Karyopharm enters creditor forbearance pact after missing USD 15.8 million term-loan payment
KPTI•Default interest and other missed payments
Default-rate interest applies: term-loan obligations accrue an additional 2% per year from Sept. 10, and unpaid term-loan interest accrues an extra 2% from Sept. 30.
Karyopharm also missed June 30 cash interest on its 9.00% Convertible Senior Notes due 2028 and 2029; the defaulted amounts accrue an additional 2% per year.
Forbearance pact after missed term-loan payment
Karyopharm signed a forbearance agreement on Sept. 10, 2026 with term-loan lenders, noteholders and royalty investors to delay enforcement on specified defaults.
The company missed a USD 15.8 million term-loan principal installment due Sept. 10 and does not expect to pay cash interest due Sept. 30.
Forbearance timeline and potential consequences
The forbearance runs to Oct. 15, 2026 unless terminated earlier.
If the agreement is terminated, overdue amounts would become immediately payable in cash and could be accelerated.
