Who has been buying Binex stock?

5 distinct insiders have filed 32 disclosed insider purchases in Binex (053030), most recently on 2026-05-20. 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 Binex have?

Binex has 32 buy-side and 31 sell-side disclosures on record, covering ₩383M ($266K) in total reported value, spanning 2024-06-05 to 2026-05-20.

Where does StockDrifts get Binex 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.

Binex 053030

Company

바이넥스Binex

Insiders

Buys

Total Value

₩383M ($266K)

Avg Return

+0.52%

Last Filing

2026-05-20

Binex (053030) has 32 disclosed insider purchases and 31 disclosed disposals on record, filed by 5 distinct insiders. Together those filings cover ₩383M ($266K) in reported transaction value. The earliest filing StockDrifts holds for Binex is dated 2024-06-05; the most recent is 2026-05-20. 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 +0.52%, 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
2026-05-20	SELL	Market Sell	서봉수 Seo Bong-su	Managing Director	-123	-	-	-
2026-05-20	BUY	Market Buy	서봉수 Seo Bong-su	Managing Director	349	-	-	-
2026-05-20	BUY	Market Buy	서봉수 Seo Bong-su	Managing Director	229	-	-	-
2026-05-20	BUY	Market Buy	서봉수 Seo Bong-su	Managing Director	342	-	-	-
2026-05-20	SELL	Market Sell	서봉수 Seo Bong-su	Managing Director	-30	-	-	-
2026-05-20	SELL	Market Sell	서봉수 Seo Bong-su	Managing Director	-561	-	-	-
2026-05-20	SELL	Market Sell	서봉수 Seo Bong-su	Managing Director	-1.3K	-	-	-
2026-05-20	SELL	Market Sell	서봉수 Seo Bong-su	Managing Director	-1.7K	-	-	-
2026-05-20	SELL	Market Sell	서봉수 Seo Bong-su	Managing Director	-400	-	-	-
2026-05-20	SELL	Market Sell	서봉수 Seo Bong-su	Managing Director	-200	-	-	-
2026-05-20	SELL	Market Sell	서봉수 Seo Bong-su	Managing Director	-161	-	-	-
2026-05-20	SELL	Market Sell	서봉수 Seo Bong-su	Managing Director	-43	-	-	-
2026-05-20	SELL	Market Sell	서봉수 Seo Bong-su	Managing Director	-100	-	-	-
2026-05-20	SELL	Market Sell	서봉수 Seo Bong-su	Managing Director	-20	-	-	-
2026-05-20	SELL	Market Sell	서봉수 Seo Bong-su	Managing Director	-167	-	-	-
2026-05-20	SELL	Market Sell	서봉수 Seo Bong-su	Managing Director	-89	-	-	-
2026-05-20	SELL	Market Sell	서봉수 Seo Bong-su	Managing Director	-9	-	-	-
2026-05-20	SELL	Market Sell	서봉수 Seo Bong-su	Managing Director	-2.2K	-	-	-
2026-05-20	SELL	Market Sell	서봉수 Seo Bong-su	Managing Director	-70	-	-	-
2026-05-20	SELL	Market Sell	서봉수 Seo Bong-su	Managing Director	-269	-	-	-
2026-05-20	SELL	Market Sell	서봉수 Seo Bong-su	Managing Director	-300	-	-	-
2026-05-20	SELL	Market Sell	서봉수 Seo Bong-su	Managing Director	-1.1K	-	-	-
2026-05-20	SELL	Market Sell	서봉수 Seo Bong-su	Managing Director	-45	-	-	-
2026-05-20	SELL	Market Sell	서봉수 Seo Bong-su	Managing Director	-415	-	-	-
