STANDARD BIOTOOLS INC. — Director's Dealing 2025

Mar 5, 2025

SEC Form 4/A — Form 4/A

Issuer: STANDARD BIOTOOLS INC. (LAB)
CIK: 0001162194
Period of Report: 2024-08-02

Reporting Person: Casdin Partners Master Fund, L.P. (Director, 10% Owner)
Reporting Person: Casdin Eli (Director, 10% Owner)
Reporting Person: Casdin Capital, LLC (Director, 10% Owner)
Reporting Person: Casdin Partners GP, LLC (Director, 10% Owner)
Reporting Person: Casdin Private Growth Equity Fund II, L.P. (Director)
Reporting Person: Casdin Private Growth Equity Fund II GP, LLC (Director)
Reporting Person: Casdin Private Growth Equity Fund, L.P. (Director)
Reporting Person: Casdin Amplify Fund, LP (Director)
Reporting Person: CASDIN PRIVATE GROWTH EQUITY FUND GP, LLC (Director)

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock	2748255	Direct

Footnotes

F1: The original Form 4 is being amended to update the beneficial ownership information reported therein.

F2: Includes Restricted Stock United ("RSUs"). Certain RSUs 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 and other RSUs vested as to 25% on July 23, 2024 and thereafter in two equal installments on the 15th day of the last month of each remaining fiscal quarter of 2024, subject to the Reporting Person's continued service through the applicable vesting date.

F3: The securities are owned directly by Eli Casdin.