Jiang Wenbin 4
4 · Cytek Biosciences, Inc. · Filed Nov 20, 2025
Insider Transaction Report
Form 4
Jiang Wenbin
DirectorPRESIDENT AND CEO
Transactions
- Tax Payment
Common Stock
2025-11-18$5.53/sh−4,636$25,637→ 5,325,660 total - Exercise/Conversion
Common Stock
2025-11-18+22,100→ 5,347,760 total - Tax Payment
Common Stock
2025-11-18$5.53/sh−8,697$48,094→ 5,339,063 total - Tax Payment
Common Stock
2025-11-18$5.53/sh−11,413$63,114→ 5,356,652 total - Exercise/Conversion
Restricted Stock Units
2025-11-18−22,100→ 206,273 total→ Common Stock (22,100 underlying) - Tax Payment
Common Stock
2025-11-18$5.53/sh−2,660$14,710→ 5,318,515 total - Exercise/Conversion
Restricted Stock Units
2025-11-18−11,781→ 62,837 total→ Common Stock (11,781 underlying) - Exercise/Conversion
Restricted Stock Units
2025-11-18−29,002→ 386,699 total→ Common Stock (29,002 underlying) - Exercise/Conversion
Common Stock
2025-11-18+6,758→ 5,321,175 total - Exercise/Conversion
Common Stock
2025-11-18+11,781→ 5,330,296 total - Exercise/Conversion
Common Stock
2025-11-18+29,002→ 5,368,065 total - Exercise/Conversion
Restricted Stock Units
2025-11-18−6,758→ 4,514 total→ Common Stock (6,758 underlying)
Footnotes (6)
- [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 November 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 quarterly over four years, with 4/48th of the total shares underlying the RSU Award vesting on May 18, 2022 and 3/48th of the total shares underlying the RSU Award vesting each subsequent quarter thereafter on August 18, November 18, February 18 and May 18.
- [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, 2023 and each May 18 thereafter; 3/48 of the total shares underlying the RSU Award vesting on August 18, 2023 and each August 18 thereafter; 3/48 of the total shares underlying the RSU Award vesting on November 18, 2023 and each November 18 thereafter; and 4/48 of the total shares underlying the RSU Award vesting on March 10, 2024 and each March 10 thereafter, until fully vested.
- [F5]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, 2024 and each May 18 thereafter; 3/48 of the total shares underlying the RSU Award vesting on August 18, 2024 and each August 18 thereafter; 3/48 of the total shares underlying the RSU Award vesting on November 18, 2024 and each November 18 thereafter; and 4/48 of the total shares underlying the RSU Award vesting on March 10, 2025 and each March 10 thereafter.
- [F6]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.