Hornby Zachary

Hornby Zachary is listed in filings as President & CEO at Boundless Bio, Inc.. This profile follows SEC Form 4 activity through Jan 26, 2026, including 1 public disclosure. Recent filings connect the profile to Boundless Bio, Inc. (BOLD). The current snapshot covers public activity from Jan 26, 2026. Reported amounts are shown as $756.0K. The page organizes purchases, sales, issuer links, reported share activity, and filing evidence for review as public disclosure data.