Stephen Feider - 26 Jun 2026 Form 4/A - Amendment Insider Report for Beta Bionics, Inc. (BBNX)

Reporting relationship: Chief Financial Officer
Issuer ticker: BBNX
Reported as of: 26 Jun 2026
Net transaction value: -$170,387
SEC form: 4/A - Amendment
Accepted by SEC: 02 Jul 2026, 18:44:29 UTC
Original report date: 30 Jun 2026
Prior SEC filing: 03 Jun 2026
Source filing: View source filing
Reporting owner signature: /s/ Stephen Feider

Key filing fact

Stephen Feider filed Form 4/A - Amendment for Beta Bionics, Inc. (BBNX) on 02 Jul 2026.

Key facts

This page summarizes Stephen Feider's Form 4/A - Amendment filing for Beta Bionics, Inc. (BBNX).
6 reported transactions and 2 derivative rows are listed below.
Accepted by SEC: 02 Jul 2026, 18:44.

Change

Previous filing in this sequence was filed on 03 Jun 2026.
Current net transaction value: -$170,387.

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/A - Amendment 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: 02 Jul 2026

Reported non-derivative transactions

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

BBNX transaction

Common Stock

Options Exercise

Transaction value
Shares: +5,104
Change %: +3.1%
Price: $5.10^*
Shares after: 171,157
Date: 26 Jun 2026
Ownership: Direct
Footnotes: F1

BBNX transaction

Common Stock

Sale

Transaction value: $87,006
Shares: -5,104
Change %: -3%
Price: $17.05
Shares after: 166,053
Date: 26 Jun 2026
Ownership: Direct
Footnotes: F1, F2, F3

BBNX transaction

Common Stock

Options Exercise

Transaction value
Shares: +4,896
Change %: +2.9%
Price: $5.10^*
Shares after: 170,949
Date: 29 Jun 2026
Ownership: Direct
Footnotes: F1

BBNX transaction

Common Stock

Sale

Transaction value: $83,381
Shares: -4,896
Change %: -2.9%
Price: $17.03
Shares after: 166,053
Date: 29 Jun 2026
Ownership: Direct
Footnotes: F1, F2, F4

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
Shares: -5,104
Change %: -10%
Price: $0.000000^*
Shares after: 44,591
Date: 26 Jun 2026
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 5,104
Exercise price: $5.10
Footnotes: F1, F5

BBNX transaction Derivative

Employee Stock Option (right to buy)

Options Exercise

Transaction value
Shares: -4,896
Change %: -11%
Price: $0.000000^*
Shares after: 39,695
Date: 29 Jun 2026
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 4,896
Exercise price: $5.10
Footnotes: F1, F5

^* 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 5 footnotes

Footnote F1

This Form 4 is being amended to correct the number of shares subject to the option exercise that occurred on June 26, 2026, in connection with the reported sales and to correct the number of securities beneficially owned following the reported transactions.

Footnote F2

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

Footnote F3

The weighted average sale price for the transaction reported was $17.046782 and the range of prices were between $17 and $17.12. 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 F4

The weighted average sale price for the transaction reported was $17.0304 and the range of prices were between $17 and $17.08. 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 F5

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