---
schema_version: "secwatch.filing_event.v1"
accession: "0001193125-22-275058"
form_type: "8-K"
ticker: "CTKB"
cik: "0001831915"
company_name: "Cytek Biosciences, Inc."
filed_at: "2022-11-01T23:59:59+00:00"
generated_at: "2026-06-22T19:14:48.378625+00:00"
event_type: "leadership"
sentiment: "neutral"
materiality_score: 0.6
calibrated_materiality_score: 0.6
confidence: "high"
source: SEC EDGAR
---

# Cytek Biosciences appoints Chris Williams as COO, effective Oct. 31, 2022

## Summary
- Chris Williams appointed COO, reporting to CEO Wenbin Jiang; focused on scaling global operations.
- Annual base salary of $395,000; target bonus 50% of base; $100,000 sign-on cash bonus (clawback within 12 months).
- Equity grants of $500,000, split 50% stock options and 50% RSUs, vesting over four years.
- Williams previously VP at Thermo Fisher Scientific and Bayer Pharmaceuticals.

## SEC filing metadata
- accession: 0001193125-22-275058
- form_type: 8-K
- ticker: CTKB
- cik: 0001831915
- company_name: Cytek Biosciences, Inc.
- filed_at: 2022-11-01T23:59:59+00:00
- event_type: leadership
- sentiment: neutral
- materiality_score: 0.6
- calibrated_materiality_score: 0.6
- confidence: high
- sec_items: 5.02, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1831915/000119312522275058/0001193125-22-275058-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1831915/000119312522275058/d405062d8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001193125-22-275058
- JSON: https://secwatch.observer/filing/0001193125-22-275058.json
- Plain text: https://secwatch.observer/filing/0001193125-22-275058.txt

## Key facts
- Executive change
  Chris Williams was appointed as Chief Operating Officer at Cytek Biosciences, Inc..
  - Action: appointed
  - Role: Chief Operating Officer
  source text: the Board of Directors (the “Board”) of Cytek Biosciences, Inc. (the “Company”) announced the appointment of Chris Williams as the Company’s Chief Operating Officer, effective October 31, 2022.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1831915/000119312522275058/0001193125-22-275058-index.htm

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