Report of Foreign Issuer (6-k)

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 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 November 2017

Commission File Number 001-33042

ROSETTA GENOMICS LTD.

(Translation of registrant’s name into English)

10 Plaut Street, Science Park

Rehovot 76706, Israel

(Address of Principal Executive Offices)

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

Form 20-F x Form 40-F ¨

Indicate by check mark if the registrant is submitting the Form 6-K in paper as permitted by Regulation S-T Rule 101(b)(1): ¨

Indicate by check mark if the registrant is submitting the Form 6-K in paper as permitted by Regulation S-T Rule 101(b)(7): ¨

Rosetta Genomics Ltd.

On November 13, 2017, Dr. David Sidransky, M.D., notified Rosetta Genomics Ltd. (the “Company”) that he was resigning as a director, effective immediately, due to other professional obligations.

Dr. Sidransky's resignation from the Boards of Directors did not result from any disagreement with the Company, the Company's management or the Board of Directors.

The information contained in this Report (including the exhibits hereto) is hereby incorporated by reference into the Company’s Registration Statements on Form F-3, File Nos. 333-163063, 333-171203, 333-172655, 333-177670, 333-185338, 333-207697 and 333-210366, and Form S-8, File Nos. 333-141525, 333-147805, 333-165722 and 333-191072, to the extent not superseded by documents or reports subsequently filed or furnished.

Signatures

Pursuant to the requirements of the Securities Exchange Act of 1934, as amended, the Registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.