Poulton Stuart — SEC Form 4 filings
SEC reporting owner CIK 1942597. 16 Form 4 filings on record with FilingPulse; latest filed 2026-07-30.
Transaction summary — filings shown
Covers all 16 filings on record, filed 2024-01-25 to 2026-07-30. 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): 13 legs across 11 filings — 47,321 shares, $123,196 total (shares × price as filed).
- Other reported legs (grants, option exercises, tax withholding, gifts, derivative-security transactions, …): 10.
- Largest priced transaction: sale of 5,101 shares @ $9.41 ($47,998) in Karyopharm Therapeutics Inc., filed 2026-03-03.
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 |
|---|---|---|---|---|---|
| Karyopharm Therapeutics Inc. (KPTI) | EVP, Chief Development Officer | 16 | — | 13 legs · 47,321 sh · $123,196 | 10 |
Form 4 filings — Poulton Stuart
| Filed | Form | Issuer | Reported transactions | Source |
|---|---|---|---|---|
| 2026-07-30 | 4 | Karyopharm Therapeutics Inc. (KPTI) | Sale (S): 189 @ $7.10 | EDGAR |
| 2026-05-15 | 4 | Karyopharm Therapeutics Inc. (KPTI) | Grant/award (A): 896 @ $0 · Sale (S): 403 @ $9.50 | EDGAR |
| 2026-03-03 | 4 | Karyopharm Therapeutics Inc. (KPTI) | Sale (S): 5,101 @ $9.41 | EDGAR |
| 2026-02-19 | 4 | Karyopharm Therapeutics Inc. (KPTI) | Sale (S): 378 @ $8.63 | EDGAR |
| 2026-02-03 | 4 | Karyopharm Therapeutics Inc. (KPTI) | Grant/award (A): 32,415 @ $0 | EDGAR |
| 2025-10-16 | 4 | Karyopharm Therapeutics Inc. (KPTI) | Grant/award (A): 39,682 @ $0 | EDGAR |
| 2025-09-16 | 4 | Karyopharm Therapeutics Inc. (KPTI) | Grant/award (A): 888 @ $0 · Sale (S): 401 @ $6.43 | EDGAR |
| 2025-07-30 | 4 | Karyopharm Therapeutics Inc. (KPTI) | Sale (S): 191 @ $4.37 | EDGAR |
| 2025-03-06 | 4 | Karyopharm Therapeutics Inc. (KPTI) | Sale (S): 3,548 @ $6.29 | EDGAR |
| 2025-03-04 | 4 | Karyopharm Therapeutics Inc. (KPTI) | Grant/award (A): 5,000 @ $0 · Grant/award (A): 4,583 @ $0 · Grant/award (A): 10,000 (derivative) @ $0 · Grant/award (A): 9,166 (derivative) @ $0 | EDGAR |
| 2025-02-19 | 4 | Karyopharm Therapeutics Inc. (KPTI) | Sale (S): 5,914 @ $0.63 | EDGAR |
| 2024-07-31 | 4 | Karyopharm Therapeutics Inc. (KPTI) | Sale (S): 2,883 @ $1.06 | EDGAR |
| 2024-03-04 | 4 | Karyopharm Therapeutics Inc. (KPTI) | Sale (S): 16,311 @ $1.17 · Sale (S): 6,155 @ $1.20 | EDGAR |
| 2024-02-29 | 4 | Karyopharm Therapeutics Inc. (KPTI) | Grant/award (A): 188,205 @ $0 | EDGAR |
| 2024-02-20 | 4 | Karyopharm Therapeutics Inc. (KPTI) | Sale (S): 5,748 @ $1.33 · Sale (S): 99 @ $1.40 | EDGAR |
| 2024-01-25 | 4 | Karyopharm Therapeutics Inc. (KPTI) | Grant/award (A): 13,333 @ $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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