SEC Insider Transactions from Busque Philippe.

Last updated: 2026-03-14 11:57 UTC | Total transactions: 69

Busque Philippe has filed 69 insider transactions across 1 company since March 2024.

Most recent transaction: a option exercise of 2049 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 Busque Philippe SVP, GLOBAL SALES AND SERVICES M Common Stock 2049 $0.00 30,951.0000 127,604,317 7.09% 0.00%
March 10, 2026 Cytek Biosciences, Inc. $CTKB Busque Philippe SVP, GLOBAL SALES AND SERVICES M Restricted Stock Units 2946 $0.00 17,682.0000 127,604,317 14.28% 0.00%
March 10, 2026 Cytek Biosciences, Inc. $CTKB Busque Philippe SVP, GLOBAL SALES AND SERVICES M Restricted Stock Units 2049 $0.00 6,665.0000 127,604,317 23.51% 0.00%
March 10, 2026 Cytek Biosciences, Inc. $CTKB Busque Philippe SVP, GLOBAL SALES AND SERVICES A Restricted Stock Units 133226 $0.00 133,226.0000 127,604,317 9999.99% 0.10%
March 10, 2026 Cytek Biosciences, Inc. $CTKB Busque Philippe SVP, GLOBAL SALES AND SERVICES A Employee Stock Option (right to buy) 70665 $0.00 70,665.0000 127,604,317 9999.99% 0.06%
March 10, 2026 Cytek Biosciences, Inc. $CTKB Busque Philippe SVP, GLOBAL SALES AND SERVICES F Common Stock 1496 $4.23 35,687.0000 127,604,317 4.02% 0.00%
March 10, 2026 Cytek Biosciences, Inc. $CTKB Busque Philippe SVP, GLOBAL SALES AND SERVICES M Common Stock 4833 $0.00 37,183.0000 127,604,317 14.94% 0.00%
March 10, 2026 Cytek Biosciences, Inc. $CTKB Busque Philippe SVP, GLOBAL SALES AND SERVICES F Common Stock 912 $4.23 32,350.0000 127,604,317 2.74% 0.00%
March 10, 2026 Cytek Biosciences, Inc. $CTKB Busque Philippe SVP, GLOBAL SALES AND SERVICES M Common Stock 2946 $0.00 33,262.0000 127,604,317 9.72% 0.00%
March 10, 2026 Cytek Biosciences, Inc. $CTKB Busque Philippe SVP, GLOBAL SALES AND SERVICES F Common Stock 635 $4.23 30,316.0000 127,604,317 2.05% 0.00%
March 10, 2026 Cytek Biosciences, Inc. $CTKB Busque Philippe SVP, GLOBAL SALES AND SERVICES M Restricted Stock Units 4833 $0.00 43,505.0000 127,604,317 10.00% 0.00%
Nov. 18, 2025 Cytek Biosciences, Inc. $CTKB Busque Philippe SVP, GLOBAL SALES AND SERVICES M Restricted Stock Units 2210 $0.00 20,628.0000 127,604,317 9.68% 0.00%
Nov. 18, 2025 Cytek Biosciences, Inc. $CTKB Busque Philippe SVP, GLOBAL SALES AND SERVICES M Restricted Stock Units 1536 $0.00 8,714.0000 127,604,317 14.99% 0.00%
Nov. 18, 2025 Cytek Biosciences, Inc. $CTKB Busque Philippe SVP, GLOBAL SALES AND SERVICES F Common Stock 927 $5.53 28,902.0000 127,604,317 3.11% 0.00%
Nov. 18, 2025 Cytek Biosciences, Inc. $CTKB Busque Philippe SVP, GLOBAL SALES AND SERVICES M Common Stock 3625 $0.00 29,829.0000 127,604,317 13.83% 0.00%
Nov. 18, 2025 Cytek Biosciences, Inc. $CTKB Busque Philippe SVP, GLOBAL SALES AND SERVICES F Common Stock 565 $5.53 26,204.0000 127,604,317 2.11% 0.00%
