ARCH Venture Fund IX, L.P.
CIK: 0001666306
Transaction Breakdown
Open Market Buys (P)0 (0.0%)
High conviction signal
Open Market Sales (S)1 (50.0%)
Position reduction
Option Exercises (M)1 (50.0%)
Derivative conversions
Awards (A)0 (0.0%)
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.
10% Owner
Discretionary Trading P&L
Holdings
About ARCH Venture Fund IX, L.P.
ARCH Venture Fund IX, L.P. (SEC CIK 0001666306) files insider reports with the SEC as 10% Owner of Boundless Bio, Inc. (BOLD).
Signal8 holds 1 ownership filing by ARCH Venture Fund IX, L.P., a Form 4, filed on Jul 6, 2026. Those filings report 2 transactions, the latest on Jul 1, 2026. Signal8's Form 4 history starts in Sep 2024.
The business address on ARCH Venture Fund IX, L.P.'s filings is in CHICAGO, IL.
Recent filings by ARCH Venture Fund IX, L.P.
Other insiders filing for Boundless Bio, Inc. (BOLD)
- TANG KEVIN, 10% Owner
- CRANDELL KEITH, 10% Owner
- Whiting Nancy, Director
- Lim Jonathan E, Director
- Christensen James, Director
- Lew Jennifer, Director