FST (036810) has 1 disclosed insider purchases and 0 disclosed disposals on record, filed by 1 distinct insiders. Together those filings cover ₩317M ($220K) in reported transaction value. The earliest filing StockDrifts holds for FST is dated 2024-04-05; the most recent is 2026-04-24. Across these filings the average return since disclosure is +74.05%, measured from each filing date to the latest available close.
| Date | Type | Source | Insider | Position | Shares | Price at filing | Return | Value |
|---|---|---|---|---|---|---|---|---|
| 2026-04-24 | BUY | 주식배당 | 장명식 Jang Myung-sik | Chairman | 34.6K | ₩45,850 | -5.8% | ₩1.6B ($1.1M) |
| 2026-04-24 | BUY | 주식배당 | 장경빈 Kyeongbin Jang | CEO | 135 | ₩45,850 | -5.8% | ₩6M ($4K) |
| 2026-03-26 | BUY | 신규선임 | 이응돈 Lee Eung-don | president | 392 | ₩39,550 | +11.4% | ₩16M ($11K) |
| 2025-04-25 | BUY | 주식배당 | 장명식 Jang Myung-sik | Chairman | 34.3K | ₩18,475 | +122.7% | ₩633M ($440K) |
| 2025-04-25 | BUY | 주식배당 | 장경빈 Kyeongbin Jang | CEO | 133 | ₩18,475 | +122.7% | ₩2M ($2K) |
| 2024-04-05 | BUY | Market Buy | 장경빈 Kyeongbin Jang | CEO | 13.4K | ₩23,642 | +74.0% | ₩317M ($220K) |
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.