Su Zhen (CIK 1991642) reported 1 SEC Form 4 insider transactions across 1 companies over the past 18 months (most recent 2026-05-26). Recent activity: Buy KPTI (15,508 shares). Source: SEC Form 4.
| Date | Company | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-05-26 | Karyopharm Therapeutics Inc. (KPTI) | Director | Buy | 15,508 | $0 |
Source: SEC Form 4 filings · as of 2026-05-26