
Cellectar Biosciences, Inc. — Investor Relations & Filings
Cellectar Biosciences, Inc. is a clinical-stage biopharmaceutical company focused on the discovery and development of targeted cancer treatments. The company's core technology is a proprietary Phospholipid Drug Conjugate (PDC) platform that selectively delivers therapeutic payloads, such as radioisotopes and cytotoxins, to cancer cells by targeting lipid rafts in their plasma membranes. This approach is designed to maximize antitumor activity while minimizing off-target effects on healthy tissue. Cellectar's lead product candidate is iopofosine I 131, a first-in-class PDC that delivers the radioisotope iodine-131. It is being developed for the treatment of hematologic malignancies and has received Breakthrough Therapy Designation from the U.S. Food and Drug Administration (FDA) for Waldenstrom's Macroglobulinemia.
Recent filings
| Filing | Released | Lang | Actions |
|---|---|---|---|
| FORM S-1 | 2026-05-19 | English | |
| FORM 8-K | 2026-05-18 | English | |
| FORM 8-K | 2026-05-14 | English | |
| 10-Q | 2026-05-14 | English | |
| 8-K - Cellectar Biosciences, Inc. (0001279704) (Filer) | 2026-05-08 | English | |
| 424B5 - Cellectar Biosciences, Inc. (0001279704) (Filer) | 2026-05-06 | English |
Browse filings by year
17 years| ID | Filing | Released | Lang | Actions | |
|---|---|---|---|---|---|
|
2026
10 filings
| |||||
| 46558783 | FORM S-1 | 2026-05-19 | English | ||
| 46457765 | FORM 8-K | 2026-05-18 | English | ||
| 45974509 | FORM 8-K | 2026-05-14 | English | ||
| 45960688 | 10-Q | 2026-05-14 | English | ||
| 44193355 | 8-K - Cellectar Biosciences, Inc. (0001279704) (Filer) | 2026-05-08 | English | ||
| 41896263 | 424B5 - Cellectar Biosciences, Inc. (0001279704) (Filer) | 2026-05-06 | English | ||
| 32889429 | 8-K - CELLECTAR BIOSCIENCES, INC. (0001279704) (Filer) | 2026-03-04 | English | ||
| 32889430 | 10-K - CELLECTAR BIOSCIENCES, INC. (0001279704) (Filer) | 2026-03-04 | English | ||
| 28618259 | SCHEDULE 13G/A Filing | 2026-02-10 | English | ||
| 28618181 | SCHEDULE 13G/A Filing | 2026-02-04 | English | ||
|
2025
5 filings
| |||||
| 11656913 | OWNERSHIP DOCUMENT | 2025-12-17 | English | ||
| 11656916 | 424B3 | 2025-11-21 | English | ||
| 11656918 | Major Shareholding Notification 2025 | 2025-11-14 | English | ||
| 11656919 | FORM 8-K | 2025-11-13 | English | ||
| 11656917 | 10-Q | 2025-11-13 | English | ||
Market data
Market data not available
Price history
Peer group · Manufacture of pharmaceuticals, medicinal chemical and botanical products
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Cellectar Biosciences, Inc. via the API
Pull this company's filings, identifiers, and metadata as JSON or Markdown. Authenticate with your API key, then query by company ID, ISIN, or LEI. Full schema documented in the OpenAPI spec.
Endpoints
| GET | /api/companies/35021/ | Company identity, sector, listing, identifiers |
| GET | /api/filings/?company=35021 | Paginated list of all filings (filterable by type, date, language) |
| GET | /api/filings/{id}/ | Single filing — metadata, document URL, processing status |
| GET | /api/filings/{id}/markdown/ | Filing content as Markdown (PDF → text/tables/figures) |
| GET | /api/isins/?company=35021 | All ISINs registered to this company |
| GET | /api/filing-types/ | Reference: every filing-type code + category |
cURL
$ curl https://api.financialreports.eu/api/filings/?company=35021 \ -H "x-api-key: $FR_API_KEY" \ -H "Accept: application/json"
Python
import requests r = requests.get( "https://api.financialreports.eu/api/filings/", params={"company": 35021}, headers={"x-api-key": API_KEY}, ) filings = r.json()["results"]
MCP server
// MCP server URL https://mcp.financialfilings.com/mcp // Once connected, the LLM can query this company directly: "Pull the latest 5 filings for Cellectar Biosciences, Inc. (id: 35021)"
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