SOUTH KOREA · OPENDART
Day1 Company Inc.
데이원컴퍼니 · 373160 · KOSDAQ · Consumer Defensive · Education & Training Services
Score
Not ranked: no net buying on the exchange by an individual insider in the last 180 days.
Insiders' buying price vs the latest close
Insiders paid 4,796.53 KRW a share on average (6 purchase lines, 2 buyers, 2025-11-03 – 2026-01-23). The close on 2026-10-16 was 36.9% below that price.
The latest purchase (2026-01-23) was at 4,494.00 KRW; the close was 32.7% below that price.
Prices paid are weighted by shares and taken from the filings; dividends are not counted. Not scored.
Insider trades on the exchange
Purchases and sales on the exchange in the last 12 months. The filing gives the settlement date; the trade date is two trading days earlier.
| Trade date | Insider | Role | Trade | Shares | Price | Value | Filing |
|---|---|---|---|---|---|---|---|
| 2026-01-23 | Kangmin Lee | CEO | Bought on the exchange | 1,000 | ₩4,494 | ₩4.5M | DART ↗ |
| 2026-01-08 | Haedong Shin | Executive | Bought on the exchange | 98 | ₩4,700 | ₩460,600 | DART ↗ |
| 2026-01-07 | Haedong Shin | Executive | Bought on the exchange | 1,110 | ₩4,849 | ₩5.4M | DART ↗ |
| 2026-01-05 | Kangmin Lee | CEO | Bought on the exchange | 293 | ₩4,990 | ₩1.5M | DART ↗ |
| 2025-12-03 | Kangmin Lee | CEO | Bought on the exchange | 175 | ₩5,690 | ₩995,750 | DART ↗ |
| 2025-11-03 | Kangmin Lee | CEO | Bought on the exchange | 200 | ₩5,000 | ₩1.0M | DART ↗ |
Other changes in holdings · 19
Option exercises, grants, new shares, inheritance, gifts, off-exchange trades and trades by companies and funds. Not counted in the score.
| Date | Insider | Role | Reason | Shares | Filing |
|---|---|---|---|---|---|
| 2025-10-15 | Jihoon Kim | Executive | Stock options(+) | 5,439 | DART ↗ |
| 2025-10-15 | Haedong Shin | Executive | Stock options(+) | 30,000 | DART ↗ |
| 2025-03-31 | HSU SHIEN YU | Executive | Executive retirement(-) | 75,000 | DART ↗ |
| 2025-03-26 | Seungkun Shim | CTO | Stock options(+) | 3,750 | DART ↗ |
| 2025-03-26 | HSU SHIEN YU | Executive | Stock options(+) | 35,000 | DART ↗ |
| 2025-03-26 | Jihoon Kim | Executive | Stock options(+) | 20,000 | DART ↗ |
| 2025-03-26 | Donghyeok Kim | Executive | Stock options(+) | 22,000 | DART ↗ |
| 2025-03-26 | Haedong Shin | Executive | Stock options(+) | 12,000 | DART ↗ |
| 2025-03-26 | Kyungmin Lee | Director | Stock options(+) | 1,034 | DART ↗ |
| 2025-01-24 | FASTFIVE Co., Ltd. | 10% shareholder | 신규상장(+) | 2,351,237 | DART ↗ |
| 2025-01-24 | HSU SHIEN YU | Executive | 신규상장(+) | 40,000 | DART ↗ |
| 2025-01-24 | Donghyeok Kim | Executive | 신규상장(+) | 22,000 | DART ↗ |
| 2025-01-24 | Seungkun Shim | CTO | 신규상장(+) | 11,250 | DART ↗ |
| 2025-01-24 | Wonderholdings Co., Ltd. | 10% shareholder | 신규상장(+) | 1,479,000 | DART ↗ |
| 2025-01-24 | Jihoon Kim | Executive | 신규상장(+) | 47,000 | DART ↗ |
| 2025-01-24 | Haedong Shin | Inside director | 신규상장(+) | 42,000 | DART ↗ |
| 2025-01-24 | Kyungmin Lee | Inside director | 신규상장(+) | 58,966 | DART ↗ |
| 2025-01-24 | Kangmin Lee | CEO | 신규상장(+) | 396,439 | DART ↗ |
| 2025-01-24 | Jiwoong Park | Director | 신규상장(+) | 324,000 | DART ↗ |