Thomas J. Riga

Companies

• Chimerix (United States)Chief operating officer Nov 16, 2023 to now¹
• Spectrum PharmaceuticalsOfficer Aug 1, 2023 to Aug 1, 2023²
• Spectrum PharmaceuticalsBoard member Feb 14, 2022 to Aug 1, 2023³
• Spectrum PharmaceuticalsChief executive officer Feb 14, 2022 to Mar 17, 2023³
• Spectrum PharmaceuticalsPresident Feb 14, 2022 to Mar 17, 2023³
• Spectrum PharmaceuticalsChief operating officer Dec 27, 2017 to May 14, 2021⁴

Holdings

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

Shares held

• Spectrum Pharmaceuticals SPPI14,139 shares⁵Jul 31, 2023
• CUChimerix (United States)0 shares⁶Apr 21, 2025

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

Recent filings

• Apr 21, 2025Returned to company 60,828 shares at $8.55 of Chimerix (United States)⁶
• Jan 7, 2025Granted 54,275 shares of Chimerix (United States)⁷
• Jul 31, 2023Returned to company 1,317,694 shares of Spectrum Pharmaceuticals⁵
• Jul 31, 2023Returned to company 204,471 shares of Spectrum Pharmaceuticals⁵
• Jul 31, 2023Returned to company 317,474 shares of Spectrum Pharmaceuticals⁵
• Mar 15, 2023Sold 31,381 shares at $0.80 of Spectrum Pharmaceuticals⁸
• Mar 14, 2023Sold 18,153 shares at $0.82 of Spectrum Pharmaceuticals⁸
• Feb 22, 2023Sold 22,402 shares at $0.77 of Spectrum Pharmaceuticals⁹
• Feb 22, 2023Sold 14,607 shares at $0.76 of Spectrum Pharmaceuticals⁹
• Jan 31, 2023Sold 107,424 shares at $0.66 of Spectrum Pharmaceuticals¹⁰
• Jan 30, 2023Sold 69,389 shares at $0.54 of Spectrum Pharmaceuticals¹⁰
• Jan 3, 2023Granted 888,000 shares of Spectrum Pharmaceuticals¹¹
• Jan 3, 2023Sold 23,929 shares at $0.38 of Spectrum Pharmaceuticals¹¹
• Jun 21, 2022Granted 405,040 shares of Spectrum Pharmaceuticals¹²
• Mar 16, 2022Sold 18,829 shares at $0.71 of Spectrum Pharmaceuticals¹³
• Mar 15, 2022Sold 20,356 shares at $0.71 of Spectrum Pharmaceuticals¹³
• Feb 24, 2022Sold 18,441 shares at $0.64 of Spectrum Pharmaceuticals¹⁴
• Feb 23, 2022Sold 19,953 shares at $0.70 of Spectrum Pharmaceuticals¹⁴
• Feb 14, 2022Granted 239,500 shares of Spectrum Pharmaceuticals¹⁵
• Dec 30, 2021Granted 239,500 shares of Spectrum Pharmaceuticals¹⁶