Mason Mark

Mason Mark is listed in filings as Chief Financial Officer at Citigroup Inc. This profile follows SEC Form 4 activity through Feb 24, 2026, including sale activity. Recent filings connect the profile to Citigroup Inc (C) and Microsoft Corp (MSFT). The current snapshot covers public activity from Sep 9, 2024 to Feb 24, 2026. Reported amounts are shown as $229.9K to $3.4M. The page organizes purchases, sales, issuer links, reported share activity, and filing evidence for review as public disclosure data.