Peterffy William

Peterffy William is listed in filings as Director at Interactive Brokers Group Inc. This profile follows SEC Form 4 activity through Jan 26, 2026, including 3 public disclosures. Recent filings connect the profile to Interactive Brokers Group Inc (IBKR). The current snapshot covers public activity from Jan 7, 2025 to Jan 26, 2026. Reported amounts are shown as $25.0K to $25.1K. The page organizes purchases, sales, issuer links, reported share activity, and filing evidence for review as public disclosure data.