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Donga Socio Holdings 000640

Company
동아쏘시오홀딩스Donga Socio Holdings
Insiders
3
Buys
166
Total Value
₩42.6B ($29.6M)
Avg Return
-3.23%
Last Filing
2026-07-06

Donga Socio Holdings (000640) has 166 disclosed insider purchases and 138 disclosed disposals on record, filed by 3 distinct insiders. Together those filings cover ₩42.6B ($29.6M) in reported transaction value. The earliest filing StockDrifts holds for Donga Socio Holdings is dated 2024-07-01; the most recent is 2026-07-06. Across these filings the average return since disclosure is -3.23%, measured from each filing date to the latest available close.

Price & insider activity (12 months)

Recent insider trades

DateTypeSourceInsiderPositionSharesPrice at filingReturnValue
2026-08-31BUYMarket Buy
이혁수
Hyuksu Lee
Assistant Managing Director500₩94,200-1.7%₩47M ($33K)
2026-07-06SELLMarket Sell
국민연금공단
National Pension Service
--4.0K₩83,400+0.5%₩334M ($232K)
2026-07-03SELLMarket Sell
국민연금공단
National Pension Service
--3.0K₩82,800-0.2%₩248M ($172K)
2026-07-03BUYMarket Buy
국민연금공단
National Pension Service
-339₩82,800+0.2%₩28M ($19K)
2026-07-02SELLMarket Sell
국민연금공단
National Pension Service
--3.9K₩82,100-1.1%₩316M ($220K)
2026-07-01SELLMarket Sell
국민연금공단
National Pension Service
--2.0K₩81,600-1.7%₩160M ($111K)
2026-06-30SELLMarket Sell
국민연금공단
National Pension Service
--1.4K---
2026-06-29SELLMarket Sell
국민연금공단
National Pension Service
--1.4K---
2026-06-26SELLMarket Sell
국민연금공단
National Pension Service
--1.8K---
2026-06-26BUYMarket Buy
국민연금공단
National Pension Service
-348---
2026-06-25SELLMarket Sell
국민연금공단
National Pension Service
--777---
2026-06-25BUYMarket Buy
국민연금공단
National Pension Service
-374---
2026-06-24SELLMarket Sell
국민연금공단
National Pension Service
--2.3K---
2026-06-23SELLMarket Sell
국민연금공단
National Pension Service
--2.1K---
2026-06-22SELLMarket Sell
국민연금공단
National Pension Service
--1.9K---
2026-06-22BUYMarket Buy
국민연금공단
National Pension Service
-3.6K---
2026-06-19SELLMarket Sell
국민연금공단
National Pension Service
--4.5K---
2026-06-18SELLMarket Sell
국민연금공단
National Pension Service
--328---
2026-06-17SELLMarket Sell
국민연금공단
National Pension Service
--3.4K---
2026-06-16SELLMarket Sell
국민연금공단
National Pension Service
--1.7K---
2026-06-15SELLMarket Sell
국민연금공단
National Pension Service
--1.8K---
2026-06-15BUYMarket Buy
국민연금공단
National Pension Service
-194---
2026-06-12SELLMarket Sell
국민연금공단
National Pension Service
--2.3K---
2026-06-11SELLMarket Sell
국민연금공단
National Pension Service
--1.6K---
2026-06-11BUYMarket Buy
국민연금공단
National Pension Service
-301---
2026-06-10SELLMarket Sell
국민연금공단
National Pension Service
--3.4K---
2026-06-10BUYMarket Buy
국민연금공단
National Pension Service
-1.8K---
2026-06-09SELLMarket Sell
국민연금공단
National Pension Service
--2.1K---
2026-06-08SELLMarket Sell
국민연금공단
National Pension Service
--3.5K---
2026-06-05SELLMarket Sell
국민연금공단
National Pension Service
--2.7K---
2026-06-04SELLMarket Sell
국민연금공단
National Pension Service
--1.6K---
2026-06-02BUYMarket Buy
국민연금공단
National Pension Service
-1.6K---
2026-06-02SELLMarket Sell
국민연금공단
National Pension Service
--2.9K---
2026-06-01SELLMarket Sell
국민연금공단
National Pension Service
--2.3K---
2026-06-01BUYMarket Buy
국민연금공단
National Pension Service
-789---
2026-05-29SELLMarket Sell
국민연금공단
National Pension Service
--2.3K---
2026-05-28SELLMarket Sell
국민연금공단
National Pension Service
--2.6K---
2026-05-27SELLMarket Sell
국민연금공단
National Pension Service
--2.2K---
2026-05-26BUYMarket Buy
국민연금공단
National Pension Service
-266---
2026-05-19BUYMarket Buy
국민연금공단
National Pension Service
-2.8K---
2026-05-18SELLMarket Sell
국민연금공단
National Pension Service
--500---
2026-05-15SELLMarket Sell
국민연금공단
National Pension Service
--122---
2026-05-14BUYMarket Buy
국민연금공단
National Pension Service
-1.9K---
2026-05-14SELLMarket Sell
국민연금공단
National Pension Service
--1.3K---
2026-05-13SELLMarket Sell
국민연금공단
National Pension Service
--1.5K---
2026-05-11SELLMarket Sell
국민연금공단
National Pension Service
--2.3K---
2026-05-08SELLMarket Sell
국민연금공단
National Pension Service
--731---
2026-05-07SELLMarket Sell
국민연금공단
National Pension Service
--1.2K---
2026-05-04SELLMarket Sell
국민연금공단
National Pension Service
--500---
2026-05-04BUYMarket Buy
국민연금공단
National Pension Service
-13---

Showing the 50 most recent of 200 filings.

Frequently asked questions

Who has been buying Donga Socio Holdings stock?
3 distinct insiders have filed 166 disclosed insider purchases in Donga Socio Holdings (000640), 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 Donga Socio Holdings have?
Donga Socio Holdings has 166 buy-side and 138 sell-side disclosures on record, covering ₩42.6B ($29.6M) in total reported value, spanning 2024-07-01 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.