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Seoul City Gas 017390

Company
서울도시가스Seoul City Gas
Insiders
3
Buys
2
Total Value
₩39M ($27K)
Avg Return
+23.28%
Last Filing
2026-06-18

Seoul City Gas (017390) has 2 disclosed insider purchases and 1 disclosed disposals on record, filed by 3 distinct insiders. Together those filings cover ₩39M ($27K) in reported transaction value. The earliest filing StockDrifts holds for Seoul City Gas is dated 2020-03-16; the most recent is 2026-06-18. 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 +23.28%, measured from each filing date to the latest available close.

Price & insider activity (12 months)

Recent insider trades

DateTypeSourceInsiderPositionSharesPrice at filingReturnValue
2026-06-18SELLMarket Sell
신영호
Youngho Shin
Managing Director-423---
2025-03-20SELL임원퇴임
박근원
Park Geun-won
president-1.7K₩49,000-41.8%₩82M ($57K)
2025-02-14BUYMarket Buy
황주석
Hwang Joo-seok
Managing Director800₩48,150+44.3%₩39M ($27K)
2024-10-07BUY자사주상여금
신영호
Youngho Shin
Managing Director133---
2024-10-07BUY자사주상여금
박근원
Park Geun-won
president139₩53,400+30.1%₩7M ($5K)
2024-10-07BUY자사주상여금
황주석
Hwang Joo-seok
Managing Director130₩53,400+30.1%₩7M ($5K)
2024-06-01BUY신규선임
김한석
Hanseok Kim
moving14₩57,900+20.0%₩811K ($563)
2020-03-16BUYMarket Buy
박근원
Park Geun-won
president14₩68,000+2.2%₩952K ($661)

Frequently asked questions

Who has been buying Seoul City Gas stock?
3 distinct insiders have filed 2 disclosed insider purchases in Seoul City Gas (017390), most recently on 2026-06-18. 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 City Gas have?
Seoul City Gas has 2 buy-side and 1 sell-side disclosures on record, covering ₩39M ($27K) in total reported value, spanning 2020-03-16 to 2026-06-18.
Where does StockDrifts get Seoul City Gas 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 City Gas. For how StockDrifts scores these disclosures, see the Korea insider signal tier research, or browse every Korean stock we track.