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Construction Tech 020710

Company
시공테크Construction Tech
Insiders
2
Buys
10
Total Value
₩308M ($214K)
Avg Return
+8.14%
Last Filing
2025-12-17

Construction Tech (020710) has 10 disclosed insider purchases and 2 disclosed disposals on record, filed by 2 distinct insiders. Together those filings cover ₩308M ($214K) in reported transaction value. The earliest filing StockDrifts holds for Construction Tech is dated 2024-06-14; the most recent is 2025-12-17. 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 +8.14%, measured from each filing date to the latest available close.

Price & insider activity (12 months)

Recent insider trades

DateTypeSourceInsiderPositionSharesPrice at filingReturnValue
2025-12-17BUYMarket Buy
김승태
Seungtae Kim
CEO10.3K₩4,225-1.9%₩44M ($30K)
2025-12-17BUYMarket Buy
김승태
Seungtae Kim
CEO1.7K₩4,225-1.9%₩7M ($5K)
2025-12-16BUYMarket Buy
남경우
Nam Kyeong-woo
vice president1.1K₩4,225-1.9%₩5M ($3K)
2025-12-16BUYMarket Buy
남경우
Nam Kyeong-woo
vice president2.5K₩4,225-1.9%₩11M ($7K)
2025-12-15BUYMarket Buy
남경우
Nam Kyeong-woo
vice president830₩4,280-3.1%₩4M ($2K)
2025-12-15BUYMarket Buy
남경우
Nam Kyeong-woo
vice president1.3K₩4,280-3.1%₩6M ($4K)
2025-12-15BUYMarket Buy
남경우
Nam Kyeong-woo
vice president1.4K₩4,280-3.1%₩6M ($4K)
2025-08-11BUY수증
박대민
Daemin Park
CSO3.6M₩3,960+4.7%₩14.3B ($9.9M)
2025-08-11SELL증여
박기석
Park Ki-seok
Chairman of the Board-3.6M₩3,960-4.7%₩14.3B ($9.9M)
2025-06-12SELL수증취소
박대민
Daemin Park
CSO-3.6M₩4,005-3.5%₩14.5B ($10.0M)
2025-06-11BUY증여취소
박기석
Park Ki-seok
Chairman of the Board3.6M₩3,975+4.3%₩14.3B ($10.0M)
2025-04-21SELLMarket Sell
김승태
Seungtae Kim
CEO-11.7K₩9,860+58.0%₩115M ($80K)
2025-04-21SELLMarket Sell
남경우
Nam Kyeong-woo
vice president-10.1K₩9,860+58.0%₩100M ($69K)
2025-03-14SELL증여
박기석
Park Ki-seok
Chairman of the Board-3.6M₩3,930-5.5%₩14.2B ($9.9M)
2025-03-14BUY수증
박대민
Daemin Park
CSO3.6M₩3,930+5.5%₩14.2B ($9.9M)
2024-06-17BUYMarket Buy
남경우
Nam Kyeong-woo
vice president500₩4,160-0.4%₩2M ($1K)
2024-06-17BUYMarket Buy
남경우
Nam Kyeong-woo
vice president670₩4,160-0.4%₩3M ($2K)
2024-06-14BUYMarket Buy
남경우
Nam Kyeong-woo
vice president1.9K₩4,165-0.5%₩8M ($6K)

Frequently asked questions

Who has been buying Construction Tech stock?
2 distinct insiders have filed 10 disclosed insider purchases in Construction Tech (020710), most recently on 2025-12-17. 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 Construction Tech have?
Construction Tech has 10 buy-side and 2 sell-side disclosures on record, covering ₩308M ($214K) in total reported value, spanning 2024-06-14 to 2025-12-17.
Where does StockDrifts get Construction 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 Construction Tech. For how StockDrifts scores these disclosures, see the Korea insider signal tier research, or browse every Korean stock we track.