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): April 12, 2018

LiqTech International, Inc.

(Exact name of registrant as specified in charter)

+4544986000

(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 (see General Instruction A.2. below):

☐    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 Rule 405 of the Securities Act of 1933 or Rule 12b-2 of the Securities Exchange Act of 1934.

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.     ☐

On April 12, 2018, LiqTech International, Inc., a Nevada corporation (the “Company”), entered into a purchase agreement (the “Purchase Agreement”) with Craig-Hallum Capital Group LLC (the “Underwriter”), pursuant to which the Company agreed to sell, and the Underwriter agreed to purchase for resale to the public (the “Offering”), subject to the terms and conditions expressed therein, 16,911,765 shares of common stock of the Company, par value $0.001 per share (the “Shares” and each, a “Share”) at a price to the public of $0.34 per Share. The Company expects the Offering to close on or about April 16, 2018 subject to the satisfaction of certain closing conditions. The Company has granted the Underwriter a 30-day option to purchase an additional 2,536,764 Shares from the Company to cover over-allotments, if any.

The Purchase Agreement provides that the Company will indemnify the Underwriter against certain liabilities, including liabilities under the Securities Act of 1933, as amended, or reimburse the Underwriter for payments that the Underwriter may be required to make because of such liabilities.

The Shares are being offered and sold pursuant to a prospectus supplement dated April 12, 2018 and an accompanying base prospectus dated October 23, 2017, pursuant to the Company’s existing shelf registration statement on Form S-3 (File No. 333-220496) that was declared effective by the Securities and Exchange Commission on October 23, 2017. The opinion of the Company’s counsel regarding the validity of the Shares to be issued by the Company is filed herewith as Exhibit 5.1.

The foregoing description of the Purchase Agreement is not complete and is qualified in its entirety by reference to the full text of the form of Purchase Agreement, a copy of which is filed as Exhibit 1.1 to this Current Report on Form 8-K,and which is incorporated by reference herein.

On April 12, 2018, the Company issued a press release announcing the pricing of the Offering (the “Press Release”). A copy of the Press Release is attached hereto as Exhibit 99.1, and is incorporated by reference herein.

This Current Report on Form 8-K shall not constitute an offer to sell or the solicitation of an offer to buy nor shall there be any sale of these Shares in any state in which such offer, solicitation or sale would be unlawful prior to registration or qualification under the securities laws of any state. Any offering will be made only through a prospectus supplement and accompanying prospectus.

(d) Exhibits

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the Registrant has duly caused this Current Report on Form 8-K to be signed on its behalf by the undersigned hereunto duly authorized.

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