Boundless Bio Inc. – Filings and Transcripts

NASDAQ: BOLD
Share price (7/9/26): $2.51
Market cap (7/9/26): $56.4 million

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Key Exhibits

External Links

Financials Filter

ended 03/31/26 Q1

ended 12/31/25 FY 2025

ended 09/30/25 Q3

ended 06/30/25 Q2

ended 03/31/25 Q1

Prospectuses and Registrations Filter

Business combination disclosure

Shelf registration

Registration of securities for employees

Prospectus supplement with pricing info

Registration of securities on exchange

Ownership Filter

Tang Kevin, Tang Capital Management LLC

Crandell Keith, Nelsen Robert, Bybee Clinton, Gillis Steven, Burow Kristina

ARCH Venture Fund IX, L.P., ARCH Venture Fund IX Overage, L.P., ARCH Venture Partners IX Overage, L.P., ARCH Venture Partners IX, L.P., ARCH Venture Partners IX, LLC, ARCH Venture Fund X Overage, L.P., ARCH Venture Partners X Overage, L.P., ARCH Venture Partners X, LLC

Tang Kevin, Tang Capital Management LLC

Tang Capital Management LLC

News Filter

Boundless Bio and Serapha Bio Announce Merger Agreement and $230 Million Concurrent Private Placement

Shareholder Vote Results

Reports First Quarter 2026 Financial Results and Business Highlights

Termination of Material Definitive Agreement, New Financial Obligation or Off-Balance Sheet Arrangement

Reports Fourth Quarter and Full Year 2025 Financial Results and Business Highlights

Proxies Filter

Additional info about upcoming vote

Definitive proxy

Additional info about upcoming vote

Definitive proxy

Other Filter

Scanned paper annual report submission

Scanned paper annual report submission

Notice of effectiveness

Correspondence with the SEC

Letter from the SEC