Guardant Health, Inc. entered into an underwriting agreement on November 4, 2025, for a public offering of 3,833,332 shares at $90.00 per share, increasing the offering size to about $327.2 million in net proceeds, intended for general corporate purposes. Additionally, they completed a $402.5 million offering of 0.00% Convertible Senior Notes due 2033, expected to be utilized similarly.