Who has been buying viol stock?

3 distinct insiders have filed 71 disclosed insider purchases in viol (335890), most recently on 2025-12-11. 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 viol have?

viol has 71 buy-side and 6 sell-side disclosures on record, covering ₩111.7B ($77.5M) in total reported value, spanning 2025-07-01 to 2025-12-11.

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.

viol 335890

Company

비올viol

Insiders

Buys

Total Value

₩111.7B ($77.5M)

Avg Return

-0.99%

Last Filing

2025-12-11

viol (335890) has 71 disclosed insider purchases and 6 disclosed disposals on record, filed by 3 distinct insiders. Together those filings cover ₩111.7B ($77.5M) in reported transaction value. The earliest filing StockDrifts holds for viol is dated 2025-07-01; the most recent is 2025-12-11. Across these filings the average return since disclosure is -0.99%, 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
2025-12-11	BUY	Market Buy	비엔나투자목적회사 Vienna Investment Purpose Company	-	84.2K	-	-	-
2025-12-10	BUY	Market Buy	비엔나투자목적회사 Vienna Investment Purpose Company	-	76.8K	-	-	-
2025-12-09	BUY	Market Buy	비엔나투자목적회사 Vienna Investment Purpose Company	-	91.3K	₩12,500	+0.0%	₩1.1B ($792K)
2025-12-08	BUY	Market Buy	비엔나투자목적회사 Vienna Investment Purpose Company	-	75.6K	₩12,500	+0.0%	₩945M ($656K)
2025-12-05	BUY	Market Buy	비엔나투자목적회사 Vienna Investment Purpose Company	-	61.7K	₩12,500	+0.0%	₩771M ($535K)
2025-12-04	BUY	Market Buy	비엔나투자목적회사 Vienna Investment Purpose Company	-	25.2K	₩12,500	+0.0%	₩315M ($219K)
2025-12-03	BUY	Market Buy	비엔나투자목적회사 Vienna Investment Purpose Company	-	90.9K	₩12,500	+0.0%	₩1.1B ($789K)
2025-11-10	BUY	Market Buy	비엔나투자목적회사 Vienna Investment Purpose Company	-	67.1K	₩12,500	+0.0%	₩839M ($583K)
2025-11-07	BUY	Market Buy	비엔나투자목적회사 Vienna Investment Purpose Company	-	60.2K	₩12,500	+0.0%	₩752M ($522K)
2025-11-06	BUY	Market Buy	비엔나투자목적회사 Vienna Investment Purpose Company	-	4.5K	₩12,500	+0.0%	₩56M ($39K)
2025-11-05	BUY	Market Buy	비엔나투자목적회사 Vienna Investment Purpose Company	-	685	₩12,500	+0.0%	₩9M ($6K)
2025-11-04	BUY	Market Buy	비엔나투자목적회사 Vienna Investment Purpose Company	-	7.0K	₩12,540	-0.3%	₩88M ($61K)
2025-11-03	BUY	Market Buy	비엔나투자목적회사 Vienna Investment Purpose Company	-	2.9K	₩12,510	-0.1%	₩36M ($25K)
2025-10-29	BUY	Market Buy	비엔나투자목적회사 Vienna Investment Purpose Company	-	25.1K	₩12,610	-0.9%	₩317M ($220K)
2025-10-28	BUY	Market Buy	비엔나투자목적회사 Vienna Investment Purpose Company	-	8.4K	₩12,640	-1.1%	₩106M ($73K)
2025-10-27	BUY	Market Buy	비엔나투자목적회사 Vienna Investment Purpose Company	-	47.0K	₩12,530	-0.2%	₩589M ($409K)
2025-10-24	BUY	Market Buy	비엔나투자목적회사 Vienna Investment Purpose Company	-	18.0K	₩12,500	+0.0%	₩225M ($156K)
2025-10-23	BUY	Market Buy	비엔나투자목적회사 Vienna Investment Purpose Company	-	50.1K	₩12,500	+0.0%	₩626M ($435K)
2025-10-21	BUY	Market Buy	비엔나투자목적회사 Vienna Investment Purpose Company	-	39.1K	₩12,500	+0.0%	₩489M ($339K)
2025-10-16	BUY	Market Buy	비엔나투자목적회사 Vienna Investment Purpose Company	-	5.7K	₩12,550	-0.4%	₩71M ($50K)
2025-10-14	BUY	Market Buy	비엔나투자목적회사 Vienna Investment Purpose Company	-	50.0K	₩12,520	-0.2%	₩626M ($435K)
2025-09-26	BUY	장외매수	비엔나투자목적회사 Vienna Investment Purpose Company	-	20.3M	₩17,890	-30.1%	₩363.3B ($252.3M)
2025-09-23	BUY	Market Buy	비엔나투자목적회사 Vienna Investment Purpose Company	-	50.0K	₩27,150	-54.0%	₩1.4B ($943K)