Nov. 18, 2025 Cytek Biosciences, Inc. $CTKB Busque Philippe SVP, GLOBAL SALES AND SERVICES M Common Stock 2210 $0.00 26,769.0000 127,604,317 9.00% 0.00%
Nov. 18, 2025 Cytek Biosciences, Inc. $CTKB Busque Philippe SVP, GLOBAL SALES AND SERVICES F Common Stock 393 $5.53 24,559.0000 127,604,317 1.58% 0.00%
Nov. 18, 2025 Cytek Biosciences, Inc. $CTKB Busque Philippe SVP, GLOBAL SALES AND SERVICES M Common Stock 1536 $0.00 24,952.0000 127,604,317 6.56% 0.00%
Nov. 18, 2025 Cytek Biosciences, Inc. $CTKB Busque Philippe SVP, GLOBAL SALES AND SERVICES M Restricted Stock Units 3625 $0.00 48,338.0000 127,604,317 6.98% 0.00%
Aug. 18, 2025 Cytek Biosciences, Inc. $CTKB Busque Philippe SVP, GLOBAL SALES AND SERVICES M Common Stock 1536 $0.00 20,453.0000 130,611,330 8.12% 0.00%
Aug. 18, 2025 Cytek Biosciences, Inc. $CTKB Busque Philippe SVP, GLOBAL SALES AND SERVICES F Common Stock 599 $4.06 19,854.0000 130,611,330 2.93% 0.00%
Aug. 18, 2025 Cytek Biosciences, Inc. $CTKB Busque Philippe SVP, GLOBAL SALES AND SERVICES M Common Stock 2210 $0.00 22,064.0000 130,611,330 11.13% 0.00%
Aug. 18, 2025 Cytek Biosciences, Inc. $CTKB Busque Philippe SVP, GLOBAL SALES AND SERVICES F Common Stock 861 $4.06 21,203.0000 130,611,330 3.90% 0.00%
Aug. 18, 2025 Cytek Biosciences, Inc. $CTKB Busque Philippe SVP, GLOBAL SALES AND SERVICES M Common Stock 3625 $0.00 24,828.0000 130,611,330 17.10% 0.00%
Aug. 18, 2025 Cytek Biosciences, Inc. $CTKB Busque Philippe SVP, GLOBAL SALES AND SERVICES F Common Stock 1412 $4.06 23,416.0000 130,611,330 5.69% 0.00%
Aug. 18, 2025 Cytek Biosciences, Inc. $CTKB Busque Philippe SVP, GLOBAL SALES AND SERVICES M Restricted Stock Units 1536 $0.00 10,250.0000 130,611,330 13.03% 0.00%
Aug. 18, 2025 Cytek Biosciences, Inc. $CTKB Busque Philippe SVP, GLOBAL SALES AND SERVICES M Restricted Stock Units 2210 $0.00 22,838.0000 130,611,330 8.82% 0.00%
Aug. 18, 2025 Cytek Biosciences, Inc. $CTKB Busque Philippe SVP, GLOBAL SALES AND SERVICES M Restricted Stock Units 3625 $0.00 51,963.0000 130,611,330 6.52% 0.00%
May 19, 2025 Cytek Biosciences, Inc. $CTKB Busque Philippe SVP, GLOBAL SALES AND SERVICES M Restricted Stock Units 1024 $0.00 11,786.0000 130,611,330 7.99% 0.00%
May 19, 2025 Cytek Biosciences, Inc. $CTKB Busque Philippe SVP, GLOBAL SALES AND SERVICES M Restricted Stock Units 2416 $0.00 55,588.0000 130,611,330 4.17% 0.00%
May 19, 2025 Cytek Biosciences, Inc. $CTKB Busque Philippe SVP, GLOBAL SALES AND SERVICES M Restricted Stock Units 1473 $0.00 25,048.0000 130,611,330 5.55% 0.00%
May 19, 2025 Cytek Biosciences, Inc. $CTKB Busque Philippe SVP, GLOBAL SALES AND SERVICES M Common Stock 1024 $0.00 16,943.0000 130,611,330 6.43% 0.00%
May 19, 2025 Cytek Biosciences, Inc. $CTKB Busque Philippe SVP, GLOBAL SALES AND SERVICES F Common Stock 399 $2.69 16,544.0000 130,611,330 2.35% 0.00%
