Michael Holder - 18 Jun 2025 Form 4 Insider Report for Cytek Biosciences, Inc. (CTKB)

Role
Director
Signature
/s/ Valerie Barnett, Attorney-in-Fact
Issuer symbol
CTKB
Transactions as of
18 Jun 2025
Net transactions value
$0
Form type
4
Filing time
20 Jun 2025, 16:18:01 UTC
Previous filing
21 May 2025
Next filing
20 Aug 2025
SEC
View on sec.gov

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Holder Michael Director C/O CYTEK BIOSCIENCES, INC., 47215 LAKEVIEW BLVD., FREMONT /s/ Valerie Barnett, Attorney-in-Fact 20 Jun 2025 0001515140

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Underlying Class Amount Exercise Price Ownership Footnotes
transaction CTKB Restricted Stock Units Award $0 +43,973 $0.000000 43,973 18 Jun 2025 Common Stock 43,973 Direct F1, F2
transaction CTKB Director Stock Option (right to buy) Award $0 +23,809 $0.000000 23,809 18 Jun 2025 Common Stock 23,809 $3.07 Direct F3
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 Each Restricted Stock Unit (the "RSU Award") represents a contingent right to receive one share of the Issuer's common stock.
F2 100% of the shares subject to the RSU Award shall vest on the earlier of June 18, 2026 and the date of the Issuer's 2026 annual meeting of stockholders (provided such meeting is held in June 2026).
F3 100% of the shares subject to the option shall vest on the earlier of June 18, 2026 and the date of the Issuer's 2026 annual meeting of stockholders (provided such meeting is held in June 2026).