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Brains Company 099390

Company
브레인즈컴퍼니Brains Company
Insiders
1
Buys
3
Total Value
₩148M ($103K)
Avg Return
-1.78%
Last Filing
2026-05-19

Brains Company (099390) has 3 disclosed insider purchases and 0 disclosed disposals on record, filed by 1 distinct insiders. Together those filings cover ₩148M ($103K) in reported transaction value. The earliest filing StockDrifts holds for Brains Company is dated 2024-02-29; the most recent is 2026-05-19. Across these filings the average return since disclosure is -1.78%, measured from each filing date to the latest available close.

Price & insider activity (12 months)

Recent insider trades

DateTypeSourceInsiderPositionSharesPrice at filingReturnValue
2026-05-19BUYMarket Buy
강선근
Kang Seon-geun
CEO24.6K₩4,205-1.8%₩104M ($72K)
2026-05-18BUYMarket Buy
강선근
Kang Seon-geun
CEO5.9K₩4,190-1.4%₩25M ($17K)
2026-05-15BUYMarket Buy
강선근
Kang Seon-geun
CEO4.7K₩4,220-2.1%₩20M ($14K)
2026-03-31SELL임원퇴임
김자환
Kim Ja-hwan
Managing Director-50.0K₩4,350-6.2%₩218M ($151K)
2024-06-19SELL증여
김자환
Kim Ja-hwan
Managing Director-70.0K₩6,820+30.4%₩477M ($332K)
2024-02-29SELL임원퇴임
김성준
Seongjun Kim
moving-64.2K₩7,720+38.5%₩496M ($344K)

Frequently asked questions

Who has been buying Brains Company stock?
1 distinct insiders have filed 3 disclosed insider purchases in Brains Company (099390), most recently on 2026-05-19. 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 Brains Company have?
Brains Company has 3 buy-side and 0 sell-side disclosures on record, covering ₩148M ($103K) in total reported value, spanning 2024-02-29 to 2026-05-19.
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.