StockDriftsStockDriftsSamsung BioLogics (207940) has 7 disclosed insider purchases and 8 disclosed disposals on record, filed by 11 distinct insiders. Together those filings cover ₩4.2B ($2.9M) in reported transaction value. The earliest filing StockDrifts holds for Samsung BioLogics is dated 2024-04-03; the most recent is 2026-05-13. Across these filings the average return since disclosure is +0.88%, measured from each filing date to the latest available close.
| Date | Type | Source | Insider | Position | Shares | Price at filing | Return | Value |
|---|---|---|---|---|---|---|---|---|
| 2026-07-31 | SELL | Market Sell | 조성환 Seonghwan Cho | Managing Director | -50 | ₩1,485,000 | -4.8% | ₩74M ($51K) |
| 2026-05-13 | BUY | 기타 | 조성환 Seonghwan Cho | Managing Director | 50 | ₩1,410,000 | +0.3% | ₩71M ($49K) |
| 2025-12-29 | SELL | Market Sell | 김동중 Kim Dong-joong | vice president | -210 | ₩1,706,000 | -0.6% | ₩358M ($249K) |
| 2025-12-09 | BUY | Market Buy | 노균 Downy mildew | vice president | 60 | ₩1,660,000 | +3.4% | ₩100M ($69K) |
| 2025-11-28 | SELL | 증여 | 김동중 Kim Dong-joong | vice president | -400 | ₩1,607,000 | -6.8% | ₩643M ($446K) |
| 2025-11-26 | BUY | Market Buy | 진용환 Yonghwan Jin | Managing Director | 27 | ₩1,651,000 | +4.0% | ₩45M ($31K) |
| 2025-11-25 | BUY | 신규선임 | 안소연 Soyeon Ahn | Managing Director | 387 | ₩1,627,000 | +5.5% | ₩630M ($437K) |
| 2025-11-03 | SELL | 회사분할 | 삼성물산 Samsung C&T | - | -10.7M | ₩1,797,000 | +4.5% | ₩19.3T ($13.4B) |
| 2025-11-03 | SELL | 회사분할 | 삼성전자 Samsung Electronics | - | -7.8M | ₩1,797,000 | +4.5% | ₩14.0T ($9.7B) |
| 2025-11-01 | SELL | 회사분할 | 진용환 Yonghwan Jin | Managing Director | -29 | ₩1,797,000 | +4.5% | ₩52M ($36K) |
| 2025-11-01 | SELL | 회사분할 | 윤여완 Yoon Yeo-wan | Managing Director | -19 | ₩1,797,000 | +4.5% | ₩34M ($24K) |
| 2025-11-01 | SELL | 회사분할 | 제임스최 James Choi | vice president | -352 | ₩1,797,000 | +4.5% | ₩633M ($439K) |
| 2025-11-01 | SELL | 회사분할 | 김희정 Heejeong Kim | Managing Director | -1 | ₩1,797,000 | +4.5% | ₩2M ($1K) |
| 2025-11-01 | SELL | 회사분할 | 조영진 Youngjin Cho | Managing Director | -209 | ₩1,797,000 | +4.5% | ₩376M ($261K) |
| 2025-11-01 | SELL | 회사분할 | 윤종규 Jong-gyu Yoon | Managing Director | -12 | ₩1,797,000 | +4.5% | ₩22M ($15K) |
| 2025-11-01 | SELL | 회사분할 | 김기중 Kim Ki-joong | Managing Director | -30 | ₩1,797,000 | +4.5% | ₩54M ($37K) |
| 2025-11-01 | SELL | 회사분할 | 김동중 Kim Dong-joong | vice president | -1.6K | ₩1,797,000 | +4.5% | ₩2.9B ($2.0M) |
| 2025-11-01 | SELL | 회사분할 | 서상원 Seo Sang-won | Managing Director | -264 | ₩1,797,000 | +4.5% | ₩474M ($329K) |
| 2025-11-01 | SELL | 회사분할 | 홍연진 Yeonjin Hong | Managing Director | -11 | ₩1,797,000 | +4.5% | ₩20M ($14K) |
| 2025-11-01 | SELL | 회사분할 | 황인찬 Inchan Hwang | Managing Director | -16 | ₩1,797,000 | +4.5% | ₩29M ($20K) |
