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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): August 6, 2025

Registrant’s telephone number, including area code: (609) 495-2200

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:

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. ☐

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¹ Palatin Technologies, Inc. (the “Company”) has received a notice from the NYSE American LLC (“NYSE American”) stating that the NYSE Regulation has determined that the Company is no longer suitable for listing pursuant to Section 1003(f)(v) of the NYSE American Company Guide due to the low selling price of the Company’s Common Stock. NYSE American commenced delisting proceedings in connection with the foregoing determination, and trading the Company’s common stock was suspended on May 7, 2025. From May 8, 2025 through June 6, 2025, the Company’s common stock traded on the Pink Market of the OTC Markets Group under the trading symbol “PTNT”. Since June 9, 2025, the Company’s common stock has traded on the OCTQB Market of the OTC Markets Group under the trading symbol “PTNT”.

Item 3.03 Material Modification to Rights of Security Holders.

To the extent required by Item 3.03 of Form 8-K, the information contained in Item 5.03 of this Current Report on Form 8-K (the “Current Report”) is incorporated herein by reference.

Item 5.03. Amendments to Articles of Incorporation or Bylaws; Change in Fiscal Year.

On August 6, 2025, Palatin Technologies, Inc. (the “Company”) filed a certificate of amendment to the Company’s Restated Certificate of Incorporation (the “Amendment”) with the Secretary of State of the State of Delaware to effectuate a 1-for-50 reverse stock split (the “Reverse Stock Split”) of the outstanding shares of the Company’s common stock (“Common Stock”). The Company’s stockholders previously approved the Reverse Stock Split and granted the board of directors the authority to determine the exact split ratio and when to proceed with the Reverse Stock Split at the Company’s annual meeting of stockholders held on July 25, 2025.

The Reverse Stock Split will become effective on August 8, 2025 at 5:00 p.m., Eastern Time (the “Effective Time”) and the Common Stock is expected to begin trading on OCTQB Market of the OTC Markets on a Reverse Stock Split-adjusted basis on August 11, 2025 at market open. The Company’s ticker symbol on the OTCQB will be PTNTD for 20 trading days, including the effective date. As of the Effective Time, every 50 shares of the Company’s issued and outstanding Common Stock will be combined into one share of Common Stock.

The par value and other terms of the Common Stock will not be affected by the Reverse Stock Split. The Company’s post-Reverse Stock Split Common Stock CUSIP number will be 696077 601.

No fractional shares will be issued as a result of the Reverse Stock Split. Stockholders of record who would otherwise be entitled to receive a fractional share of Common Stock will receive a cash payment in lieu thereof at a price equal to (i) the average closing price of the Common Stock for the five trading days immediately preceding August 8, 2025, multiplied by (ii) the number of shares of Common Stock outstanding immediately prior to effectiveness of the Reverse Stock Split that were reclassified into such fractional share pursuant to the Reverse Stock Split.

The foregoing description of the Amendment is qualified in its entirety by reference to the Amendment, a copy of which is filed as Exhibit 3.1 to this Current Report and is incorporated herein by reference.

Item 7.01. Regulation FD Disclosure.

On August 8, 2025, the Company issued a press release announcing the Reverse Stock Split. The press release is furnished as Exhibit 99.1 and incorporated by reference herein.

The information in this Item 7.01, including Exhibit 99.1 attached hereto, is being furnished and shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the “Exchange Act”), or otherwise subject to the liabilities of that section. Such information shall not be incorporated by reference into any filing under the Securities Act of 1933, as amended (the “Securities Act”), whether made before or after the date hereof, except as expressly set forth by specific reference in such filing. The furnishing of this information will not be deemed an admission as to the materiality of any information contained therein.

Forward-Looking Statements

This Current Report includes forward-looking statements. These statements are made under the “safe harbor” provisions of the U.S. Private Securities Litigation Reform Act of 1995. These statements may be identified by words such as “will” and “expected”, or the negative of such terms, or other comparable terminology, and include statements about the Reverse Stock Split and the impacts, if any, on the Company’s Common Stock. Forward-looking statements are statements that are not historical facts. Such forward-looking statements are not guarantees of future performance and are subject to risks and uncertainties, which could cause actual results to differ materially from the forward-looking statements contained herein due to many factors. These forward-looking statements and such risks, uncertainties and other factors speak only as of the date of this Current Report, and the Company expressly disclaims any obligation or undertaking to update or revise and forward-looking statement contained herein, or to reflect any change in the Company’s expectations with regard thereto or any other change in events, conditions, or circumstances on which any such statement is based, except to the extent otherwise required by applicable law.

Item 9.01 Financial Statements and 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.