Equillium, Inc. (EQ)
NASDAQ: EQ · Real-Time Price · USD
2.050
+0.010 (0.49%)
At close: Apr 28, 2026, 4:00 PM EDT
2.012
-0.038 (-1.86%)
After-hours: Apr 28, 2026, 5:50 PM EDT

Company Description

Equillium, Inc., a clinical-stage biotechnology company, develops therapeutics to treat severe autoimmune and inflammatory, or immuno-inflammatory disorders in the United States.

The company develops EQ504, a novel AhR modulator that is in preclinical-stage for the treatment of ulcerative colitis and lung inflammation diseases.

It also develops EQ302, a bi-specific inhibitor of IL-15 and IL-21 formulated for oral delivery for the treatment of celiac diseases.

The company was formerly known as Attenuate Biopharmaceuticals, Inc. and changed its name to Equillium, Inc. in May 2017.

Equillium, Inc. was incorporated in 2017 and is headquartered in La Jolla, California.

Equillium, Inc.
Equillium logo
Country United States
Founded 2017
IPO Date Oct 11, 2018
Industry Biotechnology
Sector Healthcare
Employees 35
CEO Bruce Steel

Contact Details

Address:
2223 Avenida De La Playa, Suite 105
La Jolla, California 92037
United States
Phone 858 240 1200
Website equilliumbio.com

Stock Details

Ticker Symbol EQ
Exchange NASDAQ
Stock Type Common Stock
Fiscal Year January - December
Reporting Currency USD
CIK Code 0001746466
CUSIP Number 29446K106
ISIN Number US29446K1060
Employer ID 82-1554746
SIC Code 2834

Key Executives

Name Position
Bruce D. Steel C.F.A. Co-Founder, Chief Executive Officer and Director
Dr. Stephen Connelly Ph.D. Chief Scientific Officer and President
Christine Zedelmayer M.B.A., P.M.P. Senior Vice President and Chief Operating Officer
Penny Tom CPA Senior Vice President of Finance and Principal Accounting Officer
Michael Moore Vice President of Investor Relations and Corporate Communications
Dr. Lisette Acevedo Vice President of Clinical Development

Latest SEC Filings

Date Type Title
Apr 16, 2026 EFFECT Notice of Effectiveness
Apr 15, 2026 ARS Filing
Apr 15, 2026 DEFA14A Additional definitive proxy soliciting materials and Rule 14(a)(12) material
Apr 15, 2026 DEF 14A Other definitive proxy statements
Apr 7, 2026 S-3 Registration statement under Securities Act of 1933
Mar 30, 2026 PRE 14A Other preliminary proxy statements
Mar 25, 2026 EFFECT Notice of Effectiveness
Mar 25, 2026 S-8 Securities to be offered to employees in employee benefit plans
Mar 25, 2026 10-K Annual Report
Mar 25, 2026 8-K Current Report