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S1 012750

Company
에스원S1
Insiders
2
Buys
3
Total Value
₩303M ($211K)
Avg Return
+2.63%
Last Filing
2026-07-06

S1 (012750) has 3 disclosed insider purchases and 0 disclosed disposals on record, filed by 2 distinct insiders. Together those filings cover ₩303M ($211K) in reported transaction value. The earliest filing StockDrifts holds for S1 is dated 2024-12-04; the most recent is 2026-07-06. Across these filings the average return since disclosure is +2.63%, measured from each filing date to the latest available close.

Price & insider activity (12 months)

Recent insider trades

DateTypeSourceInsiderPositionSharesPrice at filingReturnValue
2026-07-06BUYMarket Buy
이민정
Lee Min-jeong
vice president666₩73,000-1.2%₩50M ($35K)
2026-05-08BUYMarket Buy
정해린
Jeong Hae-rin
president1.0K₩72,900+4.0%₩73M ($51K)
2026-05-07BUYMarket Buy
정해린
Jeong Hae-rin
president2.5K₩72,100+5.1%₩180M ($125K)
2024-12-04BUY신규선임
김현국
Kim Hyeon-guk
Managing Director159₩60,700+52.7%₩10M ($7K)

Frequently asked questions

Who has been buying S1 stock?
2 distinct insiders have filed 3 disclosed insider purchases in S1 (012750), most recently on 2026-07-06. 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 S1 have?
S1 has 3 buy-side and 0 sell-side disclosures on record, covering ₩303M ($211K) in total reported value, spanning 2024-12-04 to 2026-07-06.
Do insider buys in Korean stocks predict returns?
Not uniformly. StockDrifts analysed 170,720 share-count changes across 56,930 Korean regulatory filings using cross-sectional alpha at fixed forward horizons, and found returns concentrated in particular signal tiers rather than in insider buying generally.

More on this data

Every trade listed above comes from an official regulatory disclosure. For how StockDrifts scores these disclosures, see the Korea insider signal tier research, or browse every Korean stock we track.