Mackay Sean 4
4 · STANDARD BIOTOOLS INC. · Filed Feb 24, 2026
Insider Transaction Report
Form 4
Mackay Sean
SVP & Chief Business Officer
Transactions
- Tax Payment
Common Stock
[F1]2026-02-23$1.15/sh−19,661$22,610→ 760,174 total
Footnotes (1)
- [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.
Signature
/s/ Sean Mackay by Tomone Tanaka, Attorney-in-Fact|2026-02-24