Who has been buying Douzone Bizon stock?

4 distinct insiders have filed 101 disclosed insider purchases in Douzone Bizon (012510), most recently on 2026-06-30. 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 Douzone Bizon have?

Douzone Bizon has 101 buy-side and 106 sell-side disclosures on record, covering ₩252.7B ($175.5M) in total reported value, spanning 2021-05-20 to 2026-06-30.

Where does StockDrifts get Douzone Bizon 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.

Douzone Bizon 012510

Company

더존비즈온Douzone Bizon

Insiders

Buys

101

Total Value

₩252.7B ($175.5M)

Avg Return

+1.40%

Last Filing

2026-06-30

Douzone Bizon (012510) has 101 disclosed insider purchases and 106 disclosed disposals on record, filed by 4 distinct insiders. Together those filings cover ₩252.7B ($175.5M) in reported transaction value. The earliest filing StockDrifts holds for Douzone Bizon is dated 2021-05-20; the most recent is 2026-06-30. 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 +1.40%, 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
2026-06-30	BUY	교환	도로니쿰 Doronicum	-	1.8M	-	-	-
2026-04-24	BUY	기타	도로니쿰 Doronicum	-	1.1M	₩119,000	+0.8%	₩128.9B ($89.5M)
2026-04-24	SELL	전환등	도로니쿰 Doronicum	-	-1.1M	₩119,000	-0.8%	₩128.9B ($89.5M)
2026-04-24	BUY	공개매수	도로니쿰 Doronicum	-	1.2M	₩119,000	+0.8%	₩144.4B ($100.3M)
2026-04-24	BUY	공개매수	도로니쿰 Doronicum	-	1.2M	₩119,000	+0.8%	₩144.4B ($100.3M)
2026-03-26	BUY	공개매수	도로니쿰 Doronicum	-	15.2M	₩118,700	+0.5%	₩1.8T ($1.3B)
2026-03-26	BUY	장외매수	도로니쿰 Doronicum	-	1.1M	₩118,700	+0.5%	₩128.6B ($89.3M)
2026-03-26	BUY	장외매수	도로니쿰 Doronicum	-	9.9M	₩118,700	+0.5%	₩1.2T ($814.6M)
2026-03-26	SELL	장외매도	김용우 Yongwoo Kim	CEO	-6.8M	₩118,700	-0.5%	₩803.7B ($558.2M)
2026-03-26	SELL	장외매도	신한밸류업제일차 Shinhan Value Up 1st	-	-3.1M	₩118,700	-0.5%	₩369.2B ($256.4M)
2026-02-26	SELL	Market Sell	지용구 Ji Yong-gu	president	-10.0K	₩118,500	-0.7%	₩1.2B ($824K)
2026-02-25	SELL	Market Sell	윤성태 Seongtae Yoon	vice president	-14.8K	₩119,100	-0.2%	₩1.8B ($1.2M)
2026-02-25	SELL	Market Sell	이강수 Kangsu Lee	vice president	-44.0K	₩119,100	-0.2%	₩5.2B ($3.6M)
2026-01-31	SELL	임원퇴임	옥현만 Ok Hyun-man	vice president	-10.0K	₩91,500	-30.4%	₩915M ($635K)
2025-09-29	BUY	Market Buy	국민연금공단 National Pension Service	-	3.1K	₩89,900	+32.7%	₩279M ($194K)
2025-09-29	SELL	Market Sell	국민연금공단 National Pension Service	-	-81.1K	₩89,900	-32.7%	₩7.3B ($5.1M)
2025-09-26	SELL	Market Sell	국민연금공단 National Pension Service	-	-7.8K	₩90,500	-31.8%	₩703M ($488K)
2025-09-25	SELL	Market Sell	국민연금공단 National Pension Service	-	-21.3K	₩90,600	-31.7%	₩1.9B ($1.3M)
2025-09-25	BUY	Market Buy	국민연금공단 National Pension Service	-	1.7K	₩90,600	+31.7%	₩154M ($107K)
2025-09-24	SELL	Market Sell	국민연금공단 National Pension Service	-	-42.5K	₩92,000	-29.7%	₩3.9B ($2.7M)
2025-09-23	BUY	Market Buy	국민연금공단 National Pension Service	-	20.0K	₩91,100	+30.9%	₩1.8B ($1.3M)
2025-09-23	SELL	Market Sell	국민연금공단 National Pension Service	-	-88.8K	₩91,100	-30.9%	₩8.1B ($5.6M)
2025-09-22	SELL	Market Sell	국민연금공단 National Pension Service	-	-5.4K	₩88,500	-34.8%	₩477M ($331K)
2025-09-19	SELL	Market Sell	국민연금공단 National Pension Service	-	-10.7K	₩90,000	-32.6%	₩960M ($667K)
