Immunotherapies for Life

Investor FAQs

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Where is Y-mAbs’ corporate headquarters?
Our corporate headquarters are located at 230 Park Avenue, Suite 3350, New York, NY 10169 USA and our telephone number is +1 (646) 885 8505.
Where and when was Y-mAbs incorporated?
We were incorporated under the laws of the State of Delaware on April 30, 2015.
When did Y-mAbs go public?
Our shares began trading on Nasdaq Global Market in September 2018.
What is Y-mAbs’ fiscal year?
Our fiscal year begins January 1st and ends December 31st
How is Y-mAbs stock traded?
Our shares are traded on Nasdaq Global Market under the symbol “YMAB”.
What is your corporate structure?
We own (100%) Y-mAbs Therapeutics A/S, a Danish limited liability company incorporated in Denmark located at Agern Allé 11, ground floor, 2970 Hoersholm, Denmark and with the following telephone number: +45 70 26 14 14.
Who makes up the Y-mAbs Senior Management team and Board of Directors?
Please visit our Senior Management and Board of Directors pages.
Does Y-mAbs pay dividends?
We have never declared nor paid cash dividends. We currently intend to retain all available funds and all of our future earnings, if any, to finance the growth and development of our business. We do not intend to pay cash dividends in the foreseeable future.
Who is Y-mAbs’ transfer agent and registrar?

Our transfer agent and registrar is American Stock Transfer & Trust Company, LLC.

The transfer agent and registrar’s address is American Stock Transfer & Trust Company, LLC, 6201 15th Avenue, Brooklyn, NY 11219, Attention: Relationship Management

Whom do I contact with questions about my stock?
Please contact our registrar and transfer agent.
How do I transfer stock, change the address on my shareholder account, or replace a lost stock certificate?
American Stock Transfer & Trust Company, LLC is available to assist shareholders with changes of address, transfers of stock certificates into another name, and replacement of lost stock certificates.
Does Y-mAbs have a direct stock purchase plan?
We do not currently have a direct stock purchase plan.
Who is Y-mAbs’ auditor?
Our auditors are PricewaterhouseCoopers LLP, 400 Campus Dr Florham Park, NJ 07932, +1 (973) 236 4000 or +1 (973) 236 7000.
Who is Y-mAbs’ outside legal counsel?
Our outside legal counsel is Satterlee Stephens LLP, 230 Park Avenue, New York, NY 10169, +1 (212) 818-9200.
Where can I get the latest corporate news releases and financial reports?
Corporate news releases can be found under News Releases on our Investors webpage. Quarterly and annual reports, as well as other SEC filings, can be found in the SEC Filings section of our Investors webpage or directly from the SEC at www.sec.gov.
How can I view documents Y-mAbs has filed with the Securities & Exchange Commission (SEC), including Forms 10-K and 10-Q?
Quarterly and annual reports, as well as other SEC filings, can be found in the SEC Filings section of our Investors webpage or directly from the SEC at www.sec.gov.
Whom should I contact regarding investor inquiries?
Additional information is available on our investor relations home page. You may also e-mail info@ymabs.com