UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

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FORM 8-K

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CURRENT REPORT

PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934

Date of Report: February 27, 2017
(Date of earliest event reported)

CELLECTAR BIOSCIENCES, INC.
(Exact name of registrant as specified in its charter)

Delaware	1-36598	04-3321804
(State or other jurisdiction of incorporation)	(Commission File Number)	(IRS Employer Identification Number)

3301 Agriculture Drive
Madison, WI 53716
(Address of principal executive offices)

(608) 441-8120
(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))

ITEM 7.01 REGULATION FD DISCLOSURE

On February 27, 2017, we issued a press release providing an update of our Phase I clinical study of CLR 131 in patients with relapsed or refractory multiple myeloma following the previously announced successful completion of our third cohort and initiation of Cohort 4 at a 31.25 mCi/m2 dose. A copy of the press release is furnished as Exhibit 99.1 and is incorporated by reference herein.

ITEM 9.01 FINANCIAL STATEMENTS AND EXHIBITS

(d) Exhibits

Number	Title
99.1	Press release dated February 27, 2017, entitled “Cellectar Biosciences Provides Phase I Trial Update of CLR 131 in Multiple Myeloma: Median Progression-Free Survival Extends to 133 Days, Median Overall Survival Reaches 17.7 Months”

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SIGNATURE

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 hereunto duly authorized.

Dated:  February 27, 2017	CELLECTAR BIOSCIENCES, INC.
	By:	/s/  Chad J. Kolean
		Name:  Chad J. Kolean
		Title:  Vice President and Chief Financial Officer

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