Boston Partners holds 5.17% of 8x8 common stock

Boston Partners, an investment adviser organized in Delaware, filed Amendment No. 3 to its Schedule 13G/A on 8x8, Inc. common stock.

Rhea-AI Filing Summary

Boston Partners, an investment adviser organized in Delaware, filed Amendment No. 3 to its Schedule 13G/A on 8x8, Inc. common stock. As of 12/31/2025, Boston Partners reported beneficial ownership of 7,171,865 8x8 shares, representing 5.17% of the outstanding common stock. The firm has sole power to vote and dispose of all reported shares and no shared voting or dispositive power.

The shares are held in discretionary accounts for certain clients, and Boston Partners may be deemed the beneficial owner under Rule 13d‑3. The filer certifies that the securities were acquired and are held in the ordinary course of business and not for the purpose of changing or influencing control of 8x8.

FAQ

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

How many 8x8 (EGHT) shares does Boston Partners report owning?

Boston Partners reports beneficial ownership of 7,171,865 shares of 8x8, Inc. common stock as of 12/31/2025.

What percentage of 8x8 (EGHT) does Boston Partners beneficially own?

Boston Partners reports beneficial ownership of 5.17% of 8x8, Inc.'s outstanding common stock.

What type of entity is Boston Partners in this 8x8 Schedule 13G/A?

Boston Partners is classified as an investment adviser (IA) and is organized in Delaware.

Does Boston Partners have sole or shared voting power over its 8x8 shares?

Boston Partners has sole voting power and sole dispositive power over 7,171,865 8x8 shares, with no shared voting or dispositive power.

Are Boston Partners' 8x8 shares held for its own account or for clients?

The 7,171,865 8x8 shares are held in the discretionary accounts of certain clients for which Boston Partners acts as investment adviser.

Is Boston Partners seeking to influence control of 8x8 with this stake?

Boston Partners certifies the 8x8 securities were acquired and are held in the ordinary course of business and not for the purpose of changing or influencing control of the company.

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

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Accepted by SEC EDGAR 01/16/2026 - 09:42 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. 3)

8X8 INC /DE/

(Name of Issuer)

Common Stock

(Title of Class of Securities)

282914100

(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. 282914100

1

Names of Reporting Persons

Boston Partners

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 7,171,865.00
6	Shared Voting Power 0.00
7	Sole Dispositive Power 7,171,865.00
8	Shared Dispositive Power 0.00

9

Aggregate Amount Beneficially Owned by Each Reporting Person

7,171,865.00

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)

5.17 %

12

Type of Reporting Person (See Instructions)

IA

SCHEDULE 13G

Item 1.
(a)	Name of issuer: 8X8 INC /DE/
(b)	Address of issuer's principal executive offices: 675 CREEKSIDE WAY, CAMPBELL, CALIFORNIA 95008
Item 2.
(a)	Name of person filing: Boston Partners
(b)	Address or principal business office or, if none, residence: ONE BEACON STREET 30TH FLOOR BOSTON, Massachusetts 02108
(c)	Citizenship: Boston Partners - DELAWARE
(d)	Title of class of securities: Common Stock
(e)	CUSIP No.: 282914100
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: 7,171,865
(b)	Percent of class: 5.17 %
(c)	Number of shares as to which the person has:
	(i) Sole power to vote or to direct the vote: Boston Partners - 7,171,865
	(ii) Shared power to vote or to direct the vote: Boston Partners - 0
	(iii) Sole power to dispose or to direct the disposition of: Boston Partners - 7,171,865
	(iv) Shared power to dispose or to direct the disposition of: Boston Partners - 0
Item 5.	Ownership of 5 Percent or Less of a Class.
	Not Applicable
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. This Schedule is being filed with respect to 7,171,865 shares of 8X8, Inc. (the Common Stock) held by Boston Partners on 12/31/2025 for the discretionary account of certain clients. By reason of rule 13d-3 under the act Boston Partners may be deemed to be a beneficial owner of such Common Stock. To the knowledge of Boston Partners no person has the right to receive or the power to direct the receipt of dividends from or the proceeds from the sale of such Common Stock which represents more than 5% of the outstanding shares of the Common Stock referred to in item 4(b) hereof.
Item 7.	Identification and Classification of the Subsidiary Which Acquired the Security Being Reported on by the Parent Holding Company or Control Person.
	Not Applicable
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.

Boston Partners

Signature:	/s/Akiko Lindholm
Name/Title:	Senior Compliance Officer
Date:	01/13/2026