Much of the verifiable information about Alexei Mordashov comes from structured corporate disclosures tied to Severstal, including annual financial statements, shareholder registers, and board announcements. These materials confirm ownership levels and executive roles with relative clarity. However, narratives about strategic influence or long-term positioning often come from analytical reporting rather than primary filings. Wealth rankings published by Forbes are derived largely from public equity valuations and therefore fluctuate with market performance, currency shifts, and commodity cycles rather than representing static documented sums.