UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, DC 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): July 31, 2014

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):

Item 1.01. Entry Into a Material Definitive Agreement.

On July 31, 2014, Bacterin International Holdings, Inc. (the “Company”) entered into a Purchase Agreement (the “Agreement”) with Northland Securities, Inc. relating to the sale (the “Offering”) of 1,143,000 shares of the Company's common stock, $0.000001 par value per share (the “Shares”) and warrants to purchase 571,500 shares of common stock at an exercise price of $7.12 per share (the “Warrants”). Pursuant to the Agreement, the Company agreed to issue and sell each Share together with a Warrant to purchase one-half of a share of common stock to the underwriter at a public offering price of $5.70 per Share and related Warrant.

The Company estimates that it will receive net proceeds of approximately $5.76 million from the Offering after deducting underwriting discounts and commissions and offering expenses. The Company intends to use the net proceeds from the Offering for sales and marketing initiatives, continued product development, and general corporate purposes. The Offering is subject to customary closing conditions and is expected to close on or about August 6, 2014.

The foregoing is only a brief description of the material terms of the Agreement and does not purport to be a complete description of the rights and obligations of the parties thereunder and is qualified in its entirety by reference to the Agreement, which is filed hereto as Exhibit 1.1 and incorporated by reference herein. A copy of the form of warrant is attached as Exhibit 4.1 to our Current Report on Form 8-K filed July 31, 2014.

The legal opinion, including the related consent, of Ballard Spahr LLP relating to the issuance of the Shares is filed as Exhibit 5.1 to this Current Report on Form 8-K.

On August 1, 2014, we issued a press release announcing that we had priced the Offering. The press release is attached hereto as Exhibit 99.1.

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, thereunto duly authorized.