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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
2024-08-19 Abdollahian Neil Chief Business Officer Grant or award · Stock Option +19,948 19,948
2024-08-19 Abdollahian Neil Chief Business Officer Grant or award · Stock Option +54,871 54,871
2024-08-19 Abdollahian Neil Chief Business Officer Grant or award · Stock Option +36,852 36,852
2024-08-19 Abdollahian Neil Chief Business Officer Grant or award · Stock Option +23,191 23,191
2024-08-19 Wagner Klaus W. Chief Medical Officer Returned to the company · Stock Option −102,564 0
2024-08-19 Wagner Klaus W. Chief Medical Officer Returned to the company · Stock Option −9,635 0
2024-08-19 Wagner Klaus W. Chief Medical Officer Returned to the company · Stock Option −94,871 0
2024-08-19 Wagner Klaus W. Chief Medical Officer Returned to the company · Stock Option −68,080 0
2024-08-19 Wagner Klaus W. Chief Medical Officer Returned to the company · Stock Option −41,745 0
2024-08-19 Wagner Klaus W. Chief Medical Officer Grant or award · Stock Option +102,564 102,564
2024-08-19 Wagner Klaus W. Chief Medical Officer Grant or award · Stock Option +9,635 9,635
2024-08-19 Wagner Klaus W. Chief Medical Officer Grant or award · Stock Option +94,871 94,871
2024-08-19 Wagner Klaus W. Chief Medical Officer Grant or award · Stock Option +68,080 68,080
2024-08-19 Wagner Klaus W. Chief Medical Officer Grant or award · Stock Option +41,745 41,745
2024-08-19 Rubin Jami Chief Financial Officer Returned to the company · Stock Option −196,666 0
2024-08-19 Rubin Jami Chief Financial Officer Returned to the company · Stock Option −51,420 0
2024-08-19 Rubin Jami Chief Financial Officer Returned to the company · Stock Option −32,468 0
2024-08-19 Rubin Jami Chief Financial Officer Grant or award · Stock Option +196,666 196,666
2024-08-19 Rubin Jami Chief Financial Officer Grant or award · Stock Option +51,420 51,420
2024-08-19 Rubin Jami Chief Financial Officer Grant or award · Stock Option +32,468 32,468

Page 6 of 10 · 185 trades