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Oros Technology 322310

Company
오로스테크놀로지Oros Technology
Insiders
5
Buys
2
Total Value
₩623M ($433K)
Avg Return
+12.97%
Last Filing
2026-05-22

Oros Technology (322310) has 2 disclosed insider purchases and 10 disclosed disposals on record, filed by 5 distinct insiders. Together those filings cover ₩623M ($433K) in reported transaction value. The earliest filing StockDrifts holds for Oros Technology is dated 2024-03-11; the most recent is 2026-05-22. 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 +12.97%, measured from each filing date to the latest available close.

Price & insider activity (12 months)

Recent insider trades

DateTypeSourceInsiderPositionSharesPrice at filingReturnValue
2026-05-22BUYMarket Buy
최성원
Seongwon Choi
CEO1.5K₩29,050-6.5%₩44M ($30K)
2026-05-04SELLMarket Sell
이준우
Junwoo Lee
CEO-50.0K---
2026-05-04SELLMarket Sell
장현진
Hyunjin Jang
Managing Director-10.0K---
2026-05-04SELLMarket Sell
유재만
Jaeman Yoo
Managing Director-8.0K---
2026-04-29SELLMarket Sell
유재만
Jaeman Yoo
Managing Director-2.0K₩36,150+4.6%₩72M ($50K)
2026-04-29SELL시간외매매
시엠테크놀로지
CM Technology
--243.0K₩36,150+4.6%₩8.8B ($6.1M)
2026-03-29SELL계약기간만료
이준우
Junwoo Lee
CEO-137.0K₩29,400-17.4%₩4.0B ($2.8M)
2026-03-18SELLMarket Sell
유재만
Jaeman Yoo
Managing Director-3.0K---
2026-03-13SELLMarket Sell
유재만
Jaeman Yoo
Managing Director-2.0K---
2025-10-16SELLMarket Sell
장현진
Hyunjin Jang
Managing Director-10.1K₩30,700+20.9%₩309M ($214K)
2025-10-13SELLMarket Sell
유재만
Jaeman Yoo
Managing Director-1.7K₩32,350+24.9%₩55M ($38K)
2025-09-24SELLMarket Sell
유재만
Jaeman Yoo
Managing Director-300₩29,200+16.8%₩9M ($6K)
2024-05-24BUYMarket Buy
유재만
Jaeman Yoo
Managing Director251₩24,550-1.0%₩6M ($4K)
2024-03-27BUY주식매수선택권
최성원
Seongwon Choi
CEO50.0K₩35,000-30.6%₩1.8B ($1.2M)
2024-03-11SELLMarket Sell
박진석
Jinseok Park
Managing Director-3.6K₩35,350+31.3%₩129M ($90K)

Frequently asked questions

Who has been buying Oros Technology stock?
5 distinct insiders have filed 2 disclosed insider purchases in Oros Technology (322310), most recently on 2026-05-22. 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 Oros Technology have?
Oros Technology has 2 buy-side and 10 sell-side disclosures on record, covering ₩623M ($433K) in total reported value, spanning 2024-03-11 to 2026-05-22.
Where does StockDrifts get Oros Technology 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 Oros Technology. For how StockDrifts scores these disclosures, see the Korea insider signal tier research, or browse every Korean stock we track.