2025-09-19	BUY	Market Buy	비엔나투자목적회사 Vienna Investment Purpose Company	-	9.0K	₩16,100	-22.4%	₩145M ($101K)
2025-09-18	BUY	Market Buy	비엔나투자목적회사 Vienna Investment Purpose Company	-	50.0K	₩12,390	+0.9%	₩620M ($430K)
2025-09-17	BUY	Market Buy	비엔나투자목적회사 Vienna Investment Purpose Company	-	93.7K	₩12,380	+1.0%	₩1.2B ($806K)
2025-09-16	BUY	Market Buy	비엔나투자목적회사 Vienna Investment Purpose Company	-	115.8K	₩12,260	+2.0%	₩1.4B ($986K)
2025-09-15	BUY	Market Buy	비엔나투자목적회사 Vienna Investment Purpose Company	-	119.4K	₩12,500	+0.0%	₩1.5B ($1.0M)
2025-09-12	BUY	Market Buy	비엔나투자목적회사 Vienna Investment Purpose Company	-	8.6K	₩12,560	-0.5%	₩109M ($75K)
2025-09-11	BUY	Market Buy	비엔나투자목적회사 Vienna Investment Purpose Company	-	7.3K	₩12,520	-0.2%	₩92M ($64K)
2025-09-10	BUY	Market Buy	비엔나투자목적회사 Vienna Investment Purpose Company	-	26.7K	₩12,510	-0.1%	₩334M ($232K)
2025-09-09	BUY	Market Buy	비엔나투자목적회사 Vienna Investment Purpose Company	-	38.0K	₩12,510	-0.1%	₩475M ($330K)
2025-09-08	BUY	Market Buy	비엔나투자목적회사 Vienna Investment Purpose Company	-	23.6K	₩12,500	+0.0%	₩295M ($205K)
2025-09-05	BUY	Market Buy	비엔나투자목적회사 Vienna Investment Purpose Company	-	6.7K	₩12,500	+0.0%	₩84M ($58K)
2025-09-04	BUY	Market Buy	비엔나투자목적회사 Vienna Investment Purpose Company	-	12.8K	₩12,500	+0.0%	₩159M ($111K)
2025-09-03	BUY	Market Buy	비엔나투자목적회사 Vienna Investment Purpose Company	-	18.3K	₩12,500	+0.0%	₩229M ($159K)
2025-09-02	BUY	Market Buy	비엔나투자목적회사 Vienna Investment Purpose Company	-	32.5K	₩12,500	+0.0%	₩406M ($282K)
2025-09-01	BUY	Market Buy	비엔나투자목적회사 Vienna Investment Purpose Company	-	236.0K	₩12,500	+0.0%	₩3.0B ($2.0M)
2025-08-28	BUY	Market Buy	비엔나투자목적회사 Vienna Investment Purpose Company	-	9.5K	₩12,510	-0.1%	₩119M ($83K)
2025-08-27	BUY	Market Buy	비엔나투자목적회사 Vienna Investment Purpose Company	-	42.5K	₩12,210	+2.4%	₩519M ($360K)
2025-08-26	BUY	Market Buy	비엔나투자목적회사 Vienna Investment Purpose Company	-	20.9K	₩12,180	+2.6%	₩255M ($177K)
2025-08-25	BUY	Market Buy	비엔나투자목적회사 Vienna Investment Purpose Company	-	16.6K	₩12,260	+2.0%	₩203M ($141K)
2025-08-22	BUY	Market Buy	비엔나투자목적회사 Vienna Investment Purpose Company	-	37.2K	₩12,500	+0.0%	₩465M ($323K)
2025-08-21	BUY	Market Buy	비엔나투자목적회사 Vienna Investment Purpose Company	-	47.1K	₩12,500	+0.0%	₩589M ($409K)
2025-08-20	BUY	Market Buy	비엔나투자목적회사 Vienna Investment Purpose Company	-	24.2K	₩12,500	+0.0%	₩303M ($210K)
2025-08-19	BUY	Market Buy	비엔나투자목적회사 Vienna Investment Purpose Company	-	36.1K	₩12,500	+0.0%	₩451M ($314K)
2025-08-18	BUY	Market Buy	비엔나투자목적회사 Vienna Investment Purpose Company	-	18.8K	₩12,510	-0.1%	₩235M ($163K)
2025-08-14	BUY	Market Buy	비엔나투자목적회사 Vienna Investment Purpose Company	-	32.1K	₩12,500	+0.0%	₩401M ($278K)
2025-08-13	BUY	Market Buy	비엔나투자목적회사 Vienna Investment Purpose Company	-	35.0K	₩12,500	+0.0%	₩437M ($304K)
2025-08-12	BUY	Market Buy	비엔나투자목적회사 Vienna Investment Purpose Company	-	90.6K	₩12,500	+0.0%	₩1.1B ($787K)

Showing the 50 most recent of 79 filings.

Frequently asked questions

Who has been buying viol stock?: 3 distinct insiders have filed 71 disclosed insider purchases in viol (335890), most recently on 2025-12-11. 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 viol have?: viol has 71 buy-side and 6 sell-side disclosures on record, covering ₩111.7B ($77.5M) in total reported value, spanning 2025-07-01 to 2025-12-11.
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.