David Shook

CIK 1959742 · Chief Medical Officer · last filed 2026-06-11

David Shook is a Chief Medical Officer who has filed 14 SEC Form 4 insider transactions across 2 companies since 2023. The most recent filing shows the insider sold $25.0K of LYEL on Jun 11, 2026. Across all open-market trades the lifetime net is −$83.1K, making them a net seller over the disclosed history. Current disclosed insider exposure totals $828.6K across reported positions.

"Disclosed insider exposure" sums this person's most-recently-reported share counts across each company they're an insider in, multiplied by the current underlying price. It is not net worth — it misses retail holdings, private investments, real estate, index funds, and any company where the person isn't an SEC-reporting insider. For informational purposes only.

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Disclosed Exposure

$828.6K

Companies

2

Total Filings

14

Lifetime Open-Market Net

-$83.1K

Holdings By Company

Latest on-record share count from this person's most recent non-derivative Form 4 transaction in each company. Disclosed exposure = shares × current underlying price.
Symbol Role Shares Price Disclosed Exposure Lifetime OM Net Filings Latest Filed
LYEL Chief Medical Officer 20,923 $13.50 $282.5K -$25.0K 3 2026-06-11
NKTX See Remarks 190,955 $2.86 $546.1K -$58.1K 11 2025-01-17

Recent Filings

14 filings
Form 4 transactions across all companies, newest first.
Filed Symbol Action Net Shares Net $ Link
2026-06-11 LYEL Sell (S) −1,977 -$25.0K EDGAR
2026-02-11 LYEL Grant (A) $0 EDGAR
2025-06-11 LYEL Grant (A) +21,900 $0 EDGAR
2025-01-17 NKTX Sell (S) −8,638 -$19.0K EDGAR
2025-01-07 NKTX Grant (A) +59,000 $0 EDGAR
2024-08-23 NKTX Grant (A) −1,352 -$6.9K EDGAR
2024-07-31 NKTX Grant (A) +23,421 $0 EDGAR
2024-06-20 NKTX Sell (S) −456 -$2.6K EDGAR
2024-01-18 NKTX Sell (S) −3,552 -$31.0K EDGAR
2024-01-08 NKTX Grant (A) +56,000 $0 EDGAR
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Codes: P = open-market purchase · S = open-market sale · A = grant/award · M = option exercise · F = tax withholding at vest · G = bona-fide gift · D = disposition to issuer · J = other (see filing footnote). Only P / S codes carry directional signal.