Sean Mackay - 20 Jun 2026 Form 4 Insider Report for STANDARD BIOTOOLS INC. (LAB)

Reporting relationship: SVP & Chief Business Officer
Issuer ticker: LAB
Reported as of: 20 Jun 2026
Net transaction value: $0
SEC form: 4
Accepted by SEC: 23 Jun 2026, 17:45:02 UTC
Prior SEC filing: 22 May 2026
Source filing: View source filing
Reporting owner signature: /s/ Sean Mackay by Tomone Tanaka, Attorney-in-Fact

Key filing fact

Sean Mackay filed Form 4 for STANDARD BIOTOOLS INC. (LAB) on 23 Jun 2026.

Key facts

This page summarizes Sean Mackay's Form 4 filing for STANDARD BIOTOOLS INC. (LAB).
1 reported transaction and 0 derivative rows are listed below.
Accepted by SEC: 23 Jun 2026, 17:45.

Change

Previous filing in this sequence was filed on 22 May 2026.
Current net transaction value: $0.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0001875501 Primary reporting owner

Mackay Sean

Relationship: SVP & Chief Business Officer
Address: C/O STANDARD BIOTOOLS INC., 50 MILK STREET, 10TH FLOOR, BOSTON
Signature: /s/ Sean Mackay by Tomone Tanaka, Attorney-in-Fact
Signature date: 23 Jun 2026

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

LAB transaction

Common Stock

Award

Transaction value
Shares: +500,000
Change %: +50%
Price: $0.000000^*
Shares after: 1,506,552
Date: 20 Jun 2026
Ownership: Direct
Footnotes: F1

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 1 footnote

Footnote F1

Represents restricted stock units ("RSUs"), 40% of which will vest on June 20, 2027, and the remaining 60% of which will vest on June 20, 2028 subject to the Reporting Person's continued service to the Company through the applicable vesting dates. Each RSU represents the right to receive one share of common stock upon vesting.