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): December 11, 2025

(631)-521-7831

(Registrant’s telephone number, including area code)

Not Applicable

(Former Name or former address if changed from 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. ☐

Item 8.01 Other Events.

On December 10, 2025, the Company extended the expiration date of its previously announced Unit Subscription Rights Offering (the “Unit Rights Offering”) to 5:00 p.m. Eastern Time on Friday, January 9, 2026, unless terminated earlier. This extension will allow common stockholders and eligible warrantholders who are entitled to participate in the Unit Rights Offering as of the record date of November 10, 2025, additional time to participate.

A copy of the press release announcing the extension of the Unit Rights Offering is attached hereto as Exhibit 99.1 and incorporated by reference herein.

The Unit Rights Offering will be made only by means of a prospectus supplement and accompanying base prospectus filed with the Commission on October 30, 2025, as amended, as part of the Registration Statement on Form S-3, as amended (No. 333-288863) relating to the Unit Rights Offering, which Registration Statement was declared effective by the Commission on August 4, 2025. This communication shall not constitute an offer to sell or solicitation of an offer to buy, nor shall there be any sale of these securities in any state in which such offer, solicitation or sale would be unlawful prior to registration or qualification under the securities laws of such state or jurisdiction.

Item 9.01 Financial Statements and Exhibits.

(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.