Jeffrey Hessekiel

Companies

• CytokineticsGeneral counsel Nov 14, 2025 to now¹
• ExelixisGeneral counsel Feb 12, 2014 to now²

Holdings

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

Shares held

• Exelixis EXEL694,395 shares³$43.5M at $62.59May 16, 2025
• CCytokinetics CYTK107,943 shares⁴$6.8M at $62.76Mar 15, 2026

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

Recent filings

• Mar 15, 2026Granted 20,646 shares of Cytokinetics⁴
• Nov 14, 2025Granted 87,297 shares of Cytokinetics⁵
• May 15, 2025Sold 25,000 shares at $46.18 of Exelixis³
• May 15, 2025Shares withheld for tax 34,035 shares at $44.65 of Exelixis³
• Mar 31, 2025Granted 154,070 shares of Exelixis⁶
• Feb 26, 2025Granted 52,192 shares of Exelixis⁷
• Feb 15, 2025Shares withheld for tax 18,134 shares at $35.00 of Exelixis⁸
• Jan 16, 2025Shares withheld for tax 26,289 shares at $37.27 of Exelixis⁹
• Jan 16, 2025Granted 118,780 shares of Exelixis⁹
• Nov 29, 2024Gift 15,000 shares of Exelixis¹⁰
• Nov 29, 2024Sold 60,000 shares at $36.67 of Exelixis¹⁰
• Nov 27, 2024Shares withheld for tax 98,908 shares at $35.93 of Exelixis¹⁰
• Nov 27, 2024Exercised options 129,314 shares at $18.80 of Exelixis¹⁰
• Nov 15, 2024Shares withheld for tax 14,672 shares at $35.05 of Exelixis¹¹
• Nov 1, 2024Sold 50,000 shares at $34.13 of Exelixis¹²
• Oct 28, 2024Sold 25,000 shares at $28.39 of Exelixis¹³
• Sep 23, 2024Sold 25,000 shares at $26.38 of Exelixis¹⁴
• Aug 26, 2024Sold 20,000 shares at $25.79 of Exelixis¹⁵
• Aug 26, 2024Exercised options 20,000 shares at $24.41 of Exelixis¹⁵
• Aug 7, 2024Sold 80,000 shares at $25.97 of Exelixis¹⁶
• Aug 7, 2024Exercised options 80,000 shares at $24.41 of Exelixis¹⁶
• May 15, 2024Shares withheld for tax 10,101 shares at $20.99 of Exelixis¹⁷
• May 15, 2024Shares withheld for tax 8,600 shares at $20.99 of Exelixis¹⁷
• May 15, 2024Shares withheld for tax 7,240 shares at $20.99 of Exelixis¹⁷
• Feb 23, 2024Granted 63,350 shares of Exelixis¹⁸