2026-05-20	SELL	Market Sell	서봉수 Seo Bong-su	Managing Director	-570	-	-	-
2026-05-20	SELL	Market Sell	서봉수 Seo Bong-su	Managing Director	-378	-	-	-
2026-05-20	SELL	Market Sell	서봉수 Seo Bong-su	Managing Director	-145	-	-	-
2026-05-20	SELL	Market Sell	서봉수 Seo Bong-su	Managing Director	-188	-	-	-
2026-05-20	SELL	Market Sell	서봉수 Seo Bong-su	Managing Director	-1.0K	-	-	-
2026-05-20	SELL	Market Sell	서봉수 Seo Bong-su	Managing Director	-26	-	-	-
2026-05-20	BUY	Market Buy	서봉수 Seo Bong-su	Managing Director	597	-	-	-
2026-05-20	BUY	Market Buy	서봉수 Seo Bong-su	Managing Director	12.5K	-	-	-
2026-05-20	BUY	Market Buy	서봉수 Seo Bong-su	Managing Director	180	-	-	-
2026-05-20	BUY	Market Buy	서봉수 Seo Bong-su	Managing Director	61	-	-	-
2026-05-20	BUY	Market Buy	서봉수 Seo Bong-su	Managing Director	482	-	-	-
2026-05-20	BUY	Market Buy	서봉수 Seo Bong-su	Managing Director	199	-	-	-
2026-03-25	BUY	Market Buy	서봉수 Seo Bong-su	Managing Director	845	₩12,000	-1.2%	₩10M ($7K)
2026-03-25	BUY	Market Buy	서봉수 Seo Bong-su	Managing Director	38	₩12,000	-1.2%	₩456K ($317)
2026-03-25	BUY	Market Buy	서봉수 Seo Bong-su	Managing Director	117	₩12,000	-1.2%	₩1M ($975)
2026-01-01	BUY	신규선임	황일구 Hwang Il-gu	Managing Director	730	₩15,500	-3.3%	₩11M ($8K)
2025-08-25	BUY	Market Buy	박성재 Seongjae Park	Managing Director	3.9K	₩15,680	-4.4%	₩61M ($42K)
2025-04-04	BUY	Market Buy	서봉수 Seo Bong-su	Managing Director	5	₩14,250	+5.2%	₩71K ($49)
2025-04-04	BUY	Market Buy	서봉수 Seo Bong-su	Managing Director	337	₩14,250	+5.2%	₩5M ($3K)
2025-04-04	BUY	Market Buy	서봉수 Seo Bong-su	Managing Director	663	₩14,250	+5.2%	₩9M ($7K)
2025-04-04	BUY	Market Buy	서봉수 Seo Bong-su	Managing Director	35	₩14,250	+5.2%	₩499K ($346)
2025-04-04	BUY	Market Buy	서봉수 Seo Bong-su	Managing Director	995	₩14,250	+5.2%	₩14M ($10K)
2025-04-04	BUY	Market Buy	서봉수 Seo Bong-su	Managing Director	345	₩14,250	+5.2%	₩5M ($3K)
2025-04-04	BUY	Market Buy	서봉수 Seo Bong-su	Managing Director	1.6K	₩14,250	+5.2%	₩22M ($16K)
2025-02-24	BUY	Market Buy	서봉수 Seo Bong-su	Managing Director	989	₩17,580	-14.7%	₩17M ($12K)
2025-02-24	BUY	Market Buy	서봉수 Seo Bong-su	Managing Director	61	₩17,580	-14.7%	₩1M ($745)

Showing the 50 most recent of 65 filings.

Frequently asked questions

Who has been buying Binex stock?: 5 distinct insiders have filed 32 disclosed insider purchases in Binex (053030), most recently on 2026-05-20. 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 Binex have?: Binex has 32 buy-side and 31 sell-side disclosures on record, covering ₩383M ($266K) in total reported value, spanning 2024-06-05 to 2026-05-20.
Where does StockDrifts get Binex 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 Binex. For how StockDrifts scores these disclosures, see the Korea insider signal tier research, or browse every Korean stock we track.