Stuart Poulton

CIK 1942597 · EVP, Chief Development Officer · last filed 2026-05-15

Stuart Poulton is an EVP, Chief Development Officer who has filed 18 SEC Form 4 insider transactions across 1 company since 2023. The most recent filing, for KPTI, was dated May 15, 2026. Across all open-market trades the lifetime net is −$145.4K, making them a net seller over the disclosed history. Current disclosed insider exposure totals $904.6K 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

$904.6K

Companies

1

Total Filings

18

Lifetime Open-Market Net

-$145.4K

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
KPTI EVP, Chief Development Officer 95,224 $9.50 $904.6K -$145.4K 18 2026-05-15

Recent Filings

18 filings
Form 4 transactions across all companies, newest first.
Filed Symbol Action Net Shares Net $ Link
2026-05-15 KPTI Mixed +493 -$3.8K EDGAR
2026-03-03 KPTI Sell (S) −5,101 -$48.0K EDGAR
2026-02-19 KPTI Sell (S) −378 -$3.3K EDGAR
2026-02-03 KPTI Grant (A) +32,415 $0 EDGAR
2025-10-16 KPTI Grant (A) +39,682 $0 EDGAR
2025-09-16 KPTI Mixed +487 -$2.6K EDGAR
2025-07-30 KPTI Sell (S) −191 -$835 EDGAR
2025-03-06 KPTI Sell (S) −3,548 -$22.3K EDGAR
2025-03-04 KPTI Grant (A) +9,583 $0 EDGAR
2025-02-19 KPTI Sell (S) −5,914 -$3.7K 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.