InsiderTrades

Shook David

SEC CIK 1959742 · EDGAR

Buying vs selling by month open-market trades, last 45 months, all 2 companies
BoughtSold

Companies

TickerCompanyTitleHoldingBoughtSoldTradesFirstLast
LYELLyell Immunopharma, Inc.Chief Medical Off 20.4K — $31.3K 32025-06-092026-09-10
NKTXNkarta, Inc.See Remarks 191.0K — $58.1K 112023-01-132025-01-15

Most active insiders at LYEL, 12 months

#InsiderTitleBoughtSold
1 ARCH Venture Partners IX Overage, L.P.10% $12.50M—
2 BERNS PAUL L10% $12.50M—
3 Seely LynnPres, CEO, Dir —$353.1K
4 Bulis Veronica SanchezVP, Corp. Ctrl —$96.9K
5 Lee Gary K.CSO —$71.7K
6 Hill Stephen J.COO —$51.3K
7 Shook DavidChief Medical Off —$31.3K
8 Innovative Cellular Therapeutics Holdings Ltd10% —$274.30

Transactions 14

Type
Reset
X Filed Traded Ticker Company Insider Title Type Price Qty Owned ΔOwn Value
2026-09-10 19:37 2026-09-10 LYEL Lyell Immunopharma, Inc. Shook David Chief Medical Off S - Sale $12.70 -500 20.4K -2% -$6,350
2026-06-11 16:07 2026-06-10 LYEL Lyell Immunopharma, Inc. Shook David Chief Medical Off S - Sale $12.64 -1,977 20.9K -9% -$25.0K
D 2025-06-11 2025-06-09 LYEL Lyell Immunopharma, Inc. Shook David Chief Medical Off A - Grant $0.00 +21.9K 21.9K New $0
2025-01-17 2025-01-15 NKTX Nkarta, Inc. Shook David See Remarks S - Sale $2.20 -8,638 191.0K -4% -$19.0K
D 2025-01-07 2025-01-03 NKTX Nkarta, Inc. Shook David See Remarks A - Grant $0.00 +59.0K 199.6K +42% $0
2024-08-23 2024-08-21 NKTX Nkarta, Inc. Shook David See Remarks A - Grant $5.11 -1,352 138.6K -1.0% -$6,909
D 2024-07-31 2024-07-15 NKTX Nkarta, Inc. Shook David See Remarks A - Grant $0.00 +23.4K 139.9K +20% $0
2024-06-20 2024-06-18 NKTX Nkarta, Inc. Shook David Chief Medical Off S - Sale $5.60 -456 116.5K -0.4% -$2,554
2024-01-18 2024-01-16 NKTX Nkarta, Inc. Shook David Chief Medical Off S - Sale $8.74 -3,552 115.0K -3% -$31.0K
D 2024-01-08 2024-01-04 NKTX Nkarta, Inc. Shook David Chief Medical Off A - Grant $0.00 +56.0K 118.5K +90% $0
2023-08-23 2023-08-21 NKTX Nkarta, Inc. Shook David Chief Medical Off S - Sale $1.83 -1,331 60.5K -2% -$2,436
2023-06-22 2023-06-20 NKTX Nkarta, Inc. Shook David Chief Medical Off S - Sale $4.85 -439 61.9K -0.7% -$2,129
D 2023-01-18 2023-01-13 NKTX Nkarta, Inc. Shook David Chief Medical Off A - Grant $0.00 +37.5K 60.5K +163% $0
D 2023-01-18 2023-01-17 NKTX Nkarta, Inc. Shook David Chief Medical Off S - Sale $5.49 -175 60.3K -0.3% -$960.75

Purchase Sale Sale after option exercise All abbreviations