ARCH Venture Partners IX, L.P. — insider trades

Stock trades ARCH Venture Partners IX, L.P. reported on SEC Form 4 at BOLD Boundless Bio, Inc., LYEL Lyell Immunopharma, Inc..

• Jul 1, 2026: sold 16,000 shares of BOLD Boundless Bio, Inc. ($39.8K)
• Mar 6, 2026: bought 488,090 shares of LYEL Lyell Immunopharma, Inc. ($12.5M)