Holder Michael — SEC Form 4 Insider Trading Activity

Summary

Updated Jul 16, 2026

Holder Michael has filed 3 SEC Form 4 filings across 2 companies in the last 90 days.

Profile

Holder Michael
RoleInsider
Notability30/100

Board memberships

Recent Transactions

DateTickerCompanyCodeSharesPriceValue
2026-06-12CTKBCytek Biosciences, Inc.M — Option exercise44.0K
2026-05-20CTKBCytek Biosciences, Inc.M — Option exercise1.5K
2026-03-12CTKBCytek Biosciences, Inc.M — Option exercise2.9K
2025-08-18CTKBCytek Biosciences, Inc.M — Option exercise2.2K$0.00
2024-11-20CTKBCytek Biosciences, Inc.M — Option exercise2.2K

Companies — Last 90 Days

Frequently Asked Questions

Who is Holder Michael?

Holder Michael is a corporate insider — currently tracked as Insider of Cytek Biosciences, Inc. (CTKB). InsiderAlpha tracks every SEC Form 4 filing in real time.

How many SEC Form 4 filings has Holder Michael submitted recently?

3 primary Form 4 filings in the last 90 days, covering 2 companies.

Where can I see all of Holder Michael's SEC filings?

All Form 4 filings, transaction values, and 10b5-1 plan flags are listed on this page and updated in real time as new SEC EDGAR filings are processed.

Learn More

Open the live Holder Michael profile on InsiderAlpha for real-time alerts, AI-scored trade ideas, and full transaction history.