Karyopharm Therapeutics Inc. (KPTIQ)
OTCMKTS · Delayed Price · Currency is USD
0.0254
-0.0001 (-0.39%)
At close: Nov 13, 2026

Karyopharm Therapeutics Company Description

Karyopharm Therapeutics Inc., a commercial-stage pharmaceutical company, discovers, develops, and commercializes drugs directed against nuclear export for the treatment of cancer and other diseases in the United States.

The company discovers, develops, and commercializes novel and small molecule Selective Inhibitor of Nuclear Export (SINE) compounds that inhibit the nuclear export protein exportin 1 (XPO1).

Its lead compounds include XPOVIO in combination with bortezomib and dexamethasone for the treatment of adult patients with multiple myeloma; in combination with dexamethasone for the treatment of adult patients with relapsed or refractory multiple myeloma; and for the treatment of adult patients with relapsed or refractory diffuse large B-cell lymphoma (DLBCL).

It also develops Selinexor for treating hematological and solid tumor malignancies, including multiple myeloma, endometrial cancer, myelofibrosis, and DLBCL; and ELTANEXOR for treating other myeloproliferative neoplasms and TP53 wild-type solid tumors.

In addition, the company has license agreement with Menarini Group to develop and commercialize selinexor for human oncology indications; license agreement with Antengene Therapeutics Limited to develop and commercialize selinexor, eltanexor, and KPT-9274 for the treatment and/or prevention of human oncology indications, as well as verdinexor for the diagnosis, treatment, and/or prevention of human non-oncology indications; and distribution agreement for the commercialization of XPOVIO with FORUS Therapeutics Inc. Further, the company has a collaboration with Bristol Myers Squibb company to evaluate novel cereblon E3 ligase modulator agent mezigdomide in combination with Selinexor in patients with relapsed or refractory multiple myeloma.

Karyopharm Therapeutics Inc. was incorporated in 2008 and is headquartered in Newton, Massachusetts.

On November 2, 2026, Karyopharm Therapeutics Inc., along with its affiliate, filed a voluntary petition for reorganization under Chapter 11 in the U.S. Bankruptcy Court for the Southern District of Texas.

Karyopharm Therapeutics Inc.
CountryUnited States
Founded2008
IndustryBiotechnology
SectorHealthcare
Employees228
CEORichard Paulson

Contact Details

Address:
85 Wells Avenue
Newton, Massachusetts 02459-3298
United States
Phone617 658 0600
Websitekaryopharm.com

Stock Details

Ticker SymbolKPTIQ
ExchangeOTCMKTS
Stock TypeCommon Stock
Fiscal YearJanuary - December
Reporting CurrencyUSD
ISIN NumberUS48576U2050
SIC Code2836

Key Executives

NamePosition
Richard PaulsonChief Executive Officer
Lori MacomberChief Financial Officer
Brendan StrongHead of Investor Relations