Boundless Bio, Inc.·4

Jul 8, 8:06 PM ET

TANG KEVIN 4

4 · Boundless Bio, Inc. · Filed Jul 8, 2026

Research Summary

AI-generated summary of this filing

Updated

Boundless Bio (BOLD) 10% Owner Kevin Tang Buys Shares

What Happened Kevin Tang, a reported 10% owner of Boundless Bio, purchased a total of 57,210 shares in open-market transactions between July 6 and July 8, 2026, for an aggregate cash outlay of about $141,864. The individual trades reported were:

  • 27,062 shares on 2026-07-06 at a weighted-average price of $2.49 (≈ $67,384)
  • 15,810 shares on 2026-07-07 at a weighted-average price of $2.48 (≈ $39,209)
  • 14,338 shares on 2026-07-08 at a weighted-average price of $2.46 (≈ $35,271)

These were purchases (code P), which are generally viewed as a more direct signal of an insider adding to holdings versus routine dispositions.

Key Details

  • Transaction dates and prices: July 6–8, 2026; weighted-average prices reported $2.46–$2.49 for the listed trades. Footnotes indicate transaction prices in the broader ranges $2.42–$2.50 across all purchases.
  • Total shares acquired: 57,210; total reported cost: ≈ $141,864.
  • Shares owned after the transaction: The filing does not list a single total for Mr. Tang’s direct holdings; footnote shows related entities beneficially own shares — Tang Capital Partners, LP: 618,407; Tang Capital Partners International, LP: 843,301; Tang Capital Partners III, Inc.: 618,403; Tang Capital Partners IV, Inc.: 618,407. Mr. Tang has a pecuniary interest in those entity holdings.
  • Footnotes: F1–F4 note weighted-average prices and that purchases occurred in multiple transactions at prices ranging roughly $2.42–$2.50; the reporting person offers to provide detailed per-price quantities on request.
  • Filing timeliness: Report filed 2026-07-08 for trades dated 2026-07-06 through 07-08; filing appears timely based on the dates shown.

Context

  • Kevin Tang is reported as a 10% owner with beneficial interests held through investment entities (see footnote). This is institutional/ownership-related trading rather than an ordinary-rank employee sale.
  • Purchases by insiders can be of interest to retail investors as they represent insiders adding capital, but they do not by themselves prove future company performance. The filing is purely transactional and contains no statement of intent or strategy.

Insider Transaction Report

Form 4
Period: 2026-07-06
TANG KEVIN
10% Owner
Transactions
  • Purchase

    Common Stock

    [F1][F2]
    2026-07-06$2.49/sh+27,062$67,3842,668,370 total(indirect: By LP)
  • Purchase

    Common Stock

    [F3][F2]
    2026-07-07$2.48/sh+15,810$39,2092,684,180 total(indirect: By LP)
  • Purchase

    Common Stock

    [F4][F2]
    2026-07-08$2.46/sh+14,338$35,2712,698,518 total(indirect: By LP)
Footnotes (4)
  • [F1]The prices reported are weighted-average prices. These shares were purchased in multiple transactions at prices ranging from $2.46 to $2.50. 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 4.
  • [F2]Tang Capital Partners, LP ("TCP") beneficially owns 618,407 shares, Tang Capital Partners International, LP ("TCPI") beneficially owns 843,301 shares, Tang Capital Partners III, Inc. ("TCP III") beneficially owns 618,403 shares, and Tang Capital Partners IV, Inc. ("TCP IV") beneficially owns 618,407 shares. Kevin Tang is the sole manager of Tang Capital Management, LLC, which is the general partner of TCP and TCPI. Kevin Tang is the sole director and Chief Executive Officer of TCP III and TCP IV, which are indirectly wholly owned by TCP. Mr. Tang has a pecuniary interest in the shares beneficially held by TCP, TCPI, TCP III and TCP IV.
  • [F3]These shares were purchased in multiple transactions at prices ranging from $2.44 to $2.50.
  • [F4]These shares were purchased in multiple transactions at prices ranging from $2.42 to $2.48.

Documents

1 file
  • 4
    form4-07092026_120702.xmlPrimary