| Date | Type | Source | Insider | Position | Shares | Price at filing | Return | Value |
|---|---|---|---|---|---|---|---|---|
| 2026-05-22 | BUY | Market Buy | 김민석 Minseok Kim | CEO | 20.0K | ₩13,530 | -7.6% | ₩271M ($188K) |
| 2026-05-21 | BUY | Market Buy | 김민석 Minseok Kim | CEO | 32.8K | ₩12,910 | -3.2% | ₩423M ($294K) |
| 2026-05-20 | BUY | Market Buy | 김민석 Minseok Kim | CEO | 30.0K | ₩12,340 | +1.3% | ₩370M ($257K) |
| 2025-11-18 | BUY | PROGRAM | 손동우 Dongwoo Son | Internal director | 279.7K | ₩41,550 | -47.0% | ₩11.6B ($8.1M) |
| 2025-11-18 | BUY | PROGRAM | 권빛나 Bitna Kwon | Internal director | 31.7K | ₩41,550 | -47.0% | ₩1.3B ($915K) |
| 2025-11-18 | BUY | PROGRAM | 김민석 Minseok Kim | CEO | 2.3M | ₩41,550 | -47.0% | ₩94.6B ($65.7M) |
| 2025-11-18 | BUY | PROGRAM | 주혜민 Hyemin Joo | Internal director | 25.6K | ₩41,550 | -47.0% | ₩1.1B ($738K) |
| 2025-11-18 | BUY | PROGRAM | 최정호 Jeongho Choi | Internal director | 36.6K | ₩41,550 | -47.0% | ₩1.5B ($1.1M) |
| 2025-11-18 | BUY | PROGRAM | 삼성출판사 Samsung Publishing Company | - | 2.1M | ₩41,550 | -47.0% | ₩86.1B ($59.8M) |