Director, CHIEF TECHNOLOGY OFFICER · Cytek Biosciences, Inc. · Common Stock
Side
M
Value
—
Shares
4,908
Price
—
Executed
May 18, 2026
Disclosed
May 20, 2026
Disclosure timeline2 days from execution to publication · legal deadline 2 business days
May 18 executedMay 20, 2026 disclosed
CTKB · daily
Yahoo Finance chart API
▲Execution▼Disclosure●Material company filing●Other disclosed buy●Other disclosed sellUnofficial public endpoint; daily OHLCV, split-adjusted. Replace with a licensed feed for production.
Option exercise — administrative, little informational value
Relative size+1 / 25
No reported dollar value · 0.1% of prior position
Filing timing0 / 15
Disclosed 2 business days after execution (deadline: 2)
Historical behavior+8 / 15
First recorded trade by this actor in this security
Frequency & clustering0 / 15
No clustered activity in the dataset
Market events0 / 10
No material company filing within 60 days after the trade
The Insider Score measures how far a disclosure deviates from normal filing patterns. A high score is a prompt for research, not evidence of illegal insider trading.
Yan Ming filed this Form 4 reporting a option exercise of CTKB on May 18, 2026. It became public on May 20, 2026. The filing establishes the reported transaction and the filer's stated role. It does not establish why the trade was made or what the filer knew.
Extraction
Method
Form 4 XML
Confidence
1.00
Director, CHIEF TECHNOLOGY OFFICER
Yan Mingcik:0001874041
Issuer
Cytek Biosciences, Inc.cik:0001831915
Revision history · 0
No field has changed since this record was first ingested.
