StockDrifts LogoStockDrifts

Seokkyung AT 357550

Company
석경에이티Seokkyung AT
Insiders
2
Buys
5
Total Value
₩151M ($105K)
Avg Return
-8.65%
Last Filing
2026-06-29

Seokkyung AT (357550) has 5 disclosed insider purchases and 2 disclosed disposals on record, filed by 2 distinct insiders. Together those filings cover ₩151M ($105K) in reported transaction value. The earliest filing StockDrifts holds for Seokkyung AT is dated 2025-07-30; the most recent is 2026-06-29. Across these filings the average return since disclosure is -8.65%, measured from each filing date to the latest available close.

Price & insider activity (12 months)

Recent insider trades

DateTypeSourceInsiderPositionSharesPrice at filingReturnValue
2026-06-29BUYMarket Buy
이재빈
Hanon Systems
moving8₩40,250-13.4%₩322K ($224)
2026-06-29BUYMarket Buy
이재빈
Hanon Systems
moving4₩40,250-13.4%₩161K ($112)
2026-06-29BUYMarket Buy
이재빈
Hanon Systems
moving4₩40,250-13.4%₩161K ($112)
2026-06-29BUYMarket Buy
이재빈
Hanon Systems
moving2₩40,250-13.4%₩81K ($56)
2026-06-29BUYMarket Buy
이재빈
Hanon Systems
moving7₩40,250-13.4%₩282K ($196)
2026-06-15SELL증여
임형섭
Lim Hyeong-seop
CEO-11.0K---
2026-02-19BUY신규선임
이재빈
Hanon Systems
moving20₩59,300-1.0%₩1M ($824)
2025-12-11SELLMarket Sell
강상헌
Kang Sang-heon
Other non-executive directors-1.5K₩63,600+10.4%₩95M ($66K)
2025-07-30SELLMarket Sell
강상헌
Kang Sang-heon
Other non-executive directors-1.0K₩54,900-3.8%₩55M ($38K)

Frequently asked questions

Who has been buying Seokkyung AT stock?
2 distinct insiders have filed 5 disclosed insider purchases in Seokkyung AT (357550), most recently on 2026-06-29. 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 Seokkyung AT have?
Seokkyung AT has 5 buy-side and 2 sell-side disclosures on record, covering ₩151M ($105K) in total reported value, spanning 2025-07-30 to 2026-06-29.
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.