CEO Files Intent to Sell $24.8M in Stock, Following Recent Dispositions
IONS has more than doubled off its 52-week low of $23.95.
Summary
IONIS PHARMACEUTICALS' CEO, Brett P. Monia, has filed a Form 144 to sell approximately $24.8 million in common stock, adding to recent insider dispositions and occurring near the stock's 52-week high.
Key Events · Ownership and Investor Activity · IONS
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CEO Files Intent to Sell
CEO Brett P. Monia filed a Form 144 to sell 290,203 shares of common stock.
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Significant Value
The proposed sale is valued at approximately $24.8 million.
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Follows Recent Dispositions
This intent to sell follows previous dispositions by the CEO, including a $5.2 million sale on February 3rd, contributing to over $15.8 million in net insider selling over the last 90 days.
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Trading Near 52-Week High
The filing occurs as the company's stock is trading near its 52-week high of $86.74.
Analysis · IONS · Life Sciences
CEO Brett P. Monia has filed a Form 144 indicating an intent to sell 290,203 shares of common stock, valued at approximately $24.8 million. This proposed sale, occurring while the stock trades near its 52-week high, suggests the CEO is taking advantage of favorable market conditions to liquidate a substantial portion of their holdings. This action follows recent dispositions by the CEO, including a $5.2 million sale on February 3rd, and contributes to a pattern of significant insider selling over the past 90 days, totaling over $15.8 million in net sales. This level of insider selling, especially from the CEO, can be interpreted negatively by the market as it may signal a lack of confidence in future growth or a desire to lock in gains.
How filings like this one have moved
In the 30 days to Sep 30, 2026, 34.9% of the 1020 measured filings Wiseek scored 8 moved their stock by 5% or more by the next session's close. The median move was -0.54%. These are measured outcomes after filings of this importance, not a forecast for this one.
Measured one observation per ticker per day, after exclusions. Current figures: Filing Impact Tracker · open dataset
At the time of this filing, IONS was trading at $86.50 on NASDAQ in the Life Sciences sector, with a market capitalization of approximately $14B. The 52-week trading range was $23.95 to $86.74. This filing was assessed with negative market sentiment and an importance score of 8 out of 10.