Who has been buying contact stock?

4 distinct insiders have filed 0 disclosed insider purchases in contact (451760), most recently on 2026-04-21. 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 contact have?

contact has 0 buy-side and 12 sell-side disclosures on record, covering ₩1.2B ($845K) in total reported value, spanning 2024-04-11 to 2026-04-21.

Where does StockDrifts get contact 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.

contact 451760

Company

컨텍contact

Insiders

Buys

Total Value

₩1.2B ($845K)

Avg Return

-87.42%

Last Filing

2026-04-21

contact (451760) has 0 disclosed insider purchases and 12 disclosed disposals on record, filed by 4 distinct insiders. Together those filings cover ₩1.2B ($845K) in reported transaction value. The earliest filing StockDrifts holds for contact is dated 2024-04-11; the most recent is 2026-04-21. 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 -87.42%, 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
2026-04-21	BUY	주식매수선택권	신창호 Shin Chang-ho	vice president	3.4K	₩20,200	+13.1%	₩69M ($48K)
2026-04-21	BUY	주식매수선택권	강주형 Kang Joo-hyung	Managing Director	8.4K	₩20,200	+13.1%	₩170M ($118K)
2026-04-21	BUY	주식매수선택권	이재원 Jaewon Lee	vice president	7.0K	₩20,200	+13.1%	₩141M ($98K)
2026-01-02	BUY	신규선임	전민표 Jeon Minpyo	Managing Director	354.6K	₩11,810	+55.3%	₩4.2B ($2.9M)
2026-01-02	SELL	Market Sell	서동춘 Seo Dong-chun	president	-35.0K	₩11,810	-55.3%	₩413M ($287K)
2025-12-26	SELL	Market Sell	서동춘 Seo Dong-chun	president	-10.0K	₩11,520	-59.2%	₩115M ($80K)
2025-05-30	SELL	Market Sell	신창호 Shin Chang-ho	vice president	-5.0K	₩9,090	-101.8%	₩45M ($31K)
2025-05-29	SELL	Market Sell	신창호 Shin Chang-ho	vice president	-13.9K	₩9,060	-102.4%	₩126M ($87K)
2025-05-28	SELL	Market Sell	신창호 Shin Chang-ho	vice president	-2.3K	₩9,150	-100.4%	₩21M ($15K)
2025-05-27	SELL	Market Sell	신창호 Shin Chang-ho	vice president	-2.0K	₩9,150	-100.4%	₩18M ($13K)
2025-05-27	SELL	Market Sell	강주형 Kang Joo-hyung	Managing Director	-3.7K	₩9,150	-100.4%	₩34M ($24K)
2025-04-25	SELL	Market Sell	이재원 Jaewon Lee	vice president	-3.0K	₩9,870	-85.8%	₩30M ($21K)
2025-04-24	SELL	Market Sell	이재원 Jaewon Lee	vice president	-10.0K	₩9,890	-85.4%	₩99M ($69K)
2025-04-23	SELL	Market Sell	이재원 Jaewon Lee	vice president	-12.0K	₩9,890	-85.4%	₩119M ($82K)
2025-04-22	SELL	Market Sell	이재원 Jaewon Lee	vice president	-15.0K	₩9,800	-87.1%	₩147M ($102K)
2025-04-21	SELL	Market Sell	이재원 Jaewon Lee	vice president	-5.0K	₩9,900	-85.3%	₩50M ($34K)
2025-04-21	BUY	주식매수선택권	신창호 Shin Chang-ho	vice president	18.1K	₩9,900	+85.3%	₩179M ($124K)
2025-04-21	BUY	주식매수선택권	이재원 Jaewon Lee	vice president	18.1K	₩9,900	+85.3%	₩179M ($124K)
2025-04-21	BUY	주식매수선택권	서동춘 Seo Dong-chun	Managing Director	17.6K	₩9,900	+85.3%	₩174M ($121K)
2025-04-21	BUY	주식매수선택권	최기환 Choi Ki-hwan	Managing Director	8.4K	₩9,900	+85.3%	₩83M ($58K)
2025-01-01	BUY	신규선임	최기환 Choi Ki-hwan	Managing Director	87.7K	₩10,490	+74.8%	₩920M ($639K)
2024-11-13	BUY	주식매수선택권	백재현 Jaehyun Baek	Managing Director	15.0K	₩11,150	+64.5%	₩167M ($116K)
2024-11-13	BUY	주식매수선택권	신창호 Shin Chang-ho	vice president	15.0K	₩11,150	+64.5%	₩167M ($116K)
2024-11-13	BUY	주식매수선택권	서동춘 Seo Dong-chun	Managing Director	6.0K	₩11,150	+64.5%	₩67M ($46K)
2024-11-13	BUY	주식매수선택권	이재원 Jaewon Lee	vice president	15.0K	₩11,150	+64.5%	₩167M ($116K)
2024-04-11	BUY	주식매수선택권	강주형 Kang Joo-hyung	Managing Director	28.1K	₩18,220	+0.7%	₩512M ($355K)

Frequently asked questions

Who has been buying contact stock?: 4 distinct insiders have filed 0 disclosed insider purchases in contact (451760), most recently on 2026-04-21. 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 contact have?: contact has 0 buy-side and 12 sell-side disclosures on record, covering ₩1.2B ($845K) in total reported value, spanning 2024-04-11 to 2026-04-21.
Where does StockDrifts get contact 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 contact. For how StockDrifts scores these disclosures, see the Korea insider signal tier research, or browse every Korean stock we track.