Zachary Hornby
CIK: 0001602227
Transaction Breakdown
Open Market Buys (P)0 (0.0%)
High conviction signal
Open Market Sales (S)0 (0.0%)
Position reduction
Option Exercises (M)0 (0.0%)
Derivative conversions
Awards (A)2 (100.0%)
Compensation grants
Other (G, F, J, C, D, …)0 (0.0%)
Gifts, tax withholding, conversions, dispositions to the issuer and other codes
Companies & Roles (1)
BOLD
Boundless Bio, Inc.
DirectorOfficer
Discretionary Trading P&L
Holdings
About Hornby Zachary
Hornby Zachary (SEC CIK 0001602227) files insider reports with the SEC as President & CEO of Boundless Bio, Inc. (BOLD).
Signal8 holds 2 ownership filings by Hornby Zachary, all Form 4s, filed between Jan 23, 2025 and Jan 26, 2026. Those filings report 2 transactions, from Jan 22, 2025 to Jan 23, 2026. Signal8's Form 4 history starts in Sep 2024.
The business address on Hornby Zachary's filings is in SAN DIEGO, CA.
Recent filings by Hornby Zachary
Other insiders filing for Boundless Bio, Inc. (BOLD)
- TANG KEVIN, 10% Owner
- CRANDELL KEITH, 10% Owner
- ARCH Venture Fund IX, L.P., 10% Owner
- Whiting Nancy, Director
- Lim Jonathan E, Director
- Christensen James, Director