Shinyoung Securities's largest shareholder's relative, Won Jong-seok, bought common shares on the open market from October 8, 2026 to 14, raising the holding ratio from 20.65% to 20.71%.

This filing reports changes in shares held by the largest shareholder and related parties of Shinyoung Securities. The company said that Won Jong-seok, a relative, bought shares on the open market from October 8, 2026 to 14, raising the combined stake of the largest shareholder and related parties from 20.65% to 20.71%. The filing records only the change in shares held and the ratio; it does not include any separate assessment or outlook from the company.

1. 01

   As of the report date of October 16, 2026, the largest shareholder and related parties held 3,404,495 common shares (20.71%), an increase of 8,830 shares (0.06 percentage points) from the previous report.

2. 02

   The filing states that Won Jong-seok, a relative of the largest shareholder and an executive of the issuer, made open-market purchases (+) on October 8, 2026, 10-12, 10-13, and 10-14.

3. 03

   After the change, Won Jong-seok held 1,384,453 shares (8.42%).

4. 04

   The largest shareholder, Won Kuk-hee, held 1,713,810 shares (10.42%), and the filing lists open-market purchase as the cause of this change.

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

Holding ratio before the change (total)

20.65% (3,395,665 shares)

Holding ratio after the change (total)

20.71% (3,404,495 shares)

Change

8,830 common shares (0.06 percentage points)

Total change in Won Jong-seok's open-market purchases over the period

1,729 shares + 1,361 shares + 3,940 shares + 1,800 shares (October 8, 2026 to 10-14)

Won Jong-seok shares held after the change

1,384,453 shares (ratio 8.42%)

Total issued shares

16,440,000 shares

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 16, 2026

Receipt number

20261016800634