SEC Insider Transactions from Poirson Allen.

Last updated: 2026-03-14 11:19 UTC | Total transactions: 58

Poirson Allen has filed 58 insider transactions across 1 company since February 2023.

Most recent transaction: a option exercise of 790 shares of Cytek Biosciences, Inc. ($CTKB) on November 18, 2024.

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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
Nov. 18, 2024 Cytek Biosciences, Inc. $CTKB Poirson Allen SVP BUS. AND CORP. DEV. M Common Stock 790 $0.00 57,615.0000 132,785,552 1.39% 0.00%
Nov. 18, 2024 Cytek Biosciences, Inc. $CTKB Poirson Allen SVP BUS. AND CORP. DEV. F Common Stock 308 $6.03 57,307.0000 132,785,552 0.53% 0.00%
Nov. 18, 2024 Cytek Biosciences, Inc. $CTKB Poirson Allen SVP BUS. AND CORP. DEV. M Common Stock 2503 $0.00 59,810.0000 132,785,552 4.37% 0.00%
Nov. 18, 2024 Cytek Biosciences, Inc. $CTKB Poirson Allen SVP BUS. AND CORP. DEV. F Common Stock 975 $6.03 58,835.0000 132,785,552 1.63% 0.00%
Nov. 18, 2024 Cytek Biosciences, Inc. $CTKB Poirson Allen SVP BUS. AND CORP. DEV. M Common Stock 1878 $0.00 60,713.0000 132,785,552 3.19% 0.00%
Nov. 18, 2024 Cytek Biosciences, Inc. $CTKB Poirson Allen SVP BUS. AND CORP. DEV. F Common Stock 732 $6.03 59,981.0000 132,785,552 1.21% 0.00%
Nov. 18, 2024 Cytek Biosciences, Inc. $CTKB Poirson Allen SVP BUS. AND CORP. DEV. M Restricted Stock Units 790 $0.00 3,693.0000 132,785,552 17.62% 0.00%
Nov. 18, 2024 Cytek Biosciences, Inc. $CTKB Poirson Allen SVP BUS. AND CORP. DEV. M Restricted Stock Units 2503 $0.00 23,368.0000 132,785,552 9.67% 0.00%
Nov. 18, 2024 Cytek Biosciences, Inc. $CTKB Poirson Allen SVP BUS. AND CORP. DEV. M Restricted Stock Units 1878 $0.00 25,048.0000 132,785,552 6.97% 0.00%
Aug. 19, 2024 Cytek Biosciences, Inc. $CTKB Poirson Allen SVP BUS. AND CORP. DEV. M Common Stock 790 $0.00 54,459.0000 135,283,044 1.47% 0.00%
Aug. 19, 2024 Cytek Biosciences, Inc. $CTKB Poirson Allen SVP BUS. AND CORP. DEV. F Common Stock 308 $5.53 54,151.0000 135,283,044 0.57% 0.00%
Aug. 19, 2024 Cytek Biosciences, Inc. $CTKB Poirson Allen SVP BUS. AND CORP. DEV. M Common Stock 2503 $0.00 56,654.0000 135,283,044 4.62% 0.00%
Aug. 19, 2024 Cytek Biosciences, Inc. $CTKB Poirson Allen SVP BUS. AND CORP. DEV. F Common Stock 975 $5.53 55,679.0000 135,283,044 1.72% 0.00%
Aug. 19, 2024 Cytek Biosciences, Inc. $CTKB Poirson Allen SVP BUS. AND CORP. DEV. M Common Stock 1878 $0.00 57,557.0000 135,283,044 3.37% 0.00%
Aug. 19, 2024 Cytek Biosciences, Inc. $CTKB Poirson Allen SVP BUS. AND CORP. DEV. F Common Stock 732 $5.53 56,825.0000 135,283,044 1.27% 0.00%
Aug. 19, 2024 Cytek Biosciences, Inc. $CTKB Poirson Allen SVP BUS. AND CORP. DEV. M Restricted Stock Units 790 $0.00 4,483.0000 135,283,044 14.98% 0.00%
Aug. 19, 2024 Cytek Biosciences, Inc. $CTKB Poirson Allen SVP BUS. AND CORP. DEV. M Restricted Stock Units 2503 $0.00 25,871.0000 135,283,044 8.82% 0.00%
Aug. 19, 2024 Cytek Biosciences, Inc. $CTKB Poirson Allen SVP BUS. AND CORP. DEV. M Restricted Stock Units 1878 $0.00 26,926.0000 135,283,044 6.52% 0.00%
