CTKB ($CTKB) Insider Trading & Smart Money Activity

CTKB · Medical Devices · Latest filing Jun 12, 2026

$CTKB has 1 insider trade on file. Insiders filed 1 Form 4 transaction in the last 12 months, none of them open-market purchases or sales.

Insider buyers (12 mo): 0
Insider sellers (12 mo): 0
Net insider $ (12 mo): $0
Congress trades (12 mo): 0
13F moves on file: 0
Analyst ratings on file: 0

CTKB insider buying and selling by quarter

Quarter	Congress buys / sales	13F added / cut
Q1 2026	0 / 0	0 / 0
Q2 2026	0 / 0	0 / 0
Q3 2026	0 / 0	0 / 0
Q4 2026	0 / 0	0 / 0

Insider buys and sales count open-market trades only (Form 4 codes P and S). Grants, option exercises and tax withholding are left out.

All CTKB insider, congress, 13F and analyst activity

Date	Source	Who	Action	Shares	Value / amount	ΔOwn	1W	1M	6M	Filing	Story
Jun 12, 2026	Insider	Ming YanCHIEF TECHNOLOGY OFFICER	Sell (Gift)	135.89K sh			-2.5%	+13.9%			Read

1W / 1M / 6M = how CTKB moved from the trade or filing date.

Insider trading in CTKB: who is buying and selling

Insider	Role	Trades	Open-market net	Shares held	Last trade
Ming Yan	CHIEF TECHNOLOGY OFFICER	1	—		Jun 12, 2026

Frequently asked questions

What is the latest insider trade in CTKB?

Ming Yan, CHIEF TECHNOLOGY OFFICER filed a sell (gift) of 135.89K sh on Jun 12, 2026.

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Data comes from public SEC Form 4 and 13F filings and STOCK Act disclosures. Dates are the trade or filing date reported. This page is for research only and is not investment advice.

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