May 19, 2025 Cytek Biosciences, Inc. $CTKB Busque Philippe SVP, GLOBAL SALES AND SERVICES M Common Stock 1473 $0.00 18,017.0000 130,611,330 8.90% 0.00%
May 19, 2025 Cytek Biosciences, Inc. $CTKB Busque Philippe SVP, GLOBAL SALES AND SERVICES F Common Stock 574 $2.69 17,443.0000 130,611,330 3.19% 0.00%
May 19, 2025 Cytek Biosciences, Inc. $CTKB Busque Philippe SVP, GLOBAL SALES AND SERVICES M Common Stock 2416 $0.00 19,859.0000 130,611,330 13.85% 0.00%
May 19, 2025 Cytek Biosciences, Inc. $CTKB Busque Philippe SVP, GLOBAL SALES AND SERVICES F Common Stock 942 $2.69 18,917.0000 130,611,330 4.74% 0.00%
March 10, 2025 Cytek Biosciences, Inc. $CTKB Busque Philippe SVP, GLOBAL SALES AND SERVICES M Restricted Stock Units 2049 $0.00 12,810.0000 130,611,330 13.79% 0.00%
March 10, 2025 Cytek Biosciences, Inc. $CTKB Busque Philippe SVP, GLOBAL SALES AND SERVICES F Common Stock 1148 $4.36 15,919.0000 130,611,330 6.73% 0.00%
March 10, 2025 Cytek Biosciences, Inc. $CTKB Busque Philippe SVP, GLOBAL SALES AND SERVICES M Restricted Stock Units 2946 $0.00 26,521.0000 130,611,330 10.00% 0.00%
March 10, 2025 Cytek Biosciences, Inc. $CTKB Busque Philippe SVP, GLOBAL SALES AND SERVICES M Common Stock 2049 $0.00 14,920.0000 130,611,330 15.92% 0.00%
March 10, 2025 Cytek Biosciences, Inc. $CTKB Busque Philippe SVP, GLOBAL SALES AND SERVICES F Common Stock 799 $4.36 14,121.0000 130,611,330 5.36% 0.00%
March 10, 2025 Cytek Biosciences, Inc. $CTKB Busque Philippe SVP, GLOBAL SALES AND SERVICES M Common Stock 2946 $0.00 17,067.0000 130,611,330 20.86% 0.00%
March 4, 2025 Cytek Biosciences, Inc. $CTKB Busque Philippe SVP, GLOBAL SALES AND SERVICES A Restricted Stock Units 58004 $0.00 58,004.0000 130,611,330 9999.99% 0.04%
March 4, 2025 Cytek Biosciences, Inc. $CTKB Busque Philippe SVP, GLOBAL SALES AND SERVICES A Employee Stock Option (right to buy) 91911 $0.00 91,911.0000 130,611,330 9999.99% 0.07%
Nov. 18, 2024 Cytek Biosciences, Inc. $CTKB Busque Philippe SVP, GLOBAL SALES AND SERVICES M Common Stock 2210 $0.00 13,732.0000 132,785,552 19.18% 0.00%
Nov. 18, 2024 Cytek Biosciences, Inc. $CTKB Busque Philippe SVP, GLOBAL SALES AND SERVICES M Restricted Stock Units 1536 $0.00 14,859.0000 132,785,552 9.37% 0.00%
Nov. 18, 2024 Cytek Biosciences, Inc. $CTKB Busque Philippe SVP, GLOBAL SALES AND SERVICES M Restricted Stock Units 2210 $0.00 29,467.0000 132,785,552 6.98% 0.00%
Nov. 18, 2024 Cytek Biosciences, Inc. $CTKB Busque Philippe SVP, GLOBAL SALES AND SERVICES F Common Stock 861 $6.03 12,871.0000 132,785,552 6.27% 0.00%
Nov. 18, 2024 Cytek Biosciences, Inc. $CTKB Busque Philippe SVP, GLOBAL SALES AND SERVICES F Common Stock 599 $6.03 11,522.0000 132,785,552 4.94% 0.00%
