Who has been buying Voronoi stock?

4 distinct insiders have filed 0 disclosed insider purchases in Voronoi (310210), most recently on 2026-07-06. 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 Voronoi have?

Voronoi has 0 buy-side and 31 sell-side disclosures on record, covering ₩7.4B ($5.1M) in total reported value, spanning 2024-03-07 to 2026-07-06.

Do insider buys in Korean stocks predict returns?

Not uniformly. StockDrifts analysed 170,720 share-count changes across 56,930 Korean regulatory filings using cross-sectional alpha at fixed forward horizons, and found returns concentrated in particular signal tiers rather than in insider buying generally.

Voronoi 310210

Company

보로노이Voronoi

Insiders

Buys

Total Value

₩7.4B ($5.1M)

Avg Return

-180.01%

Last Filing

2026-07-06

Voronoi (310210) has 0 disclosed insider purchases and 31 disclosed disposals on record, filed by 4 distinct insiders. Together those filings cover ₩7.4B ($5.1M) in reported transaction value. The earliest filing StockDrifts holds for Voronoi is dated 2024-03-07; the most recent is 2026-07-06.

Price & insider activity (12 months)

Recent insider trades

Date	Type	Source	Insider	Position	Shares	Price at filing	Return	Value
2026-07-06	SELL	Market Sell	이상진 Sangjin Lee	moving	-731	₩171,000	+1.2%	₩125M ($87K)
2026-07-06	SELL	Market Sell	우상진 Sangjin Woo	COO	-1.5K	₩171,000	+1.2%	₩257M ($178K)
2026-07-06	SELL	Market Sell	김성환 Seonghwan Kim	moving	-850	₩171,000	+1.2%	₩145M ($101K)
2026-07-03	SELL	Market Sell	김성환 Seonghwan Kim	moving	-1.3K	₩178,900	+0.0%	₩233M ($162K)
2026-07-03	SELL	Market Sell	김대권 Daekwon Kim	Research Division	-350	₩178,900	+0.0%	₩63M ($43K)
2026-07-03	SELL	Market Sell	이상진 Sangjin Lee	moving	-644	₩178,900	+0.0%	₩115M ($80K)
2026-07-02	SELL	Market Sell	김성환 Seonghwan Kim	moving	-750	₩180,000	+0.6%	₩135M ($94K)
2026-07-02	SELL	Market Sell	이상진 Sangjin Lee	moving	-200	₩180,000	+0.6%	₩36M ($25K)
2026-07-01	SELL	Market Sell	이상진 Sangjin Lee	moving	-1.4K	₩189,600	+5.6%	₩270M ($188K)
2026-07-01	SELL	Market Sell	김대권 Daekwon Kim	Research Division	-3.7K	₩189,600	+5.6%	₩702M ($487K)
2026-07-01	SELL	Market Sell	우상진 Sangjin Woo	COO	-500	₩189,600	+5.6%	₩95M ($66K)
2026-07-01	SELL	Market Sell	김성환 Seonghwan Kim	moving	-1.1K	₩189,600	+5.6%	₩209M ($145K)
2026-06-01	BUY	주식매수선택권	김성환 Seonghwan Kim	moving	4.0K	₩250,000	-21.0%	₩1.0B ($694K)
2026-06-01	BUY	주식매수선택권	이상진 Sangjin Lee	moving	3.0K	₩250,000	-21.0%	₩750M ($521K)
2026-04-10	SELL	증여	우상진 Sangjin Woo	COO	-2.0K	₩287,000	-11.2%	₩574M ($399K)
2026-04-10	SELL	증여	김대권 Daekwon Kim	Research Division	-2.0K	₩287,000	-11.2%	₩574M ($399K)
2025-11-10	SELL	Market Sell	우상진 Sangjin Woo	COO	-1.1K	₩203,500	-38.1%	₩224M ($155K)
2025-11-07	SELL	Market Sell	김대권 Daekwon Kim	Research Division	-300	₩203,500	-38.1%	₩61M ($42K)
