argenx SE (ARGX)
NASDAQ: ARGX · Real-Time Price · USD
691.40
-1.43 (-0.21%)
At close: Mar 27, 2026, 4:00 PM EDT
705.22
+13.82 (2.00%)
After-hours: Mar 27, 2026, 5:58 PM EDT

Company Description

argenx SE, a commercial-stage biopharma company, develops various therapies for the treatment of autoimmune diseases in the United States, Japan, China, the Netherlands, and internationally.

The company offers VYVGART for the treatment of gMG and immune thrombocytopenia (ITP), and VYVGART HYTRULO for the treatment of gMG and chronic inflammatory demyelinating polyneuropathy (CIDP).

It also develops efgartigimod for the treatment of seronegative gMG, ocular myasthenia gravis (MG), primary ITP, grave’s disease, myositis, Sjögren’s disease, systemic sclerosis, and AMR; empasiprubart for MMN, delayed graft function, and CIDP; and adimanebart for congenital myasthenic syndrome and spinal muscular atrophy.

In addition, the company is developing ARGX-213, a neonatal Fc receptor (FcRn)-targeted antibody engineered for half-life extension and sustained IgG reduction; ARGX-124, a FcRn pipeline candidate; ARGX-109, which targets IL-6 to treat inflammation; ARGX-121, which targets immunoglobulin A; and ARGX-118, which develops antibodies against Galectin-10, as well as cusatuzumab, ARGX-112, ARGX-114, and ARGX-115.

It has strategic partnerships and license agreements with Zai Lab to develop and commercialize efgartigimod; Halozyme Therapeutics to its ENHANZE for the prevention and treatment of human diseases; OncoVerity, Inc for cusatuzumab; and AbbVie, Inc. for ARGX-115.

argenx SE was incorporated in 2008 and is based in Amsterdam, the Netherlands.

argenx SE
argenx SE logo
CountryNetherlands
Founded2008
IPO DateMay 18, 2017
IndustryBiotechnology
SectorHealthcare
Employees1,599
CEOTimothy Van Hauwermeiren

Contact Details

Address:
Laarderhoogtweg 25
Amsterdam, 1101 EB
Netherlands
Phone31 10 703 8441
Websiteargenx.com

Stock Details

Ticker SymbolARGX
ExchangeNASDAQ
Fiscal YearJanuary - December
Reporting CurrencyUSD
CIK Code0001697862
CUSIP Number04016X101
ISIN NumberUS04016X1019
SIC Code2836

Key Executives

NamePosition
Timothy Van Hauwermeiren EMBA, M.Sc.Co-Founder, Chief Executive Officer and Executive Director
Karl GubitzChief Financial Officer
Karen MasseyChief Operating Officer
Dr. Peter UlrichtsChief Scientific Officer
Malini MoorthyGeneral Counsel
Arjen Lemmen M.Sc.Vice President of Corporate Development and Strategy
Andria WilkGlobal Head of Quality
Dr. Luc TruyenChief Medical Officer
Prof. Hans de Haard Ir, Ph.D.Co-Founder and Member of Board Advisors
Filip BorgionsChief Technology Innovation Officer

Latest SEC Filings

DateTypeTitle
Mar 20, 20266-KReport of foreign issuer
Mar 19, 202620-FAnnual and transition report of foreign private issuers
Mar 19, 20266-KReport of foreign issuer
Mar 6, 20266-KReport of foreign issuer
Feb 26, 20266-KReport of foreign issuer
Feb 26, 20266-KReport of foreign issuer
Jan 13, 20266-KReport of foreign issuer
Jan 12, 20266-KReport of foreign issuer
Jan 5, 20266-KReport of foreign issuer
Dec 17, 2025S-8Securities to be offered to employees in employee benefit plans