KLEIN JOSEPH III

Director at NPS PHARMACEUTICALS INC · on record since Jan 19, 2006
Director at IONIS PHARMACEUTICALS INC · on record since Jan 18, 2006
Director at SAVIENT PHARMACEUTICALS INC · on record since May 30, 2006
Director at OSI PHARMACEUTICALS INC · on record since Jun 16, 2006
Director at BIOMARIN PHARMACEUTICAL INC · on record since Aug 17, 2006
Former Director at CLINICAL DATA INC · on record since Oct 13, 2006
as of May 22, 2007 at NPS PHARMACEUTICALS INC · on record since May 25, 2007
Director at PDL BIOPHARMA, INC. · on record since Jul 31, 2007
Director at GENAISSANCE PHARMACEUTICALS INC · on record since Jul 9, 2003
Director at MGI GP, Inc. · on record since Aug 18, 2003
Director at CLINICAL DATA INC · on record since Oct 19, 2005
Director at AKCEA THERAPEUTICS, INC. · on record since Sep 23, 2019

Insider trading activity of KLEIN JOSEPH III

Transactions on record: 669; since Aug 18, 2003

Open-market buys: 91; $1.5M

Open-market sells: 176; $21M

Companies traded: 10; last filing Jul 6, 2026

Figures computed from official regulatory filings — .

Companies where KLEIN JOSEPH III has traded

IONIS PHARMACEUTICALS INC365 tx · $21.6M · Jul 6, 2026
AKCEA THERAPEUTICS, INC.3 tx · $53.1K · Oct 13, 2020
SAVIENT PHARMACEUTICALS INC37 tx · $1.4M · Jul 21, 2010
OSI PHARMACEUTICALS INC62 tx · $4.3M · Jun 9, 2010
44 tx · $3.4M · Mar 10, 2010
63 tx · $578.8K · Nov 6, 2009
49 tx · $1.6M · May 25, 2007
5 tx · $126.8K · Oct 13, 2006
13 tx · $93.5K · Oct 6, 2005
28 tx · $193.9K · Jul 6, 2005

Track record of KLEIN JOSEPH III

Statistical track record

Free account

Open-market buys: 91

Last buy: Feb 1, 2010

Win rates, median returns and the proven-insider analysis come with a free account.

Transaction history of KLEIN JOSEPH III

Co-insiders of KLEIN JOSEPH III

This page republishes public regulatory disclosures.

Company	Filed	Type	Qty	Price	Value · USD	Signals	Src
IONIS PHARMACEUTICALS INCListing on record	Jul 6, 2026	Exercise	11,518	39.94 USD	$460K		SEC
IONIS PHARMACEUTICALS INCListing on record	Jul 6, 2026	AwardD (derivative)	2,301	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
IONIS PHARMACEUTICALS INCListing on record	Jul 6, 2026	ExerciseD (derivative)	-11,518	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
IONIS PHARMACEUTICALS INCListing on record	Jul 6, 2026	Sell	-11,419	79.04 USD	$902.6K		SEC
IONIS PHARMACEUTICALS INCListing on record	Jul 6, 2026	AwardD (derivative)	5,369	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
IONIS PHARMACEUTICALS INCListing on record	Jul 6, 2026	Sell	-99	79.45 USD	$7.9K		SEC
IONIS PHARMACEUTICALS INCListing on record	May 5, 2026	Exercise	10,111	47.11 USD	$476.3K	Unusual size	SEC
IONIS PHARMACEUTICALS INCListing on record	May 5, 2026	Sell	-8,680	73.35 USD	$636.7K		SEC
IONIS PHARMACEUTICALS INCListing on record	May 5, 2026	ExerciseD (derivative)	-10,111	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
IONIS PHARMACEUTICALS INCListing on record	May 5, 2026	Sell	-1,431	74.45 USD	$106.5K		SEC
IONIS PHARMACEUTICALS INCListing on record	Apr 2, 2026	Exercise	10,321	41.08 USD	$424K	Unusual size	SEC
IONIS PHARMACEUTICALS INCListing on record	Apr 2, 2026	Sell	-2,216	75.95 USD	$168.3K		SEC
IONIS PHARMACEUTICALS INCListing on record	Apr 2, 2026	ExerciseD (derivative)	-10,321	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
IONIS PHARMACEUTICALS INCListing on record	Apr 2, 2026	Sell	-20,105	75.50 USD	$1.5M	Unusual size	SEC
IONIS PHARMACEUTICALS INCListing on record	Apr 2, 2026	ExerciseD (derivative)	-12,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
IONIS PHARMACEUTICALS INCListing on record	Apr 2, 2026	Exercise	12,000	38.06 USD	$456.7K	Unusual size	SEC
IONIS PHARMACEUTICALS INCListing on record	Mar 5, 2026	Sell	-13,526	79.17 USD	$1.1M		SEC
IONIS PHARMACEUTICALS INCListing on record	Mar 5, 2026	Sell	-6,794	80.00 USD	$543.5K		SEC
IONIS PHARMACEUTICALS INCListing on record	Mar 5, 2026	ExerciseD (derivative)	-4,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
IONIS PHARMACEUTICALS INCListing on record	Mar 5, 2026	Exercise	12,000	40.05 USD	$480.6K	Unusual size	SEC
IONIS PHARMACEUTICALS INCListing on record	Mar 5, 2026	ExerciseD (derivative)	-12,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
IONIS PHARMACEUTICALS INCListing on record	Mar 5, 2026	Sell	-1,012	80.82 USD	$81.8K		SEC
IONIS PHARMACEUTICALS INCListing on record	Mar 5, 2026	Exercise	4,000	42.88 USD	$171.5K	Unusual size	SEC
IONIS PHARMACEUTICALS INCListing on record	Nov 28, 2025	Sell	-4,000	80.00 USD	$320K		SEC
IONIS PHARMACEUTICALS INCListing on record	Nov 28, 2025	Sell	-4,000	80.00 USD	$320K		SEC

