Join us as we transform immunology and deliver medicines that help autoimmune patients get their lives back. argenx is preparing for multi-dimensional expansion to reach more patients through a rich pipeline of differentiated assets, led by VYVGART, our first-in-class neonatal Fc receptor blocker approved for the treatment of gMG, and with the potential to treat patients across dozens of severe autoimmune diseases.

We are building a new kind of biotech company, one that maintains its roots as a science-based start-up and pushes our commitment to innovate across all corners of our business. We strive to inspire and grow our company, our partnerships, our science, and our people, because when we do, we deliver more for patients.

The Executive Assistant is responsible for supporting our senior leaders and having experience working independently, being detail-oriented, and having excellent technical and communication skills. This position demands the highest level of confidentiality and trust. One must exhibit skills in building and maintaining strong relationships internally and externally.

Key Accountabilities/Responsibilities:

Manage calendars, making appointments and prioritizing sensitive matters
Heavy scheduling of internal and external calls and meetings
Coordinator and Facilitator of internal and off-site meetings
Providing administrative assistance, such as writing and editing e-mails, drafting memos, and preparing communications on the executive’s behalf
Draft and distribute communications to internal and external stakeholders
Responsible for agenda building, meeting minutes and follow-up
Purchase order requisitions, tracking and payment confirmations; work with applications with contract management and vendor management
Domestic and International travel booking to include air travel, ground transport, accommodations and communicating those arrangements to pertinent persons
Tracking business expenses and submitting expense reports in a timely fashion and in accordance with company policy
Liaise between local and international admin teams
Demonstrate initiative, professionalism and flexibility throughout frequent interruptions, conflicting priorities, and varying workloads
Maintain confidentiality and discretion in all aspects of team and company information
Other additional and/or alternative duties as assigned from time to time, including supporting other departments or Executives as needed

Required Experience and Qualifications:

Associates Degree and/or at least 8+ years of administrative experience, with 4-6 years proven experience as an Executive Assistant to VP/C-Suite level Executives
Experience working in Concur, Oracle, Workday and Sharepoint
Strong proficiency in Microsoft Office (Excel, Word, Outlook, Powerpoint, TEAMS)
Excellent time management skills and proven ability to meet deadlines
Excellent verbal and written communication skills
Strong organizational skills and ability to multitask
Detail orientedProblem-solving and decision making
Proactive, self-directed and works with a sense of urgency
Strong Interpersonal skills
Excellent presentation and communication skills
Boston based, in-office presence averaging 2 days per week
Some domestic/international travel may be required

Preferred Qualifications:

Bachelor’s Degree
Biotech/Life Sciences/Pharma Experience

#LI-hybrid

‎

For applicants in the United States: The annual base salary hiring range for this position is $76,000.00 - $104,500.00 USD. This range reflects our good faith estimate at the time of posting. Individual compensation is determined using objective, inclusive, and job-related criteria such as relevant experience, skills, demonstrated competencies and internal equity. This means actual pay may differ from the posted range when justified by these factors. Because market conditions evolve, pay ranges are reviewed regularly and may be adjusted to remain aligned with external benchmarks.

This job is eligible to participate in our short-term and long-term incentive programs, subject to the terms and conditions of those plans and applicable policies. It also includes a comprehensive benefits package, including but not limited to retirement savings plans, health benefits and other benefits subject to the terms of the applicable plans and program guidelines.

At argenx, all applicants are welcomed in an inclusive environment. They will receive equal consideration for employment without discrimination on the basis of race, color, religion, sex, sexual orientation, gender identity, national origin, protected veteran status, disability, or any other applicable legally protected characteristics. argenx is proud to be an equal opportunity employer.

Before you submit your application, CV or any other personal details to us, please review our argenx Privacy Notice for Job Applicants to learn more about how argenx B.V. and its affiliates (“argenx”) will handle and protect your personal data. If you have any questions or you wish to exercise your privacy rights, please contact our Global Privacy Office by email at [email protected].

If you require reasonable accommodation in completing your application, interviewing, or otherwise participating in the candidate selection process please contact us at [email protected]. Only inquiries related to an accommodation request will receive a response.

About the company

argenx develops and markets antibody-based therapies for severe autoimmune diseases. Its medicines work by modulating the immune system through engineered antibodies, notably efgartigimod (VYVGART for generalized myasthenia gravis and VYVGART Hytrulo for CIDP) that influence FcRn pathways. The company differentiates itself through antibody engineering capabilities and a co-creation model with academic and industry partners, plus a pipeline focused on FcRn-, complement-, and target-directed programs across autoimmune indications. Its goal is to provide effective antibody medicines that improve patient outcomes and expand global access through its development and commercial footprint.

