Castec KoreaLtd Ownership

Who are the major shareholders and have insiders been buying or selling?

Recent Insider Transactions

Insider Trading Volume

Insider Buying: Insufficient data to determine if insiders have bought more shares than they have sold in the past 3 months.

Ownership Breakdown

What is the ownership structure of A071850?
Owner Type	Number of Shares	Ownership Percentage
Employee Share Scheme	235,040	0.969%
Private Companies	6,527,805	26.9%
General Public	7,252,655	29.9%
Individual Insiders	10,245,438	42.2%

Dilution of Shares: Shareholders have not been meaningfully diluted in the past year.

Top Shareholders

Top 25 shareholders own 69.12% of the company

Ownership	Name	Shares	Current Value	Change %	Portfolio %
12.9%	Sang-Weon Yun	3,127,369	₩5.1b	-1.12%	no data
9.86%	Daye C&T Corporation	2,390,959	₩3.9b	0%	no data
8.6%	Hakchul Lee	2,087,501	₩3.4b	1.01%	no data
7.21%	YOOJIN AUTO TECH CO., LTD.	1,749,125	₩2.8b	11.6%	no data
6.01%	Eugene Autotech Corporation	1,457,131	₩2.4b	0%	no data
5.48%	Dongho Kim	1,330,000	₩2.2b	10.8%	no data
4.13%	Ho-Seong Yun	1,002,300	₩1.6b	14.5%	no data
1.93%	Flowerpia Co., Ltd.	467,139	₩759.1m	5.8%	no data
1.91%	Dongyang Electronic Tech Co., Ltd.	463,451	₩753.1m	2.93%	no data
1.5%	Duhyun Sung	364,492	₩592.3m	0%	no data
1.19%	Haeil Jung	287,896	₩467.8m	0%	no data
1.05%	Sungkyum Cho	254,825	₩414.1m	0%	no data
1.01%	Hyeeun Oh	245,780	₩399.4m	0%	no data
0.97%	Castec Korea Co.,Ltdemployee Stock Ownership Association	235,040	₩381.9m	0%	no data
0.84%	Jinhyun Park	205,000	₩333.1m	0%	no data
0.8%	Cheolmin Lee	195,275	₩317.3m	0%	no data
0.64%	Changho Jeong	155,804	₩253.2m	0%	no data
0.54%	Hosoon Kim	131,565	₩213.8m	0%	no data
0.47%	Doljae Ok	113,826	₩185.0m	0%	no data
0.41%	Jaehoon Jung	100,000	₩162.5m	0%	no data
0.41%	Giseung Lee	100,000	₩162.5m	0%	no data
0.34%	Chang-Young Rim	83,192	₩135.2m	0%	no data
0.33%	Cheolja Lee	80,180	₩130.3m	0%	no data
0.33%	Bongkyun Lee	79,500	₩129.2m	0%	no data
0.25%	Taekyung Hwang	61,506	₩99.9m	0%	no data

Company Analysis and Financial Data Status

Data	Last Updated (UTC time)
Company Analysis	2025/11/17 01:38
End of Day Share Price	2025/11/17 00:00
Earnings	2025/06/30
Annual Earnings	2024/12/31

Data Sources

The data used in our company analysis is from S&P Global Market Intelligence LLC. The following data is used in our analysis model to generate this report. Data is normalised which can introduce a delay from the source being available.

Package	Data	Timeframe	Example US Source ^*
Company Financials	10 years	Income statement Cash flow statement Balance sheet	SEC Form 10-K SEC Form 10-Q
Analyst Consensus Estimates	+3 years	Forecast financials Analyst price targets	Analyst Research Reports Blue Matrix
Market Prices	30 years	Stock prices Dividends, Splits and Actions	ICE Market Data SEC Form S-1
Ownership	10 years	Top shareholders Insider trading	SEC Form 4 SEC Form 13D
Management	10 years	Leadership team Board of directors	SEC Form 10-K SEC Form DEF 14A
Key Developments	10 years	Company announcements	SEC Form 8-K

^* Example for US securities, for non-US equivalent regulatory forms and sources are used.

Unless specified all financial data is based on a yearly period but updated quarterly. This is known as Trailing Twelve Month (TTM) or Last Twelve Month (LTM) Data. Learn more.

Analysis Model and Snowflake

Details of the analysis model used to generate this report is available on our Github page, we also have guides on how to use our reports and tutorials on Youtube.

Learn about the world class team who designed and built the Simply Wall St analysis model.

Industry and Sector Metrics

Our industry and section metrics are calculated every 6 hours by Simply Wall St, details of our process are available on Github.

Analyst Sources

Castec Korea Co.,Ltd is covered by 0 analysts. 0 of those analysts submitted the estimates of revenue or earnings used as inputs to our report. Analysts submissions are updated throughout the day.