BOLD Insider Buying — Boundless Bio, Inc.

Boundless Bio, Inc., a clinical-stage oncology company, develops interrogating extrachromosomal DNA (ecDNA) directed therapies for treating patients with oncogene amplified cancers. Its lead product candidate is BBI-940, an ecDNA-directed therapeutic candidate (ecDTx) that is in Phase 1/2 clinical...

42 insider purchases on record · latest filing 2026-07-21.

Insiders have also filed 134 sale transactions at BOLD.