Company Size

1,001-5,000

Company Stage

IPO

Headquarters

Amsterdam, Netherlands

Founded

2008

Get referred to argenx

See people who can refer or advise you

Simplify's Take

What believers are saying

May 8, 2026 FDA approval opened VYVGART to all adult gMG serotypes.
August 17, 2026 ALKIVIA met primary endpoint in autoimmune myositis, adding a multibillion-dollar indication.
September 29, 2026 AANEM data extended VYVGART into ocular MG and longer-duration CIDP use.

What critics are saying

UCB's RYSTIGGO and J&J's nipocalimab attack the same FcRn market by 2027.
VYVGART concentration remains extreme; one franchise drove $2.8 billion first-half 2026 sales.
If ALKIVIA or upcoming myositis filings disappoint, argenx loses its next blockbuster expansion.

What makes argenx unique

VYVGART is first-and-only approved for all adult gMG serotypes after May 8, 2026.
argenx scaled $1.5 billion Q2 2026 product sales with 60% year-over-year growth.
August 27, 2026 Forte acquisition added FB102, broadening the immunology pipeline.

Help us improve and share your feedback! Did you find this helpful?

Benefits

Hybrid Work Options

Growth & Insights and Company News

Headcount

6 month growth

1 year growth

2 year growth

CNBC TV18

Oct 16th, 2026

Mankind Pharma to buy 70% stake in cancer therapy firm ACTx for ₹511 crore.

Mankind Pharma to buy 70% stake in cancer therapy firm ACTx for ₹511 crore. October 16, 2026 | 11:02 IST AI Summary Mankind Pharma has agreed to acquire a 70% stake in Belgium-based Armed Cell Therapeutics for ₹511.18 crore, marking its entry into next-generation cancer cell therapies like armed CAR-T treatments. Mankind Pharma has agreed to acquire a 70% stake in Belgium-based Armed Cell Therapeutics B.V. (ACTx) for €48 million (₹511.18 crore), marking its entry into next-generation cancer cell therapies. The acquisition will be made through Mankind Pharma (Netherlands) B.V., a wholly owned subsidiary that has signed a definitive agreement for the deal. The consideration will be paid entirely in cash in instalments. Completion is subject to any regulatory approvals required under local laws. Mankind Pharma's board, which met on Thursday, also approved an additional investment of up to €45 million in the Dutch subsidiary. The investment will be made in one or more tranches, taking the total approved investment limit to €50 million, including the €5 million sanctioned earlier. The subsidiary was incorporated on August 13, 2026, to hold investments in research and development assets and pursue business development in niche therapies through joint ventures or strategic stakes. It has reported no turnover since its recent incorporation. What ACTx does ACTx is developing next-generation chimeric antigen receptor T-cell (CAR-T) therapies, known as "armed" CAR-T, to treat cancer. Its lead programmes target non-Hodgkin lymphoma and small cell lung cancer. The company is also exploring approaches such as generating CAR-T cells inside the body, known as in vivo CAR-T. CAR-T therapy modifies a patient's immune cells to recognise and attack cancer cells. While the treatment has transformed care for some blood cancers, patients can relapse because the modified cells may not persist or may become exhausted, while cancer cells can develop resistance. Solid tumours pose additional challenges because CAR-T cells can struggle to penetrate tumours and function in their hostile environments. Armed CAR-T therapies are designed with additional biological payloads to strengthen their anti-tumour activity and potentially deliver deeper, more durable responses. Targeting multiple cancer antigens may also help prevent cancer cells from evading treatment. ACTx is headquartered in Belgium, has operations in the Netherlands and conducts research and pre-clinical work in Pittsburgh, the US. Its research and development teams are based in the US and Europe. Its founders include Paul Stoffels, board chair and former chief executive of Galapagos and former chief scientific officer of Johnson & Johnson; John Mellors, chief scientific officer and a professor of medicine at the University of Pittsburgh who previously served as a senior vice-president at Galapagos; and Peter Verhaeghe, former chair of argenx. Mankind bets on innovation-led growth Arjun Juneja, chief operating officer of Mankind Pharma, said the investment marked the first step towards building a global pipeline of breakthrough therapies. "Innovation will be one of the defining growth engines for Mankind over the coming decades," Juneja said, adding that the company aims to make such therapies more accessible to patients in India and worldwide over the long term. Stoffels said next-generation CAR-T therapies could reach more patients if they became more powerful and durable. ACTx now had the assets, team and backing from Mankind to pursue that goal, he said. Mankind said its investment in the Dutch subsidiary would qualify as a related-party transaction but would be exempt under Regulation 23(5) of SEBI's listing regulations because the subsidiary is wholly owned. The subsidiary's investment in ACTx would not constitute a related-party transaction. The deal will not alter Mankind's shareholding in its Dutch subsidiary. Mankind describes itself as one of India's largest pharmaceutical companies, with a field force of more than 18,500 and a reach of over five lakh doctors. It operates 32 manufacturing facilities in India and seven dedicated research and development facilities staffed by more than 740 scientists. Mankind Pharma shares closed at ₹2,347.60 on the NSE on Thursday, up 0.54%.

