---
schema_version: "secwatch.filing_event.v1"
accession: "0001193125-23-272504"
form_type: "8-K"
ticker: "CTKB"
cik: "0001831915"
company_name: "Cytek Biosciences, Inc."
filed_at: "2023-11-07T23:59:59+00:00"
generated_at: "2026-06-08T17:08:37.703916+00:00"
event_type: "earnings"
sentiment: "negative"
materiality_score: 0.7
calibrated_materiality_score: 0.7
confidence: "high"
source: SEC EDGAR
---

# Cytek Q3 revenue $48M (+19%), organic growth 2%; net loss $6.5M; FY guidance $188-192M

## Summary
- Total revenue $48.0M (+19% YoY); organic revenue $41.2M (+2%); acquired Luminex contributed $6.8M.
- Gross profit margin 57% vs 66% prior year; adjusted gross margin 59% vs 68%.
- Operating loss $6.4M vs income $1.4M; net loss $6.5M vs net income $1.6M; adjusted EBITDA $3.7M vs $7.3M.
- FY 2023 revenue guidance $188-192M (15-17% growth); organic expected flat vs 2022.
- Repurchased 1,155,229 shares at $8.4M; cash $288M, down from $344M at Dec 2022.

## SEC filing metadata
- accession: 0001193125-23-272504
- form_type: 8-K
- ticker: CTKB
- cik: 0001831915
- company_name: Cytek Biosciences, Inc.
- filed_at: 2023-11-07T23:59:59+00:00
- event_type: earnings
- sentiment: negative
- materiality_score: 0.7
- calibrated_materiality_score: 0.7
- confidence: high
- sec_items: 2.02, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1831915/000119312523272504/0001193125-23-272504-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1831915/000119312523272504/d556029d8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001193125-23-272504
- JSON: https://secwatch.observer/filing/0001193125-23-272504.json
- Plain text: https://secwatch.observer/filing/0001193125-23-272504.txt

## Key facts
- Earnings Releases
  Cytek Biosciences, Inc. reported the third quarter ended September 30, 2023 results: revenue $48.0 million.
  - Period: the third quarter ended September 30, 2023
  - Revenue: $48.0 million
  - Result: reported results
  source text: Total revenue for the third quarter of 2023 was $48.0 million
  evidence_url: https://www.sec.gov/Archives/edgar/data/1831915/000119312523272504/0001193125-23-272504-index.htm

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