UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, DC 20549

Form 6-K

REPORT OF FOREIGN PRIVATE ISSUER

PURSUANT TO RULE 13a-16 OR 15d-16 UNDER

THE SECURITIES EXCHANGE ACT OF 1934

For the month of April 2023

Commission File Number 001-38370

CollPlant Biotechnologies Ltd.

(Exact name of registrant as specified in its charter)

4 Oppenheimer St, Weizmann Science Park

Rehovot 7670104, Israel

(Address of principal executive office)

Indicate by check mark whether the registrant files or will file annual reports under cover of Form 20-F or Form 40-F.

Form 20-F ☒          Form 40-F ☐

The first four paragraphs of the press release attached to this Form 6-K as Exhibit 99.1 are hereby incorporated by reference into the registrant’s Registration Statements on Form S-8 (File No. 333-229163, 333-248479 and 333-263842) and Form F-3 (File No. 333-228054, 333-238731 and 333-269087), to be a part thereof from the date on which this report is submitted, to the extent not superseded by documents or reports subsequently filed or furnished.

On April 4, 2023, CollPlant Biotechnologies Ltd. issued a press release entitled “Stratasys and CollPlant Unite Technologies to Transform Healthcare With Industrial-Scale Bioprinting of Tissues and Organs”.

Attached hereto and incorporated by reference herein are the following 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.

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