John T. Henderson

Companies

• CytokineticsBoard member Feb 20, 2009 to now¹
• Myriad GeneticsBoard member Jan 6, 2006 to Dec 6, 2019²

Holdings

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

Shares held

• CCytokinetics CYTK78,443 shares³$4.9M at $61.95Jul 16, 2026

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

Recent filings

• Jul 15, 2026Granted 272 shares at $82.62 of Cytokinetics³
• May 27, 2026Granted 2,851 shares of Cytokinetics⁴
• May 5, 2026Sold 20,000 shares at $75.97 of Cytokinetics⁵
• May 5, 2026Exercised options 20,000 shares at $7.61 of Cytokinetics⁵
• Apr 15, 2026Granted 325 shares at $65.37 of Cytokinetics⁶
• Jan 15, 2026Granted 334 shares at $63.44 of Cytokinetics⁷
• Dec 2, 2025Sold 8,750 shares at $63.90 of Cytokinetics⁸
• Dec 2, 2025Exercised options 8,750 shares at $10.00 of Cytokinetics⁸
• Oct 15, 2025Granted 338 shares at $62.80 of Cytokinetics⁹
• Jul 15, 2025Granted 559 shares at $38.01 of Cytokinetics¹⁰
• May 14, 2025Granted 7,333 shares of Cytokinetics¹¹
• Apr 15, 2025Sold 3,190 shares at $38.66 of Cytokinetics¹²
• Apr 15, 2025Exercised options 20,000 shares at $6.21 of Cytokinetics¹²
• Apr 15, 2025Granted 551 shares at $38.56 of Cytokinetics¹³
• Jan 2, 2025Granted 434 shares at $48.93 of Cytokinetics¹⁴
• Dec 11, 2024Exercised options 10,092 shares at $7.37 of Cytokinetics¹⁵
• Dec 11, 2024Sold 1,780 shares at $50.42 of Cytokinetics¹⁵
• Dec 11, 2024Exercised options 1,780 shares at $7.37 of Cytokinetics¹⁵
• Oct 1, 2024Granted 403 shares at $52.60 of Cytokinetics¹⁶
• Jul 1, 2024Granted 388 shares of Cytokinetics¹⁷
• May 15, 2024Granted 5,600 shares of Cytokinetics¹⁸
• Apr 25, 2024Sold 10,562 shares at $64.54 of Cytokinetics¹⁹
• Feb 14, 2024Sold 5,000 shares at $76.48 of Cytokinetics²⁰
• Feb 14, 2024Exercised options 5,000 shares at $4.44 of Cytokinetics²⁰
• Jan 12, 2024Sold 5,000 shares at $85.14 of Cytokinetics²¹