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: June 28, 2018 

(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, Wisconsin 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))

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter).

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. ¨

ITEM 7.01  REGULATION FD DISCLOSURE

On June 28, 2018, we issued a press release announcing that we will expand patient enrollment in the diffuse large b-cell lymphoma (DLBCL) cohort of our currently enrolling Phase 2 clinical trial of CLR 131. 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 June 28, 2018, titled “Cellectar Announces Expansion of Diffuse Large B-Cell Lymphoma Cohort in CLR 131 Phase 2 Trial”

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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:  June 28, 2018	CELLECTAR BIOSCIENCES, INC.
	By:	/s/ Brian M. Posner
		Name:	Brian M. Posner
		Title:	Chief Financial Officer

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