Kumho Petro Chemical filed a report on changes in shares held by its largest shareholder and related parties on October 22, 2026, and the combined shares held by the largest shareholder and related parties rose by 400 shares.

Largest Shareholder Holding ChangeFiled Oct 22, 2026

Unofficial English translation by ChickenStock; the Korean original prevails. Korean page · Original filing on DART ↗

Highlights

Translated AI summary

Kumho Petro Chemical filed a report on changes in shares held by its largest shareholder and related parties on October 22, 2026. According to the filing, Park Ju-hyung, a relative of the largest shareholder, bought 400 common shares on the open market on October 15, 2026, bringing his holding to 331,980 shares. As a result, the combined holding of the largest shareholder and related parties totaled 7,429,080 shares (26.59%), an increase of 400 shares from the previous report.

The change involves Park Ju-hyung, a related individual who is a relative of the largest shareholder, who bought 400 common shares on the open market on October 15, 2026, according to the filing.
Park Ju-hyung held 331,580 shares before the change and 331,980 shares after it.
The combined shareholding of the largest shareholder and related parties rose from 7,428,680 shares (26.36%) as of the previous report date to 7,429,080 shares (26.59%) as of the date of this report.
The total number of issued shares is 27,943,183 shares, consisting of 24,919,697 common shares and 3,023,486 shares of other classes.

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

Combined shares held as of this report date: 7,429,080
Combined ownership ratio as of this report date: 26.59
Combined shares held as of previous report date: 7,428,680
Change in combined shares: 400 (0.23)
Park Ju-hyung open-market purchase date and change in shares: October 15, 2026, 400 shares
Park Ju-hyung shares held after change: 331,980

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 22, 2026
Receipt number: 20261022800255

Kumho Petro Chemical stock page →Korean page →Original filing on DART ↗

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