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Tang Kevin C's Form 4 filing

Boundless Bio, Inc. (BOLD) · filed Jul 2, 2026

Accession no.
0001178579-26-000009
Filed
Jul 2, 2026, 7:45 PM ET
Trade date
Jun 30-Jul 2, 2026
Filing delay
2 days
Rule 10b5-1 plan
Not checked

This filing lists 4 non-derivative transactions. Open-market purchases total $268.9K. It was filed 2 days after the trade.

Reporting owners

A Form 4 can have several reporting owners, such as a person and a fund they control. Trade tables show the first one.

Reporting owners on this filing
OwnerRelationship to the company
Tang Kevin CCIK 000117857910% Owner
Tang Capital Management LLCCIK 000123262110% Owner

Non-derivative securities (Table I)

Acquisitions and disposals of common stock and similar shares, one row per line on the filing.

Non-derivative transactions
Trade dateSecurityTransactionSharesPriceValueShares afterOwnershipFlags
Jun 30, 2026Common StockPPurchaseAcquired+25,930$2.54F1+$65,862.22,559,775Indirect
Jun 30, 2026Common StockPPurchaseAcquired+100$2.50F3+$2502,559,875Indirect
Jul 1, 2026Common StockPPurchaseAcquired+71,612$2.49F4+$178,313.882,631,487Indirect
Jul 2, 2026Common StockPPurchaseAcquired+9,821$2.49F5+$24,454.292,641,308Indirect

Footnotes and remarks

Livermore keeps the footnotes that transaction prices refer to, all footnotes of amendments (Form 4/A) and the filing's remarks. Other footnotes, such as how indirect holdings are held or the details of a trading plan, are only in the original on SEC EDGAR.

F1

The prices reported are weighted-average prices. These shares were purchased in multiple transactions at prices ranging from $2.49 to $2.60. The Reporting Persons undertake to provide the Issuer, any security holder of the Issuer or the SEC staff, upon request, all information regarding the number of shares purchased at each price within the ranges set forth in Footnotes 1 and 3 through 5.

Referenced by the price of 1 transaction in Table I.

F3

These shares were all purchased at $2.50.

Referenced by the price of 1 transaction in Table I.

F4

These shares were purchased in multiple transactions at prices ranging from $2.46 to $2.50.

Referenced by the price of 1 transaction in Table I.

F5

These shares were purchased in multiple transactions at prices ranging from $2.47 to $2.50.

Referenced by the price of 1 transaction in Table I.

Read the full filing on SEC EDGAR (opens in a new tab)