Barnett Valerie 4
4 · Cytek Biosciences, Inc. · Filed Nov 20, 2025
Insider Transaction Report
Form 4
Barnett Valerie
CHIEF LEGAL OFFICER
Transactions
- Tax Payment
Common Stock
2025-11-18$5.53/sh−2,487$13,753→ 108,263 total - Tax Payment
Common Stock
2025-11-18$5.53/sh−3,497$19,338→ 115,641 total - Exercise/Conversion
Restricted Stock Units
2025-11-18−7,735→ 72,197 total→ Common Stock (7,735 underlying) - Exercise/Conversion
Common Stock
2025-11-18+2,016→ 101,167 total - Tax Payment
Common Stock
2025-11-18$5.53/sh−649$3,589→ 100,518 total - Exercise/Conversion
Common Stock
2025-11-18+3,681→ 104,199 total - Tax Payment
Common Stock
2025-11-18$5.53/sh−1,184$6,548→ 103,015 total - Exercise/Conversion
Restricted Stock Units
2025-11-18−3,681→ 19,642 total→ Common Stock (3,681 underlying) - Exercise/Conversion
Restricted Stock Units
2025-11-18−10,875→ 145,013 total→ Common Stock (10,875 underlying) - Exercise/Conversion
Common Stock
2025-11-18+10,875→ 119,138 total - Exercise/Conversion
Restricted Stock Units
2025-11-18−2,016→ 1,346 total→ Common Stock (2,016 underlying) - Exercise/Conversion
Common Stock
2025-11-18+7,735→ 110,750 total
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.