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Precision Bio 335810

Company
프리시젼바이오Precision Bio
Insiders
1
Buys
4
Total Value
₩107M ($74K)
Avg Return
-12.44%
Last Filing
2026-02-04

Precision Bio (335810) has 4 disclosed insider purchases and 0 disclosed disposals on record, filed by 1 distinct insiders. Together those filings cover ₩107M ($74K) in reported transaction value. The earliest filing StockDrifts holds for Precision Bio is dated 2024-10-02; the most recent is 2026-02-04. 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 -12.44%, measured from each filing date to the latest available close.

Price & insider activity (12 months)

Recent insider trades

DateTypeSourceInsiderPositionSharesPrice at filingReturnValue
2026-02-04BUY합병
황규연
Hwang Gyu-yeon
Managing Director350.0K₩2,640+1.5%₩924M ($642K)
2026-02-04BUY합병
광동제약
Kwangdong Pharmaceutical
-1.2M₩2,640+1.5%₩3.2B ($2.2M)
2026-02-04BUY합병
민준홍
Min Junhong
Managing Director978.0K₩2,640+1.5%₩2.6B ($1.8M)
2026-02-01BUY신규보고
황규연
Hwang Gyu-yeon
Managing Director31.0K₩2,600+3.1%₩81M ($56K)
2025-11-04BUY제3자배정유상증자
광동제약
Kwangdong Pharmaceutical
-6.3M₩2,760-2.9%₩17.5B ($12.2M)
2025-07-31BUYMarket Buy
광동제약
Kwangdong Pharmaceutical
-5.0K₩3,100-13.6%₩16M ($11K)
2025-07-30BUYMarket Buy
광동제약
Kwangdong Pharmaceutical
-8.8K₩2,990-10.4%₩26M ($18K)
2025-07-29BUYMarket Buy
광동제약
Kwangdong Pharmaceutical
-10.1K₩3,070-12.7%₩31M ($21K)
2025-07-28BUYMarket Buy
광동제약
Kwangdong Pharmaceutical
-11.1K₩3,085-13.1%₩34M ($24K)
2024-10-02BUYCB인수
아이센스
i-sense
-108.8K₩3,460-22.5%₩377M ($262K)
2024-10-02BUY장외매수
광동제약
Kwangdong Pharmaceutical
-3.4M₩3,460-22.5%₩11.9B ($8.3M)
2024-10-02BUYCB인수
아이센스
i-sense
-217.7K₩3,460-22.5%₩753M ($523K)
2024-10-02BUYCB인수
아이센스
i-sense
-217.7K₩3,460-22.5%₩753M ($523K)
2024-10-02SELL장외매도
아이센스
i-sense
--3.3M₩3,460+22.5%₩11.3B ($7.9M)

Frequently asked questions

Who has been buying Precision Bio stock?
1 distinct insiders have filed 4 disclosed insider purchases in Precision Bio (335810), most recently on 2026-02-04. 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 Precision Bio have?
Precision Bio has 4 buy-side and 0 sell-side disclosures on record, covering ₩107M ($74K) in total reported value, spanning 2024-10-02 to 2026-02-04.
Where does StockDrifts get Precision Bio 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 Precision Bio. For how StockDrifts scores these disclosures, see the Korea insider signal tier research, or browse every Korean stock we track.