Wellington reports 0% ownership in Beta Bionics

Beta Bionics, Inc. (BBNX) received an amended Schedule 13G from Wellington Management Group LLP and related entities showing they no longer hold a reportable stake in the company.

Rhea-AI Filing Summary

Beta Bionics, Inc. (BBNX) received an amended Schedule 13G from Wellington Management Group LLP and related entities showing they no longer hold a reportable stake in the company. As of 12/31/2025, Wellington Management Group LLP, Wellington Group Holdings LLP, and Wellington Investment Advisors Holdings LLP each report 0.00 shares of Beta Bionics common stock, representing 0.0% of the outstanding class, with no sole or shared voting or dispositive power.

The filing explains that any Beta Bionics shares covered by this schedule are owned of record by clients of various Wellington investment advisers, and no single client is known to hold more than five percent of the common stock. Wellington also certifies that any securities were acquired and held in the ordinary course of business and not for the purpose of changing or influencing control of Beta Bionics.

Insights

Institutional Ownership Analyst

Wellington and affiliates now report 0% ownership of Beta Bionics common stock.

Wellington Management Group LLP and its related entities disclose that, as of 12/31/2025, they beneficially own 0.00 shares of Beta Bionics common stock, representing 0.0% of the class. They report no sole or shared voting or dispositive power over any shares.

The securities referenced are held of record by clients of several Wellington investment advisers, but the filing states that no client is known to have rights over more than five percent of the class. Wellington characterizes its holdings as acquired and held in the ordinary course of business and not for influencing control of the company.

This amendment signals the transition of Wellington’s reportable ownership position in Beta Bionics to below the five percent threshold. Future ownership visibility will depend on whether any single client or manager again exceeds that reporting level and files a new beneficial ownership statement.

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What does Wellington’s Schedule 13G/A filing say about its Beta Bionics (BBNX) ownership?

The amended Schedule 13G/A shows Wellington Management Group LLP and related entities now report beneficial ownership of 0.00 Beta Bionics common shares, representing 0.0% of the class as of December 31, 2025, meaning they no longer have a reportable stake under the five percent threshold.

Who are the reporting persons in the Beta Bionics (BBNX) Schedule 13G/A amendment?

The filing lists Wellington Management Group LLP, Wellington Group Holdings LLP, and Wellington Investment Advisors Holdings LLP as reporting persons. Each entity reports 0.00 shares beneficially owned, 0.0% of the common stock class, and no sole or shared voting or dispositive power over Beta Bionics shares.

How many Beta Bionics (BBNX) shares do Wellington entities report owning?

Wellington Management Group LLP and its related entities report owning 0.00 shares of Beta Bionics common stock. They also disclose 0.0% of the class and no sole or shared voting or dispositive power, indicating they no longer hold a reportable ownership position in the company’s common stock.

Who actually holds the Beta Bionics (BBNX) shares referenced in Wellington’s filing?

The securities referenced are owned of record by clients of various Wellington investment advisers. The filing states these clients have dividend and sale rights, but no individual client is known to have such rights over more than five percent of Beta Bionics’ common stock, based on Wellington’s disclosures.

Does Wellington intend to influence control of Beta Bionics (BBNX) according to this filing?

Wellington certifies that any Beta Bionics securities were acquired and are held in the ordinary course of business. The filing states they were not acquired and are not held for changing or influencing control of Beta Bionics or in connection with any control-related transaction.

What is the key ownership threshold mentioned in the Beta Bionics (BBNX) Schedule 13G/A?

The filing emphasizes the five percent ownership threshold. Wellington reports beneficial ownership of 0.0% of Beta Bionics’ common stock and notes that no client is known to have rights to more than five percent of the class, which explains why the position is now reported below that level.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Accepted by SEC EDGAR 02/10/2026 - 11:23 AM Learn about SEC filing dates

SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

SCHEDULE 13G

UNDER THE SECURITIES EXCHANGE ACT OF 1934

(Amendment No. 1)

Beta Bionics, Inc.

