4

Changes in Ownership

Boundless Bio, Inc. Filed 2024-04-04 Acc 0000950170-24-041844

Director bought 200,000 shares at $16.00 ($3,200,000)

Director acquired 2,425,721 shares (conversion)

From the SEC's structured data for this filing

Trades in this filing

Insider	Date	Transaction	Shares	Price	Value	Owned after	D/I
Burow Kristina Director	2024-04-02	Conversion	+589,743			617,092	I
Burow Kristina Director	2024-04-02	Conversion	+787,545			828,570	I
Burow Kristina Director	2024-04-02	Conversion	+1,048,433			1,048,433	I
Burow Kristina Director	2024-04-02	Purchase	+66,667	$16.00	$1,066,672	683,759	I
Burow Kristina Director	2024-04-02	Purchase	+133,333	$16.00	$2,133,328	1,181,766	I
Derivatives
Burow Kristina Director	2024-04-02	Conversion · Series A Convertible Preferred Stock	−424,908			0	I
Burow Kristina Director	2024-04-02	Conversion · Series A Convertible Preferred Stock	−586,080			0	I
Burow Kristina Director	2024-04-02	Conversion · Series A Convertible Preferred Stock	−454,212			0	I
Burow Kristina Director	2024-04-02	Conversion · Series B Convertible Preferred Stock	−227,920			0	I
Burow Kristina Director	2024-04-02	Conversion · Series C Convertible Preferred Stock	−164,835			0	I
Burow Kristina Director	2024-04-02	Conversion · Series C Convertible Preferred Stock	−201,465			0	I
Burow Kristina Director	2024-04-02	Conversion · Series C Convertible Preferred Stock	−366,301			0	I
Open-market purchases · 200,000 sh · avg $16.00 · $3,200,000