Beta Bionics, Inc. — Director's Dealing 2025

Sep 9, 2025

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: Beta Bionics, Inc. (BBNX)
CIK: 0001674632
Period of Report: 2025-09-05

Reporting Person: Feider Stephen (N/A)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2025-09-05	Common Stock	M	100	$5.10	Acquired	44141	Direct
2025-09-05	Common Stock	S	100	$21	Disposed	44041	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2025-09-05	Employee Stock Option (right to buy)	$5.10	M	100	Disposed	2033-09-13	Common Stock (100)	Direct

Footnotes

F1: Represents shares sold pursuant to a Rule 10b5-1 Plan adopted on May 15, 2025.

F2: The shares subject to this option shall vest in 48 equal monthly installments measured from September 14, 2023.