IONS- Ionis Pharmaceuticals, Inc.

Name: Ionis Pharmaceuticals, Inc. Insider Trading Data
Creator: U.S. Securities and Exchange Commission
License: https://www.sec.gov/privacy#accessibility

Ionis Pharmaceuticals, Inc. (IONS) has 21 insiders with recent SEC Form 4 filings, including 0 buys and 15 sells. IONS is classified in the Biotechnology industry within the Health Care sector.

Insider Ownership

Role	Insider	Shares	Value	30d
CEO	Monia Brett P	260.3K	$19.72M	-
Dir	Berthelsen Spencer R	164.0K	$12.43M	-8,000
VP	Bennett C Frank	100.3K	$7.60M	-
VP	Kordasiewicz Holly B.	83.3K	$6.31M	-60,846
CFO	Hougen Elizabeth L	82.7K	$6.26M	-

Activity

Buys and sells only

Transactions

10 filings · page 2

Date	Insider	Role	Type	Shares	Price	Value	Chg%	3M	12M
Jan 30, 2026	Swayze Eric63	EVP Research	Sell	6,179	$82.93	$512,446.10	-11.5%	-9.6%	-
Jan 30, 2026	O'Neil Patrick R.57	EVP CLO &General Counsel	Sell	6,179	$83.53	$516,153.50	-7.9%	-9.6%	-
Jan 30, 2026	Hougen Elizabeth L55	EVP, Finance &CFO	Sell	6,988	$83.24	$581,702.08	-5.0%	-9.6%	-
Jan 30, 2026	Baroldi Joseph52	EVP, Chief Business Officer	Sell	5,296	$82.96	$439,364.10	-10.4%	-9.6%	-
Jan 30, 2026	Schneider Eugene64	EVP, Chf Clinical Develop Ofcr	Sell	6,179	$83.45	$515,629.52	-8.1%	-9.6%	-
Jan 30, 2026	Monia Brett P60	Chief Executive Officer	Sell	62,970	$82.72	$5,208,979.15	-18.2%	-9.6%	-
Jan 30, 2026	Birchler Brian52	EVP, Corp And Development Ops	Sell	6,179	$83.03	$513,047.93	-8.5%	-9.6%	-
Jan 30, 2026	Bennett C Frank64	EVP, Chief Scientific Officer	Sell	5,885	$82.95	$488,140.74	-5.5%	-9.6%	-
Jan 7, 2026	Devers Shannon L.	EVP, Chief Human Resources Ofc	Sale+OE	44,199	$85.08	$3,760,577.42	-33.6%	-11.2%	-
Jan 2, 2026	Swayze Eric63	EVP Research	Sale+OE	23,463	$79.12	$1,856,324.51	-27.8%	-6.1%	-

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Insider	Role	Shares	Value	Buys	Sells

Date	Ticker	Insider	Role	Type	Shares	Price	Value	Chg%	SEC