// company-profile
Karyopharm Therapeutics Inc.
KPTIExchangeNasdaqSectorPharmaceutical PreparationsInc.DEFilings143Insiders16
// api This Karyopharm Therapeutics Inc. insider-trading data is served live by the Form4API insider trading API. Get the same data via API.
// activity-summary
No insider transactions in the last 30 days.
// 90-day insight
Over the last 90 days, Karyopharm Therapeutics Inc. insiders bought $0 (12 transactions) and sold $39K (7 transactions).
- Most active insider: Rangwala Reshma with 3 transactions totaling $8K.
- Largest single sale: $21K by Paulson Richard A. on May 14, 2026.
Activity skews bullish — buys outpace sales.
Institutional Ownership
Top 13F-HR holders of Karyopharm Therapeutics Inc. as of 2026-03-31
Total reported AUM
$129.5M
QoQ change
+115.8%
Reporting period
2026-03-31
#1
Commodore Capital LP
CIK 1831942
$10.9M
1.9M shares
#2
RA CAPITAL MANAGEMENT, L.P.
CIK 1346824
$10.7M
1.9M shares
#3
ADAGE CAPITAL PARTNERS GP, L.L.C.
CIK 1165408
$10.1M
1.8M shares
Data source: SEC Form 13F-HR filings. Joined with insider activity above — see who's loading up institutionally while insiders are trading. Full 13F-HR API →
Insider Transactions
Sourced from SEC EDGAR Form 4 filings. Updated hourly.
| Date | Insider | Company | Type | Shares | Price | Value |
|---|---|---|---|---|---|---|
| May 21, 2026 | PAKIANATHAN DEEPIKA | KPTI | Award | 15,508 | $0.00 | $0K |
| May 21, 2026 | Su Zhen | KPTI | Award | 15,508 | $0.00 | $0K |
| May 21, 2026 | Greene Barry E | KPTI | Award | 15,508 | $0.00 | $0K |
| May 21, 2026 | Schor Chen | KPTI | Award | 15,508 | $0.00 | $0K |
| May 21, 2026 | BOHLIN GAREN G | KPTI | Award | 15,508 | $0.00 | $0K |
45 more transactions hidden
Free account · No credit card required
Building something? Get API access →
Popular companies on Form4API
Browse insider trading activity for other actively-filed companies.