Who has been buying Hanjung NCS stock?

10 distinct insiders have filed 6 disclosed insider purchases in Hanjung NCS (107640), most recently on 2026-07-15. 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 Hanjung NCS have?

Hanjung NCS has 6 buy-side and 14 sell-side disclosures on record, covering ₩2.1B ($1.5M) in total reported value, spanning 2024-03-31 to 2026-07-15.

Where does StockDrifts get Hanjung NCS 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.

Hanjung NCS 107640

Company

한중엔시에스Hanjung NCS

Insiders

Buys

Total Value

₩2.1B ($1.5M)

Avg Return

+0.50%

Last Filing

2026-07-15

Hanjung NCS (107640) has 6 disclosed insider purchases and 14 disclosed disposals on record, filed by 10 distinct insiders. Together those filings cover ₩2.1B ($1.5M) in reported transaction value. The earliest filing StockDrifts holds for Hanjung NCS is dated 2024-03-31; the most recent is 2026-07-15. 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 +0.50%, 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
2026-08-03	BUY	Market Buy	김상균 Kim Sang-gyun	CEO	4.6K	₩29,700	+8.1%	₩114M ($79K)
2026-07-31	BUY	Market Buy	김상균 Kim Sang-gyun	CEO	20.0K	₩28,400	+0.0%	₩507M ($352K)
2026-07-30	BUY	Market Buy	김상균 Kim Sang-gyun	president	20.0K	₩24,650	+15.2%	₩554M ($384K)
2026-07-22	BUY	Market Buy	김상균 Kim Sang-gyun	CEO	8.6K	₩29,550	+2.9%	₩243M ($169K)
2026-07-16	BUY	Market Buy	김상균 Kim Sang-gyun	CEO	18.0K	₩30,650	-0.8%	₩521M ($362K)
2026-07-15	BUY	Market Buy	김상균 Kim Sang-gyun	president	16.9K	₩30,700	-0.2%	₩510M ($354K)
2026-07-13	BUY	Market Buy	김상균 Kim Sang-gyun	president	3.0K	₩30,650	+0.0%	₩90M ($63K)
2026-07-10	BUY	Market Buy	김상균 Kim Sang-gyun	president	4.0K	₩31,550	-2.9%	₩119M ($82K)
2026-06-30	BUY	Market Buy	김환식 Kim Hwan-sik	CEO	150	-	-	-
2026-06-30	SELL	임원퇴임	박정현 Park Jeong-hyeon	Managing Director	-200	-	-	-
2026-03-04	SELL	Market Sell	신형균 Shin Hyeong-gyun	Managing Director	-3.0K	-	-	-
2025-11-04	SELL	Market Sell	강필수 Kang Pil-su	moving	-1.2K	₩48,500	+4.8%	₩58M ($40K)
2025-10-28	SELL	Market Sell	김영배 Youngbae Kim	thanks	-800	₩53,000	+12.9%	₩42M ($29K)
2025-10-28	SELL	Market Sell	임한택 Lim Han-taek	full time	-2.7K	₩53,000	+12.9%	₩144M ($100K)
2025-10-24	SELL	Market Sell	원동률 wondongryul	responsibility	-2.0K	₩47,100	+2.0%	₩94M ($65K)
2025-10-21	SELL	Market Sell	강필수 Kang Pil-su	moving	-600	₩47,950	+3.8%	₩29M ($20K)
2025-10-20	SELL	Market Sell	강필수 Kang Pil-su	moving	-2.7K	₩49,600	+7.0%	₩134M ($93K)
2025-10-17	SELL	Market Sell	신형균 Shin Hyeong-gyun	Managing Director	-7.1K	₩49,850	+7.4%	₩354M ($246K)
2025-10-16	SELL	Market Sell	김봉겸 Kim Bong-gyeom	Managing Director	-3.0K	₩47,250	+2.3%	₩144M ($100K)
2025-09-02	BUY	수증	김상균 Kim Sang-gyun	president	1.8M	₩31,550	+46.3%	₩56.8B ($39.4M)
2025-09-02	SELL	증여	김환식 Kim Hwan-sik	CEO	-1.8M	₩31,550	-46.3%	₩56.8B ($39.4M)
2025-09-02	SELL	Market Sell	강필수 Kang Pil-su	moving	-3.0K	₩31,550	-46.3%	₩95M ($66K)
2025-09-02	BUY	수증	김상균 Kim Sang-gyun	president	200.0K	₩31,550	+46.3%	₩6.3B ($4.4M)
2025-08-11	BUY	기타	신형균 Shin Hyeong-gyun	Managing Director	100	₩38,250	+20.6%	₩4M ($3K)
