UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): July 23, 2024 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) (I.R.S. Employer Identification Number) 100 Campus Drive, Florham Park, NJ, 07932 (Address of Princi ...