May 20, 2024 Cytek Biosciences, Inc. $CTKB Poirson Allen SVP BUS. AND CORP. DEV. M Common Stock 790 $0.00 52,195.0000 135,283,044 1.54% 0.00%
May 20, 2024 Cytek Biosciences, Inc. $CTKB Poirson Allen SVP BUS. AND CORP. DEV. F Common Stock 308 $5.96 51,887.0000 135,283,044 0.59% 0.00%
May 20, 2024 Cytek Biosciences, Inc. $CTKB Poirson Allen SVP BUS. AND CORP. DEV. M Common Stock 1669 $0.00 53,556.0000 135,283,044 3.22% 0.00%
May 20, 2024 Cytek Biosciences, Inc. $CTKB Poirson Allen SVP BUS. AND CORP. DEV. F Common Stock 651 $5.96 52,905.0000 135,283,044 1.22% 0.00%
May 20, 2024 Cytek Biosciences, Inc. $CTKB Poirson Allen SVP BUS. AND CORP. DEV. M Common Stock 1252 $0.00 54,157.0000 135,283,044 2.37% 0.00%
May 20, 2024 Cytek Biosciences, Inc. $CTKB Poirson Allen SVP BUS. AND CORP. DEV. F Common Stock 488 $5.96 53,669.0000 135,283,044 0.90% 0.00%
May 20, 2024 Cytek Biosciences, Inc. $CTKB Poirson Allen SVP BUS. AND CORP. DEV. M Restricted Stock Units 790 $0.00 5,273.0000 135,283,044 13.03% 0.00%
May 20, 2024 Cytek Biosciences, Inc. $CTKB Poirson Allen SVP BUS. AND CORP. DEV. M Restricted Stock Units 1669 $0.00 28,374.0000 135,283,044 5.56% 0.00%
May 20, 2024 Cytek Biosciences, Inc. $CTKB Poirson Allen SVP BUS. AND CORP. DEV. M Restricted Stock Units 1252 $0.00 28,804.0000 135,283,044 4.17% 0.00%
March 11, 2024 Cytek Biosciences, Inc. $CTKB Poirson Allen SVP BUS. AND CORP. DEV. M Common Stock 3338 $0.00 52,356.0000 135,283,044 6.81% 0.00%
March 11, 2024 Cytek Biosciences, Inc. $CTKB Poirson Allen SVP BUS. AND CORP. DEV. F Common Stock 1301 $7.22 51,055.0000 135,283,044 2.48% 0.00%
March 11, 2024 Cytek Biosciences, Inc. $CTKB Poirson Allen SVP BUS. AND CORP. DEV. M Restricted Stock Units 3338 $0.00 30,043.0000 135,283,044 10.00% 0.00%
March 6, 2024 Cytek Biosciences, Inc. $CTKB Poirson Allen SVP BUS. AND CORP. DEV. A Employee Stock Option (right to buy) 44736 $0.00 44,736.0000 135,283,044 9999.99% 0.03%
March 6, 2024 Cytek Biosciences, Inc. $CTKB Poirson Allen SVP BUS. AND CORP. DEV. A Restricted Stock Units 30056 $0.00 30,056.0000 135,283,044 9999.99% 0.02%
Feb. 20, 2024 Cytek Biosciences, Inc. $CTKB Poirson Allen SVP BUS. AND CORP. DEV. M Common Stock 790 $0.00 49,326.0000 135,283,044 1.63% 0.00%
Feb. 20, 2024 Cytek Biosciences, Inc. $CTKB Poirson Allen SVP BUS. AND CORP. DEV. F Common Stock 308 $8.38 49,018.0000 135,283,044 0.62% 0.00%
Feb. 20, 2024 Cytek Biosciences, Inc. $CTKB Poirson Allen SVP BUS. AND CORP. DEV. M Restricted Stock Units 790 $0.00 6,063.0000 135,283,044 11.53% 0.00%
Nov. 18, 2023 Cytek Biosciences, Inc. $CTKB Poirson Allen SVP Bus. and Corp. Dev. M Common Stock 790 $0.00 47,316.0000 138,562,111 1.70% 0.00%
Nov. 18, 2023 Cytek Biosciences, Inc. $CTKB Poirson Allen SVP Bus. and Corp. Dev. F Common Stock 308 $5.98 47,008.0000 138,562,111 0.65% 0.00%
Nov. 18, 2023 Cytek Biosciences, Inc. $CTKB Poirson Allen SVP Bus. and Corp. Dev. M Common Stock 2503 $0.00 49,511.0000 138,562,111 5.32% 0.00%