2025-08-01	SELL	Market Sell	박정현 Park Jeong-hyeon	Managing Director	-2.0K	₩32,500	-42.0%	₩65M ($45K)
2025-07-30	SELL	Market Sell	신형균 Shin Hyeong-gyun	Managing Director	-2.0K	₩34,600	-33.4%	₩69M ($48K)
2025-07-23	BUY	주식매수청구권 행사	신형균 Shin Hyeong-gyun	Managing Director	7.0K	₩30,050	+53.6%	₩210M ($146K)
2025-07-07	BUY	기타	강필수 Kang Pil-su	Managing Director	500	₩24,000	+92.3%	₩12M ($8K)
2025-07-07	BUY	기타	손태문 Son Tae-moon	vice president	600	₩24,000	+92.3%	₩14M ($10K)
2025-07-04	BUY	기타	민광식 Min Gwang-sik	Managing Director	1.7K	₩24,450	+88.8%	₩41M ($28K)
2025-07-03	BUY	기타	김봉겸 Kim Bong-gyeom	Managing Director	3.0K	₩25,300	+82.4%	₩77M ($53K)
2025-07-01	BUY	기타	임한택 Lim Han-taek	full time	1.2K	₩25,150	+83.5%	₩30M ($21K)
2025-07-01	BUY	기타	문영중 Youngjung Moon	Managing Director	1.0K	₩25,150	+83.5%	₩25M ($17K)
2025-06-26	SELL	Market Sell	박정현 Park Jeong-hyeon	Managing Director	-5.8K	₩25,900	-78.2%	₩150M ($104K)
2025-05-08	SELL	Market Sell	손태문 Son Tae-moon	vice president	-350	₩27,400	-68.4%	₩10M ($7K)
2025-04-07	BUY	신규선임	김영배 Youngbae Kim	thanks	1.8K	₩21,050	+119.2%	₩38M ($26K)
2025-03-11	BUY	Market Buy	김환식 Kim Hwan-sik	CEO	1.0K	₩22,250	+107.4%	₩22M ($15K)
2025-01-16	BUY	주식매수청구권 행사	신형균 Shin Hyeong-gyun	Managing Director	2.0K	₩29,250	+57.8%	₩59M ($41K)
2025-01-16	BUY	주식매수청구권 행사	강필수 Kang Pil-su	moving	2.0K	₩29,250	+57.8%	₩59M ($41K)
2025-01-16	BUY	주식매수청구권 행사	김인곤 Kim In-gon	Managing Director	2.0K	₩29,250	+57.8%	₩59M ($41K)
2025-01-16	BUY	주식매수청구권 행사	박정현 Park Jeong-hyeon	Managing Director	3.0K	₩29,250	+57.8%	₩88M ($61K)
2025-01-01	BUY	신규선임	손태문 Son Tae-moon	vice president	350	₩25,200	+83.1%	₩9M ($6K)
2024-12-05	BUY	Market Buy	김환식 Kim Hwan-sik	CEO	1.0K	₩21,000	+119.8%	₩21M ($15K)
2024-10-23	SELL	시간외매매	브레이브뉴인베스트먼트 Brave New Investment	-	-436.4K	₩39,750	-16.1%	₩17.3B ($12.0M)
2024-08-26	BUY	PROGRAM	박정현 Park Jeong-hyeon	Managing Director	5.0K	₩42,600	+8.3%	₩213M ($148K)
2024-08-26	BUY	PROGRAM	강필수 Kang Pil-su	moving	5.0K	₩42,600	+8.3%	₩213M ($148K)
2024-08-26	BUY	PROGRAM	원동률 wondongryul	moving	5.8K	₩42,600	+8.3%	₩247M ($172K)
2024-08-26	BUY	PROGRAM	신형균 Shin Hyeong-gyun	Managing Director	5.0K	₩42,600	+8.3%	₩213M ($148K)
2024-08-26	BUY	PROGRAM	임한택 Lim Han-taek	moving	5.5K	₩42,600	+8.3%	₩234M ($163K)
2024-08-26	BUY	PROGRAM	김인곤 Kim In-gon	Managing Director	5.0K	₩42,600	+8.3%	₩213M ($148K)

Showing the 50 most recent of 53 filings.

Frequently asked questions

Who has been buying Hanjung NCS stock?: 10 distinct insiders have filed 6 disclosed insider purchases in Hanjung NCS (107640), most recently on 2026-07-15. 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 Hanjung NCS have?: Hanjung NCS has 6 buy-side and 14 sell-side disclosures on record, covering ₩2.1B ($1.5M) in total reported value, spanning 2024-03-31 to 2026-07-15.
Where does StockDrifts get Hanjung NCS 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 Hanjung NCS. For how StockDrifts scores these disclosures, see the Korea insider signal tier research, or browse every Korean stock we track.