Dong-A Socio Holdings's largest shareholder and others' shareholding changed as of October 8, 2026.

This is a report on Dong-A Socio Holdings's shareholding by the largest shareholder and others. Following October 1, 2026 merger, 12 executives acquired shares newly, resulting in a change of 551 shares in total. The shareholding of the largest shareholder and others changed from 30.32% in the prior report to 30.33%.

1. 01

   The largest shareholder held 1,969,904 shares, representing 29.26%.

2. 02

   12 executives acquired shares newly and 551 shares changed in total following October 1, 2026 merger.

3. 03

   The total shareholding of the largest shareholder and others rose 0.01 percentage points from 30.32% to 30.33% compared with the prior report as of September 2.

4. 04

   Foundations including a redevelopment association, a cultural foundation and a charitable foundation are also registered as the largest shareholder and others.

An AI model translated the Korean summary of this filing into English; every number is carried over from the Korean original. Reference information, not investment advice.

Key figures

Change in shares compared with prior report

551 shares

Current shareholding of ordinary shares by the largest shareholder and others

30.33%

Total issued shares of the company

6,732,527 shares

Date of change

October 1, 2026

Filing facts

Filing type

Largest Shareholder Holding Change

Report name

Report on Changes in Shares Held by the Largest Shareholder and Related Parties

Filed

Oct 8, 2026

Receipt number

20261008800299