Nektar Therapeutics (NKTR)
NASDAQ: NKTR · Real-Time Price · USD
83.81
-2.93 (-3.38%)
At close: Apr 28, 2026, 4:00 PM EDT
83.55
-0.26 (-0.31%)
After-hours: Apr 28, 2026, 7:58 PM EDT

Company Description

Nektar Therapeutics, a biopharmaceutical company, focuses on discovering and developing medicines in the field of immunotherapy in the United States and internationally.

It develops rezpegaldesleukin, which is in Phase 2b to treat underlying immune system imbalance in people with autoimmune disorders and inflammatory diseases; NKTR-0165 to treat ulcerative colitis, vitiligo, and multiple sclerosis; NKTR-0166 to treat autoimmune disease; NKTR-422 to treat fibrotic diseases; and NKTR-255 to treat solid tumors and large b-cell lymphoma.

It has collaboration agreements with Takeda Pharmaceutical Company Ltd.; AstraZeneca AB; UCB Pharma; F.

Hoffmann-La Roche Ltd; Bausch Health Companies Inc.; Pfizer Inc.; UCB Pharma (Biogen); Bristol-Myers Squibb Company; and Merck KGaA.

The company was incorporated in 1990 and is headquartered in San Francisco, California.

Nektar Therapeutics
Nektar Therapeutics logo
Country United States
Founded 1990
IPO Date May 3, 1994
Industry Biotechnology
Sector Healthcare
Employees 63
CEO Howard Robin

Contact Details

Address:
455 Mission Bay Boulevard South
San Francisco, California 94158
United States
Phone 415 482 5300
Website nektar.com

Stock Details

Ticker Symbol NKTR
Exchange NASDAQ
Stock Type Common Stock
Fiscal Year January - December
Reporting Currency USD
CIK Code 0000906709
CUSIP Number 640268306
ISIN Number US6402683063
Employer ID 94-3134940
SIC Code 2834

Key Executives

Name Position
Howard W. Robin Chief Executive Officer, President and Director
Sandra A. Gardiner Interim Chief Financial Officer
Dr. Jonathan Zalevsky Ph.D. Senior Vice President and Chief Research and Development Officer
Jason Barnard Chief Accounting Officer
Robert Bacci Chief People Officer and Head of Quality and Facilities
Jennifer Ruddock Chief Business Officer
Dr. Mary Tagliaferri L.Ac., M.D. Chief Medical Officer
Dr. Ken Franke Ph.D. Senior Vice President of Biologics Process Development and Manufacturing
Charleen Jue Senior Vice President of Clinical Development Operations
Takahiro Miyazaki Senior Vice President and Head of Research

Latest SEC Filings

Date Type Title
Apr 24, 2026 ARS Filing
Apr 24, 2026 DEFA14A Additional definitive proxy soliciting materials and Rule 14(a)(12) material
Apr 24, 2026 DEF 14A Other definitive proxy statements
Apr 23, 2026 8-K Current Report
Apr 23, 2026 424B5 Filing
Apr 20, 2026 424B5 Filing
Apr 20, 2026 8-K Current Report
Apr 20, 2026 8-K Current Report
Apr 17, 2026 SCHEDULE 13G Filing
Mar 27, 2026 SCHEDULE 13G/A Filing