secwatch.observer — SEC 8-K summary
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Issuer:     Karyopharm Therapeutics Inc. (KPTI)
CIK:        0001503802
Form:       8-K
Filed at:   2026-09-11T11:45:19+00:00
Accession:  0001193125-26-388621
Event type: debt
Sentiment:  negative
Materiality: 0.98
Item codes: 1.01, 2.04, 3.02, 8.01, 9.01
LLM model:  deepseek-v4-flash:cloud@v2

Karyopharm misses $15.8M debt payment, enters forbearance; going-concern doubt through Oct 15
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- Missed $15.8M principal installment due Sept 10, 2026 under Credit Agreement; events of default and cross-defaults triggered.
- Forbearance runs to Oct 15, 2026; no waiver of defaults, creditors reserve remedies; defaulted debt bears +2.00% interest.
- Issuing 20,000 shares of 0% convertible preferred stock at $1,000/share to pay $20M forbearance fees; conversion at $1.62/share.
- Liquidity funds operations only until Oct 15, 2026; absent new funding or deal, company unable to continue as going concern.
- Outstanding: ~$129M term loan, $15.6M 2028 notes, $108M 2029 notes; $113.5M future royalty obligations.

Source:
  EDGAR index:    https://www.sec.gov/Archives/edgar/data/1503802/000119312526388621/0001193125-26-388621-index.htm
  Primary doc:    https://www.sec.gov/Archives/edgar/data/1503802/000119312526388621/d94769d8k.htm
  HTML page:      https://secwatch.observer/filing/0001193125-26-388621

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