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HLB Biostep 278650

Company
HLB바이오스텝HLB Biostep
Insiders
8
Buys
25
Total Value
₩6.4B ($4.4M)
Avg Return
+1.41%
Last Filing
2026-06-30

HLB Biostep (278650) has 25 disclosed insider purchases and 16 disclosed disposals on record, filed by 8 distinct insiders. Together those filings cover ₩6.4B ($4.4M) in reported transaction value. The earliest filing StockDrifts holds for HLB Biostep is dated 2024-02-07; the most recent is 2026-06-30. All of it is parsed from DART D001/D002 insider disclosures, the official disclosure system operated by the Financial Supervisory Service (Korea). Across these filings the average return since disclosure is +1.41%, measured from each filing date to the latest available close.

Price & insider activity (12 months)

Recent insider trades

DateTypeSourceInsiderPositionSharesPrice at filingReturnValue
2026-07-14BUYMarket Buy
이형석
Hyungseok Lee
Managing Director5.0K₩1,852+2.0%₩10M ($7K)
2026-06-30BUYMarket Buy
백성진
Baek Seong-jin
CEO4.0K₩2,860+1.2%₩11M ($8K)
2026-06-10BUYMarket Buy
진양곤
Jinyanggon
Internal director25.0K₩2,985+3.5%₩75M ($52K)
2026-06-10BUYMarket Buy
한상옥
Han Sang-ok
moving100₩2,985+3.5%₩299K ($207)
2026-06-08BUYMarket Buy
한상옥
Han Sang-ok
moving72₩2,920+5.8%₩210K ($146)
2026-06-05BUYMarket Buy
한상옥
Han Sang-ok
moving2.0K₩3,150-1.9%₩6M ($4K)
2026-06-04BUYMarket Buy
이형석
Hyungseok Lee
Managing Director3.0K₩3,115-0.8%₩9M ($6K)
2026-05-29BUYMarket Buy
백성진
Baek Seong-jin
CEO5.0K₩3,355-3.6%₩17M ($12K)
2026-05-27BUYMarket Buy
김명진
Myeongjin Kim
moving200₩3,715-1.5%₩743K ($516)
2026-05-27SELLMarket Sell
김명진
Myeongjin Kim
moving-15.5K₩3,715+1.5%₩57M ($40K)
2026-05-26SELLMarket Sell
김명진
Myeongjin Kim
moving-3.5K₩4,000+8.5%₩14M ($10K)
2026-05-21SELLMarket Sell
김명진
Myeongjin Kim
moving-22.0K₩3,780+3.2%₩83M ($58K)
2026-04-28SELL주식병합
전수환
Soohwan Jeon
moving-67.8K₩1,272+0.0%₩86M ($60K)
2026-04-28SELL주식병합
한상옥
Han Sang-ok
moving-19.9K₩1,272+0.0%₩25M ($18K)
2026-04-28SELL주식병합
문정환
Jeonghwan Moon
vice president-48.0K₩1,272+0.0%₩61M ($42K)
2026-04-28SELL주식병합
김명진
Myeongjin Kim
moving-236.0K₩1,272+0.0%₩300M ($208K)
2026-04-28SELL주식병합
백성진
Baek Seong-jin
CEO-20.0K₩1,272+0.0%₩25M ($18K)
2026-04-28SELL주식병합
황순석
Soonseok Hwang
Managing Director-150.0K₩1,272+0.0%₩191M ($133K)
2026-04-28SELL주식병합
손도국
Son Do-guk
vice president-24.0K₩1,272+0.0%₩31M ($21K)
2026-04-28SELL주식병합
성준석
Seong Jun-seok
moving-52.0K₩1,272+0.0%₩66M ($46K)
2026-04-28SELL주식병합
HLB
--10.1M₩1,272+0.0%₩12.9B ($8.9M)
2026-04-28SELL주식병합
진양곤
Jinyanggon
Internal director-586.8K₩1,272-142.9%₩746M ($518K)
2026-02-27BUY자사주상여금
김명진
Myeongjin Kim
moving20.0K---
2026-02-27BUY자사주상여금
전수환
Soohwan Jeon
moving20.0K---
2026-02-27BUY자사주상여금
성준석
Seong Jun-seok
moving20.0K---
2026-02-27BUY자사주상여금
황순석
Soonseok Hwang
Managing Director30.0K---
2026-02-27BUY자사주상여금
문정환
Jeonghwan Moon
vice president50.0K---
2026-02-27BUY자사주상여금
한상옥
Han Sang-ok
moving20.0K---
2026-02-27BUY자사주상여금
손도국
Son Do-guk
vice president30.0K---
2026-02-27BUY자사주상여금
진양곤
Jinyanggon
Internal director300.0K---
2026-01-05SELLMarket Sell
한상옥
Han Sang-ok
moving-16.5K₩1,522+19.0%₩25M ($17K)
2026-01-02SELLMarket Sell
한상옥
Han Sang-ok
moving-3.4K₩1,499+17.8%₩5M ($3K)
2026-01-01BUY신규선임
전수환
Soohwan Jeon
moving64.8K₩1,499-17.8%₩97M ($67K)
2026-01-01BUY신규선임
한상옥
Han Sang-ok
moving24.8K₩1,499-17.8%₩37M ($26K)
2025-11-24BUYMarket Buy
백성진
Baek Seong-jin
CEO25.0K₩1,385-11.0%₩35M ($24K)
2025-06-30SELL임원퇴임
김종호
Kim Jong-ho
president-6.0K₩1,475+16.4%₩9M ($6K)
2025-03-13BUYMarket Buy
김종호
Kim Jong-ho
president3.0K₩2,190-43.7%₩7M ($5K)
2025-03-13BUYMarket Buy
문정환
Jeonghwan Moon
CEO10.0K₩2,190-43.7%₩22M ($15K)
2025-03-11BUYMarket Buy
진양곤
Jinyanggon
Internal director38.0K₩2,210-44.2%₩84M ($58K)
2025-03-11BUY주식매수선택권
김명진
Myeongjin Kim
moving274.9K₩2,210-44.2%₩608M ($422K)
2025-03-07BUYMarket Buy
진양곤
Jinyanggon
Internal director34.0K₩2,320-46.9%₩79M ($55K)
2025-03-06BUYMarket Buy
진양곤
Jinyanggon
Internal director23.8K₩2,275-45.8%₩54M ($38K)
2025-03-06BUYMarket Buy
진양곤
Jinyanggon
Internal director20.5K₩2,275-45.8%₩47M ($32K)
2025-03-05BUYMarket Buy
진양곤
Jinyanggon
Internal director30.2K₩2,320-46.9%₩70M ($49K)
2025-02-18BUYMarket Buy
진양곤
Jinyanggon
Internal director30.0K₩2,440-49.5%₩73M ($51K)
2025-02-17BUYMarket Buy
진양곤
Jinyanggon
Internal director45.2K₩2,365-47.9%₩107M ($74K)
2025-01-01BUY신규선임
성준석
Seong Jun-seok
moving45.0K₩2,115-41.7%₩95M ($66K)
2024-11-18BUYMarket Buy
진양곤
Jinyanggon
Internal director25.0K₩2,345-47.4%₩59M ($41K)
2024-11-15BUYMarket Buy
진양곤
Jinyanggon
Internal director46.8K₩2,050-39.9%₩96M ($67K)
2024-11-14BUYMarket Buy
진양곤
Jinyanggon
Internal director55.0K₩1,995-38.2%₩110M ($76K)

