ARCH Venture Fund IX, L.P., 10% Owner at Boundless Bio, Inc. (BOLD), sold 16,000 shares at $2.49 ($40K) on 2026-07-01, disclosed to the SEC on 2026-07-06.
Open-market sale of $40k BOLD by 10% Owner. Not flagged as scheduled, tax-driven, or recurring — but no specific bearish signal from our filters. Reasons for insider sales vary widely.
Nothing distinguishes this filing.