Schor Chen — SEC Form 4 filings
SEC reporting owner CIK 1340875. 10 Form 4 filings on record with FilingPulse; latest filed 2026-06-23.
Transaction summary — filings shown
Covers all 10 filings on record, filed 2024-01-26 to 2026-06-23. Counts and totals are arithmetic on values as filed — descriptive data, not a recommendation.
- Open-market purchases (code P, non-derivative): none reported.
- Open-market sales (code S, non-derivative): none reported.
- Other reported legs (grants, option exercises, tax withholding, gifts, derivative-security transactions, …): 12.
By issuer — same filings
Open-market purchase/sale legs on non-derivative securities, grouped by issuer. Role is as filed on the newest filing for that issuer. Dollar totals cover priced legs only (shares × price as filed). Ordered by priced transaction value, largest first.
| Issuer | Role (as filed) | Filings | Purchases (P) | Sales (S) | Other legs |
|---|---|---|---|---|---|
| Adicet Bio, Inc. (ACET) | President & CEO, Director | 7 | — | — | 9 |
| Karyopharm Therapeutics Inc. (KPTI) | Director | 3 | — | — | 3 |
Form 4 filings — Schor Chen
| Filed | Form | Issuer | Reported transactions | Source |
|---|---|---|---|---|
| 2026-06-23 | 4 | Adicet Bio, Inc. (ACET) | Grant/award (A): 55,000 (derivative) @ $0 | EDGAR |
| 2026-05-26 | 4 | Karyopharm Therapeutics Inc. (KPTI) | Grant/award (A): 15,508 @ $0 | EDGAR |
| 2026-03-27 | 4 | Adicet Bio, Inc. (ACET) | Grant/award (A): 468,555 (derivative) @ $0 | EDGAR |
| 2026-01-27 | 4 | Adicet Bio, Inc. (ACET) | Tax withholding (F): 1,755 @ $8.44 | EDGAR |
| 2025-05-29 | 4 | Karyopharm Therapeutics Inc. (KPTI) | Grant/award (A): 4,600 (derivative) @ $0 | EDGAR |
| 2025-02-04 | 4 | Adicet Bio, Inc. (ACET) | Grant/award (A): 763,829 (derivative) @ $0 | EDGAR |
| 2025-01-28 | 4 | Adicet Bio, Inc. (ACET) | Tax withholding (F): 28,101 @ $0.92 | EDGAR |
| 2024-06-07 | 4 | Adicet Bio, Inc. (ACET) | Grant/award (A): 1,770,427 (derivative) @ $0 | EDGAR |
| 2024-05-30 | 4 | Karyopharm Therapeutics Inc. (KPTI) | Grant/award (A): 69,000 (derivative) @ $0 | EDGAR |
| 2024-01-26 | 4 | Adicet Bio, Inc. (ACET) | Tax withholding (F): 15,290 @ $2.40 · Grant/award (A): 70,300 @ $0 · Grant/award (A): 1,116,903 (derivative) @ $0 | EDGAR |
FilingPulse's Form 4 archive currently extends back to 2024-01-11 and is expanding backward through EDGAR history — earlier filings by this insider may not be indexed yet. Names and roles are shown as filed.
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