| 2025-11-01 | SELL | 회사분할 | 유승호 Seungho Yoo | vice president | -70 | ₩1,797,000 | +4.5% | ₩126M ($87K) |
| 2025-11-01 | SELL | 회사분할 | John Chongbo Rim | CEO | -140 | ₩1,797,000 | +4.5% | ₩252M ($175K) |
| 2025-11-01 | SELL | 회사분할 | 이규호 Gyuho Lee | vice president | -35 | ₩1,797,000 | +4.5% | ₩63M ($44K) |
| 2025-11-01 | SELL | 회사분할 | 이재선 Jaeseon Lee | Managing Director | -95 | ₩1,797,000 | +4.5% | ₩171M ($119K) |
| 2025-09-02 | BUY | Market Buy | 이규호 Gyuho Lee | vice president | 100 | ₩1,467,329 | +17.0% | ₩147M ($102K) |
| 2025-08-29 | BUY | Market Buy | John Chongbo Rim | CEO | 200 | ₩1,473,216 | +16.6% | ₩295M ($205K) |
| 2025-08-29 | BUY | Market Buy | 유승호 Seungho Yoo | vice president | 200 | ₩1,473,216 | +16.6% | ₩295M ($205K) |
| 2025-08-28 | BUY | Market Buy | John Chongbo Rim | CEO | 200 | ₩1,489,405 | +15.3% | ₩298M ($207K) |
| 2025-07-14 | SELL | Market Sell | 박용 Park Yong | Managing Director | -465 | ₩1,533,557 | -12.0% | ₩713M ($495K) |
| 2025-07-04 | BUY | 기타 | 박용 Park Yong | Managing Director | 465 | ₩1,527,670 | +12.4% | ₩710M ($493K) |
| 2025-06-18 | SELL | Market Sell | 조성일 Jo Seong-il | Managing Director | -195 | ₩1,477,631 | -16.2% | ₩288M ($200K) |
| 2025-02-11 | SELL | Market Sell | 심병화 Shim Byeong-hwa | Managing Director | -200 | ₩1,727,828 | +0.6% | ₩346M ($240K) |
| 2024-12-26 | BUY | Market Buy | 윤여완 Yoon Yeo-wan | Managing Director | 40 | ₩1,379,024 | +24.5% | ₩55M ($38K) |
| 2024-12-26 | BUY | 기타 | 심병화 Shim Byeong-hwa | Managing Director | 494 | ₩1,379,024 | +24.5% | ₩681M ($473K) |
| 2024-12-26 | SELL | Market Sell | 심병화 Shim Byeong-hwa | Managing Director | -200 | ₩1,379,024 | -24.5% | ₩276M ($192K) |
| 2024-12-06 | BUY | 신규선임 | 윤여완 Yoon Yeo-wan | Managing Director | 14 | ₩1,415,818 | +21.3% | ₩20M ($14K) |
| 2024-12-04 | BUY | 기타 | 조성일 Jo Seong-il | Managing Director | 195 | ₩1,414,346 | +21.4% | ₩276M ($192K) |
| 2024-11-29 | BUY | 신규선임 | 황인찬 Inchan Hwang | Managing Director | 44 | ₩1,434,950 | +19.7% | ₩63M ($44K) |
| 2024-10-30 | SELL | Market Sell | 박세강 Park Se-gang | Managing Director | -156 | ₩1,517,368 | -13.2% | ₩237M ($164K) |
| 2024-09-26 | SELL | Market Sell | 진용환 Yonghwan Jin | Managing Director | -200 | ₩1,548,275 | -10.9% | ₩310M ($215K) |
| 2024-09-23 | SELL | Market Sell | 진용환 Yonghwan Jin | Managing Director | -292 | ₩1,599,786 | -7.3% | ₩467M ($324K) |
| 2024-07-01 | BUY | 신규선임 | 이재선 Jaeseon Lee | Managing Director | 270 | ₩1,117,054 | +53.7% | ₩302M ($209K) |
| 2024-05-22 | BUY | 기타 | 진용환 Yonghwan Jin | Managing Director | 353 | ₩1,143,545 | +50.1% | ₩404M ($280K) |
| 2024-04-03 | BUY | 기타 | 조영진 Youngjin Cho | Managing Director | 395 | ₩1,195,056 | +43.7% | ₩472M ($328K) |
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.