BOLD

Boundless Bio, Inc.

Insider Trades

Actor	Holding Value	Last Transaction	Amount	Transaction Price	Current Price
Hornby ZacharyDirector, Officer: President & CEO $756k600k shares Grant / ExerciseJan 23, 2026 $756.0K600k shares $1.26 --
Doebele RobertChief Medical Officer $290k230k shares Grant / ExerciseJan 23, 2026 $289.8K230k shares $1.26 --
Hassig ChristianChief Scientific Officer $290k230k shares Grant / ExerciseJan 23, 2026 $289.8K230k shares $1.26 --
Oien JessicaSee Remarks $277k220k shares Grant / ExerciseJan 23, 2026 $277.2K220k shares $1.26 --
Hinkle David ASee Remarks $176k140k shares Grant / ExerciseJan 23, 2026 $176.4K140k shares $1.26 --
Brennan ChristineDirector $16k16k shares Grant / ExerciseJun 23, 2025 $16.5K16k shares $1.03 --