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KARYOPHARM THERAPEUTICS INC (KPTI)

Institutional ownership, SEC filings and insider activity

Sector: Healthcare & Pharma · SEC CIK 0001503802 · EDGAR filings · Updated 2026-07-28

KARYOPHARM THERAPEUTICS INC (KPTI) has reported institutional ownership of 77.6%, with 76 institutional managers holding positions valued at $97.9M per the latest 13F reporting period. SEC filings include an active notice of delisting or failure to satisfy a continued listing rule (8-K Item 3.01), substantial-doubt (going concern) disclosure per the filings.

Filings this week (1)

• 2026-07-28 — SCHEDULE 13G filed

Every filing links to the official SEC document. Real-time filing alerts for this company are available inside the app.

Latest updates

• 2026-07-17 — Current report (8-K) filed
• 2026-06-05 — SCHEDULE 13G/A filed
• 2026-05-28 — Current report (8-K) filed
• 2026-05-27 — Employee-plan registration (S-8) filed
• 2026-05-27 — Employee-plan registration (S-8) filed

Institutional ownership overview

According to SEC 13F filings tracked by Sightfile, KARYOPHARM THERAPEUTICS INC has 76 institutional holders and institutional ownership of 77.6%.

Insider activity

Insiders reported 42 transactions (0 buys, 23 sells) across 7 reporting insiders, with a net reported value of −$335.5K.

Data flags from SEC filings

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