# Celldex Therapeutics (CLDX) — Overview

CLDX · NASDAQ · Stock

Canonical page: https://www.lighthorse.io/tickers/cldx

## Price

Last close $28.93 on Oct 15, 2026. 52-week range $22.58 – $44.87.

## Company profile

Celldex Therapeutics Inc is a biopharmaceutical firm focused on mast cell biology and the development of therapeutic antibodies. Its pipeline includes monoclonal and bispecific antibodies aimed at treating severe inflammatory, allergic, autoimmune, and other mast cell-mediated diseases. The company operates in a single operating and reportable segment in the business of development, manufacturing and commercialization of novel therapeutics for human health care.

## Frequently Asked Questions

### How do I buy stock in Celldex Therapeutics (CLDX)?

CLDX trades commission-free with a Light Horse Securities brokerage account — from the mobile app, the web at [Light Horse Dashboard](https://portal.lighthorse.io), the trading API, or an [AI agent connected over MCP](/instructions/ai/claude). The trade panel on this page places the order once you are signed in.

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