Who has been buying Coats Technology stock?

5 distinct insiders have filed 0 disclosed insider purchases in Coats Technology (448710), most recently on 2025-11-28. Each filer, their role, the number of shares and the price at filing are listed in the table on this page.

How many insider filings does Coats Technology have?

Coats Technology has 0 buy-side and 27 sell-side disclosures on record, covering ₩3.1B ($2.2M) in total reported value, spanning 2024-02-19 to 2025-11-28.

Where does StockDrifts get Coats Technology insider data?

From DART D001/D002 insider disclosures — the official filing system run by the Financial Supervisory Service (Korea). StockDrifts parses each disclosure and matches it to daily price history; the original filings remain available directly from DART.

Do insider buys in Korean stocks predict returns?

Not uniformly. StockDrifts analysed 170,720 share-count changes across 56,930 Korean DART filings using cross-sectional alpha at fixed forward horizons, and found returns concentrated in particular signal tiers rather than in insider buying generally.

Coats Technology 448710

Company

코츠테크놀로지Coats Technology

Insiders

Buys

Total Value

₩3.1B ($2.2M)

Avg Return

-5.02%

Last Filing

2025-11-28

Coats Technology (448710) has 0 disclosed insider purchases and 27 disclosed disposals on record, filed by 5 distinct insiders. Together those filings cover ₩3.1B ($2.2M) in reported transaction value. The earliest filing StockDrifts holds for Coats Technology is dated 2024-02-19; the most recent is 2025-11-28. All of it is parsed from DART D001/D002 insider disclosures, the official disclosure system operated by the Financial Supervisory Service (Korea). Across these filings the average return since disclosure is -5.02%, measured from each filing date to the latest available close.

Price & insider activity (12 months)

