Shook David — SEC Form 4 filings
SEC reporting owner CIK 1959742. 11 Form 4 filings on record with FilingPulse; latest filed 2026-09-10.
Transaction summary — filings shown
Covers all 11 filings on record, filed 2024-01-08 to 2026-09-10. 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): 5 legs across 5 filings — 15,123 shares, $83,941 total (shares × price as filed).
- Other reported legs (grants, option exercises, tax withholding, gifts, derivative-security transactions, …): 10.
- Largest priced transaction: sale of 3,552 shares @ $8.74 ($31,044) in Nkarta, Inc., filed 2024-01-18.
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 |
|---|---|---|---|---|---|
| Nkarta, Inc. (NKTX) | See Remarks | 7 | — | 3 legs · 12,646 sh · $52,602 | 7 |
| Lyell Immunopharma, Inc. (LYEL) | Chief Medical Officer | 4 | — | 2 legs · 2,477 sh · $31,339 | 3 |
Form 4 filings — Shook David
| Filed | Form | Issuer | Reported transactions | Source |
|---|---|---|---|---|
| 2026-09-10 | 4 | Lyell Immunopharma, Inc. (LYEL) | Sale (S): 500 @ $12.70 | EDGAR |
| 2026-06-11 | 4 | Lyell Immunopharma, Inc. (LYEL) | Sale (S): 1,977 @ $12.64 | EDGAR |
| 2026-02-11 | 4 | Lyell Immunopharma, Inc. (LYEL) | Grant/award (A): 50,000 (derivative) @ $0 | EDGAR |
| 2025-06-11 | 4 | Lyell Immunopharma, Inc. (LYEL) | Grant/award (A): 21,900 @ $0 · Grant/award (A): 43,750 (derivative) @ $0 | EDGAR |
| 2025-01-17 | 4 | Nkarta, Inc. (NKTX) | Sale (S): 8,638 @ $2.20 | EDGAR |
| 2025-01-07 | 4 | Nkarta, Inc. (NKTX) | Grant/award (A): 59,000 @ $0 · Grant/award (A): 117,500 (derivative) @ $0 | EDGAR |
| 2024-08-23 | 4 | Nkarta, Inc. (NKTX) | Grant/award (A): 1,352 @ $5.11 | EDGAR |
| 2024-07-31 | 4 | Nkarta, Inc. (NKTX) | Grant/award (A): 23,421 @ $0 · Grant/award (A): 30,000 (derivative) @ $0 | EDGAR |
| 2024-06-20 | 4 | Nkarta, Inc. (NKTX) | Sale (S): 456 @ $5.60 | EDGAR |
| 2024-01-18 | 4 | Nkarta, Inc. (NKTX) | Sale (S): 3,552 @ $8.74 | EDGAR |
| 2024-01-08 | 4 | Nkarta, Inc. (NKTX) | Grant/award (A): 56,000 @ $0 · Grant/award (A): 112,500 (derivative) @ $0 | EDGAR |
FilingPulse's Form 4 archive currently extends back to 2024-01-04 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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