Cytek Biosciences, Inc.·4

Aug 20, 5:45 PM ET

McCombe William D. 4

4 · Cytek Biosciences, Inc. · Filed Aug 20, 2025

Insider Transaction Report

Form 4
Period: 2025-08-18
McCombe William D.
Chief Financial Officer
Transactions
  • Exercise/Conversion

    Restricted Stock Units

    2025-08-1813,051187,065 total
    Common Stock (13,051 underlying)
  • Exercise/Conversion

    Common Stock

    2025-08-18+6,32062,066 total
  • Tax Payment

    Common Stock

    2025-08-18$4.06/sh2,462$9,99659,604 total
  • Exercise/Conversion

    Common Stock

    2025-08-18+13,05172,655 total
  • Exercise/Conversion

    Restricted Stock Units

    2025-08-186,32069,529 total
    Common Stock (6,320 underlying)
  • Tax Payment

    Common Stock

    2025-08-18$4.06/sh5,084$20,64167,571 total
Footnotes (4)
  • [F1]Each Restricted Stock Unit (the "RSU Award") represents a contingent right to receive one share of the Issuer's common stock.
  • [F2]Represents the number of shares withheld by and surrendered to the Issuer on August 18, 2025, to satisfy tax withholding obligations that arose in connection with the vesting of the RSU Award.
  • [F3]The shares subject to the RSU Award shall vest over 4 years with 12/48 of the total shares underlying the RSU Award vesting on May 18, 2025; 3/48 of the total shares underlying the RSU Award vesting on August 18, 2025 and each August 18 thereafter; 3/48 of the total shares underlying the RSU Award vesting on November 18, 2025 and each November 18 thereafter; and 3/48 of the total shares underlying the RSU Award vesting on March 10, 2026 and each March 10 thereafter; and 3/48 of the total shares underlying the RSU Award vesting on May 18, 2026 and each May 18 thereafter.
  • [F4]The shares subject to the RSU Award shall vest over 4 years with 2/48 of the total shares underlying the RSU Award vesting on May 18, 2025 and each May 18 thereafter; 3/48 of the total shares underlying the RSU Award vesting on August 18, 2025 and each August 18 thereafter; 3/48 of the total shares underlying the RSU Award vesting on November 18, 2025 and each November 18 thereafter; and 4/48 of the total shares underlying the RSU Award vesting on March 10, 2026 and each March 10 thereafter, until fully vested.

Documents

1 file
  • 4
    form4-08202025_090817.xmlPrimary