---
schema_version: "secwatch.filing_event.v1"
accession: "0001193125-21-260590"
form_type: "8-K"
ticker: "CTKB"
cik: "0001831915"
company_name: "Cytek Biosciences, Inc."
filed_at: "2021-08-30T23:59:59+00:00"
generated_at: "2026-06-29T07:06:13.464552+00:00"
event_type: "other"
sentiment: "neutral"
materiality_score: 0.15
calibrated_materiality_score: 0.15
confidence: "high"
source: SEC EDGAR
---

# Cytek enters non-exclusive laser supply agreement with Coherent NA

## Summary
- Supply Agreement with Coherent NA for laser products; no minimum purchase obligation.
- Cytek submits non-binding rolling forecasts; orders accepted only upon Coherent written acknowledgement.
- Initial term of 3 years with automatic 1-year renewal unless 4-month non-renewal notice given.
- No financial terms or volume commitments disclosed; agreement deemed routine supplier arrangement.

## SEC filing metadata
- accession: 0001193125-21-260590
- form_type: 8-K
- ticker: CTKB
- cik: 0001831915
- company_name: Cytek Biosciences, Inc.
- filed_at: 2021-08-30T23:59:59+00:00
- event_type: other
- sentiment: neutral
- materiality_score: 0.15
- calibrated_materiality_score: 0.15
- confidence: high
- sec_items: 1.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1831915/000119312521260590/0001193125-21-260590-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1831915/000119312521260590/d183626d8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001193125-21-260590
- JSON: https://secwatch.observer/filing/0001193125-21-260590.json
- Plain text: https://secwatch.observer/filing/0001193125-21-260590.txt

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