secwatch / observer
CTKB Cytek Biosciences, Inc.
CIK 0001831915 46 ready 8-Ks latest August 24, 2026, 6:01 AM ET RSS · JSON
Activity: NORMAL 2 filings / 30d vs 1 baseline
Ready 8-Ks 46
Latest filing August 24, 2026, 6:01 AM ET
Top materiality 0.85
Event mix earnings ×25 · leadership ×7 · other_material ×5
Sentiment 9 pos · 10 neg · 27 neu
Latest earnings reported 2023-FY
Executive change recent →

Recent 8-K filings for CTKB

Executive changes

Departed

Philippe Busque

Senior Vice President, Global Sales and Services
CTKB · Cytek Biosciences, Inc.
Effective
2026-06-05
Filed
June 2, 2026, 4:15 PM ET
On May 27, 2026, Philippe Busque, Ph.D. submitted his resignation from his position as the Senior Vice President, Global Sales and Services of Cytek Biosciences, Inc. (the “Company”), effective as of June 5, 2026, to pursue another career opportunity.
Departed

Paul Christopher Williams

Chief Operating Officer
CTKB · Cytek Biosciences, Inc.
Effective
2024-09-27
Filed
September 12, 2024, 7:59 PM ET
On September 9, 2024, Paul Christopher Williams submitted his resignation from his position as the Chief Operating Officer of Cytek Biosciences, Inc. (the “Company”), effective as of September 27, 2024, to pursue another career opportunity.
Role change

Patrik Jeanmonod

Chief Financial Officer
CTKB · Cytek Biosciences, Inc.
Effective
2024-03-17
Successor
William McCombe
Filed
March 19, 2024, 7:59 PM ET
Effective as of March 17, 2024, Patrik Jeanmonod stepped down from his position as the Chief Financial Officer of Cytek Biosciences, Inc. (the “Company”) to serve as the Company’s Head of Corporate Development Analytics.
Appointed

William McCombe

Chief Financial Officer
CTKB · Cytek Biosciences, Inc.
Effective
2024-03-18
Filed
March 19, 2024, 7:59 PM ET
On March 19, 2024, the Board of Directors of the Company announced the appointment of William (“Bill”) McCombe as the Chief Financial Officer of the Company, effective March 18, 2024.
Appointed

Chris Williams

Chief Operating Officer
CTKB · Cytek Biosciences, Inc.
Effective
2022-10-31
Filed
November 1, 2022, 7:59 PM ET
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.
Appointed

Dr. Vera Imper

Class II director
CTKB · Cytek Biosciences, Inc.
Effective
2021-12-31
Filed
January 6, 2022, 6:59 PM ET
the Board unanimously voted to (i) increase the number of authorized directors on the Board from six to seven and (ii) appoint Dr. Vera Imper to serve as a Class II director of the Company, effective December 31, 2021

Earnings & guidance

2023-FY EPS reported -$0.09 filing →

Materiality & sentiment trend

Max materiality 0.85 · Median 0.65 · Most common event earnings

9 positive 10 negative 27 neutral

source · CTKB on sec.gov