2025-11-06	SELL	Market Sell	김대권 Daekwon Kim	Research Division	-1.4K	₩202,500	-38.8%	₩291M ($202K)
2025-11-06	SELL	Market Sell	우상진 Sangjin Woo	COO	-1.1K	₩202,500	-38.8%	₩223M ($155K)
2025-11-05	SELL	Market Sell	우상진 Sangjin Woo	COO	-1.7K	₩207,500	-35.4%	₩353M ($245K)
2025-11-05	SELL	Market Sell	김대권 Daekwon Kim	Research Division	-2.2K	₩207,500	-35.4%	₩449M ($312K)
2024-09-26	SELL	Market Sell	우상진 Sangjin Woo	COO	-4.7K	₩97,500	-188.2%	₩458M ($318K)
2024-09-25	BUY	주식매수선택권	김대권 Daekwon Kim	Research Division	85.0K	₩89,100	+215.4%	₩7.6B ($5.3M)
2024-09-25	SELL	Market Sell	우상진 Sangjin Woo	COO	-2.0K	₩89,100	-215.4%	₩178M ($124K)
2024-09-25	BUY	주식매수선택권	우상진 Sangjin Woo	COO	91.0K	₩89,100	+215.4%	₩8.1B ($5.6M)
2024-09-24	SELL	Market Sell	우상진 Sangjin Woo	COO	-2.5K	₩92,500	-203.8%	₩236M ($164K)
2024-09-23	SELL	Market Sell	김대권 Daekwon Kim	Research Division	-10.9K	₩96,800	-190.3%	₩1.1B ($734K)
2024-09-23	SELL	Market Sell	우상진 Sangjin Woo	COO	-4.5K	₩96,800	-190.3%	₩431M ($299K)
2024-03-13	SELL	Market Sell	김대권 Daekwon Kim	Research Division	-200	₩39,700	-607.8%	₩8M ($6K)
2024-03-12	SELL	Market Sell	김대권 Daekwon Kim	Research Division	-1.2K	₩42,200	-565.9%	₩51M ($36K)
2024-03-12	BUY	주식매수선택권	우상진 Sangjin Woo	COO	10.0K	₩42,200	+565.9%	₩422M ($293K)
2024-03-12	BUY	주식매수선택권	김대권 Daekwon Kim	Research Division	20.0K	₩42,200	+565.9%	₩844M ($586K)
2024-03-11	SELL	Market Sell	우상진 Sangjin Woo	COO	-3.1K	₩43,100	-552.0%	₩134M ($93K)
2024-03-11	SELL	Market Sell	김대권 Daekwon Kim	Research Division	-3.9K	₩43,100	-552.0%	₩168M ($117K)
2024-03-08	SELL	Market Sell	우상진 Sangjin Woo	COO	-2.8K	₩44,250	-535.0%	₩124M ($86K)
2024-03-08	SELL	Market Sell	김대권 Daekwon Kim	Research Division	-9.2K	₩44,250	-535.0%	₩408M ($283K)
2024-03-07	SELL	Market Sell	김대권 Daekwon Kim	Research Division	-2.3K	₩45,050	-523.8%	₩104M ($72K)
2024-03-07	SELL	Market Sell	우상진 Sangjin Woo	COO	-400	₩45,050	-523.8%	₩18M ($13K)

Frequently asked questions

Who has been buying Voronoi stock?: 4 distinct insiders have filed 0 disclosed insider purchases in Voronoi (310210), most recently on 2026-07-06. 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 Voronoi have?: Voronoi has 0 buy-side and 31 sell-side disclosures on record, covering ₩7.4B ($5.1M) in total reported value, spanning 2024-03-07 to 2026-07-06.
Do insider buys in Korean stocks predict returns?: Not uniformly. StockDrifts analysed 170,720 share-count changes across 56,930 Korean regulatory filings using cross-sectional alpha at fixed forward horizons, and found returns concentrated in particular signal tiers rather than in insider buying generally.

More on this data

Every trade listed above comes from an official regulatory disclosure. For how StockDrifts scores these disclosures, see the Korea insider signal tier research, or browse every Korean stock we track.