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Reporting owner

TANG KEVIN

Reporting owner CIK 0001178579 · 10% owner

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These transactions appear in filings associated with this reporting owner. Jointly reported quantities and amounts are unallocated; they are not this owner's individual purchases or total holdings. Names and roles reflect the relevant filing, and a reporting owner may be a person or an organization.

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Transaction timeline

Who reported an acquisition, and when the transaction occurred.

Reported acquisitions by transaction dateEach row is a reporting owner. Select a marker to open its transaction details. Jointly reported transactions appear for each associated reporting owner, without dividing quantities or amounts.TANG KEVINTANG KEVINTANG CAPITAL MANAGEMENT LLCTANG CAPITAL MANAGEMENT LLCTANG KEVIN · October 20, 2026 · Purchase · Common StockTANG CAPITAL MANAGEMENT LLC · October 20, 2026 · Purchase · Common StockTANG KEVIN · October 19, 2026 · Purchase · Common StockTANG CAPITAL MANAGEMENT LLC · October 19, 2026 · Purchase · Common StockTANG KEVIN · October 19, 2026 · Purchase · Common StockTANG CAPITAL MANAGEMENT LLC · October 19, 2026 · Purchase · Common StockTANG KEVIN · October 16, 2026 · Purchase · Common StockTANG CAPITAL MANAGEMENT LLC · October 16, 2026 · Purchase · Common StockOct 16, 2026Oct 20, 2026
PurchaseStock awardGift receivedExercise / conversionConversionOther acquisition

4 dated transactions · 2 of 2 reporting owners shown. Select one owner to focus the chart.

View timeline as a table
Transaction dateCompany / securityReporting ownersAcquisition type
Oct 20, 2026Boundless Bio, Inc.Common StockTANG KEVIN · TANG CAPITAL MANAGEMENT LLCPurchase
Oct 19, 2026Boundless Bio, Inc.Common StockTANG KEVIN · TANG CAPITAL MANAGEMENT LLCPurchase
Oct 19, 2026Boundless Bio, Inc.Common StockTANG KEVIN · TANG CAPITAL MANAGEMENT LLCPurchase
Oct 16, 2026Boundless Bio, Inc.Common StockTANG KEVIN · TANG CAPITAL MANAGEMENT LLCPurchase

Only transactions on this page are shown. Date windows end on the latest transaction date in this sample. Joint filings may appear on more than one row. Sales are not included. Share-price charts use a separate data source.

Transactions in associated filings

Reported insider acquisitions, ordered by filing date, newest first. Currency is shown only when reported.
Filed / transactedCompanyReporting ownersType / securityQuantityPrice / reference valueDetails
Trade: Boundless Bio, Inc.BOLD · company listings
TANG KEVIN10% owner
TANG CAPITAL MANAGEMENT LLC10% owner
Joint filing · amounts unallocated		PurchaseCommon StockNon-derivative security · Code P2202.37 *Value: 521.4Currency not specifiedView ↗
Trade: Boundless Bio, Inc.BOLD · company listings
TANG KEVIN10% owner
TANG CAPITAL MANAGEMENT LLC10% owner
Joint filing · amounts unallocated		PurchaseCommon StockNon-derivative security · Code P18,2792.33 *Value: 42,590.07Currency not specifiedView ↗
Trade: Boundless Bio, Inc.BOLD · company listings
TANG KEVIN10% owner
TANG CAPITAL MANAGEMENT LLC10% owner
Joint filing · amounts unallocated		PurchaseCommon StockNon-derivative security · Code P12,7902.34 *Value: 29,928.6Currency not specifiedView ↗
Trade: Boundless Bio, Inc.BOLD · company listings
TANG KEVIN10% owner
TANG CAPITAL MANAGEMENT LLC10% owner
Joint filing · amounts unallocated		PurchaseCommon StockNon-derivative security · Code P118,1852.34 *Value: 276,552.9Currency not specifiedView ↗