Shook David has filed 15 Form 4s with the SEC that we hold, for Nkarta, Inc. (NKTX) (See Remarks) and Lyell Immunopharma, Inc. (LYEL) (Chief Medical Officer). Across all of them we count 0 purchases worth $0 and 8 sales worth $89.5K reported on Form 4. In the last 12 months: 0 purchases ($0) and 2 sales ($31.3K). The largest single trade was a sale of 3,552 shares of Nkarta, Inc. worth $31.0K, dated 2024-01-16. Of 1 sale filed since we began reading the 10b5-1 checkbox, 0 (0%) were marked as made under a 10b5-1 trading plan. The first filing on our record is dated 2023-01-18 and the latest 2026-09-10.
| Trade date | Code | Shares | Value as filed | Filed |
|---|---|---|---|---|
| 2023-01-17 | S, sale reported on Form 4 | 175 | $961 | 2023-01-18 |
| 2023-06-20 | S, sale reported on Form 4 | 439 | $2.1K | 2023-06-22 |
| 2023-08-21 | S, sale reported on Form 4 | 1,331 | $2.4K | 2023-08-23 |
| 2024-01-16 | S, sale reported on Form 4 | 3,552 | $31.0K | 2024-01-18 |
| 2024-06-18 | S, sale reported on Form 4 | 456 | $2.6K | 2024-06-20 |
| 2025-01-15 | S, sale reported on Form 4 | 8,638 | $19.0K | 2025-01-17 |
| Trade date | Code | Shares | Value as filed | Filed |
|---|---|---|---|---|
| 2026-06-10 | S, sale reported on Form 4 | 1,977 | $25.0K | 2026-06-11 |
| 2026-09-10 | S, sale reported on Form 4 | 500 | $6.3K | 2026-09-10 |
Counted from the Form 4 filings this reporting owner (SEC CIK 1959742) filed on EDGAR. Values are the transaction values as filed. See every filing on EDGAR, or browse insider buying and today's insider purchases.
Source: U.S. Securities and Exchange Commission (EDGAR) and other official
government data · Updated 2026-10-12 ·
For informational purposes only, not investment advice.
Privacy · Terms
No password to create and no card required. We store your email address and nothing else.