(Name of Issuer)

Common Stock

(Title of Class of Securities)

08659B102

(CUSIP Number)

12/31/2025

(Date of Event Which Requires Filing of this Statement)

Check the appropriate box to designate the rule pursuant to which this Schedule is filed:

Rule 13d-1(b)

Rule 13d-1(c)

Rule 13d-1(d)

SCHEDULE 13G

CUSIP No. 08659B102

1

Names of Reporting Persons

Wellington Management Group LLP

2

Check the appropriate box if a member of a Group (see instructions)

(a)
(b)

3

Sec Use Only

4

Citizenship or Place of Organization

MASSACHUSETTS

Number of Shares Beneficially Owned by Each Reporting Person With:

5	Sole Voting Power 0.00
6	Shared Voting Power 0.00
7	Sole Dispositive Power 0.00
8	Shared Dispositive Power 0.00

9

Aggregate Amount Beneficially Owned by Each Reporting Person

0.00

10

Check box if the aggregate amount in row (9) excludes certain shares (See Instructions)

11

Percent of class represented by amount in row (9)

0.0 %

12

Type of Reporting Person (See Instructions)

HC

SCHEDULE 13G

CUSIP No. 08659B102

1

Names of Reporting Persons

Wellington Group Holdings LLP

2

Check the appropriate box if a member of a Group (see instructions)

(a)
(b)

3

Sec Use Only

4

Citizenship or Place of Organization

DELAWARE

Number of Shares Beneficially Owned by Each Reporting Person With:

5	Sole Voting Power 0.00
6	Shared Voting Power 0.00
7	Sole Dispositive Power 0.00
8	Shared Dispositive Power 0.00

9

Aggregate Amount Beneficially Owned by Each Reporting Person

0.00

10

Check box if the aggregate amount in row (9) excludes certain shares (See Instructions)

11

Percent of class represented by amount in row (9)

0.0 %

12

Type of Reporting Person (See Instructions)

HC

SCHEDULE 13G

CUSIP No. 08659B102

1

Names of Reporting Persons

Wellington Investment Advisors Holdings LLP

2

Check the appropriate box if a member of a Group (see instructions)

(a)
(b)

3

Sec Use Only

4

Citizenship or Place of Organization

DELAWARE

Number of Shares Beneficially Owned by Each Reporting Person With:

5	Sole Voting Power 0.00
6	Shared Voting Power 0.00
7	Sole Dispositive Power 0.00
8	Shared Dispositive Power 0.00

9

Aggregate Amount Beneficially Owned by Each Reporting Person

0.00

10

Check box if the aggregate amount in row (9) excludes certain shares (See Instructions)

11

Percent of class represented by amount in row (9)

0.0 %

12

Type of Reporting Person (See Instructions)

