X0508 4 2024-06-28 0001162194 STANDARD BIOTOOLS INC. LAB 0001237190 ELOI FENEL M C/O STANDARD BIOTOOLS INC. 2 TOWER PLACE, STE 2000 SOUTH SAN FRANCISCO CA 94080 true false false false false Common Stock 2024-06-28 4 A false 43128 0 A 141591 D Stock Option (Right to buy) 1.77 2024-06-28 4 A false 72213 0 A 2034-06-28 Common Stock 72213 72213 D Represents Restricted Stock Units ("RSUs") that vest in full on the earlier to occur of June 28, 2025 and one day prior to the date of the Company's next annual meeting of stockholders, subject to the Reporting Person's continued service through the applicable vesting date. Each RSU represents the right to receive one share of common stock upon vesting. The Option becomes exercisable in twelve equal monthly installments beginning on July 28, 2024, subject to the Reporting Person's continued service through the applicable vesting date. /s/ Fenel M. Eloi by Agnieszka Gallagher, Attorney-in-Fact 2024-07-02