SEC Insider Transactions from Chin Richard.

Last updated: 2026-03-14 11:57 UTC | Total transactions: 8

Chin Richard has filed 8 insider transactions across 1 company since June 2025.

Most recent transaction: a option exercise of 6107 shares of Cytek Biosciences, Inc. ($CTKB) on March 10, 2026.

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Transaction Date Company Ticker Insider Name Title Transaction Type Security Shares Price Shares Owned Following Total Shares Outstanding % of Owned % of Outstanding
March 10, 2026 Cytek Biosciences, Inc. $CTKB Chin Richard Not found M Common Stock 6107 $0.00 16,285.0000 127,604,317 60.00% 0.00%
March 10, 2026 Cytek Biosciences, Inc. $CTKB Chin Richard Not found M Restricted Stock Units 6107 $0.00 57,004.0000 127,604,317 9.68% 0.00%
Nov. 18, 2025 Cytek Biosciences, Inc. $CTKB Chin Richard Not found M Common Stock 6107 $0.00 10,178.0000 127,604,317 150.01% 0.00%
Nov. 18, 2025 Cytek Biosciences, Inc. $CTKB Chin Richard Not found M Restricted Stock Units 6107 $0.00 63,111.0000 127,604,317 8.82% 0.00%
Aug. 18, 2025 Cytek Biosciences, Inc. $CTKB Chin Richard Not found M Common Stock 4071 $0.00 4,071.0000 130,611,330 9999.99% 0.00%
Aug. 18, 2025 Cytek Biosciences, Inc. $CTKB Chin Richard Not found M Restricted Stock Units 4071 $0.00 69,218.0000 130,611,330 5.55% 0.00%
June 18, 2025 Cytek Biosciences, Inc. $CTKB Chin Richard Not found A Restricted Stock Units 73289 $0.00 73,289.0000 130,611,330 9999.99% 0.06%
June 18, 2025 Cytek Biosciences, Inc. $CTKB Chin Richard Not found A Director Stock Option (right to buy) 39062 $0.00 39,062.0000 130,611,330 9999.99% 0.03%