NEFF DEBORAH J — SEC Form 4 Insider Trading Activity

Summary

Updated Jul 16, 2026

NEFF DEBORAH J has filed 1 SEC Form 4 filing across 1 company in the last 90 days.

Recent Transactions

DateTickerCompanyCodeSharesPriceValue
2026-06-12CTKBCytek Biosciences, Inc.M — Option exercise44.0K—
2025-06-05CTKBCytek Biosciences, Inc.M — Option exercise15.7K—

Companies — Last 90 Days

Frequently Asked Questions

Who is NEFF DEBORAH J?

NEFF DEBORAH J 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 NEFF DEBORAH J submitted recently?

1 primary Form 4 filings in the last 90 days, covering 1 company.

Where can I see all of NEFF DEBORAH J'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 NEFF DEBORAH J profile on InsiderAlpha for real-time alerts, AI-scored trade ideas, and full transaction history.