Robert E. Landry

Companies

• ZymeworksBoard member Aug 12, 2025 to now¹
• CytokineticsBoard member Feb 11, 2025 to now²
• Regeneron PharmaceuticalsChief financial officer Sep 11, 2013 to Feb 6, 2024³

Holdings

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

Shares held

• Regeneron Pharmaceuticals REGN23,963 shares⁴$18.9M at $790.61Feb 6, 2024
• CCytokinetics CYTK8,184 shares⁵$513.6K at $62.76Sep 15, 2026

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

Recent filings

• Sep 15, 2026Sold 1,000 shares at $72.13 of Cytokinetics⁵
• Sep 11, 2026Sold 1,000 shares at $74.66 of Cytokinetics⁶
• May 27, 2026Granted 2,851 shares of Cytokinetics⁷
• May 14, 2025Granted 7,333 shares of Cytokinetics⁸
• Feb 2, 2024Shares withheld for tax 281 shares at $956.65 of Regeneron Pharmaceuticals⁴
• Feb 2, 2024Exercised options 400 shares at $378.98 of Regeneron Pharmaceuticals⁴
• Jan 31, 2024Shares withheld for tax 282 shares at $953.42 of Regeneron Pharmaceuticals⁹
• Jan 31, 2024Exercised options 400 shares at $378.98 of Regeneron Pharmaceuticals⁹
• Jan 24, 2024Shares withheld for tax 352 shares at $951.26 of Regeneron Pharmaceuticals¹⁰
• Jan 24, 2024Exercised options 500 shares at $378.98 of Regeneron Pharmaceuticals¹⁰
• Jan 23, 2024Shares withheld for tax 776 shares at $948.50 of Regeneron Pharmaceuticals¹⁰
• Jan 23, 2024Exercised options 1,100 shares at $378.98 of Regeneron Pharmaceuticals¹⁰
• Jan 17, 2024Shares withheld for tax 354 shares at $932.34 of Regeneron Pharmaceuticals¹¹
• Jan 17, 2024Exercised options 500 shares at $378.98 of Regeneron Pharmaceuticals¹¹
• Jan 12, 2024Shares withheld for tax 568 shares at $928.18 of Regeneron Pharmaceuticals¹²
• Jan 12, 2024Exercised options 800 shares at $378.98 of Regeneron Pharmaceuticals¹²
• Jan 4, 2024Shares withheld for tax 342 shares at $917.05 of Regeneron Pharmaceuticals¹³
• Jan 4, 2024Exercised options 500 shares at $378.98 of Regeneron Pharmaceuticals¹³
• Jan 3, 2024Shares withheld for tax 688 shares at $912.30 of Regeneron Pharmaceuticals¹⁴
• Jan 3, 2024Exercised options 1,100 shares at $378.98 of Regeneron Pharmaceuticals¹⁴
• Jan 2, 2024Shares withheld for tax 421 shares at $888.34 of Regeneron Pharmaceuticals¹⁴
• Jan 2, 2024Exercised options 650 shares at $378.98 of Regeneron Pharmaceuticals¹⁴
• Dec 28, 2023Shares withheld for tax 612 shares at $884.88 of Regeneron Pharmaceuticals¹⁵
• Dec 28, 2023Exercised options 850 shares at $378.98 of Regeneron Pharmaceuticals¹⁵
• Dec 27, 2023Shares withheld for tax 542 shares at $872.21 of Regeneron Pharmaceuticals¹⁵