Who has been buying Sebang stock?

2 distinct insiders have filed 2 disclosed insider purchases in Sebang (004360), most recently on 2025-07-18. 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 Sebang have?

Sebang has 2 buy-side and 1 sell-side disclosures on record, covering ₩9M ($6K) in total reported value, spanning 2024-01-01 to 2025-07-18.

Where does StockDrifts get Sebang 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.

Sebang 004360

Company

세방Sebang

Insiders

Buys

Total Value

₩9M ($6K)

Avg Return

+22.86%

Last Filing

2025-07-18

Sebang (004360) has 2 disclosed insider purchases and 1 disclosed disposals on record, filed by 2 distinct insiders. Together those filings cover ₩9M ($6K) in reported transaction value. The earliest filing StockDrifts holds for Sebang is dated 2024-01-01; the most recent is 2025-07-18. 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 +22.86%, 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
2025-07-18	BUY	PROGRAM	이상웅 Sangwoong Lee	Chairman	127	₩15,510	+7.6%	₩2M ($1K)
2025-07-18	BUY	PROGRAM	손민철 Son Min-cheol	Managing Director	127	₩15,510	+7.6%	₩2M ($1K)
2025-07-18	BUY	PROGRAM	이령 Lee Ryeong	Managing Director	127	₩15,510	+7.6%	₩2M ($1K)
2025-07-18	BUY	PROGRAM	최우수 very best	Outside Director	127	₩15,510	+7.6%	₩2M ($1K)
2025-07-18	BUY	PROGRAM	이원섭 Wonseop Lee	Managing Director	127	₩15,510	+7.6%	₩2M ($1K)
2025-07-18	BUY	PROGRAM	김근영 Kim Geun-young	Managing Director	127	₩15,510	+7.6%	₩2M ($1K)
2025-07-18	BUY	PROGRAM	최재만 Jaeman Choi	Managing Director	127	₩15,510	+7.6%	₩2M ($1K)
2025-07-18	BUY	PROGRAM	장행수 Jang Haeng-su	Managing Director	127	₩15,510	+7.6%	₩2M ($1K)
2025-07-18	BUY	PROGRAM	박철문 Park Cheol-moon	Managing Director	127	₩15,510	+7.6%	₩2M ($1K)
2025-07-18	BUY	PROGRAM	최종일 last day	CEO	127	₩15,510	+7.6%	₩2M ($1K)
2025-07-18	BUY	PROGRAM	강병호 Kang Byeong-ho	Managing Director	127	₩15,510	+7.6%	₩2M ($1K)
2025-07-18	BUY	PROGRAM	정성훈 Seonghun Jeong	Managing Director	127	₩15,510	+7.6%	₩2M ($1K)
2025-07-18	BUY	PROGRAM	박홍철 Park Hong-cheol	Managing Director	127	₩15,510	+7.6%	₩2M ($1K)
2025-07-18	BUY	PROGRAM	김우현 Woohyun Kim	Outside Director	127	₩15,510	+7.6%	₩2M ($1K)
2025-07-18	BUY	PROGRAM	윤종훈 Jong-Hoon Yoon	Outside Director	127	₩15,510	+7.6%	₩2M ($1K)
2025-05-27	SELL	Market Sell	손민철 Son Min-cheol	Managing Director	-46	₩13,380	-24.7%	₩615K ($427)
2025-01-01	BUY	PROGRAM	박홍철 Park Hong-cheol	Managing Director	30	₩11,090	+50.5%	₩333K ($231)
2025-01-01	BUY	PROGRAM	이령 Lee Ryeong	Managing Director	230	₩11,090	+50.5%	₩3M ($2K)
2024-12-26	BUY	PROGRAM	윤종훈 Jong-Hoon Yoon	Outside Director	100	₩11,380	+46.7%	₩1M ($790)
2024-12-26	BUY	PROGRAM	최우수 very best	Outside Director	100	₩11,380	+46.7%	₩1M ($790)
2024-12-26	BUY	PROGRAM	손민철 Son Min-cheol	Managing Director	15	₩11,380	+46.7%	₩171K ($119)
2024-12-26	BUY	PROGRAM	손민철 Son Min-cheol	Managing Director	230	₩11,380	+46.7%	₩3M ($2K)
2024-12-26	BUY	PROGRAM	강병호 Kang Byeong-ho	Managing Director	230	₩11,380	+46.7%	₩3M ($2K)
2024-12-26	BUY	PROGRAM	이상웅 Sangwoong Lee	Chairman	1.0K	₩11,380	+46.7%	₩11M ($8K)
2024-12-26	BUY	PROGRAM	이원섭 Wonseop Lee	Managing Director	230	₩11,380	+46.7%	₩3M ($2K)
2024-12-26	BUY	PROGRAM	장행수 Jang Haeng-su	Managing Director	230	₩11,380	+46.7%	₩3M ($2K)
2024-12-26	BUY	PROGRAM	박철문 Park Cheol-moon	Managing Director	100	₩11,380	+46.7%	₩1M ($790)
2024-12-26	BUY	PROGRAM	최종일 last day	CEO	900	₩11,380	+46.7%	₩10M ($7K)
2024-12-26	BUY	PROGRAM	최재만 Jaeman Choi	Managing Director	230	₩11,380	+46.7%	₩3M ($2K)
2024-12-26	BUY	PROGRAM	김우현 Woohyun Kim	Outside Director	100	₩11,380	+46.7%	₩1M ($790)
2024-12-26	BUY	PROGRAM	김근영 Kim Geun-young	Managing Director	682	₩11,380	+46.7%	₩8M ($5K)
2024-12-26	BUY	PROGRAM	김근영 Kim Geun-young	Managing Director	230	₩11,380	+46.7%	₩3M ($2K)
2024-01-01	BUY	PROGRAM	정성훈 Seonghun Jeong	Managing Director	230	₩11,980	+39.3%	₩3M ($2K)

Frequently asked questions

Who has been buying Sebang stock?: 2 distinct insiders have filed 2 disclosed insider purchases in Sebang (004360), most recently on 2025-07-18. 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 Sebang have?: Sebang has 2 buy-side and 1 sell-side disclosures on record, covering ₩9M ($6K) in total reported value, spanning 2024-01-01 to 2025-07-18.
Where does StockDrifts get Sebang 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 Sebang. For how StockDrifts scores these disclosures, see the Korea insider signal tier research, or browse every Korean stock we track.