Shook David has filed 13 insider transactions across 2 companies since January 2024.
Most recent transaction: a grant/award of 50000 shares of Lyell Immunopharma, Inc. ($LYEL) on February 10, 2026.
Activity breakdown: 0 open-market purchases and 3 sales.
| Transaction Date | Company | Ticker | Insider Name | Title | Transaction Type | Security | Shares | Price | Shares Owned Following | Total Shares Outstanding | % of Owned | % of Outstanding |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Feb. 10, 2026 | Lyell Immunopharma, Inc. | $LYEL | Shook David | Chief Medical Officer | A | Option (right to buy) | 50000 | $0.00 | 50,000.0000 | 21,218,217 | 9999.99% | 0.24% |
| June 9, 2025 | Lyell Immunopharma, Inc. | $LYEL | Shook David | Chief Medical Officer | A | Common Stock | 21900 | $0.00 | 21,900.0000 | 295,228,868 | 9999.99% | 0.01% |
| June 9, 2025 | Lyell Immunopharma, Inc. | $LYEL | Shook David | Chief Medical Officer | A | Option (right to buy) | 43750 | $0.00 | 43,750.0000 | 295,228,868 | 9999.99% | 0.01% |
| Jan. 15, 2025 | Nkarta, Inc. | $NKTX | Shook David | See Remarks | S | Common Stock | 8638 | $2.20 | 190,955.0000 | 67,865,323 | 4.33% | 0.01% |
| Jan. 3, 2025 | Nkarta, Inc. | $NKTX | Shook David | See Remarks | A | Stock Option (right to buy) | 117500 | $0.00 | 117,500.0000 | 67,865,323 | 9999.99% | 0.17% |
| Jan. 3, 2025 | Nkarta, Inc. | $NKTX | Shook David | See Remarks | A | Common Stock | 59000 | $0.00 | 199,593.0000 | 67,865,323 | 41.97% | 0.09% |
| Aug. 21, 2024 | Nkarta, Inc. | $NKTX | Shook David | See Remarks | A | Common Stock | 1352 | $5.11 | 138,593.0000 | 49,014,300 | 0.97% | 0.00% |
| July 15, 2024 | Nkarta, Inc. | $NKTX | Shook David | See Remarks | A | Common Stock | 23421 | $0.00 | 139,945.0000 | 49,014,300 | 20.10% | 0.05% |
| July 15, 2024 | Nkarta, Inc. | $NKTX | Shook David | See Remarks | A | Stock Option (right to buy) | 30000 | $0.00 | 30,000.0000 | 49,014,300 | 9999.99% | 0.06% |
| June 18, 2024 | Nkarta, Inc. | $NKTX | Shook David | Chief Medical Officer | S | Common Stock | 456 | $5.60 | 116,524.0000 | 49,014,300 | 0.39% | 0.00% |
| Jan. 16, 2024 | Nkarta, Inc. | $NKTX | Shook David | Chief Medical Officer | S | Common Stock | 3552 | $8.74 | 114,980.0000 | 49,014,300 | 3.00% | 0.01% |
| Jan. 4, 2024 | Nkarta, Inc. | $NKTX | Shook David | Chief Medical Officer | A | Stock Option (right to buy) | 112500 | $0.00 | 112,500.0000 | 49,014,300 | 9999.99% | 0.23% |
| Jan. 4, 2024 | Nkarta, Inc. | $NKTX | Shook David | Chief Medical Officer | A | Common Stock | 56000 | $0.00 | 118,532.0000 | 49,014,300 | 89.55% | 0.11% |