---
schema_version: "secwatch.filing_event.v1"
accession: "0001193125-25-233983"
form_type: "8-K"
ticker: "KPTI"
cik: "0001503802"
company_name: "Karyopharm Therapeutics Inc."
filed_at: "2025-10-08T23:59:59+00:00"
generated_at: "2026-05-17T04:18:35.513378+00:00"
event_type: "debt"
sentiment: "negative"
materiality_score: 0.95
calibrated_materiality_score: 0.95
confidence: "high"
source: SEC EDGAR
---

# KPTI closes $67.5M debt package, note exchanges & $8.75M equity; runway into Q2 2026

## Summary
- $27.5M new term loan (SOFR+10.25%), $25M interest/royalty deferrals, $15M liquidity covenant relief.
- Exchanged $15M 2029 notes for new 9% 2028 notes and $24.25M Oct 2025 notes for stock & warrants.
- Raised $8.75M via private placement of 7.2M shares and warrants at $6.64 exercise price.
- Pro forma cash ~$36M; shares outstanding ~15.9M; total debt $112.5M term loan, $15M+$103.5M convert notes.
- Lenders get board observer; interest payments paid-in-kind through March 2026, cash starts June 2026.

## SEC filing metadata
- accession: 0001193125-25-233983
- form_type: 8-K
- ticker: KPTI
- cik: 0001503802
- company_name: Karyopharm Therapeutics Inc.
- filed_at: 2025-10-08T23:59:59+00:00
- event_type: debt
- sentiment: negative
- materiality_score: 0.95
- calibrated_materiality_score: 0.95
- confidence: high
- sec_items: 1.01, 2.02, 2.03, 3.02, 5.02, 7.01, 8.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1503802/000119312525233983/0001193125-25-233983-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1503802/000119312525233983/d940170d8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001193125-25-233983
- JSON: https://secwatch.observer/filing/0001193125-25-233983.json
- Plain text: https://secwatch.observer/filing/0001193125-25-233983.txt

This AI-assisted summary is a reading aid. Review the linked SEC EDGAR filing before relying on any specific claim.