Stuart Poulton

KPTI

Stuart Poulton serves as officer: EVP, Chief Development Officer at Karyopharm Therapeutics Inc. (KPTI). This page tracks their complete SEC Form 4 insider trading history including stock purchases and sales.

Total Buys

0 trades

$0.00

Total Sells

11 trades

$118.9K

Net Position

Net Seller

$118.9K

Companies Traded

KPTI

Active Period

Feb 2023 – May 2026

11 total trades

Most Recent

Sell KPTI

May 15, 2026 · $3.8K

Stuart Poulton's Insider Trading at Karyopharm Therapeutics Inc. (KPTI)

Buys

0 · $0.00

Sells

11 · $118.9K

Total Shares Bought

Total Shares Sold

33,380

KPTI Price Chart

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Date	Type	Shares	Avg Price	Value	Shares After
May 15, 2026	Sell	403	$9.50	$3.8K	94,821
Mar 3, 2026	Sell	5,101	$9.41	$48.0K	94,328
Feb 17, 2026	Sell	378	$8.63	$3.3K	0
Sep 16, 2025	Sell	401	$6.43	$2.6K	27,710
Jul 30, 2025	Sell	191	$4.37	$834.67	27,223
Mar 6, 2025	Sell	3,548	$6.29	$22.3K	27,414
Feb 19, 2025	Sell	5,914	$0.63	$3.7K	320,714
Jul 31, 2024	Sell	2,883	$1.06	$3.1K	326,628
Feb 20, 2024	Sell	5,847	$1.33	$7.8K	163,871
Aug 1, 2023	Sell	2,845	$1.70	$4.8K	156,286
Feb 17, 2023	Sell	5,869	$3.19	$18.7K	64,335