Steven Jon Russell - 02 Sep 2025 Form 4 Insider Report for Beta Bionics, Inc. (BBNX)

Role: Chief Medical Officer
Signature: /s/ Stephen Feider, Attorney-in-Fact
Issuer symbol: BBNX
Transactions as of: 02 Sep 2025
Net transactions value: -$19,146
Form type: 4
Filing time: 04 Sep 2025, 18:45:12 UTC
Previous filing: 04 Jun 2025
Next filing: 13 Mar 2026
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
Russell Steven Jon	Chief Medical Officer	C/O BETA BIONICS, INC., 11 HUGHES, IRVINE	/s/ Stephen Feider, Attorney-in-Fact	03 Sep 2025	0002051384

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	BBNX	Common Stock	Sale	$19,146	-1,015	-1.4%	$18.86	71,017	02 Sep 2025	Direct	F1, F2

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	The shares were sold to cover tax withholding obligations associated with the vesting of restricted stock units.
F2	The weighted average sale price for the transaction reported was $18.8632 and the range of prices were between $18.58 and $19.09. Upon request by the SEC staff, the Issuer, or any security holder of the Issuer, full information regarding the number of shares sold at each separate price will be provided.