Who has been buying Sanil Electric stock?

10 distinct insiders have filed 4 disclosed insider purchases in Sanil Electric (062040), most recently on 2026-05-11. 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 Sanil Electric have?

Sanil Electric has 4 buy-side and 20 sell-side disclosures on record, covering ₩12.1B ($8.4M) in total reported value, spanning 2024-07-29 to 2026-05-11.

Where does StockDrifts get Sanil Electric 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.

Sanil Electric 062040

Company

산일전기Sanil Electric

Insiders

Buys

Total Value

₩12.1B ($8.4M)

Avg Return

-50.79%

Last Filing

2026-05-11

Sanil Electric (062040) has 4 disclosed insider purchases and 20 disclosed disposals on record, filed by 10 distinct insiders. Together those filings cover ₩12.1B ($8.4M) in reported transaction value. The earliest filing StockDrifts holds for Sanil Electric is dated 2024-07-29; the most recent is 2026-05-11. 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 -50.79%, 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
2026-08-13	SELL	시간외매매	한익희 Han Ik-hee	Co-CEO	-25.0K	₩188,000	+2.5%	₩4.6B ($3.2M)
2026-07-20	BUY	주식매수선택권	한익희 Han Ik-hee	Co-CEO	27.0K	₩170,800	-16.2%	₩4.6B ($3.2M)
2026-05-11	SELL	증여	박성일 Park Seong-il	Managing Director	-2.0K	-	-	-
2026-05-11	SELL	증여	박성일 Park Seong-il	Managing Director	-2.0K	-	-	-
2026-04-13	SELL	임원퇴임	류영태 Youngtae Ryu	vice president	-500	₩172,900	-32.2%	₩86M ($60K)
2026-03-27	SELL	시간외매매	강은숙 Kang Eun-sook	-	-3.1M	₩149,300	+0.0%	₩456.0B ($316.7M)
2025-08-27	SELL	Market Sell	이환수 Hwansoo Lee	Managing Director	-7.7K	₩115,600	-42.5%	₩884M ($614K)
2025-08-22	SELL	Market Sell	김동현 Donghyun Kim	Managing Director	-15.5K	₩114,800	-43.5%	₩1.8B ($1.2M)
2025-07-30	BUY	기타	최동헌 Dongheon Choi	Managing Director	6.3K	₩115,500	+42.6%	₩726M ($504K)
2025-06-25	SELL	Market Sell	김상준 Sangjun Kim	Managing Director	-6.0K	₩86,600	-90.2%	₩520M ($361K)
2025-06-24	SELL	Market Sell	김상준 Sangjun Kim	Managing Director	-5.0K	₩85,800	-92.0%	₩429M ($298K)
2025-06-23	SELL	Market Sell	이종혁 Jonghyuk Lee	Managing Director	-2.0K	₩84,100	-95.8%	₩168M ($117K)
2025-06-23	SELL	Market Sell	오창희 Changhee Oh	Managing Director	-11.0K	₩84,100	-95.8%	₩927M ($644K)
2025-06-19	SELL	Market Sell	박성일 Park Seong-il	Assistant Managing Director	-11.0K	₩84,700	-94.5%	₩928M ($644K)
2025-06-19	SELL	Market Sell	오창희 Changhee Oh	Managing Director	-14.0K	₩84,700	-94.5%	₩1.2B ($822K)
2025-06-19	SELL	Market Sell	이종혁 Jonghyuk Lee	Managing Director	-9.5K	₩84,700	-94.5%	₩805M ($559K)
2025-06-18	SELL	Market Sell	이종혁 Jonghyuk Lee	Managing Director	-5.6K	₩79,100	-108.2%	₩442M ($307K)
2025-06-18	SELL	Market Sell	윤열규 Yun Yeol-gyu	Managing Director	-8.2K	₩79,100	-108.2%	₩645M ($448K)
2025-04-30	SELL	임원퇴임	김홍관 Hongkwan Kim	Managing Director	-250.0K	₩54,500	-202.2%	₩13.6B ($9.5M)
2025-04-30	SELL	임원퇴임	김민중 Minjoong Kim	Managing Director	-4.5K	₩54,500	-202.2%	₩245M ($170K)
2025-04-30	SELL	임원퇴임	김태수 Kim Tae-soo	president	-2.0K	₩54,500	-202.2%	₩109M ($76K)
2025-04-23	BUY	증여취소	박성일 Park Seong-il	Assistant Managing Director	1.3K	₩50,400	+226.8%	₩66M ($46K)
2025-03-13	SELL	Market Sell	백성규 Seonggyu Baek	Managing Director	-28.9K	₩64,900	-153.8%	₩1.9B ($1.3M)
