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IONIS PHARMACEUTICALS INC
IONSCIK: 0000874015
IONIS PHARMACEUTICALS INC (IONS) has recorded 50 insider filings from 16 unique insiders, totaling $118.9M in trading activity (net selling). Insiders have sold $65.8M while purchasing $0. Insider sales can reflect personal financial planning rather than a bearish view — always consider the full context. The most active insider by volume is HOUGEN ELIZABETH L. All data sourced from SEC Form 4 filings and updated as new disclosures are filed.
Total Volume
$118.9M
Purchases
$0
Sales
$65.8M
Unique Insiders
16
Recent Insider Trades (50)
Sell
$5.8M
2 sales
Sell
$116.7K
1 sale
Sell
$381.4K
2 sales
Sell
$73.0K
1 sale
Sell
$419.0K
1 sale
Sell
$368.5K
1 sale
Sell
$458.6K
1 sale
Sell
$1.7M
2 sales
Sell
$412.5K
1 sale
Sell
$16.3M
3 sales
Sell
$1.7M
3 sales
Sell
$1.6M
3 sales
Sell
$4.4M
3 sales
Sell
$531.0K
5 sales
Sell
$6.7M
3 sales
Sell
$82.8K
2 sales
Other
$0
Other
$0
Other
$0
Other
$0
Other
$0
Sell
$2.5M
1 sale
Sell
$512.4K
1 sale1 grant
Sell
$513.0K
1 sale1 grant
Sell
$581.7K
1 sale1 grant
Sell
$515.6K
1 sale1 grant
Sell
$516.2K
1 sale1 grant
Sell
$5.2M
1 sale1 grant
Sell
$439.4K
1 sale1 grant
Sell
$488.1K
1 sale1 grant
Sell
$323.5K
1 sale
Sell
$697.0K
1 sale
Sell
$972.0K
1 sale
Sell
$748.4K
2 sales
Sell
$3.3M
1 sale
Sell
$636.9K
1 sale
Sell
$610.3K
2 sales
Other
$0
Sell
$634.4K
1 sale
Kordasiewicz Holly B.EVP, Chief Development Officer
Filed Jan 20, 2026
Sell
$313.3K
1 sale
Sell
$703.1K
1 sale
Sell
$674.6K
1 sale
Sell
$138.5K
1 sale
Sell
$3.8M
5 sales
Other
$0
Kordasiewicz Holly B.EVP, Chief Development Officer
Filed Jan 20, 2026
Other
$0
Other
$0
Other
$0
Other
$0
Other
$0