Who has been buying SK Hynix stock?

56 distinct insiders have filed 37 disclosed insider purchases in SK Hynix (000660), most recently on 2026-07-13. 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 SK Hynix have?

SK Hynix has 37 buy-side and 50 sell-side disclosures on record, covering ₩14.4B ($10.0M) in total reported value, spanning 2023-04-10 to 2026-07-13.

Where does StockDrifts get SK Hynix 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.

SK Hynix 000660

Company

SK하이닉스SK Hynix

Insiders

Buys

Total Value

₩14.4B ($10.0M)

Avg Return

-108.78%

Last Filing

2026-07-13

SK Hynix (000660) has 37 disclosed insider purchases and 50 disclosed disposals on record, filed by 56 distinct insiders. Together those filings cover ₩14.4B ($10.0M) in reported transaction value. The earliest filing StockDrifts holds for SK Hynix is dated 2023-04-10; the most recent is 2026-07-13. All of it is parsed from DART D001/D002 insider disclosures, the official disclosure system operated by the Financial Supervisory Service (Korea).

Price & insider activity (12 months)

Recent insider trades

Date	Type	Source	Insider	Position	Shares	Price at filing	Return	Value
2026-07-30	BUY	Market Buy	최태원 Taewon Choi	Chairman	3.6K	₩1,322,000	+29.9%	₩4.9B ($3.4M)
2026-07-13	BUY	Market Buy	이승환 Seunghwan Lee	in charge	22	₩1,845,000	-0.2%	₩43M ($30K)
2026-06-26	BUY	기타	박상범 Sangbeom Park	in charge	263	₩2,673,000	-9.3%	₩703M ($488K)
2026-06-24	SELL	Market Sell	최준기 Joongi Choi	in charge	-1.5K	₩2,580,000	+6.0%	₩3.9B ($2.7M)
2026-06-05	BUY	주식매수선택권	최준기 Joongi Choi	in charge	2.2K	₩2,070,000	+10.5%	₩4.6B ($3.2M)
2026-06-01	BUY	Market Buy	김현중 Hyunjoong Kim	in charge	19	₩2,363,000	-3.2%	₩45M ($31K)
2026-06-01	BUY	Market Buy	주영표 Youngpyo Joo	Researcher	45	₩2,363,000	-3.2%	₩106M ($74K)
2026-06-01	BUY	기타	주영표 Youngpyo Joo	Researcher	259	₩2,363,000	-3.2%	₩612M ($425K)
2026-05-29	SELL	Market Sell	김주선 Kim Joo-seon	president	-1.0K	₩2,333,000	+1.9%	₩2.3B ($1.6M)
2026-05-22	BUY	Market Buy	김현중 Hyunjoong Kim	in charge	2	₩1,922,000	+19.0%	₩4M ($3K)
2026-05-19	BUY	Market Buy	김현중 Hyunjoong Kim	in charge	5	₩1,745,000	+31.1%	₩9M ($6K)
2026-05-18	BUY	Market Buy	김현중 Hyunjoong Kim	in charge	5	₩1,840,000	+24.4%	₩9M ($6K)
2026-05-12	BUY	기타	이동근 Lee Dong-geun	Researcher	260	₩1,835,000	+4.7%	₩477M ($331K)
2026-05-07	SELL	Market Sell	강춘호 Kang Chun-ho	in charge	-419	₩1,654,000	-38.3%	₩693M ($481K)
2026-05-06	BUY	기타	양명훈 Yang Myung-hoon	in charge	42	₩1,601,000	+18.1%	₩67M ($47K)
2026-05-04	BUY	PROGRAM	고승범 Seungbeom Go	Outside Director	65	₩1,447,000	+13.0%	₩94M ($65K)
2026-05-04	BUY	PROGRAM	정덕균 Jeong Deok-gyun	Outside Director	40	₩1,447,000	+13.0%	₩58M ($40K)
2026-05-04	BUY	PROGRAM	김정원 Kim Jeong-won	Outside Director	40	₩1,447,000	+13.0%	₩58M ($40K)
2026-05-04	BUY	PROGRAM	곽노정 Kwak No-jeong	president	5.9K	₩1,447,000	+13.0%	₩8.5B ($5.9M)
2026-05-04	BUY	PROGRAM	최강국 The most powerful country	Outside Director	40	₩1,447,000	+13.0%	₩58M ($40K)
2026-05-04	BUY	PROGRAM	양동훈 Yang Dong-hoon	Outside Director	40	₩1,447,000	+13.0%	₩58M ($40K)
2026-05-04	BUY	PROGRAM	안현 Anhyeon	president	1.5K	₩1,447,000	+13.0%	₩2.1B ($1.5M)
