Hong Seung-pyo, an executive of S-Oil (CSO), reported a decrease of 1,000 shares in holdings of S-Oil stock.

Hong Seung-pyo, an executive of S-Oil (CSO), filed a report on specified securities held by executives and major shareholders of S-Oil dated Oct 15, 2026. The filing states holdings of 0 shares (0.00%) after the reported change. The reported trade may have taken place before the filing date.

Written in code from the structured data of the filing. Reference information, not investment advice.

Key figures

Reporting person

Hong Seung-pyo · Executive (CSO)

Registered executive

No

Shares held after the report

0 shares

Ownership after the report

0.00%

Change in shares

-1,000 shares

Change in ownership

0.00 percentage points

Report date

Oct 15, 2026

Filing facts

Filing type

Insider Ownership Report

Report name

Report on Specified Securities Held by Executives and Major Shareholders

Filed

Oct 15, 2026

Receipt number

20261015000064