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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): January 9, 2026

IOVANCE BIOTHERAPEUTICS, INC.

(Exact Name of Registrant as Specified in Charter)

Delaware
(State of Incorporation)
001-36860 |  | 75-3254381
Commission File Number |  | (I.R.S. Employer Identification No.)
825 Industrial Road, Suite 100 |  |
San Carlos, California |  | 94070
(Address of Principal Executive Offices) |  | (Zip Code)
(650) 260-7120
(Registrant’s Telephone Number, Including Area Code)

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:

| ¨ | Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425).

| ¨ | Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12).

| ¨ | Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b)).

| ¨ | Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c)).

Indicate by check mark whether the registrant is an emerging growth company as defined in 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. ¨

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

Title of each class | Trading Symbol(s) | Name of each exchange on which registered
Common stock, par value $0.000041666 per value | IOVA | The Nasdaq Stock Market, LLC

Item 8.01 | Other Events.

On January 9, 2026, Iovance Biotherapeutics, Inc. (the “Company”) updated its corporate presentation that it uses for presentations at healthcare conferences and to analysts, current stockholders, and others. The Company’s presentation states that the Company expects to achieve its previously disclosed full-year 2025 revenue guidance range of $250 to $300 million in the first full calendar year of Amtagvi sales. A copy of the Company’s presentation that it intends to use at such events is attached as Exhibit 99.1 and is incorporated herein by reference.

Item 9.01 | Financial Statements and Exhibits.

(d) Exhibits.

Exhibit No. |  | Description
99.1 |  | Iovance Biotherapeutics, Inc., Corporate Presentation – January 2026
104 |  | Cover Page Interactive Data File (embedded as Inline XBRL document)

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.

Date: January 9, 2026 | Iovance Biotherapeutics, Inc.
| By: | /s/ Frederick G. Vogt
|  | Name: | Frederick G. Vogt, Ph.D., J.D.
|  | Title: | Interim CEO, President, and General Counsel