Stuart Poulton

EVP, Chief Development Officer · 1 filing · Latest: May 13, 2026

Karyopharm Therapeutics Inc.

Ticker	Owner	Relationship	Date	Transaction	Cost	#Shares	Value ($)	#Shares Total	SEC Form 4
KPTI	Stuart Poulton	EVP, Chief Development Officer	May 14, 2026	Sale	$9.50	403	$3.8K	94,821	May 15 4:08 PM
KPTI	Stuart Poulton	EVP, Chief Development Officer	May 13, 2026	Grant/Award	$0.00	896	—	95,224	May 15 4:08 PM