Business Insider

Oct 8th, 2026

Argenx Se (ARGX) receives a Buy from RBC Capital.

Argenx Se (ARGX) receives a Buy from RBC Capital. Oct. 8, 2026, 09:47 PM In a report released yesterday, Luca Issi from RBC Capital maintained a Buy rating on Argenx Se, with a price target of $1,100.00. According to TipRanks, Issi is an analyst with an average return of -5.6% and a 34.62% success rate. Issi covers the Healthcare sector, focusing on stocks such as Amgen, Arrowhead Pharmaceuticals, and Ionis Pharmaceuticals. The word on The Street in general, suggests a Strong Buy analyst consensus rating for Argenx Se with a $1,182.58 average price target. Based on Argenx Se's latest earnings release for the quarter ending June 30, the company reported a quarterly revenue of $2.82 billion and a net profit of $838.82 million. In comparison, last year the company earned a revenue of $947.96 million and had a net profit of $245.36 million Read More on ARGX:

Yahoo Finance

Oct 8th, 2026

Argenx shares drop 15% as Vyvgart fails Sjögren's trial despite celiac drug success

Argenx shares dropped 15% on Thursday after the Dutch biotech announced its blockbuster drug Vyvgart failed to help patients with Sjögren's disease. An independent monitoring board recommended ending the Phase 3 study "for futility" following an interim analysis. The timing surprised analysts, who weren't expecting results until the second half of 2027. Success in Sjögren's could have generated up to $1.4 billion in peak sales for that indication alone. A separate announcement of successful Phase 2 research into a celiac disease drug failed to offset investor concerns. Argenx acquired the medicine, FB102, through a $2.2 billion takeover of Forte Biosciences this year. TD Securities analyst Yaron Werber models $988 million in peak sales for the celiac drug. Despite the setback, Argenx maintains a market cap of around $50 billion. Vyvgart sales reached $1.5 billion in the second quarter alone.

Yahoo Finance

Oct 5th, 2026

10 analysts set Argenx price targets above $1,200 as biotech's revenue surges 60%

Argenx, a biopharmaceutical company with a market capitalisation near $60 billion, has caught the attention of Wall Street analysts. Ten analysts predict the biotech stock will reach at least $1,200 over the next 12 months, up from around $919 as of 2 October 2026. Wells Fargo and UBS set the highest price targets at $1,415 and $1,400 respectively, representing potential gains exceeding 50%. The average price target amongst 21 analysts stands at approximately $1,182, suggesting 29% upside. All but one analyst recommends buying the stock. Argenx's optimism stems from strong performance, delivering $1.5 billion in global product net sales last quarter, up 60% year over year. Its flagship drugs Vyvgart and Vyvgart Hytrulo drive growth, with additional approvals for autoimmune diseases potentially forthcoming.

ReachMD

Sep 30th, 2026

argenx to Present New VYVGART Data in MG and CIDP, Plus Pipeline Results, at AANEM 2026.

argenx to Present New VYVGART Data in MG and CIDP, Plus Pipeline Results, at AANEM 2026. 09/30/2026 Key Takeaways * argenx will present data on its portfolio and pipeline at the AANEM Annual Meeting and the MGFA Scientific Session, September 29 to October 2 in Orlando, Florida, including four oral presentations and dozens of posters. * New VYVGART (efgartigimod) results include deepening improvement in ocular myasthenia gravis (MG), sustained one-year efficacy in anti-AChR antibody-negative generalized MG (gMG), real-world data on earlier treatment, and long-term and switch data in chronic inflammatory demyelinating polyneuropathy (CIDP). * argenx will also present Phase 2 empasiprubart data in multifocal motor neuropathy (MMN) and Phase 1b adimanebart data in DOK7 congenital myasthenic syndrome (CMS). argenx, an Amsterdam-based immunology company, announced it will present clinical, long-term, and real-world data for VYVGART (intravenous efgartigimod alfa-fcab) and VYVGART Hytrulo (subcutaneous efgartigimod alfa and hyaluronidase-qvfc), along with results for two pipeline candidates. Chief Medical Officer Luc Truyen, M.D., Ph.D., said the data show how far the evidence for VYVGART reaches, across years of treatment and into patient populations historically left out of clinical trials. In MG, the company will present three sets of findings: * Ocular MG. In the Phase 3 ADAPT OCULUS study, patient-reported ocular scores on the Myasthenia Gravis Impairment Index (MGII) improved further after two VYVGART cycles beyond the placebo-controlled period. Scores went from -4.5 to -6.8 points in patients with anti-AChR antibodies and from -2.7 to -4.5 points in triple-seronegative patients. The company says the results build on evidence for VYVGART's potential as the first targeted treatment for ocular MG.

argenx

Executive Assistant

About the job