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big tech 065450

Company
빅텍big tech
Insiders
4
Buys
8
Total Value
₩178M ($124K)
Avg Return
+9.97%
Last Filing
2026-03-30

big tech (065450) has 8 disclosed insider purchases and 0 disclosed disposals on record, filed by 4 distinct insiders. Together those filings cover ₩178M ($124K) in reported transaction value. The earliest filing StockDrifts holds for big tech is dated 2026-01-13; the most recent is 2026-03-30. 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 +9.97%, measured from each filing date to the latest available close.

Price & insider activity (12 months)

Recent insider trades

DateTypeSourceInsiderPositionSharesPrice at filingReturnValue
2026-07-29BUYMarket Buy
이남재
Namjae Lee
vice president5.0K₩2,700+5.7%₩15M ($10K)
2026-03-30BUYMarket Buy
이남재
Namjae Lee
vice president1.0K₩4,695+19.7%₩5M ($3K)
2026-03-10BUYMarket Buy
이남재
Namjae Lee
vice president3.0K---
2026-02-25BUYMarket Buy
조원상
Jo Won-sang
Managing Director13.9K₩4,300+1.2%₩60M ($41K)
2026-02-24BUYMarket Buy
이남재
Namjae Lee
vice president3.0K₩4,390-0.9%₩13M ($9K)
2026-02-13BUYMarket Buy
박승무
Seungmoo Park
Managing Director10.0K₩3,900+11.5%₩39M ($27K)
2026-01-20BUYMarket Buy
임현규
Lim Hyeon-gyu
vice president7.0K₩3,905+11.4%₩27M ($19K)
2026-01-15BUYMarket Buy
임현규
Lim Hyeon-gyu
vice president1.0K₩3,890+11.8%₩4M ($3K)
2026-01-13BUYMarket Buy
이남재
Namjae Lee
vice president8.0K₩3,780+15.1%₩30M ($21K)

Frequently asked questions

Who has been buying big tech stock?
4 distinct insiders have filed 8 disclosed insider purchases in big tech (065450), most recently on 2026-03-30. 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 big tech have?
big tech has 8 buy-side and 0 sell-side disclosures on record, covering ₩178M ($124K) in total reported value, spanning 2026-01-13 to 2026-03-30.
Where does StockDrifts get big tech 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 big tech. For how StockDrifts scores these disclosures, see the Korea insider signal tier research, or browse every Korean stock we track.