Holly B. Kordasiewicz

IONS

Holly B. Kordasiewicz serves as officer: EVP, Chief Development Officer at Ionis Pharmaceuticals, Inc. (IONS). This page tracks their complete SEC Form 4 insider trading history including stock purchases and sales.

Total Buys

0 trades

$0.00

Total Sells

3 trades

$4.81M

Net Position

Net Seller

$4.81M

Companies Traded

IONS

Active Period

Jan 2026 – Jul 2026

3 total trades

Most Recent

Sell IONS

Jul 9, 2026 · $30.5K

Holly B. Kordasiewicz's Insider Trading at Ionis Pharmaceuticals, Inc. (IONS)

Buys

0 · $0.00

Sells

3 · $4.81M

Total Shares Bought

Total Shares Sold

65,349

IONS Price Chart

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Date	Type	Shares	Avg Price	Value	Shares After
Jul 9, 2026	Sell	362	$84.30	$30.5K	22,096
Jun 16, 2026	Sell	60,846	$73.41	$4.47M	42,300
Jan 15, 2026	Sell	4,141	$75.66	$313.3K	0

Related Insiders

BENNETT C FRANK

officer: EVP, Chief Scientific Officer

IONSSell · Jul 9, 2026

Allene M. Diaz

Director

IONSSell · Jul 9, 2026

KLEIN JOSEPH III

Director

IONSSell · Jul 6, 2026

Joseph Baroldi

officer: EVP, Chief Business Officer

IONSSell · Jun 30, 2026

O'NEIL PATRICK R.

officer: EVP CLO & General Counsel

IONSSell · Jun 30, 2026

Eugene Schneider

officer: EVP, Chf Clinical Develop Ofcr

IONSSell · Jun 30, 2026

Brett P Monia

director, officer: Chief Executive Officer

IONSSell · Jun 26, 2026

Eric Swayze

officer: EVP Research

IONSSell · Jun 26, 2026

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