2025-03-12	SELL	Market Sell	백성규 Seonggyu Baek	Managing Director	-5.3K	₩60,700	-171.3%	₩322M ($223K)
2025-03-11	SELL	Market Sell	백성규 Seonggyu Baek	Managing Director	-3.7K	₩61,000	-170.0%	₩227M ($157K)
2025-02-28	SELL	Market Sell	백성규 Seonggyu Baek	Managing Director	-1.1K	₩64,700	-154.6%	₩71M ($49K)
2025-02-27	SELL	Market Sell	백성규 Seonggyu Baek	Managing Director	-2.0K	₩69,000	-138.7%	₩141M ($98K)
2025-02-26	SELL	Market Sell	백성규 Seonggyu Baek	Managing Director	-1.6K	₩68,200	-141.5%	₩113M ($78K)
2025-02-06	SELL	Market Sell	김태수 Kim Tae-soo	president	-7.0K	₩71,900	-129.1%	₩503M ($350K)
2025-02-06	SELL	Market Sell	백성규 Seonggyu Baek	Managing Director	-1.9K	₩71,900	-129.1%	₩137M ($95K)
2025-02-04	SELL	증여	오창희 Changhee Oh	Managing Director	-250	₩74,500	-121.1%	₩19M ($13K)
2025-02-03	SELL	증여	오창희 Changhee Oh	Managing Director	-1.0K	₩73,400	-124.4%	₩73M ($51K)
2025-01-31	SELL	증여	오창희 Changhee Oh	Managing Director	-7.0K	₩72,200	-128.1%	₩505M ($351K)
2025-01-31	SELL	증여	박성일 Park Seong-il	Assistant Managing Director	-500	₩72,200	-128.1%	₩36M ($25K)
2025-01-31	SELL	증여	박성일 Park Seong-il	Assistant Managing Director	-500	₩72,200	-128.1%	₩36M ($25K)
2025-01-31	SELL	증여	박성일 Park Seong-il	Assistant Managing Director	-1.0K	₩72,200	-128.1%	₩72M ($50K)
2025-01-31	SELL	증여	박성일 Park Seong-il	Assistant Managing Director	-1.3K	₩72,200	-128.1%	₩94M ($65K)
2025-01-31	SELL	증여	박성일 Park Seong-il	Assistant Managing Director	-1.3K	₩72,200	-128.1%	₩94M ($65K)
2025-01-31	SELL	증여	박성일 Park Seong-il	Assistant Managing Director	-3.7K	₩72,200	-128.1%	₩267M ($186K)
2024-12-31	SELL	임원퇴임	한봉수 Bongsu Han	Managing Director	-15.1K	₩67,900	-142.6%	₩1.0B ($710K)
2024-12-31	SELL	임원퇴임	신범인 Shin Beom-in	Managing Director	-16.4K	₩67,900	-142.6%	₩1.1B ($771K)
2024-12-31	SELL	임원퇴임	고항규 Go Hang-gyu	vice president	-5.4K	₩67,900	-142.6%	₩367M ($255K)
2024-11-07	SELL	Market Sell	백성규 Seonggyu Baek	Managing Director	-112	₩55,200	-198.4%	₩6M ($4K)
2024-10-31	BUY	Market Buy	류영태 Youngtae Ryu	vice president	230	₩42,150	+290.8%	₩10M ($7K)
2024-10-29	BUY	Market Buy	류영태 Youngtae Ryu	vice president	268	₩41,100	+300.7%	₩11M ($8K)
2024-08-16	BUY	Market Buy	백성규 Seonggyu Baek	Managing Director	80	₩48,100	+242.4%	₩4M ($3K)
2024-08-14	BUY	Market Buy	백성규 Seonggyu Baek	Managing Director	110	₩41,900	+293.1%	₩5M ($3K)
2024-08-09	BUY	PROGRAM	고항규 Go Hang-gyu	vice president	5.4K	₩45,850	+259.2%	₩248M ($172K)
2024-08-09	BUY	PROGRAM	김민중 Minjoong Kim	Managing Director	4.5K	₩45,850	+259.2%	₩206M ($143K)
2024-08-09	BUY	PROGRAM	김동현 Donghyun Kim	Managing Director	7.5K	₩45,850	+259.2%	₩344M ($239K)

Showing the 50 most recent of 72 filings.

Frequently asked questions

Who has been buying Sanil Electric stock?: 10 distinct insiders have filed 4 disclosed insider purchases in Sanil Electric (062040), most recently on 2026-05-11. 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 Sanil Electric have?: Sanil Electric has 4 buy-side and 20 sell-side disclosures on record, covering ₩12.1B ($8.4M) in total reported value, spanning 2024-07-29 to 2026-05-11.
Where does StockDrifts get Sanil Electric 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 Sanil Electric. For how StockDrifts scores these disclosures, see the Korea insider signal tier research, or browse every Korean stock we track.