StockDrifts LogoStockDrifts

alt 459550

Company
알트alt
Insiders
1
Buys
2
Total Value
₩130M ($90K)
Avg Return
-9.94%
Last Filing
2026-06-09

alt (459550) has 2 disclosed insider purchases and 0 disclosed disposals on record, filed by 1 distinct insiders. Together those filings cover ₩130M ($90K) in reported transaction value. The earliest filing StockDrifts holds for alt is dated 2025-11-17; the most recent is 2026-06-09. 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 -9.94%, measured from each filing date to the latest available close.

Price & insider activity (12 months)

Recent insider trades

DateTypeSourceInsiderPositionSharesPrice at filingReturnValue
2026-06-09BUYMarket Buy
이상수
Sangsu Lee
CEO35.0K₩1,991-9.3%₩70M ($48K)
2026-06-08BUYMarket Buy
이상수
Sangsu Lee
CEO30.0K₩2,020-10.6%₩61M ($42K)
2025-11-17BUY신규상장
이희윤
Lee Hee-yoon
Managing Director275.0K₩3,555+8.6%₩978M ($679K)
2025-11-17BUY신규상장
김선필
Seonpil Kim
Internal director40.0K₩3,555+8.6%₩142M ($99K)
2025-11-17BUY신규상장
최희태
Choi Hee-tae
Internal director275.0K₩3,555+8.6%₩978M ($679K)
2025-11-17BUY신규상장
최혁
Choi Hyuk
-2.0M₩3,555+8.6%₩7.1B ($4.9M)
2025-11-17BUY신규상장
이상수
Sangsu Lee
CEO4.0M₩3,555+8.6%₩14.4B ($10.0M)
2025-11-17BUY신규상장
이상수
Sangsu Lee
CEO200.0K₩3,555+8.6%₩711M ($494K)
2025-11-17BUY신규상장
윤서영
Seoyoung Yoon
Managing Director200.0K₩3,555+8.6%₩711M ($494K)

Frequently asked questions

Who has been buying alt stock?
1 distinct insiders have filed 2 disclosed insider purchases in alt (459550), most recently on 2026-06-09. 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 alt have?
alt has 2 buy-side and 0 sell-side disclosures on record, covering ₩130M ($90K) in total reported value, spanning 2025-11-17 to 2026-06-09.
Where does StockDrifts get alt 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 alt. For how StockDrifts scores these disclosures, see the Korea insider signal tier research, or browse every Korean stock we track.