Recent insider trades

Date	Type	Source	Insider	Position	Shares	Price at filing	Return	Value
2025-11-28	SELL	Market Sell	황병창 Byeongchang Hwang	moving	-11.5K	₩16,970	-15.0%	₩195M ($136K)
2025-11-27	SELL	Market Sell	황병창 Byeongchang Hwang	moving	-55.4K	₩16,670	-17.0%	₩923M ($641K)
2025-11-26	SELL	Market Sell	황병창 Byeongchang Hwang	moving	-12.1K	₩16,870	-15.7%	₩204M ($142K)
2025-11-24	SELL	시간외매매	황병창 Byeongchang Hwang	moving	-430.0K	₩16,670	-17.0%	₩7.2B ($5.0M)
2025-05-02	SELL	Market Sell	황병창 Byeongchang Hwang	moving	-2.9K	₩18,570	-5.1%	₩53M ($37K)
2025-04-30	SELL	Market Sell	황병창 Byeongchang Hwang	moving	-6.6K	₩18,150	-7.5%	₩120M ($83K)
2025-04-29	SELL	Market Sell	황병창 Byeongchang Hwang	moving	-2.5K	₩18,340	-6.4%	₩46M ($32K)
2025-04-25	SELL	Market Sell	황병창 Byeongchang Hwang	moving	-500	₩18,880	-3.3%	₩9M ($7K)
2025-04-24	SELL	Market Sell	황병창 Byeongchang Hwang	moving	-16.0K	₩18,820	-3.7%	₩301M ($209K)
2025-04-21	SELL	Market Sell	황병창 Byeongchang Hwang	moving	-5.0K	₩17,740	-10.0%	₩89M ($62K)
2025-04-17	SELL	Market Sell	황병창 Byeongchang Hwang	moving	-2.0K	₩18,140	-7.5%	₩36M ($25K)
2025-04-16	SELL	Market Sell	황병창 Byeongchang Hwang	moving	-1.5K	₩17,490	-11.6%	₩26M ($18K)
2025-04-07	SELL	Market Sell	황병창 Byeongchang Hwang	moving	-1.0K	₩15,680	-24.4%	₩16M ($11K)
2025-03-28	SELL	Market Sell	황병창 Byeongchang Hwang	moving	-3.0K	₩16,300	-19.7%	₩49M ($34K)
2025-03-26	SELL	Market Sell	황병창 Byeongchang Hwang	moving	-500	₩17,450	-11.8%	₩9M ($6K)
2024-11-29	BUY	주식매수청구권 행사	김태영 Taeyoung Kim	president	14.5K	₩15,500	+25.9%	₩225M ($156K)
2024-10-29	SELL	Market Sell	황병창 Byeongchang Hwang	moving	-3.0K	₩22,050	+11.5%	₩66M ($46K)
2024-10-28	SELL	Market Sell	황병창 Byeongchang Hwang	moving	-500	₩21,700	+10.1%	₩11M ($8K)
2024-10-22	SELL	Market Sell	황병창 Byeongchang Hwang	moving	-3.0K	₩22,400	+12.9%	₩67M ($47K)
2024-09-05	SELL	Market Sell	유연상 Yeon Sang	Managing Director	-1.5K	₩17,210	-13.4%	₩26M ($18K)
2024-09-05	BUY	기타	유연상 Yeon Sang	Managing Director	1.5K	₩17,210	+13.4%	₩26M ($18K)
2024-07-22	SELL	Market Sell	유연상 Yeon Sang	Managing Director	-16.7K	₩24,350	+19.9%	₩406M ($282K)
2024-04-23	SELL	Market Sell	유재근 Jaegeun Yoo	moving	-2.0K	₩26,150	+25.4%	₩52M ($36K)
2024-04-19	SELL	Market Sell	정운석 Unseok Jeong	moving	-1.0K	₩25,350	+23.0%	₩25M ($18K)
2024-03-14	SELL	Market Sell	함승현 Seunghyeon Ham	moving	-15.0K	₩20,550	+5.1%	₩308M ($214K)
2024-02-26	SELL	Market Sell	유재근 Jaegeun Yoo	moving	-2.0K	₩17,040	-14.5%	₩34M ($24K)
2024-02-26	SELL	Market Sell	정운석 Unseok Jeong	moving	-2.0K	₩17,040	-14.5%	₩34M ($24K)
2024-02-22	SELL	Market Sell	정운석 Unseok Jeong	moving	-144	₩18,120	-7.7%	₩3M ($2K)
2024-02-20	SELL	Market Sell	정운석 Unseok Jeong	moving	-856	₩16,540	-18.0%	₩14M ($10K)
2024-02-19	SELL	Market Sell	유연상 Yeon Sang	Managing Director	-1.3K	₩16,690	-16.9%	₩22M ($15K)

Frequently asked questions

Who has been buying Coats Technology stock?: 5 distinct insiders have filed 0 disclosed insider purchases in Coats Technology (448710), most recently on 2025-11-28. Each filer, their role, the number of shares and the price at filing are listed in the table on this page.
How many insider filings does Coats Technology have?: Coats Technology has 0 buy-side and 27 sell-side disclosures on record, covering ₩3.1B ($2.2M) in total reported value, spanning 2024-02-19 to 2025-11-28.
Where does StockDrifts get Coats Technology insider data?: From DART D001/D002 insider disclosures — the official filing system run by the Financial Supervisory Service (Korea). StockDrifts parses each disclosure and matches it to daily price history; the original filings remain available directly from DART.
Do insider buys in Korean stocks predict returns?: Not uniformly. StockDrifts analysed 170,720 share-count changes across 56,930 Korean DART filings using cross-sectional alpha at fixed forward horizons, and found returns concentrated in particular signal tiers rather than in insider buying generally.

Source filings

Every trade listed above is disclosed in DART D001/D002 insider disclosures, filed with the Financial Supervisory Service (Korea). View the original DART filings for Coats Technology. For how StockDrifts scores these disclosures, see the Korea insider signal tier research, or browse every Korean stock we track.