Valerie Barnett

Companies

• Cytek Biosciences, Inc.General counsel Jul 22, 2021 to now¹

Holdings

Stock this person has reported owning, from the forms officers and directors file with the SEC. See the biggest insider stakes.

Shares held

• CBCytek Biosciences, Inc. CTKB150,012 shares²$785.3K at $5.24May 18, 2026

As of each latest filing. The line shows shares held over time.

Recent filings

• May 18, 2026Shares withheld for tax 3,386 shares at $3.55 of Cytek Biosciences, Inc.²
• May 18, 2026Exercised options 9,435 shares of Cytek Biosciences, Inc.²
• May 18, 2026Shares withheld for tax 2,602 shares at $3.55 of Cytek Biosciences, Inc.²
• May 18, 2026Exercised options 7,250 shares of Cytek Biosciences, Inc.²
• May 18, 2026Shares withheld for tax 1,850 shares at $3.55 of Cytek Biosciences, Inc.²
• May 18, 2026Exercised options 5,156 shares of Cytek Biosciences, Inc.²
• May 18, 2026Shares withheld for tax 881 shares at $3.55 of Cytek Biosciences, Inc.²
• May 18, 2026Exercised options 2,454 shares of Cytek Biosciences, Inc.²
• Mar 10, 2026Shares withheld for tax 5,740 shares at $4.23 of Cytek Biosciences, Inc.³
• Mar 10, 2026Exercised options 14,501 shares of Cytek Biosciences, Inc.³
• Mar 10, 2026Shares withheld for tax 4,247 shares at $4.23 of Cytek Biosciences, Inc.³
• Mar 10, 2026Exercised options 10,313 shares of Cytek Biosciences, Inc.³
• Mar 10, 2026Shares withheld for tax 1,761 shares at $4.23 of Cytek Biosciences, Inc.³
• Mar 10, 2026Exercised options 4,908 shares of Cytek Biosciences, Inc.³
• Feb 18, 2026Shares withheld for tax 525 shares at $4.20 of Cytek Biosciences, Inc.⁴
• Feb 18, 2026Exercised options 1,346 shares of Cytek Biosciences, Inc.⁴
• Nov 18, 2025Shares withheld for tax 3,497 shares at $5.53 of Cytek Biosciences, Inc.⁵
• Nov 18, 2025Exercised options 10,875 shares of Cytek Biosciences, Inc.⁵
• Nov 18, 2025Shares withheld for tax 2,487 shares at $5.53 of Cytek Biosciences, Inc.⁵
• Nov 18, 2025Exercised options 7,735 shares of Cytek Biosciences, Inc.⁵
• Nov 18, 2025Shares withheld for tax 1,184 shares at $5.53 of Cytek Biosciences, Inc.⁵
• Nov 18, 2025Exercised options 3,681 shares of Cytek Biosciences, Inc.⁵
• Nov 18, 2025Shares withheld for tax 649 shares at $5.53 of Cytek Biosciences, Inc.⁵
• Nov 18, 2025Exercised options 2,016 shares of Cytek Biosciences, Inc.⁵
• Aug 18, 2025Shares withheld for tax 3,609 shares at $4.06 of Cytek Biosciences, Inc.⁶