2025-09-18	SELL	Market Sell	국민연금공단 National Pension Service	-	-12.5K	₩86,400	-38.1%	₩1.1B ($749K)
2025-09-18	BUY	Market Buy	국민연금공단 National Pension Service	-	6.2K	₩86,400	+38.1%	₩539M ($374K)
2025-09-17	SELL	Market Sell	국민연금공단 National Pension Service	-	-16.0K	₩86,000	-38.7%	₩1.4B ($957K)
2025-09-17	BUY	Market Buy	국민연금공단 National Pension Service	-	5.2K	₩86,000	+38.7%	₩448M ($311K)
2025-09-16	BUY	Market Buy	국민연금공단 National Pension Service	-	5.1K	₩87,700	+36.0%	₩445M ($309K)
2025-09-16	SELL	Market Sell	국민연금공단 National Pension Service	-	-2.1K	₩87,700	-36.0%	₩182M ($126K)
2025-09-15	BUY	Market Buy	국민연금공단 National Pension Service	-	12.1K	₩80,400	+48.4%	₩974M ($677K)
2025-09-15	SELL	Market Sell	국민연금공단 National Pension Service	-	-23.2K	₩80,400	-48.4%	₩1.9B ($1.3M)
2025-09-12	BUY	Market Buy	국민연금공단 National Pension Service	-	11.4K	₩81,300	+46.7%	₩925M ($642K)
2025-09-12	SELL	Market Sell	국민연금공단 National Pension Service	-	-32.8K	₩81,300	-46.7%	₩2.7B ($1.9M)
2025-09-11	BUY	Market Buy	국민연금공단 National Pension Service	-	15.4K	₩80,700	+47.8%	₩1.2B ($865K)
2025-09-11	SELL	Market Sell	국민연금공단 National Pension Service	-	-7.3K	₩80,700	-47.8%	₩589M ($409K)
2025-09-10	BUY	Market Buy	국민연금공단 National Pension Service	-	11.6K	₩80,600	+48.0%	₩935M ($649K)
2025-09-10	SELL	Market Sell	국민연금공단 National Pension Service	-	-4.3K	₩80,600	-48.0%	₩344M ($239K)
2025-09-09	SELL	Market Sell	국민연금공단 National Pension Service	-	-5.0K	₩82,100	-45.3%	₩411M ($285K)
2025-09-09	BUY	Market Buy	국민연금공단 National Pension Service	-	10.5K	₩82,100	+45.3%	₩865M ($601K)
2025-09-08	BUY	Market Buy	국민연금공단 National Pension Service	-	1.3K	₩85,100	+40.2%	₩113M ($78K)
2025-09-08	SELL	Market Sell	국민연금공단 National Pension Service	-	-8.2K	₩85,100	-40.2%	₩701M ($487K)
2025-09-05	SELL	Market Sell	국민연금공단 National Pension Service	-	-41.8K	₩84,100	-41.9%	₩3.5B ($2.4M)
2025-09-04	SELL	Market Sell	국민연금공단 National Pension Service	-	-22.2K	₩83,500	-42.9%	₩1.8B ($1.3M)
2025-09-03	BUY	Market Buy	국민연금공단 National Pension Service	-	857	₩80,000	+49.1%	₩69M ($48K)
2025-09-03	SELL	Market Sell	국민연금공단 National Pension Service	-	-16.6K	₩80,000	-49.1%	₩1.3B ($923K)
2025-09-02	SELL	Market Sell	국민연금공단 National Pension Service	-	-802	₩77,100	-54.7%	₩62M ($43K)
2025-09-02	BUY	Market Buy	국민연금공단 National Pension Service	-	7.6K	₩77,100	+54.7%	₩584M ($405K)
2025-09-01	BUY	Market Buy	국민연금공단 National Pension Service	-	13.4K	₩78,200	+52.6%	₩1.0B ($727K)
2025-09-01	SELL	Market Sell	국민연금공단 National Pension Service	-	-16.9K	₩78,200	-52.6%	₩1.3B ($915K)

Showing the 50 most recent of 200 filings.

Frequently asked questions

Who has been buying Douzone Bizon stock?: 4 distinct insiders have filed 101 disclosed insider purchases in Douzone Bizon (012510), most recently on 2026-06-30. 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 Douzone Bizon have?: Douzone Bizon has 101 buy-side and 106 sell-side disclosures on record, covering ₩252.7B ($175.5M) in total reported value, spanning 2021-05-20 to 2026-06-30.
Where does StockDrifts get Douzone Bizon 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 Douzone Bizon. For how StockDrifts scores these disclosures, see the Korea insider signal tier research, or browse every Korean stock we track.