---
schema_version: "secwatch.filing_event.v1"
accession: "0001503802-26-000027"
form_type: "8-K"
ticker: "KPTI"
cik: "0001503802"
company_name: "Karyopharm Therapeutics Inc."
filed_at: "2026-05-28T20:15:13+00:00"
generated_at: "2026-05-28T20:18:25.536475+00:00"
event_type: "other_material"
sentiment: "neutral"
materiality_score: 0.55
calibrated_materiality_score: 0.55
confidence: "high"
source: SEC EDGAR
---

# Karyopharm shareholders approve equity plan amendments; board approves milestone-based PSU awards for executives

## Summary
- Shareholders approved 3M share increase under 2022 Equity Incentive Plan and 1.4M under ESPP at May 21 annual meeting.
- Directors Barry E. Greene and Christy J. Oliger elected as Class I directors for three-year terms.
- Board approved retention program granting PSUs vesting on clinical milestones; CEO Richard Paulson awarded 343,000 PSUs per award.
- Named executives (CMO, CFO, CDO) each received 130,000-150,000 PSUs per award; total 3,838,380 PSUs granted to all eligible employees.
- Board adopted further amendment to increase authorized shares by 950,000, subject to stockholder approval by May 31, 2027.

## SEC filing metadata
- accession: 0001503802-26-000027
- form_type: 8-K
- ticker: KPTI
- cik: 0001503802
- company_name: Karyopharm Therapeutics Inc.
- filed_at: 2026-05-28T20:15:13+00:00
- event_type: other_material
- sentiment: neutral
- materiality_score: 0.55
- calibrated_materiality_score: 0.55
- confidence: high
- sec_items: 5.02, 5.07, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1503802/000150380226000027/0001503802-26-000027-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1503802/000150380226000027/kpti-20260521.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001503802-26-000027
- JSON: https://secwatch.observer/filing/0001503802-26-000027.json
- Plain text: https://secwatch.observer/filing/0001503802-26-000027.txt

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