[8-K] Cellectar Biosciences, Inc. Reports Material Event

Rhea-AI Filing Summary

Cellectar Biosciences (CLRB) furnished an 8-K announcing it issued a press release with third‑quarter 2025 financial results and a corporate update. The press release covers the quarter ended September 30, 2025 and is provided as Exhibit 99.1 dated November 13, 2025. The company’s common stock trades on The Nasdaq Capital Market under the symbol CLRB.

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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 (Date of earliest event reported): November 13, 2025

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 No.)

100 Campus Drive, Florham Park, NJ, 07932

(Address of principal executive offices) (Zip Code)

Registrant’s telephone number, including area code: (608) 441-8120

N/A

(Former Name or Former Address, if Changed Since Last Report)

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))

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 per share		CLRB		The Nasdaq Capital Market

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 2.02. Results of Operations and Financial Condition.

On November 13, 2025, we issued a press release announcing our financial results for the quarter ended September 30, 2025, and provided a corporate update. 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 November 13, 2025, titled “Cellectar Biosciences Reports Third Quarter 2025 Financial Results and Provides Corporate Update”
104		Cover Page Interactive Data File (formatted as Inline XBRL and contained in Exhibit 101)

SIGNATURES

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.

	CELLECTAR BIOSCIENCES, INC.
Date: November 13, 2025	By:	/s/ Chad J. Kolean
	Name:	Chad J. Kolean
	Title:	Chief Financial Officer

FAQ

What did Cellectar Biosciences (CLRB) disclose in this 8-K?

It furnished a press release announcing third‑quarter 2025 financial results and provided a corporate update.

Which period do the results cover for CLRB?

The results cover the quarter ended September 30, 2025.

When was the press release issued by CLRB?

The press release is dated November 13, 2025.

Where can I find the press release in the filing?

It is included as Exhibit 99.1 titled “Cellectar Biosciences Reports Third Quarter 2025 Financial Results and Provides Corporate Update.”

What is Cellectar Biosciences’ trading symbol and exchange?

The common stock trades on The Nasdaq Capital Market under the symbol CLRB.

Does the filing include detailed financial figures?

Detailed figures are contained in the furnished press release attached as Exhibit 99.1.