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000640 on Korean Stock Exchange

Dong-A Socio Holdings

Dong-A Socio Holdings is a South Korean company based in Seoul, founded in 1949.1 Its shares trade on Korean Stock Exchange under the symbol 000640.1

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Last updated Oct 21, 2026.

Overview

Aug 9, 1949Founded1

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  • Ticker000640 on Korean Stock Exchange1
  • HeadquartersSeoul1
  • Websitewww.donga.co.kr
  • Legal formjusik hoesa1

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Corporate structure

Dong-A Socio Holdings sits at the top of its group. 2 entities, 1 country on record. Switch between the flow chart and the network, and select any entity to see its details.

Built from subsidiaries, stakes and holdings from Wikidata (CC0); major holders from Schedules 13D and 13G. Each entity in the chart links to its source.

Subsidiaries and ownership

Subsidiaries

From Wikidata.1

Timeline

  1. Feb 10, 1970Went public Listed on Korean Stock Exchange1
  2. Aug 9, 1949Founded Founded1

Sources

The numbers on this page point here. Each one links to the record it came from.

  1. 1