Joseph Klein Iii.

Companies

• IONIS PHARMACEUTICALS INCBoard member Jan 4, 2006 to now¹
• Savient PharmaceuticalsBoard member May 30, 2006 to Jul 21, 2010²
• BioMarin PharmaceuticalBoard member Aug 11, 2006 to Mar 10, 2010³
• NPS Pharmaceuticals (United States)Board member Jan 19, 2006 to May 24, 2007⁴

Holdings

Stock this person has reported owning, from the forms officers and directors file with the SEC. See the biggest insider stakes.

Shares held

• IPIONIS PHARMACEUTICALS INC IONS11,214 shares⁵$494.8K at $44.12Jul 6, 2026

As of each latest filing. The line shows shares held over time.

Recent filings

• Jul 1, 2026Sold 11,419 shares at $79.04 of IONIS PHARMACEUTICALS INC⁵
• Jul 1, 2026Sold 99 shares at $79.45 of IONIS PHARMACEUTICALS INC⁵
• Jul 1, 2026Exercised options 11,518 shares at $39.94 of IONIS PHARMACEUTICALS INC⁵
• May 1, 2026Sold 1,431 shares at $74.45 of IONIS PHARMACEUTICALS INC⁶
• May 1, 2026Sold 8,680 shares at $73.35 of IONIS PHARMACEUTICALS INC⁶
• May 1, 2026Exercised options 10,111 shares at $47.11 of IONIS PHARMACEUTICALS INC⁶
• Apr 1, 2026Sold 2,216 shares at $75.95 of IONIS PHARMACEUTICALS INC⁷
• Apr 1, 2026Sold 20,105 shares at $75.50 of IONIS PHARMACEUTICALS INC⁷
• Apr 1, 2026Exercised options 10,321 shares at $41.08 of IONIS PHARMACEUTICALS INC⁷
• Apr 1, 2026Exercised options 12,000 shares at $38.06 of IONIS PHARMACEUTICALS INC⁷
• Mar 3, 2026Sold 1,012 shares at $80.82 of IONIS PHARMACEUTICALS INC⁸
• Mar 3, 2026Sold 6,794 shares at $80.00 of IONIS PHARMACEUTICALS INC⁸
• Mar 3, 2026Sold 13,526 shares at $79.17 of IONIS PHARMACEUTICALS INC⁸
• Mar 3, 2026Exercised options 4,000 shares at $42.88 of IONIS PHARMACEUTICALS INC⁸
• Mar 3, 2026Exercised options 12,000 shares at $40.05 of IONIS PHARMACEUTICALS INC⁸
• Nov 25, 2025Sold 4,000 shares at $80.00 of IONIS PHARMACEUTICALS INC⁹
• Nov 25, 2025Exercised options 4,000 shares of IONIS PHARMACEUTICALS INC⁹
• Nov 25, 2025Sold 4,000 shares at $80.00 of IONIS PHARMACEUTICALS INC⁹
• Nov 25, 2025Exercised options 4,000 shares of IONIS PHARMACEUTICALS INC⁹
• Nov 25, 2025Sold 4,000 shares at $80.00 of IONIS PHARMACEUTICALS INC⁹
• Nov 25, 2025Exercised options 4,000 shares of IONIS PHARMACEUTICALS INC⁹
• Sep 3, 2025Sold 28,000 shares at $60.00 of IONIS PHARMACEUTICALS INC¹⁰
• Sep 3, 2025Sold 28,000 shares at $60.00 of IONIS PHARMACEUTICALS INC¹¹
• Sep 3, 2025Exercised options 12,000 shares of IONIS PHARMACEUTICALS INC¹⁰
• Sep 3, 2025Exercised options 12,000 shares of IONIS PHARMACEUTICALS INC¹¹