Charles W. Newton

Companies

• Keros Therapeutics, Inc.Board member Mar 11, 2026 to now¹
• NovavaxBoard member Apr 29, 2025 to now²
• 2seventy bio, Inc.Board member Mar 25, 2024 to now³
• Coherus BioSciences (United States)Board member May 6, 2022 to now⁴
• Lyell Immunopharma, Inc.Chief financial officer Jun 16, 2021 to now⁵

Holdings

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

Shares held

• LILyell Immunopharma, Inc. LYEL25,306 shares⁶$221.9K at $8.77Aug 22, 2025
• KTKeros Therapeutics, Inc. KROS12,114 shares⁷$133.7K at $11.04Aug 18, 2026
• Novavax NVAX9,520 shares⁸$103.0K at $10.82Apr 25, 2026
• CBCoherus BioSciences (United States) CHRS30,000 shares⁹$29.4K at $0.98Jun 5, 2026
• 2B2seventy bio, Inc.0 shares¹⁰May 13, 2025

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

Recent filings

• Aug 18, 2026Sold 551 shares at $10.30 of Keros Therapeutics, Inc.⁷
• Jun 11, 2026Sold 550 shares at $10.04 of Keros Therapeutics, Inc.¹¹
• Jun 5, 2026Granted 30,000 shares of Coherus BioSciences (United States)⁹
• Apr 25, 2026Exercised options 9,520 shares of Novavax⁸
• Mar 9, 2026Granted 13,215 shares of Keros Therapeutics, Inc.¹²
• Aug 21, 2025Sold 1,453 shares at $10.54 of Lyell Immunopharma, Inc.⁶
• Aug 20, 2025Granted 8,000 shares of Lyell Immunopharma, Inc.⁶
• Aug 12, 2025Sold 136 shares at $10.34 of Lyell Immunopharma, Inc.¹³
• Aug 11, 2025Sold 131 shares at $10.53 of Lyell Immunopharma, Inc.¹³
• May 13, 2025U 5,533 shares of 2seventy bio, Inc.¹⁰
• May 13, 2025Returned to company 17,092 shares of 2seventy bio, Inc.¹⁰
• Mar 17, 2025Bought 200,000 shares at $0.56 of Lyell Immunopharma, Inc.¹⁴
• Feb 10, 2025Granted 112,500 shares of Lyell Immunopharma, Inc.¹⁵
• Jun 10, 2024Granted 6,025 shares of 2seventy bio, Inc.¹⁶
• Mar 20, 2024Granted 16,600 shares of 2seventy bio, Inc.¹⁷
• Feb 9, 2024Granted 40,000 shares of Lyell Immunopharma, Inc.¹⁸