Nov. 18, 2023 Cytek Biosciences, Inc. $CTKB Poirson Allen SVP Bus. and Corp. Dev. F Common Stock 975 $5.98 48,536.0000 138,562,111 1.97% 0.00%
Nov. 18, 2023 Cytek Biosciences, Inc. $CTKB Poirson Allen SVP Bus. and Corp. Dev. M Restricted Stock Units 790 $0.00 6,853.0000 138,562,111 10.34% 0.00%
Nov. 18, 2023 Cytek Biosciences, Inc. $CTKB Poirson Allen SVP Bus. and Corp. Dev. M Restricted Stock Units 2503 $0.00 33,381.0000 138,562,111 6.98% 0.00%
Aug. 18, 2023 Cytek Biosciences, Inc. $CTKB Poirson Allen SVP Bus. and Corp. Dev. M Common Stock 790 $0.00 45,306.0000 138,562,111 1.77% 0.00%
Aug. 18, 2023 Cytek Biosciences, Inc. $CTKB Poirson Allen SVP Bus. and Corp. Dev. F Common Stock 308 $8.46 44,998.0000 138,562,111 0.68% 0.00%
Aug. 18, 2023 Cytek Biosciences, Inc. $CTKB Poirson Allen SVP Bus. and Corp. Dev. M Common Stock 2503 $0.00 47,501.0000 138,562,111 5.56% 0.00%
Aug. 18, 2023 Cytek Biosciences, Inc. $CTKB Poirson Allen SVP Bus. and Corp. Dev. F Common Stock 975 $8.46 46,526.0000 138,562,111 2.05% 0.00%
Aug. 18, 2023 Cytek Biosciences, Inc. $CTKB Poirson Allen SVP Bus. and Corp. Dev. M Restricted Stock Units 790 $0.00 7,643.0000 138,562,111 9.37% 0.00%
Aug. 18, 2023 Cytek Biosciences, Inc. $CTKB Poirson Allen SVP Bus. and Corp. Dev. M Restricted Stock Units 2503 $0.00 35,884.0000 138,562,111 6.52% 0.00%
May 18, 2023 Cytek Biosciences, Inc. $CTKB Poirson Allen SVP Bus. and Corp. Dev. M Common Stock 790 $0.00 43,498.0000 138,562,111 1.85% 0.00%
May 18, 2023 Cytek Biosciences, Inc. $CTKB Poirson Allen SVP Bus. and Corp. Dev. F Common Stock 308 $6.69 43,190.0000 138,562,111 0.71% 0.00%
May 18, 2023 Cytek Biosciences, Inc. $CTKB Poirson Allen SVP Bus. and Corp. Dev. M Common Stock 1669 $0.00 44,859.0000 138,562,111 3.86% 0.00%
May 18, 2023 Cytek Biosciences, Inc. $CTKB Poirson Allen SVP Bus. and Corp. Dev. F Common Stock 651 $6.69 44,208.0000 138,562,111 1.45% 0.00%
May 18, 2023 Cytek Biosciences, Inc. $CTKB Poirson Allen SVP Bus. and Corp. Dev. M Restricted Stock Units 790 $0.00 8,433.0000 138,562,111 8.57% 0.00%
May 18, 2023 Cytek Biosciences, Inc. $CTKB Poirson Allen SVP Bus. and Corp. Dev. M Restricted Stock Units 1669 $0.00 38,387.0000 138,562,111 4.17% 0.00%
March 3, 2023 Cytek Biosciences, Inc. $CTKB Poirson Allen SVP Bus. and Corp. Dev. A Employee Stock Option (Right to Buy) 60541 $0.00 60,541.0000 138,562,111 9999.99% 0.04%
March 3, 2023 Cytek Biosciences, Inc. $CTKB Poirson Allen SVP Bus. and Corp. Dev. A Restricted Stock Units 40056 $0.00 40,056.0000 138,562,111 9999.99% 0.03%
Feb. 21, 2023 Cytek Biosciences, Inc. $CTKB Poirson Allen SVP Bus. and Corp. Dev. M Common Stock 790 $0.00 43,016.0000 138,562,111 1.87% 0.00%
Feb. 21, 2023 Cytek Biosciences, Inc. $CTKB Poirson Allen SVP Bus. and Corp. Dev. F Common Stock 308 $10.97 42,708.0000 138,562,111 0.72% 0.00%
Feb. 21, 2023 Cytek Biosciences, Inc. $CTKB Poirson Allen SVP Bus. and Corp. Dev. M Restricted Stock Units 790 $0.00 9,223.0000 138,562,111 7.89% 0.00%