# Boundless Bio, Inc.: insider transactions

BOLD · Nasdaq · CIK 1782303 · [Healthcare](/sectors/healthcare.md) · fiscal year ends Dec 31

Pages: [Overview](/companies/bold.md) · [Financials](/companies/bold/financials.md) · [Filings](/companies/bold/filings.md) · [Insiders](/companies/bold/insiders.md)

## All transactions: 3

Non-derivative transactions reported on Forms 4, newest first. Codes P (purchase) and S (sale) are open-market trades. Reported price is as stated on the form, not a market price. Filter with ?type= `open-market`, `purchase`, `sale`.

| Date | Insider | Role | Transaction | Shares | Reported price | Value | Filing |
| --- | --- | --- | --- | ---: | ---: | ---: | --- |
| 2026-10-26 | [Tang Kevin](/insiders/1178579.md) | 10% owner | Purchase (P) | 9,606 | $2.38 | $22.9k | [Form 4](/filings/0001178579-26-000020.md) |
| 2026-10-23 | [Tang Kevin](/insiders/1178579.md) | 10% owner | Purchase (P) | 6,234 | $2.38 | $14.8k | [Form 4](/filings/0001178579-26-000020.md) |
| 2026-10-22 | [Tang Kevin](/insiders/1178579.md) | 10% owner | Purchase (P) | 5,800 | $2.40 | $13.9k | [Form 4](/filings/0001178579-26-000020.md) |

Source: SEC EDGAR, Forms 4. Last ingested by Listed: Oct 29, 2026, 18:21 ET. No prices; not investment advice.