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complementary 027580

Company
상보complementary
Insiders
4
Buys
6
Total Value
₩214M ($149K)
Avg Return
-40.15%
Last Filing
2026-04-29

complementary (027580) has 6 disclosed insider purchases and 0 disclosed disposals on record, filed by 4 distinct insiders. Together those filings cover ₩214M ($149K) in reported transaction value. The earliest filing StockDrifts holds for complementary is dated 2024-08-28; the most recent is 2026-04-29. 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 -40.15%, measured from each filing date to the latest available close.

Price & insider activity (12 months)

Recent insider trades

DateTypeSourceInsiderPositionSharesPrice at filingReturnValue
2026-08-05BUY장외매수
레이노코리아
Raynaud Korea
-1.8M₩1,806-4.2%₩2.5B ($1.8M)
2026-08-05SELL장외매도
김상근
Kim Sang-geun
CEO-1.8M₩1,806+4.2%₩2.5B ($1.8M)
2026-04-29SELL주식병합
김형규
Kim Hyeong-gyu
vice president-16.0K₩598+0.0%₩10M ($7K)
2026-04-29SELL주식병합
이홍민
Hongmin Lee
vice president-111.9K₩598+0.0%₩67M ($46K)
2026-04-29SELL주식병합
김현철
Hyuncheol Kim
CSO-651.1K₩598+0.0%₩389M ($270K)
2026-04-29SELL주식병합
이정형
Jeonghyeong Lee
moving-16.8K₩598+0.0%₩10M ($7K)
2026-04-29SELL주식병합
김상근
Kim Sang-geun
CEO-7.0M₩598+0.0%₩4.2B ($2.9M)
2026-04-29SELL주식병합
김진호
Jinho Kim
moving-28.4K₩598+0.0%₩17M ($12K)
2026-04-29SELL주식병합
이제영
Lee Je-young
moving-33.0K₩598+0.0%₩20M ($14K)
2026-02-23BUY신규선임
김형규
Kim Hyeong-gyu
vice president20.0K---
2026-01-07BUYMarket Buy
이홍민
Hongmin Lee
vice president11.0K₩965-30.8%₩11M ($7K)
2026-01-05BUYMarket Buy
이홍민
Hongmin Lee
vice president108.8K₩731-8.6%₩80M ($55K)
2024-08-29BUYMarket Buy
이제영
Lee Je-young
moving7.2K₩1,335-50.0%₩10M ($7K)
2024-08-28BUYMarket Buy
이정형
Jeonghyeong Lee
moving21.0K₩1,350-50.5%₩28M ($20K)
2024-08-28BUYMarket Buy
이제영
Lee Je-young
moving28.2K₩1,350-50.5%₩38M ($26K)
2024-08-28BUYMarket Buy
김진호
Jinho Kim
moving35.5K₩1,350-50.5%₩48M ($33K)

Frequently asked questions

Who has been buying complementary stock?
4 distinct insiders have filed 6 disclosed insider purchases in complementary (027580), most recently on 2026-04-29. 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 complementary have?
complementary has 6 buy-side and 0 sell-side disclosures on record, covering ₩214M ($149K) in total reported value, spanning 2024-08-28 to 2026-04-29.
Where does StockDrifts get complementary 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 complementary. For how StockDrifts scores these disclosures, see the Korea insider signal tier research, or browse every Korean stock we track.