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CIK 0001782303 · Non-accelerated filer<br>Smaller reporting company<br>Emerging growth company

Boundless Bio, Inc.

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Ticker
BOLD
Exchange
Nasdaq
Industry
Pharmaceutical Preparations
FY end
Dec 31
Incorporated
DE
Entity type
operating
EIN
830751369
Phone
(858) 766-9912
Business address
11099 NORTH TORREY PINES ROAD, SUITE 150, LA JOLLA, CA, 92037
Open-market buys, last 90 days
$458,375
in 5 filings
Open-market sales, last 90 days
$54,351
in 1 filing

Net +$404,024. Shares bought or sold at a price by officers, directors and 10% owners (Form 4 codes P and S). Grants, option exercises and tax withholding aren't counted.

Pace of trading Bought Sold

Who's trading

90 days

  1. TANG KEVIN +$404K 10% owner sold <1% of stake
Date Insider Transaction Shares Price Value Owned after
2024-04-02 Burow Kristina Director Conversion · Series C Convertible Preferred Stock −366,301 0
2024-04-02 Lim Jonathan E Director Conversion +525,274 550,915
2024-04-02 Lim Jonathan E Director Conversion · Series A Convertible Preferred Stock −512,820 0
2024-04-02 Lim Jonathan E Director Conversion · Series B Convertible Preferred Stock −5,128 0
2024-04-02 Lim Jonathan E Director Conversion · Series C Convertible Preferred Stock −7,326 0
2024-04-02 CRANDELL KEITH 10% owner Conversion +589,743 617,092
2024-04-02 CRANDELL KEITH 10% owner Conversion +787,545 828,570
2024-04-02 CRANDELL KEITH 10% owner Conversion +1,048,433 1,048,433
2024-04-02 CRANDELL KEITH 10% owner Purchase +66,667 $16.00 $1.1M 683,759
2024-04-02 CRANDELL KEITH 10% owner Purchase +133,333 $16.00 $2.1M 1,181,766
2024-04-02 CRANDELL KEITH 10% owner Conversion · Series A Convertible Preferred Stock −424,908 0
2024-04-02 CRANDELL KEITH 10% owner Conversion · Series A Convertible Preferred Stock −586,080 0
2024-04-02 CRANDELL KEITH 10% owner Conversion · Series A Convertible Preferred Stock −454,212 0
2024-04-02 CRANDELL KEITH 10% owner Conversion · Series B Convertible Preferred Stock −227,920 0
2024-04-02 CRANDELL KEITH 10% owner Conversion · Series C Convertible Preferred Stock −164,835 0
2024-04-02 CRANDELL KEITH 10% owner Conversion · Series C Convertible Preferred Stock −201,465 0
2024-04-02 CRANDELL KEITH 10% owner Conversion · Series C Convertible Preferred Stock −366,301 0
2024-04-02 ARCH Venture Fund IX, L.P. 10% owner Conversion +589,743 617,092
2024-04-02 ARCH Venture Fund IX, L.P. 10% owner Conversion +787,545 828,570
2024-04-02 ARCH Venture Fund IX, L.P. 10% owner Conversion +1,048,433 1,048,433

Page 8 of 10 · 185 trades