IONS Patrick R O'Neil sells $4.7M worth of shares
Sep 05, 2025, 4:37 AM
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What does IONS do
Ionis Pharmaceuticals, headquartered in Carlsbad, California, develops drugs using antisense technology and has five marketed medicines, including SPINRAZA and QALSODY, with a pipeline focused on neurology and cardiology. The company employs 927 people and has nine medicines in Phase III development.
Patrick R O'Neil sold 76,850 shares of IONS on 3 September at $61.42 per share, worth a total of $4.7M. They now own 7,330 IONS shares, or a 93% holding decrease.
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