STANDARD BIOTOOLS INC. — Director's Dealing 2025

Aug 22, 2025

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: STANDARD BIOTOOLS INC. (LAB)
CIK: 0001162194
Period of Report: 2025-08-20

Reporting Person: Mackay Sean (N/A)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2025-08-20	Common Stock	F	19661	$1.27	Disposed	799496	Direct

Footnotes

F1: The shares were withheld from the reporting person to satisfy the tax withholding obligations that arose upon the vesting of restricted stock units granted to the reporting person on May 20, 2024 and March 21, 2025, which grants were originally reported on Form 3 and Form 4 filed with the U.S. Securities and Exchange Commission on September 3, 2024 and March 24, 2025, respectively.