U.S. SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q [mark one] x QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended: June 30, 2019 ¨ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from ______________ to ______________ Commission File Number 1-36598 CELLECTAR BIOSCIENCES, INC. ( Exact name of registrant as specified in its charter ) DELAWARE 04-3321804 ( ...

U.S. SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Large accelerated filer ¨ Accelerated filer ¨ Non-accelerated filer x Smaller reporting company x Emerging growth company ¨ Securities registered pursuant to Section 12(b) of the Act: Title of each class Trading Symbol(s) Name of each exchange on which registered Common stock, par value $0.00001 Warrant to purchase common stock, expiring August 20, 2019 Warrant to purchase common stock, expiring April 20, 2021 CLRB CLRBW CLRBZ NASDAQ Capital Mar ...

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K x ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the Fiscal Year Ended: December 31, 2018 ¨ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from _________ to _________. Commission File Number 333-119366 CELLECTAR BIOSCIENCES, INC. (Exact name of Registrant as specified in its Charter) Delaware 04-3321804 (State or other ...

Corporate Presentation February 2019 NASDAQ: CLRB Forward-Looking Statements This presentation contains forward-looking statements. Such statements are valid only as of today and we disclaim any obligation to update this information. These statements are only estimates and predictions and are subject to known and unknown risks and uncertainties that may cause actual future experiences and results to differ materially from the statements made. These statements are based on our current beliefs and expectation ...