Showing the 50 most recent of 66 filings.

Frequently asked questions

Who has been buying HLB Biostep stock?
8 distinct insiders have filed 25 disclosed insider purchases in HLB Biostep (278650), most recently on 2026-06-30. Each filer, their role, the number of shares and the price at filing are listed in the table on this page.
How many insider filings does HLB Biostep have?
HLB Biostep has 25 buy-side and 16 sell-side disclosures on record, covering ₩6.4B ($4.4M) in total reported value, spanning 2024-02-07 to 2026-06-30.
Where does StockDrifts get HLB Biostep insider data?
From DART D001/D002 insider disclosures — the official filing system run by the Financial Supervisory Service (Korea). StockDrifts parses each disclosure and matches it to daily price history; the original filings remain available directly from DART.
Do insider buys in Korean stocks predict returns?
Not uniformly. StockDrifts analysed 170,720 share-count changes across 56,930 Korean DART filings using cross-sectional alpha at fixed forward horizons, and found returns concentrated in particular signal tiers rather than in insider buying generally.

Source filings

Every trade listed above is disclosed in DART D001/D002 insider disclosures, filed with the Financial Supervisory Service (Korea). View the original DART filings for HLB Biostep. For how StockDrifts scores these disclosures, see the Korea insider signal tier research, or browse every Korean stock we track.