Form 4 Filing: Barnett Valerie Surrenders for Taxes $31K of $CTKB

TAX WITHHOLDING

⚡ MATERIALITY: 2/10

corporate issuer

Cytek Biosciences, Inc.

Ticker: $CTKB

Transaction Value

$31K

Price/Share: $0.94

transaction date

2026-05-18

Shares: 33,014

Market Price Activity

HillSignal AI Analytical Report

SEC Form 4 documents direct changes in beneficial ownership of securities for public corporations. The reporting insider, Barnett Valerie, holds the title of CHIEF LEGAL OFFICER at Cytek Biosciences, Inc..

On 2026-05-18, the insider transacted 33,014 shares.The shares were transacted at a weighted average price of $0.94 per share, resulting in a total market-relevant value of $31K.

Executive Summary Summary

Barnett Valerie (CHIEF LEGAL OFFICER) had withheld for taxes $31K of $CTKB

Post-Transaction Position: 150,012 shares

SEC Accession No: 0001873091-26-000004 (CIK: 1873091)

Verified Multi-Source Index

Verify the accuracy of this insider transaction and corporate entity independently. HillSignal pulls data directly from official SEC databases; use the sources below to corroborate.

SEC EDGAR FilingView Source Form 4

Yahoo Finance$CTKB Quote & Profile

OpenCorporates RegistryVerify Corporate Identity

Google News$CTKB News Coverage