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.
| Date | Type | Source | Insider | Position | Shares | Price at filing | Return | Value |
|---|---|---|---|---|---|---|---|---|
| 2026-05-19 | BUY | Market Buy | 강선근 Kang Seon-geun | CEO | 24.6K | ₩4,205 | -1.8% | ₩104M ($72K) |
| 2026-05-18 | BUY | Market Buy | 강선근 Kang Seon-geun | CEO | 5.9K | ₩4,190 | -1.4% | ₩25M ($17K) |
| 2026-05-15 | BUY | Market Buy | 강선근 Kang Seon-geun | CEO | 4.7K | ₩4,220 | -2.1% | ₩20M ($14K) |
| 2026-03-31 | SELL | 임원퇴임 | 김자환 Kim Ja-hwan | Managing Director | -50.0K | ₩4,350 | -6.2% | ₩218M ($151K) |
| 2024-06-19 | SELL | 증여 | 김자환 Kim Ja-hwan | Managing Director | -70.0K | ₩6,820 | +30.4% | ₩477M ($332K) |
| 2024-02-29 | SELL | 임원퇴임 | 김성준 Seongjun Kim | moving | -64.2K | ₩7,720 | +38.5% | ₩496M ($344K) |
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.