HC

SCHEDULE 13G

Item 1.
(a)	Name of issuer: Beta Bionics, Inc.
(b)	Address of issuer's principal executive offices: 11 Hughes, Irvine CA 92618
Item 2.
(a)	Name of person filing: Wellington Management Group LLP Wellington Group Holdings LLP Wellington Investment Advisors Holdings LLP
(b)	Address or principal business office or, if none, residence: c/o Wellington Management Company LLP, 280 Congress Street, Boston MA 02210
(c)	Citizenship: Wellington Management Group LLP - Massachusetts Wellington Group Holdings LLP - Delaware Wellington Investment Advisors Holdings LLP - Delaware
(d)	Title of class of securities: Common Stock
(e)	CUSIP No.: 08659B102
Item 3.	If this statement is filed pursuant to §§ 240.13d-1(b) or 240.13d-2(b) or (c), check whether the person filing is a:
(a)	Broker or dealer registered under section 15 of the Act (15 U.S.C. 78o);
(b)	Bank as defined in section 3(a)(6) of the Act (15 U.S.C. 78c);
(c)	Insurance company as defined in section 3(a)(19) of the Act (15 U.S.C. 78c);
(d)	Investment company registered under section 8 of the Investment Company Act of 1940 (15 U.S.C. 80a-8);
(e)	An investment adviser in accordance with § 240.13d-1(b)(1)(ii)(E);
(f)	An employee benefit plan or endowment fund in accordance with § 240.13d-1(b)(1)(ii)(F);
(g)	A parent holding company or control person in accordance with § 240.13d-1(b)(1)(ii)(G);
(h)	A savings associations as defined in Section 3(b) of the Federal Deposit Insurance Act (12 U.S.C. 1813);
(i)	A church plan that is excluded from the definition of an investment company under section 3(c)(14) of the Investment Company Act of 1940 (15 U.S.C. 80a-3);
(j)	A non-U.S. institution in accordance with § 240.13d-1(b)(1)(ii)(J). If filing as a non-U.S. institution in accordance with § 240.13d-1(b)(1)(ii)(J), please specify the type of institution:
(k)	Group, in accordance with Rule 240.13d-1(b)(1)(ii)(K).
Item 4.	Ownership
(a)	Amount beneficially owned: See the responses to Item 9 on the attached cover pages.
(b)	Percent of class: 0.00 %
(c)	Number of shares as to which the person has:
	(i) Sole power to vote or to direct the vote: 0
	(ii) Shared power to vote or to direct the vote: See the responses to Item 6 on the attached cover pages.
	(iii) Sole power to dispose or to direct the disposition of: 0
	(iv) Shared power to dispose or to direct the disposition of: See the responses to Item 8 on the attached cover pages.
Item 5.	Ownership of 5 Percent or Less of a Class.
	Ownership of 5 percent or less of a class
Item 6.	Ownership of more than 5 Percent on Behalf of Another Person.
	If any other person is known to have the right to receive or the power to direct the receipt of dividends from, or the proceeds from the sale of, such securities, a statement to that effect should be included in response to this item and, if such interest relates to more than 5 percent of the class, such person should be identified. A listing of the shareholders of an investment company registered under the Investment Company Act of 1940 or the beneficiaries of employee benefit plan, pension fund or endowment fund is not required. The securities as to which this Schedule is filed are owned of record by clients of one or more investment advisers identified in Item 7 directly or indirectly owned by Wellington Management Group LLP. Those clients have the right to receive, or the power to direct the receipt of, dividends from, or the proceeds from the sale of, such securities. No such client is known to have such right or power with respect to more than five percent of this class of securities, except as follows: Not Applicable.
Item 7.	Identification and Classification of the Subsidiary Which Acquired the Security Being Reported on by the Parent Holding Company or Control Person.
	If a parent holding company has filed this schedule, pursuant to Rule 13d-1(b)(ii)(G), so indicate under Item 3(g) and attach an exhibit stating the identity and the Item 3 classification of the relevant subsidiary. If a parent holding company has filed this schedule pursuant to Rule 13d-1(c) or Rule 13d-1(d), attach an exhibit stating the identification of the relevant subsidiary. Pursuant to the instructions in Item 7 of Schedule 13G, the following lists the identity and Item 3 classification of each relevant entity that beneficially owns shares of the security class being reported on this Schedule 13G. Wellington Group Holdings LLP - HC Wellington Investment Advisors LLP - HC Wellington Management Global Holdings, Ltd. - HC One or more of the following investment advisers (the "Wellington Investment Advisers"): Wellington Management Company LLP - IA Wellington Management Canada LLC - IA Wellington Management Singapore Pte Ltd - IA Wellington Management Hong Kong Ltd - IA Wellington Management International Ltd - IA Wellington Management Japan Pte Ltd - IA Wellington Management Australia Pty Ltd - IA The securities as to which this Schedule is filed by Wellington Management Group LLP, as parent holding company of certain holding companies and the Wellington Investment Advisers, are owned of record by clients of the Wellington Investment Advisers. Wellington Investment Advisors Holdings LLP controls directly, or indirectly through Wellington Management Global Holdings, Ltd., the Wellington Investment Advisers. Wellington Investment Advisors Holdings LLP is owned by Wellington Group Holdings LLP. Wellington Group Holdings LLP is owned by Wellington Management Group LLP.
Item 8.	Identification and Classification of Members of the Group.
	Not Applicable
Item 9.	Notice of Dissolution of Group.
	Not Applicable

Item 10.

Certifications:

By signing below I certify that, to the best of my knowledge and belief, the securities referred to above were acquired and are held in the ordinary course of business and were not acquired and are not held for the purpose of or with the effect of changing or influencing the control of the issuer of the securities and were not acquired and are not held in connection with or as a participant in any transaction having that purpose or effect, other than activities solely in connection with a nomination under ?? 240.14a-11.

SIGNATURE

After reasonable inquiry and to the best of my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct.

Wellington Management Group LLP

Signature:	Taisia Lowe
Name/Title:	Regulatory Analyst
Date:	02/10/2026

Wellington Group Holdings LLP

Signature:	Taisia Lowe
Name/Title:	Regulatory Analyst
Date:	02/10/2026

Wellington Investment Advisors Holdings LLP

Signature:	Taisia Lowe
Name/Title:	Regulatory Analyst
Date:	02/10/2026