2026-05-04	BUY	PROGRAM	손현철 Son Hyeon-cheol	Outside Director	40	₩1,447,000	+13.0%	₩58M ($40K)
2026-04-27	BUY	Market Buy	박명수 Park Myung-soo	in charge	3	₩1,292,000	+0.1%	₩4M ($3K)
2026-04-24	SELL	Market Sell	송창석 Song Chang-seok	in charge	-130	₩1,222,000	-5.8%	₩159M ($110K)
2026-04-24	BUY	Market Buy	박명수 Park Myung-soo	in charge	15	₩1,222,000	+5.8%	₩18M ($13K)
2026-04-06	BUY	주식매수선택권	차선용 lane	president	2.3K	₩886,000	+37.9%	₩2.1B ($1.4M)
2026-04-06	BUY	주식매수선택권	안현 Anhyeon	president	2.4K	₩886,000	+37.9%	₩2.1B ($1.5M)
2026-04-06	BUY	주식매수선택권	곽노정 Kwak No-jeong	president	2.3K	₩886,000	+37.9%	₩2.1B ($1.4M)
2026-04-06	BUY	Market Buy	곽상현 Kwak Sanghyun	Researcher	60	₩886,000	+37.9%	₩53M ($37K)
2026-03-31	BUY	Market Buy	임의철 Lim Eom-cheol	in charge	80	₩807,000	+51.4%	₩65M ($45K)
2026-03-27	BUY	Market Buy	이창수 Changsoo Lee	in charge	113	₩922,000	+32.5%	₩104M ($72K)
2026-03-11	SELL	Market Sell	정인철 Jeong In-cheol	in charge	-1.3K	₩955,000	+3.5%	₩1.2B ($832K)
2026-03-09	BUY	Market Buy	임의철 Lim Eom-cheol	in charge	120	₩836,000	+46.2%	₩100M ($70K)
2026-02-27	SELL	Market Sell	설광수 Seol Gwang-soo	in charge	-71	₩1,061,000	+13.1%	₩75M ($52K)
2026-02-26	SELL	Market Sell	송창석 Song Chang-seok	in charge	-39	₩1,099,000	+16.1%	₩43M ($30K)
2026-02-13	BUY	Market Buy	임의철 Lim Eom-cheol	in charge	201	₩880,000	+38.9%	₩177M ($123K)
2026-02-09	BUY	기타	김수길 Kim Soo-gil	Researcher	257	₩887,000	+4.0%	₩228M ($158K)
2026-02-09	BUY	Market Buy	함동균 Ham Dong-gyun	in charge	12	₩887,000	+4.0%	₩11M ($7K)
2026-02-09	BUY	Market Buy	한혜승 Hyeseung Han	in charge	20	₩887,000	+4.0%	₩18M ($12K)
2026-02-06	BUY	Market Buy	최근섭 Choi Geun-seop	in charge	144	₩839,000	+9.9%	₩121M ($84K)
2026-02-05	BUY	PROGRAM	손호영 Son Hoyoung	in charge	46	₩842,000	+9.5%	₩39M ($27K)
2026-02-05	BUY	PROGRAM	지해성 Ji Hae-seong	in charge	69	₩842,000	+9.5%	₩58M ($40K)
2026-02-05	BUY	PROGRAM	오상현 Sanghyun Oh	Researcher	153	₩842,000	+9.5%	₩129M ($89K)
2026-02-05	BUY	PROGRAM	주영표 Youngpyo Joo	Researcher	69	₩842,000	+9.5%	₩58M ($40K)
2026-02-05	BUY	PROGRAM	조성봉 Seongbong Cho	in charge	99	₩842,000	+9.5%	₩83M ($58K)
2026-02-05	BUY	PROGRAM	진승우 Seungwoo Jin	Researcher	36	₩842,000	+9.5%	₩30M ($21K)
2026-02-05	BUY	PROGRAM	유민수 Yoo Min-su	Researcher	58	₩842,000	+9.5%	₩49M ($34K)
2026-02-05	BUY	PROGRAM	손승훈 Seunghoon Son	in charge	45	₩842,000	+9.5%	₩38M ($26K)
2026-02-05	BUY	PROGRAM	손영우 Youngwoo Son	in charge	69	₩842,000	+9.5%	₩58M ($40K)

Showing the 50 most recent of 200 filings.

Frequently asked questions

Who has been buying SK Hynix stock?: 56 distinct insiders have filed 37 disclosed insider purchases in SK Hynix (000660), most recently on 2026-07-13. 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 SK Hynix have?: SK Hynix has 37 buy-side and 50 sell-side disclosures on record, covering ₩14.4B ($10.0M) in total reported value, spanning 2023-04-10 to 2026-07-13.
Where does StockDrifts get SK Hynix 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 SK Hynix. For how StockDrifts scores these disclosures, see the Korea insider signal tier research, or browse every Korean stock we track.