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Seoul Guarantee Insurance 031210

Company
서울보증보험Seoul Guarantee Insurance
Insiders
3
Buys
3
Total Value
₩57M ($39K)
Avg Return
+80.24%
Last Filing
2026-03-30

Seoul Guarantee Insurance (031210) has 3 disclosed insider purchases and 0 disclosed disposals on record, filed by 3 distinct insiders. Together those filings cover ₩57M ($39K) in reported transaction value. The earliest filing StockDrifts holds for Seoul Guarantee Insurance is dated 2025-03-14; 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 +80.24%, measured from each filing date to the latest available close.

Price & insider activity (12 months)

Recent insider trades

DateTypeSourceInsiderPositionSharesPrice at filingReturnValue
2026-03-30SELL시간외매매
예금보험공사
Deposit Insurance Corporation
--3.0M₩53,000+5.8%₩159.0B ($110.4M)
2026-01-29BUY신규선임
송성영
Song Seongyoung
Managing Director206₩49,700+19.1%₩10M ($7K)
2026-01-29BUY신규선임
조지영
George Young
Managing Director51₩49,700+19.1%₩3M ($2K)
2025-05-26BUYMarket Buy
심성보
Seongbo Sim
Managing Director1.0K₩33,150+78.6%₩33M ($23K)
2025-05-20BUYMarket Buy
이명순
Lee Myung-soon
CEO700₩33,700+75.7%₩24M ($16K)
2025-03-18BUYMarket Buy
김병일
Kim Byeong-il
Outside Director1₩31,750+86.5%₩32K ($22)
2025-03-14BUY신규상장
예금보험공사
Deposit Insurance Corporation
-58.5M₩32,000+85.0%₩1.9T ($1.3B)

Frequently asked questions

Who has been buying Seoul Guarantee Insurance stock?
3 distinct insiders have filed 3 disclosed insider purchases in Seoul Guarantee Insurance (031210), 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 Seoul Guarantee Insurance have?
Seoul Guarantee Insurance has 3 buy-side and 0 sell-side disclosures on record, covering ₩57M ($39K) in total reported value, spanning 2025-03-14 to 2026-03-30.
Where does StockDrifts get Seoul Guarantee Insurance 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 Seoul Guarantee Insurance. For how StockDrifts scores these disclosures, see the Korea insider signal tier research, or browse every Korean stock we track.