Key facts
- This page summarizes Ming Yan's Form 4 filing for Cytek Biosciences, Inc. (CTKB).
- 3 reported transactions and 1 derivative row are listed below.
- Accepted by SEC: 20 Feb 2025, 18:11.
Ming Yan - 18 Feb 2025 Form 4 Insider Report for Cytek Biosciences, Inc. (CTKB)
- Reporting relationship
- CHIEF TECHNOLOGY OFFICER, Director
- Issuer ticker
- CTKB
- Reported as of
- 18 Feb 2025
- Net transaction value
- -$3,122
- SEC form
- 4
- Accepted by SEC
- 20 Feb 2025, 18:11:31 UTC
- Prior SEC filing
- 20 Nov 2024
- Next SEC filing
- 06 Mar 2025
- Source filing
- View source filing
- Reporting owner signature
- /s/ Valerie Barnett, Attorney-in-Fact
Source evidence
Original filing metadata and source links for verification.
5 source fields
Reporting owner
1 detail
Key filing fact
Ming Yan filed Form 4 for Cytek Biosciences, Inc. (CTKB) on 20 Feb 2025.
Change
- Previous filing in this sequence was filed on 20 Nov 2024.
- Current net transaction value: -$3,122.
Research use
- This tells you what this filing adds before you inspect full transaction and derivative tables.
- You can trace every row back to the original SEC filing document.
Evidence
Filed on Form 4
View source filing
Ownership activity is grounded in SEC Form 4 disclosures.
Reported non-derivative transactions
Shares, units, or other non-derivative securities reported in this filing.
CTKB
transaction
Common Stock
Options Exercise
- Transaction value
- Shares
- +1,981
- Change %
- +0.03%
- Price
- Shares after
- 6,020,303
- Date
- 18 Feb 2025
- Ownership
- Direct
- Footnotes
- F1
CTKB
transaction
Common Stock
Tax liability
- Transaction value
- $3,122
- Shares
- -588
- Change %
- -0.01%
- Price
- $5.31
- Shares after
- 6,019,715
- Date
- 18 Feb 2025
- Ownership
- Direct
- Footnotes
- F2
Reported derivative securities
Options, warrants, convertible securities, or similar derivative positions disclosed in the filing.
CTKB
transaction
Derivative
Restricted Stock Units
Options Exercise
- Transaction value
- $0
- Shares
- -1,981
- Change %
- -21%
- Price
- $0.000000
- Shares after
- 7,275
- Date
- 18 Feb 2025
- Ownership
- Direct
- Underlying class
- Common Stock
- Underlying amount
- 1,981
- Exercise price
- Footnotes
- F1, F3
* marks a reported price that did not pass the local price check.
Additional SEC filing notes
Filing notes and footnotes
Explanation of responses 3 footnotes
Footnote F1
Each Restricted Stock Unit (the "RSU Award") represents a contingent right to receive one share of the Issuer's common stock.
Footnote F2
Represents the number of shares withheld by and surrendered to the Issuer on February 18, 2025, to satisfy tax withholding obligations that arose in connection with the vesting of the RSU Award.
Footnote 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.