Guardant Health, Inc.

Filing receipts

“Non-marketable equity securities are recorded at cost, subject to periodic impairment reviews and adjustments for observable price changes from orderly transactions.”

“General and administrative expense Three Months Ended March 31, Change 2026 2025 $ % (unaudited) (in thousands) General and administrative expense $ 57,926 $ 46,952 $ 10,974 23 % General and administrative expenses were $57.9 million for the three months ended March 31, 2026, compared to $47.0 million for the three months ended March 31, 2025, an increase of $11.0 million, or 23%, primarily driven by an increase of $7.1 million in legal and other outside service costs, and $5.3 million in stock-based compensation.”

“Other income (expense), net Three Months Ended March 31, Change 2026 2025 $ % (unaudited) (in thousands) Other income (expense), net $ (157) $ 7,851 $ (8,008) (102) % Other income (expense), net was immaterial for the three months ended March 31, 2026, and was a $7.9 million income for the three months ended March 31, 2025, primarily attributable to a gain on extinguishment of convertible notes of $13.7 million related to the convertible notes exchange transaction completed in February 2025, partially offset by an impairment of $5.0 million recorded for one of our non-marketable equity security investments.”