YUNHONG GREEN CTI LTD.

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, D.C. 20549

FORM 10-K

(Mark One)

For the fiscal year ended December 31,2025

OR

For the transition period from to

Commission File Number

000-23115

YUNHONG GREEN CTI LTD.

(Exact name of registrant as specified in its charter)

Registrant’s telephone number, including area code:(847) 382-1000

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

Securities registered pursuant to Section 12(g) of the Act: None

Indicate by check mark if the registrant is a well-known seasoned issuer, as defined in Rule 405 of the Securities Act. Yes ☐No ☒

Indicate by check mark if the registrant is not required to file reports pursuant to Section 13 or Section 15(d) of the Exchange Act. Yes ☐No ☒

Indicate by check mark whether the registrant (1) has filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during the preceding 12 months (or for such shorter period that the Registrant was required to file such reports), and (2) has been subject to such filing requirements for the past 90 days. Yes ☒ No ☐

Indicate by check mark whether the registrant has submitted electronically every Interactive Data File required to be submitted pursuant to Rule 405 of Regulation S-T (§232.405 of this chapter) during the preceding 12 months (or for such shorter period that the registrant was required to submit such files). Yes ☒ No ☐

Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer, a smaller reporting company, or an emerging growth company. See the definitions of “large accelerated filer,” “accelerated filer,” “smaller reporting company,” and “emerging growth company” in Rule 12b-2 of the Exchange Act.

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. ☐

Indicate by check mark whether the registrant has filed a report on and attestation to its management’s assessment of the effectiveness of its internal control over financial reporting under Section 404(b) of the Sarbanes-Oxley Act (15 U.S.C. 7262(b)) by the registered public accounting firm that prepared or issued its audit report.☐

If securities are registered pursuant to Section 12(b) of the Act, indicate by check mark whether the financial statements of the registrant included in the filing reflect the correction of an error to previously issued financial statements.☐

Indicate by check mark whether any of those error corrections are restatements that required a recovery analysis of incentive-based compensation received by any of the registrant’s executive officers during the relevant recovery period pursuant to §240.10D-1(b). ☐

Indicate by check mark whether the registrant is a shell company (as defined in Rule 12b-2 of the Exchange Act). Yes ☐ No☒

Based upon the closing price of $7.80 per share of the Registrant’s Common Stock as reported on NASDAQ Capital Market tier of The NASDAQ Stock Market on June 30, 2025, the aggregate market value of the voting common stock held by non-affiliates of the Registrant was then approximately $10,000,000. (The determination of stock ownership by non-affiliates was made solely for the purpose of responding to the requirements of the Form and the Registrant is not bound by this determination for any other purpose.)

The number of shares outstanding of the Registrant’s Common Stock as of March 23, 2026 was 2,597,363 (excluding treasury shares).

DOCUMENTS INCORPORATED BY REFERENCE

The Registrant’s definitive Proxy Statement for the Annual Meeting of Shareholders (the “2025 Proxy Statement”) is incorporated by reference in Part III of this Form 10-K to the extent stated herein. The 2025 Proxy Statement, or an amendment to this Form 10-K, will be filed with the SEC within 120 days after December 31, 2025. Except with respect to information specifically incorporated by reference in this Form 10-K, the Proxy Statement is not deemed to be filed as a part hereof.

TABLE OF CONTENTS

INDEX

FORWARD LOOKING STATEMENTS

FORWARD-LOOKING STATEMENTS

This Annual Report on Form 10-K includes both historical and “forward-looking statements” within the meaning of Section 21E of the Securities Exchange Act of 1934, as amended. We have based these forward-looking statements on our current expectations and projections about future results. Words such as “may,” “should,” “could,” “would,” “expect,” “plan,” “anticipate,” “believe,” “estimate,” “predict,” “potential,” “continue,” or similar words are intended to identify forward-looking statements, although not all forward-looking statements contain these words. Although we believe that our opinions and expectations reflected in the forward-looking statements are reasonable, we cannot guarantee future results, levels of activity, performance or achievements, and our actual results may differ substantially from the views and expectations set forth in this Annual Report on Form 10-K. We disclaim any intent or obligation to update any forward-looking statements after the date of this Annual Report on Form 10-K to conform such statements to actual results or to changes in our opinions or expectations. These forward-looking statements are affected by factors, risks, uncertainties and assumptions that we make, including, without limitation, our participation in highly competitive markets, potential changes in the cost or availability of raw materials, our dependence on a limited number of suppliers, the possible inability to obtain an adequate supply of raw materials, our reliance on a limited number of key customers, the loss of one or more of our key customers, changing consumer demands, developments or changes in technology, risks of international operations and political environments, dependence on our intellectual property, compliance with federal, state or local regulations, the resolution of litigation or other legal proceedings to which we may become involved, restrictions included in the Company’s credit facility, the availability of funds under the Company’s credit facility, damage to or destruction of one or both of the Company’s principal plants, our ability to service our indebtedness, our ability to invest in needed plant or equipment.