Jack Ball

Director, Cytek Biosciences, Inc.

Companies

Cytek Biosciences, Inc.Board member 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

Cytek Biosciences, Inc. CTKB86,678 shares²$455.1K at $5.25Jun 10, 2026

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

Recent filings

Jun 10, 2026Exercised options 43,973 shares of Cytek Biosciences, Inc.²
Jun 5, 2025Exercised options 15,706 shares of Cytek Biosciences, Inc.³
Nov 29, 2022Exercised options 13,333 shares at $0.92 of Cytek Biosciences, Inc.⁴
Nov 29, 2022Exercised options 10,666 shares at $0.40 of Cytek Biosciences, Inc.⁴
Nov 14, 2022Sold 16,000 shares at $14.69 of Cytek Biosciences, Inc.⁵
Nov 14, 2022Exercised options 16,000 shares at $0.40 of Cytek Biosciences, Inc.⁵

Sources

The numbers on this page point here. Each one links to the record it came from.

1
SEC EDGARCytek Biosciences, Inc., Board member
2
SEC EDGARCytek Biosciences, Inc. shares after the filing of Jun 10, 2026
3
SEC EDGARForm 4 filed Jun 9, 2025
4
SEC EDGARForm 4 filed Nov 30, 2022
5
SEC EDGARForm 4 filed Nov 16, 2022