S-Oil
At a glance
S-Oil filed 70 disclosures in the last 12 months, including 13 insider, 5 contract, 4 earnings and 4 5% holder. The most recent key filing was on Oct 28: National Pension Service bought 353,067 sh and sold 642,031 sh, Oct 1–22: net sale of 288,964 sh.
Revenue for 2025 was ₩34.25T, down 6.5% on 2024. Operating margin was 0.7% against 1.2% a year earlier. Debt was 199% of equity at year end. The latest interim report (2026 H1) shows revenue of ₩20.29T and operating profit of ₩2.20T.
The 2025 annual report lists 3,537 employees with an average tenure of 17.4 years and average pay of ₩138.6M, #47 of 1,829 listed companies by average pay. Its 11 directors and auditors were paid ₩182M each on average. It paid ₩330 per common share in cash dividends, against ₩125 a year earlier (+164%). Aramco Overseas Company B.V. and related parties held 63.43% at year end.
From the 2025 annual report
Staff: 3,537 (3,249 men, 288 women), of whom 157 on fixed-term contracts. Total pay for the year: ₩492B. Directors and auditors: 11, paid ₩2B in total.
Dividends (common shares)
| Fiscal year | 2025 | 2024 | 2023 |
|---|---|---|---|
| Cash dividend per share | ₩330 | ₩125 | ₩1,700 |
| Payout ratio | 21.8% | - | 20.9% |
| Yield (as filed) | 0.30% | 0.20% | 2.40% |
| Total cash dividends | ₩38.5B | ₩14.6B | ₩198B |
Largest shareholder
Aramco Overseas Company B.V. holds 63.41%; with 6 related parties the group holds 63.43% of common shares at year end.
Individuals paid ₩500M or more
| 서정규 Special Assignee SVP | ₩2.3B |
| 배중호 Special Assignee SVP | ₩2.2B |
| 김형배 Special Assignee SVP | ₩2.1B |
| 강기태 VP | ₩1.5B |
| 조용국 VP | ₩1.5B |
Auditor: 삼일회계법인 · opinion: Unqualified.
Rankings: Dividend growth #32 of 917 · Tenure #35 of 1,841 · Average pay #47 of 1,829 · Employees #70 of 2,110
Source: 2025 annual business report (DART). How figures are combined
New contracts, last 12 months
2 new supply contracts worth 15% of the revenue stated in the filings.
Amended amounts replace the originals. Subsidiary contracts and terminations are excluded.
Financial summary
Key filings
Other filings
Links open the original filing on DART, in Korean.