Boundless Bio, Inc. (NASDAQ: BOLD) Stock Information | RedChip
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Boundless Bio, Inc. (NASDAQ: BOLD)
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$2.51
-0.0050 ( -0.20% ) 119.3K

Boundless Bio Inc is a clinical-stage oncology company. It is dedicated to unlocking a new paradigm in cancer therapeutics that addresses the significant unmet need in patients with oncogene amplified tumors by targeting extrachromosomal DNA (ecDNA), a root cause of oncogene amplification observed in more than 14% of cancer patients. Its ecDTx, BBI-355, is a novel, oral, selective inhibitor of checkpoint kinase 1 (CHK1), which manages ecDNA replication and transcription in cancer cells.

Market Data


Open $2.51
Previous Close $2.51
Volume 119.3K
Market Cap $58.43M
Day Range $2.48 - $2.61
52 Week Range $0.96 - $2.79
Shares Outstanding 22.47M
Change % -0.20%
Net Change ▼ -0.0050
Insider Ownership -0.07%
Exchange NASDAQ
SectorMiscellaneous
IndustryNone
IPO Year2024
CountryUnited States
UnderwriterGoldman Sachs, Leerink Partners, Piper Sandler, Guggenheim Securities, more

Insider Ownership Transactions

Total Amount Purchased: 2,204,888.00

Date Type Amount Purchased Purchaser
2024-03-29 Sale -13219.00 Christensen James
2024-03-29 Sale -41745.00 Wagner Klaus W.
2024-03-29 Sale -16234.00 Oien Jessica
2024-03-29 Sale -26438.00 Brennan Christine
2024-03-29 Sale -26438.00 Burow Kristina
2024-03-29 Sale -162343.00 Hornby Zachary
2024-03-29 Sale -23191.00 Abdollahian Neil
2024-03-29 Sale -13219.00 Whiting Nancy
2024-03-29 Sale -48703.00 Hassig Christian

SEC Filings


Form Type Description Pages Date
10-q Quarterly Reports 62 Nov 05, 2025
8-k 8K-related 12 Nov 05, 2025
10-q Quarterly Reports 62 Aug 05, 2025
8-k 8K-related 12 Aug 05, 2025
4 Insider transactions 1 Jun 23, 2025
4 Insider transactions 1 Jun 23, 2025
4 Insider transactions 1 Jun 23, 2025
4 Insider transactions 1 Jun 23, 2025
4 Insider transactions 1 Jun 23, 2025
4 Insider transactions 1 Jun 23, 2025

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