Sean Mackay - 21 May 2025 Form 4 Insider Report for STANDARD BIOTOOLS INC. (LAB)

Signature
/s/ Sean Mackay by Tomone Tanaka, Attorney-in-Fact
Issuer symbol
LAB
Transactions as of
21 May 2025
Net transactions value
-$25,784
Form type
4
Filing time
23 May 2025, 18:13:16 UTC
Previous filing
24 Mar 2025
Next filing
28 May 2025

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Mackay Sean SVP & Chief Business Officer C/O STANDARD BIOTOOLS INC., 2 TOWER PLACE, STE 2000, SOUTH SAN FRANCISCO /s/ Sean Mackay by Tomone Tanaka, Attorney-in-Fact 23 May 2025 0001875501

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction LAB Common Stock Sale $13,223 -12,838 -1.5% $1.03 868,829 21 May 2025 Direct F1, F2
transaction LAB Common Stock Sale $12,561 -12,536 -1.4% $1.00 856,293 22 May 2025 Direct F1, F3
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 The shares were sold to satisfy the tax obligations that arose upon the vesting of restricted stock units granted to the reporting person on March 21, 2025, which grant was originally reported on Form 4 filed with the U.S. Securities and Exchange Commission ("SEC") on March 24, 2025.
F2 Represents the weighted average sales price per share. The shares sold at prices ranging from $1.015 to $1.05 per share. Full information regarding the number of shares sold at each price shall be provided upon request to the staff of the SEC, the Issuer, or a security holder of the Issuer.
F3 Represents the weighted average sales price per share. The shares sold at prices ranging from $0.9403 to $1.03 per share. Full information regarding the number of shares sold at each price shall be provided upon request to the staff of the SEC, the Issuer, or a security holder of the Issuer.