---
schema_version: "secwatch.filing_event.v1"
accession: "0001104659-24-084362"
form_type: "8-K"
ticker: "LAB"
cik: "0001162194"
company_name: "STANDARD BIOTOOLS INC."
filed_at: "2024-07-31T23:59:59+00:00"
generated_at: "2026-05-31T14:16:29.400529+00:00"
event_type: "leadership"
sentiment: "neutral"
materiality_score: 0.55
calibrated_materiality_score: 0.55
confidence: "high"
source: SEC EDGAR
---

# Standard BioTools CFO Jeffrey Black resigns effective Aug 31; COO Alex Kim named interim CFO

## Summary
- Jeffrey Black resigns as CFO effective Aug 31, 2024 to accept opportunity at another public company; no disagreement.
- Alex Kim, current COO and co-founder, appointed interim CFO starting Sep 1, 2024; permanent search underway.
- Sean Mackay, former IsoPlexis CEO, named Chief Business Officer with expanded responsibilities across product management, marketing, and IR.

## SEC filing metadata
- accession: 0001104659-24-084362
- form_type: 8-K
- ticker: LAB
- cik: 0001162194
- company_name: STANDARD BIOTOOLS INC.
- filed_at: 2024-07-31T23:59:59+00:00
- event_type: leadership
- sentiment: neutral
- materiality_score: 0.55
- calibrated_materiality_score: 0.55
- confidence: high
- sec_items: 5.02, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1162194/000110465924084362/0001104659-24-084362-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1162194/000110465924084362/tm2420500d1_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001104659-24-084362
- JSON: https://secwatch.observer/filing/0001104659-24-084362.json
- Plain text: https://secwatch.observer/filing/0001104659-24-084362.txt

## Key facts
- Executive change
  Jeffrey Black resigned as Senior Vice President and Chief Financial Officer at STANDARD BIOTOOLS INC..
  - Action: resigned
  - Role: Senior Vice President and Chief Financial Officer
  source text: On July 26, 2024, Jeffrey Black resigned as the Senior Vice President and Chief Financial Officer (serving as the principal financial and accounting officer) of Standard BioTools Inc. (the “Company”), effective as of August 31, 2024.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1162194/000110465924084362/0001104659-24-084362-index.htm
- Executive change
  Alex Kim was appointed as Interim Chief Financial Officer at STANDARD BIOTOOLS INC..
  - Action: appointed
  - Role: Interim Chief Financial Officer
  source text: On July 30, 2024, the Company’s Board of Directors appointed Alex Kim, the Company’s Chief Operating Officer, to serve as Interim Chief Financial Officer of the Company, starting on September 1, 2024, to succeed Mr. Black while the Company searches for a permanent Chief Financial Officer.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1162194/000110465924084362/0001104659-24-084362-index.htm

This AI-assisted summary is a reading aid. Review the linked SEC EDGAR filing before relying on any specific claim.