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Optipharm 153710

Company
옵티팜Optipharm
Insiders
1
Buys
55
Total Value
₩295M ($205K)
Avg Return
+9.07%
Last Filing
2026-07-01

Optipharm (153710) has 55 disclosed insider purchases and 0 disclosed disposals on record, filed by 1 distinct insiders. Together those filings cover ₩295M ($205K) in reported transaction value. The earliest filing StockDrifts holds for Optipharm is dated 2024-03-08; the most recent is 2026-07-01. 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 +9.07%, measured from each filing date to the latest available close.

Price & insider activity (12 months)

Recent insider trades

DateTypeSourceInsiderPositionSharesPrice at filingReturnValue
2026-07-01BUYMarket Buy
김현일
Hyunil Kim
CEO975₩4,300+4.7%₩4M ($3K)
2026-06-30BUYMarket Buy
김현일
Hyunil Kim
CEO800₩4,290+4.9%₩3M ($2K)
2026-06-22BUYMarket Buy
김현일
Hyunil Kim
CEO225₩4,440+1.4%₩999K ($694)
2026-05-29BUYMarket Buy
김현일
Hyunil Kim
CEO125₩4,755-2.8%₩594K ($413)
2026-05-28BUYMarket Buy
김현일
Hyunil Kim
CEO90₩4,765-3.0%₩429K ($298)
2026-05-26BUYMarket Buy
김현일
Hyunil Kim
CEO720₩4,895-5.6%₩4M ($2K)
2026-05-22BUYMarket Buy
김현일
Hyunil Kim
CEO65₩4,995-7.5%₩325K ($225)
2026-05-21BUYMarket Buy
김현일
Hyunil Kim
CEO1.0K₩4,930-6.3%₩5M ($3K)
2026-01-26BUYMarket Buy
김현일
Hyunil Kim
CEO1.0K₩5,200+10.2%₩5M ($4K)
2026-01-23BUYMarket Buy
김현일
Hyunil Kim
CEO1.0K₩5,000+14.6%₩5M ($3K)
2026-01-20BUYMarket Buy
김현일
Hyunil Kim
CEO5.0K₩4,975+15.2%₩25M ($17K)
2025-10-22BUYMarket Buy
김현일
Hyunil Kim
CEO1.0K₩4,885+17.3%₩5M ($3K)
2025-10-17BUYMarket Buy
김현일
Hyunil Kim
CEO1.0K₩4,950+15.8%₩5M ($3K)
2025-10-16BUYMarket Buy
김현일
Hyunil Kim
CEO1.0K₩4,995+14.7%₩5M ($3K)
2025-09-29BUYMarket Buy
김현일
Hyunil Kim
CEO700₩5,020+14.1%₩4M ($2K)
2025-09-24BUYMarket Buy
김현일
Hyunil Kim
CEO300₩5,100+12.3%₩2M ($1K)
2025-08-27BUYMarket Buy
김현일
Hyunil Kim
CEO2.0K₩5,300+8.1%₩11M ($7K)
2025-08-01BUYMarket Buy
김현일
Hyunil Kim
CEO700₩4,995+14.7%₩3M ($2K)
2025-07-25BUYMarket Buy
김현일
Hyunil Kim
CEO250₩5,090+12.6%₩1M ($884)
2025-07-24BUYMarket Buy
김현일
Hyunil Kim
CEO470₩4,925+16.4%₩2M ($2K)
2025-07-02BUYMarket Buy
김현일
Hyunil Kim
CEO450₩4,995+14.7%₩2M ($2K)
2025-06-27BUYMarket Buy
김현일
Hyunil Kim
CEO480₩4,960+15.5%₩2M ($2K)
2025-06-26BUYMarket Buy
김현일
Hyunil Kim
CEO651₩4,955+15.6%₩3M ($2K)
2025-06-24BUYMarket Buy
김현일
Hyunil Kim
CEO200₩4,945+15.9%₩989K ($687)
2025-06-23BUYMarket Buy
김현일
Hyunil Kim