Company	Filed	Type	Qty	Price	Value · USD	Signals	Src
IONIS PHARMACEUTICALS INCListing on record	Jul 6, 2026	Exercise	11,518	39.94 USD	$460K		SEC
IONIS PHARMACEUTICALS INCListing on record	Jul 6, 2026	AwardD (derivative)	2,301	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
IONIS PHARMACEUTICALS INCListing on record	Jul 6, 2026	ExerciseD (derivative)	-11,518	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
IONIS PHARMACEUTICALS INCListing on record	Jul 6, 2026	Sell	-11,419	79.04 USD	$902.6K		SEC
IONIS PHARMACEUTICALS INCListing on record	Jul 6, 2026	AwardD (derivative)	5,369	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
IONIS PHARMACEUTICALS INCListing on record	Jul 6, 2026	Sell	-99	79.45 USD	$7.9K		SEC
IONIS PHARMACEUTICALS INCListing on record	May 5, 2026	Exercise	10,111	47.11 USD	$476.3K	Unusual size	SEC
IONIS PHARMACEUTICALS INCListing on record	May 5, 2026	Sell	-8,680	73.35 USD	$636.7K		SEC
IONIS PHARMACEUTICALS INCListing on record	May 5, 2026	ExerciseD (derivative)	-10,111	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
IONIS PHARMACEUTICALS INCListing on record	May 5, 2026	Sell	-1,431	74.45 USD	$106.5K		SEC
IONIS PHARMACEUTICALS INCListing on record	Apr 2, 2026	Exercise	10,321	41.08 USD	$424K	Unusual size	SEC
IONIS PHARMACEUTICALS INCListing on record	Apr 2, 2026	Sell	-2,216	75.95 USD	$168.3K		SEC
IONIS PHARMACEUTICALS INCListing on record	Apr 2, 2026	ExerciseD (derivative)	-10,321	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
IONIS PHARMACEUTICALS INCListing on record	Apr 2, 2026	Sell	-20,105	75.50 USD	$1.5M	Unusual size	SEC
IONIS PHARMACEUTICALS INCListing on record	Apr 2, 2026	ExerciseD (derivative)	-12,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
IONIS PHARMACEUTICALS INCListing on record	Apr 2, 2026	Exercise	12,000	38.06 USD	$456.7K	Unusual size	SEC
IONIS PHARMACEUTICALS INCListing on record	Mar 5, 2026	Sell	-13,526	79.17 USD	$1.1M		SEC
IONIS PHARMACEUTICALS INCListing on record	Mar 5, 2026	Sell	-6,794	80.00 USD	$543.5K		SEC
IONIS PHARMACEUTICALS INCListing on record	Mar 5, 2026	ExerciseD (derivative)	-4,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
IONIS PHARMACEUTICALS INCListing on record	Mar 5, 2026	Exercise	12,000	40.05 USD	$480.6K	Unusual size	SEC
IONIS PHARMACEUTICALS INCListing on record	Mar 5, 2026	ExerciseD (derivative)	-12,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
IONIS PHARMACEUTICALS INCListing on record	Mar 5, 2026	Sell	-1,012	80.82 USD	$81.8K		SEC
IONIS PHARMACEUTICALS INCListing on record	Mar 5, 2026	Exercise	4,000	42.88 USD	$171.5K	Unusual size	SEC
IONIS PHARMACEUTICALS INCListing on record	Nov 28, 2025	Sell	-4,000	80.00 USD	$320K		SEC
IONIS PHARMACEUTICALS INCListing on record	Nov 28, 2025	Sell	-4,000	80.00 USD	$320K		SEC