Boundless Bio BOLD Insider Ownership

NASDAQ BOLD
$2.90 +0.04 (+1.40%)
At close: Aug 20, 2026 · 4:00 PM EDT

Historic Insider Ownership Trends

As of August 04, 2026, the three largest insider holders of BOLD are Venture Fund Ix, L.P. Arch (TenPercentOwner, 1.18Mn shares), Keith Crandell (TenPercentOwner, 1.18Mn shares), Kristina Burow (Director, 1.18Mn shares).

Top Direct Holders

Insider ownership data is derived from the last 60 months of Form 4 SEC filings.
Holder Position Shares (Direct) Shares (Indirect) Report Date
Keith Crandell - 0 1,181,766 04 Apr, 2024
Jonathan E Lim - 0 550,915 04 Apr, 2024
Capital Management, L.P. Ra - 0 295,844 04 Apr, 2024
Kristina Burow - 0 1,181,766 04 Apr, 2024
Venture Fund Ix, L.P. Arch - 0 1,181,766 04 Apr, 2024
Biomedical Innovation Master Investors (Cayman) I L.P. Wellington - 556,233 0 02 Apr, 2024

* Please note that the shares above only reflect shares from the fund portfolio and the institutional portfolio. Shares from the personal portfolio are excluded from this Institutional Ownership Page. See these insiders' latest transactions here on Insider Page.

Recent Insider Transactions

Detailed insider trading activity based on Form 4 SEC filings.
Download Data
Transaction Date Insider Name Security Class Transaction Type Shares Traded Price Shares Remaining Ownership Code
23 Jan, 2026 Jessica Oien Stock Option (right to buy) A 220,000 $0.00 220,000 D A
23 Jan, 2026 Zachary Hornby Stock Option (right to buy) A 600,000 $0.00 600,000 D A
23 Jan, 2026 David A Hinkle Stock Option (right to buy) A 140,000 $0.00 140,000 D A
23 Jan, 2026 Jessica Oien Stock Option (right to buy) A 220,000 $0.00 220,000 D A
23 Jan, 2026 Robert Doebele Stock Option (right to buy) A 230,000 $0.00 230,000 D A
23 Jan, 2026 Christian Hassig Stock Option (right to buy) A 230,000 $0.00 230,000 D A
23 Jan, 2026 Jessica Oien Stock Option (right to buy) A 220,000 $0.00 220,000 D A
23 Jun, 2025 Nancy Whiting Stock Option (right to buy) A 16,000 $0.00 16,000 D A
23 Jun, 2025 Christine Brennan Stock Option (right to buy) A 16,000 $0.00 16,000 D A
23 Jun, 2025 James Christensen Stock Option (right to buy) A 16,000 $0.00 16,000 D A
23 Jun, 2025 Jennifer Lew Stock Option (right to buy) A 16,000 $0.00 16,000 D A
23 Jun, 2025 James Christensen Stock Option (right to buy) A 16,000 $0.00 16,000 D A
23 Jun, 2025 James Christensen Stock Option (right to buy) A 16,000 $0.00 16,000 D A
23 Jun, 2025 Christine Brennan Stock Option (right to buy) A 16,000 $0.00 16,000 D A
23 Jun, 2025 Jennifer Lew Stock Option (right to buy) A 16,000 $0.00 16,000 D A
23 Jun, 2025 Nancy Whiting Stock Option (right to buy) A 16,000 $0.00 16,000 D A
23 Jun, 2025 Christine Brennan Stock Option (right to buy) A 16,000 $0.00 16,000 D A
23 Jun, 2025 Nancy Whiting Stock Option (right to buy) A 16,000 $0.00 16,000 D A
23 Jun, 2025 Jonathan E Lim Stock Option (right to buy) A 24,000 $0.00 24,000 D A
23 Jun, 2025 Kristina Burow Stock Option (right to buy) A 16,000 $0.00 16,000 D A