CEO130₩4,960+15.5%₩645K ($448)
2025-06-11BUYMarket Buy
김현일
Hyunil Kim
CEO370₩5,010+14.4%₩2M ($1K)
2025-05-30BUYMarket Buy
김현일
Hyunil Kim
CEO1.9K₩5,070+13.0%₩9M ($7K)
2025-05-19BUYMarket Buy
김현일
Hyunil Kim
CEO400₩5,140+11.5%₩2M ($1K)
2025-05-16BUYMarket Buy
김현일
Hyunil Kim
CEO164₩5,170+10.8%₩848K ($589)
2025-05-13BUYMarket Buy
김현일
Hyunil Kim
CEO1.9K₩5,240+9.3%₩10M ($7K)
2025-05-12BUYMarket Buy
김현일
Hyunil Kim
CEO200₩5,240+9.3%₩1M ($728)
2025-04-11BUYMarket Buy
김현일
Hyunil Kim
CEO481₩5,300+8.1%₩3M ($2K)
2025-04-09BUYMarket Buy
김현일
Hyunil Kim
CEO1.7K₩5,260+8.9%₩9M ($6K)
2025-04-07BUYMarket Buy
김현일
Hyunil Kim
CEO818₩5,210+10.0%₩4M ($3K)
2025-04-04BUYMarket Buy
김현일
Hyunil Kim
CEO1.0K₩5,340+7.3%₩6M ($4K)
2024-12-09BUYMarket Buy
김현일
Hyunil Kim
CEO50₩4,625+23.9%₩231K ($161)
2024-12-06BUYMarket Buy
김현일
Hyunil Kim
CEO782₩4,740+20.9%₩4M ($3K)
2024-12-05BUYMarket Buy
김현일
Hyunil Kim
CEO2.1K₩4,675+22.6%₩10M ($7K)
2024-12-04BUYMarket Buy
김현일
Hyunil Kim
CEO1.1K₩4,715+21.5%₩5M ($4K)
2024-12-03BUYMarket Buy
김현일
Hyunil Kim
CEO200₩4,690+22.2%₩938K ($651)
2024-11-22BUYMarket Buy
김현일
Hyunil Kim
CEO200₩4,775+20.0%₩955K ($663)
2024-11-19BUYMarket Buy
김현일
Hyunil Kim
CEO300₩4,765+20.3%₩1M ($993)
2024-11-14BUYMarket Buy
김현일
Hyunil Kim
CEO2.9K₩4,640+23.5%₩13M ($9K)
2024-11-13BUYMarket Buy
김현일
Hyunil Kim
CEO600₩4,680+22.4%₩3M ($2K)
2024-10-31BUYMarket Buy
김현일
Hyunil Kim
CEO1.0K₩5,080+12.8%₩5M ($4K)
2024-10-28BUYMarket Buy
김현일
Hyunil Kim
CEO3.0K₩5,080+12.8%₩15M ($11K)
2024-09-19BUYMarket Buy
김현일
Hyunil Kim
CEO1.0K₩5,340+7.3%₩5M ($4K)
2024-08-19BUYMarket Buy
김현일
Hyunil Kim
CEO370₩6,040-5.1%₩2M ($2K)
2024-08-16BUYMarket Buy
김현일
Hyunil Kim
CEO607₩6,040-5.1%₩4M ($3K)
2024-08-13BUYMarket Buy
김현일
Hyunil Kim
CEO532₩6,000-4.5%₩3M ($2K)

Showing the 50 most recent of 55 filings.

Frequently asked questions

Who has been buying Optipharm stock?
1 distinct insiders have filed 55 disclosed insider purchases in Optipharm (153710), most recently on 2026-07-01. 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 Optipharm have?
Optipharm has 55 buy-side and 0 sell-side disclosures on record, covering ₩295M ($205K) in total reported value, spanning 2024-03-08 to 2026-07-01.
Where does StockDrifts get Optipharm 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 Optipharm. For how StockDrifts scores these disclosures, see the Korea insider signal tier research, or browse every Korean stock we track.