an accompanying prospectus forming part of a “shelf” registration statement on Form S-3ASR (File No. 333-278770).

The SPA and PAA contain customary representations, warranties and agreements by the Company, customary conditions to closing, indemnification obligations of the Company, the Placement Agent and the Investors, other obligations of the parties and termination provisions. The representations, warranties and covenants contained in the SPA and PAA were made only for purposes of such agreements and as of specific dates, were solely for the benefit of the parties to such agreements, and may be subject to limitations agreed upon by the contracting parties.

The foregoing is only a brief description of the material terms of the PAA, Form of Common Stock Purchase Warrant, and the SPA, and does not purport to be a complete description of the rights and obligations of the parties thereunder, and is qualified in its entirety by reference to the PAA, Form of Common Stock Purchase Warrant, and the SPA that are filed as Exhibits 1.1, 4.1, and 10.1, respectively, to this Current Report on Form 8-K and are incorporated herein by reference.

The legal opinion of Wilson Sonsini Goodrich & Rosati, P.C. relating to the legality of the issuance and sale of the securities in the offering is filed as Exhibit 5.1 to this Current Report on Form 8-K.

On July 25, 2025, the Company issued a press release announcing, among other things, certain preliminary unaudited second quarter financial and operational results and certain regulatory updates (the “Business Update Press Release”). A copy of the Business Update Press Release is attached as Exhibit 99.1 to this Current Report on Form 8-K.

Also on July 25, 2025, the Company issued a press release announcing the offering described in Item 1.01 above (the “Registered Direct Offering Press Release”). The Registered Direct Offering Press Release is attached as Exhibit 99.2 to this Current Report on Form 8-K and incorporated into this Item 7.01 by reference.

The information in this Item 7.01, including Exhibit 99.2 attached hereto, shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended, or otherwise subject to the liabilities of that section, nor shall it be deemed incorporated by reference in any filing under the Securities Act of 1933, as amended, except as expressly set forth by specific reference in such filing.

As set forth above, on July 25, 2025, the Company issued the Business Update Press Release. The Business Update Press Release is attached as Exhibit 99.1 to this Current Report on Form 8-K and incorporated into this Item 8.01 by reference.

Forward-Looking Statements

This Current Report on Form 8-K contains forward-looking statements within the meaning of the Private Securities Litigation Reform Act of 1995. All statements contained in this Current Report on Form 8-K that do not relate to matters of historical fact should be considered forward-looking statements. Forward-looking statements are subject to known and unknown risks and uncertainties, many of which may be beyond our control. Investors should review the risks and uncertainties contained in our filings with the U.S. Securities and Exchange Commission (“SEC”), including our Annual Report on Form 10-K for the year ended December 31, 2024, filed with the SEC on March 3, 2025, and our Quarterly Report on Form 10-Q for the period ended March 31, 2025, filed with the SEC on May 12, 2025, as well as other risks set forth in our other filings with the SEC. We caution you that the forward-looking information presented in this Current Report on Form 8-K is not a guarantee of future events, and that actual events may differ materially from those described in or suggested by the forward-looking information contained in this Current Report on Form 8-K. In addition, forward-looking statements generally can be identified by the use of forward-looking terminology such as “may,” “will,” “should,” “could,” “would,” “expects,” “plans,” “intends,” “anticipates,” “believes,” “estimates,” “predicts,” “projects,” “potential,” or “continue” or the negative of such terms and other similar terminology. Any forward-looking information presented herein is made only as of the date of this Current Report on Form 8-K, and we do not undertake any obligation to update or revise any forward-looking information to reflect changes in assumptions, the occurrence of unanticipated events, or otherwise.

(d) Exhibits.

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 hereunto duly authorized.