---
schema_version: "secwatch.filing_event.v1"
accession: "0001104659-25-060661"
form_type: "8-K"
ticker: "CLRB"
cik: "0001279704"
company_name: "Cellectar Biosciences, Inc."
filed_at: "2025-06-18T23:59:59+00:00"
generated_at: "2026-05-19T02:34:12.675872+00:00"
event_type: "other_material"
sentiment: "neutral"
materiality_score: 0.5
calibrated_materiality_score: 0.5
confidence: "high"
source: SEC EDGAR
---

# Cellectar Biosciences announces 1-for-30 reverse stock split; effective June 24, 2025

## Summary
- Approved by stockholders at June 13, 2025 annual meeting; board set final ratio as 1-for-30.
- Reduces outstanding shares from ~54.4M to ~1.8M; effective at 12:01 a.m. ET on June 24.
- Fractional shareholders will receive cash in lieu; authorized shares and par value unchanged.
- Ticker remains CLRB on Nasdaq; new CUSIP number 15117F880 begins June 24.
- Outstanding options, warrants, and preferred stock conversion ratios adjust proportionately.

## SEC filing metadata
- accession: 0001104659-25-060661
- form_type: 8-K
- ticker: CLRB
- cik: 0001279704
- company_name: Cellectar Biosciences, Inc.
- filed_at: 2025-06-18T23:59:59+00:00
- event_type: other_material
- sentiment: neutral
- materiality_score: 0.5
- calibrated_materiality_score: 0.5
- confidence: high
- sec_items: 8.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1279704/000110465925060661/0001104659-25-060661-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1279704/000110465925060661/tm2518341d1_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001104659-25-060661
- JSON: https://secwatch.observer/filing/0001104659-25-060661.json
- Plain text: https://secwatch.observer/filing/0001104659-25-060661.txt

This AI-assisted summary is a reading aid. Review the linked SEC EDGAR filing before relying on any specific claim.