Stephen Feider - 08 Sep 2025 Form 4 Insider Report for Beta Bionics, Inc. (BBNX)

Reporting relationship: Chief Financial Officer
Issuer ticker: BBNX
Reported as of: 08 Sep 2025
Net transaction value: -$158,661
SEC form: 4
Accepted by SEC: 09 Sep 2025, 16:12:26 UTC
Prior SEC filing: 08 Sep 2025
Next SEC filing: 03 Oct 2025
Source filing: View source filing
Reporting owner signature: /s/ Stephen Feider

Key filing fact

Stephen Feider filed Form 4 for Beta Bionics, Inc. (BBNX) on 09 Sep 2025.

Key facts

This page summarizes Stephen Feider's Form 4 filing for Beta Bionics, Inc. (BBNX).
3 reported transactions and 1 derivative row are listed below.
Accepted by SEC: 09 Sep 2025, 16:12.

Change

Previous filing in this sequence was filed on 08 Sep 2025.
Current net transaction value: -$158,661.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0002048588 Primary reporting owner

Feider Stephen

Relationship: Chief Financial Officer
Address: C/O BETA BIONICS, INC., 11 HUGHES, IRVINE
Signature: /s/ Stephen Feider
Signature date: 09 Sep 2025

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

BBNX transaction

Common Stock

Options Exercise

Transaction value: $50,490
Shares: +9,900
Change %: +22%
Price: $5.10
Shares after: 53,941
Date: 08 Sep 2025
Ownership: Direct

BBNX transaction

Common Stock

Sale

Transaction value: $209,151
Shares: -9,900
Change %: -18%
Price: $21.13
Shares after: 44,041
Date: 08 Sep 2025
Ownership: Direct
Footnotes: F1, F2

Reported derivative securities

Options, warrants, convertible securities, or similar derivative positions disclosed in the filing.

BBNX transaction Derivative

Employee Stock Option (right to buy)

Options Exercise

Transaction value: $0
Shares: -9,900
Change %: -9.9%
Price: $0.000000
Shares after: 89,695
Date: 08 Sep 2025
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 9,900
Exercise price: $5.10
Footnotes: F3

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Rule 10b5-1 trading plan

These transactions were reported as open-market trades under a Rule 10b5-1 plan. The plan lets an insider set trading instructions in advance, which can reduce the risk of trading while in possession of material nonpublic information.

Original filing language: transaction made pursuant to a contract, instruction, or written plan intended to satisfy Rule 10b5-1(c).

Explanation of responses 3 footnotes

Footnote F1

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

Footnote F2

The weighted average sale price for the transaction reported was $21.126480 and the range of prices were between $21.00 and $21.2933. 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.

Footnote F3

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