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

Stock trades ARCH Venture Partners XIII, L.P. reported on SEC Form 4 at KARD Kardigan, Inc., LYEL Lyell Immunopharma, Inc., MTSR Metsera, Inc..

• Jun 22, 2026: bought 1,250,000 shares of KARD Kardigan, Inc. ($20.0M)
• Mar 6, 2026: bought 488,090 shares of LYEL Lyell Immunopharma, Inc. ($12.5M)
• Feb 3, 2025: bought 2,222,222 shares of MTSR Metsera, Inc. ($40.0M)