Nov. 18, 2024 Cytek Biosciences, Inc. $CTKB Busque Philippe SVP, GLOBAL SALES AND SERVICES M Common Stock 1536 $0.00 12,121.0000 132,785,552 14.51% 0.00%
Aug. 19, 2024 Cytek Biosciences, Inc. $CTKB Busque Philippe SVP, GLOBAL SALES AND SERVICES F Common Stock 599 $5.53 9,236.0000 135,283,044 6.09% 0.00%
Aug. 19, 2024 Cytek Biosciences, Inc. $CTKB Busque Philippe SVP, GLOBAL SALES AND SERVICES M Common Stock 2210 $0.00 11,446.0000 135,283,044 23.93% 0.00%
Aug. 19, 2024 Cytek Biosciences, Inc. $CTKB Busque Philippe SVP, GLOBAL SALES AND SERVICES M Restricted Stock Units 1536 $0.00 16,395.0000 135,283,044 8.57% 0.00%
Aug. 19, 2024 Cytek Biosciences, Inc. $CTKB Busque Philippe SVP, GLOBAL SALES AND SERVICES F Common Stock 861 $5.53 10,585.0000 135,283,044 7.52% 0.00%
Aug. 19, 2024 Cytek Biosciences, Inc. $CTKB Busque Philippe SVP, GLOBAL SALES AND SERVICES M Common Stock 1536 $0.00 9,835.0000 135,283,044 18.51% 0.00%
Aug. 19, 2024 Cytek Biosciences, Inc. $CTKB Busque Philippe SVP, GLOBAL SALES AND SERVICES M Restricted Stock Units 2210 $0.00 31,677.0000 135,283,044 6.52% 0.00%
May 20, 2024 Cytek Biosciences, Inc. $CTKB Busque Philippe SVP, GLOBAL SALES AND SERVICES M Common Stock 1473 $0.00 8,873.0000 135,283,044 19.91% 0.00%
May 20, 2024 Cytek Biosciences, Inc. $CTKB Busque Philippe SVP, GLOBAL SALES AND SERVICES M Restricted Stock Units 1473 $0.00 33,887.0000 135,283,044 4.17% 0.00%
May 20, 2024 Cytek Biosciences, Inc. $CTKB Busque Philippe SVP, GLOBAL SALES AND SERVICES M Restricted Stock Units 6659 $0.00 17,931.0000 135,283,044 27.08% 0.00%
May 20, 2024 Cytek Biosciences, Inc. $CTKB Busque Philippe SVP, GLOBAL SALES AND SERVICES F Common Stock 574 $5.96 8,299.0000 135,283,044 6.47% 0.00%
May 20, 2024 Cytek Biosciences, Inc. $CTKB Busque Philippe SVP, GLOBAL SALES AND SERVICES F Common Stock 2594 $5.96 7,400.0000 135,283,044 25.96% 0.00%
May 20, 2024 Cytek Biosciences, Inc. $CTKB Busque Philippe SVP, GLOBAL SALES AND SERVICES M Common Stock 6659 $0.00 9,994.0000 135,283,044 199.67% 0.00%
March 20, 2024 Cytek Biosciences, Inc. $CTKB Busque Philippe SVP, GLOBAL SALES AND SERVICES M Common Stock 5464 $0.00 5,464.0000 135,283,044 9999.99% 0.00%
March 20, 2024 Cytek Biosciences, Inc. $CTKB Busque Philippe SVP, GLOBAL SALES AND SERVICES F Common Stock 2129 $6.70 3,335.0000 135,283,044 38.96% 0.00%
March 20, 2024 Cytek Biosciences, Inc. $CTKB Busque Philippe SVP, GLOBAL SALES AND SERVICES M Restricted Stock Units 5464 $0.00 0.0000 135,283,044 100.00% 0.00%
March 6, 2024 Cytek Biosciences, Inc. $CTKB Busque Philippe SVP, GLOBAL SALES AND SERVICES A Restricted Stock Units 35360 $0.00 35,360.0000 135,283,044 9999.99% 0.03%
March 6, 2024 Cytek Biosciences, Inc. $CTKB Busque Philippe SVP, GLOBAL SALES AND SERVICES A Employee Stock Option (right to buy) 52631 $0.00 52,631.0000 135,283,044 9999.99% 0.04%