SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

SCHEDULE 13D

Under the Securities Exchange Act of 1934

(Amendment No. 4)

8X8 INC /DE/

(Name of Issuer)

Common Stock

(Title of Class of Securities)

282914100

(CUSIP Number)

Matthew Whitehead
3000 El Camino Real, Building 5, Suite 450
Palo Alto, CA, 94306
332 242 8518

(Name, Address and Telephone Number of Person Authorized to Receive Notices and Communications)

04/06/2026

(Date of Event Which Requires Filing of This Statement)

If the filing person has previously filed a statement on Schedule 13G to report the acquisition that is the subject of this Schedule 13D, and is filing this schedule because of §§ 240.13d-1(e), 240.13d-1(f) or 240.13d-1(g), check the following box. Checkbox not checked

The information required on the remainder of this cover page shall not be deemed to be “filed” for the purpose of Section 18 of the Securities Exchange Act of 1934 (“Act”) or otherwise subject to the liabilities of that section of the Act but shall be subject to all other provisions of the Act (however, see the Notes).

SCHEDULE 13D

CUSIP Number(s):

282914100

Name of reporting person

SYLEBRA CAPITAL LLC

Check the appropriate box if a member of a Group (See Instructions)

(a)

(b)

SEC use only

Source of funds (See Instructions)

Check if disclosure of legal proceedings is required pursuant to Items 2(d) or 2(e)

Checkbox not checked

Citizenship or place of organization

DELAWARE

Number of Shares Beneficially Owned by Each Reporting Person With:

7	Sole Voting Power 0.00
8	Shared Voting Power 8,367,394.00
9	Sole Dispositive Power 0.00
10	Shared Dispositive Power 8,367,394.00

Aggregate amount beneficially owned by each reporting person

8,367,394.00

Check if the aggregate amount in Row (11) excludes certain shares (See Instructions)

Checkbox not checked

Percent of class represented by amount in Row (11)

6.01 %

Type of Reporting Person (See Instructions)

IA, HC

SCHEDULE 13D

CUSIP Number(s):

282914100

Name of reporting person

Sylebra Capital Ltd

Check the appropriate box if a member of a Group (See Instructions)

(a)

(b)

SEC use only

Source of funds (See Instructions)

Check if disclosure of legal proceedings is required pursuant to Items 2(d) or 2(e)

Checkbox not checked

Citizenship or place of organization

HONG KONG

Number of Shares Beneficially Owned by Each Reporting Person With:

7	Sole Voting Power 0.00
8	Shared Voting Power 8,367,394.00
9	Sole Dispositive Power 0.00
10	Shared Dispositive Power 8,367,394.00

Aggregate amount beneficially owned by each reporting person

8,367,394.00

Check if the aggregate amount in Row (11) excludes certain shares (See Instructions)

Checkbox not checked

Percent of class represented by amount in Row (11)

6.01 %

Type of Reporting Person (See Instructions)

IA, HC

SCHEDULE 13D

CUSIP Number(s):

282914100

Name of reporting person

Sylebra Capital Management, Ltd

Check the appropriate box if a member of a Group (See Instructions)

(a)

(b)

SEC use only

Source of funds (See Instructions)

Check if disclosure of legal proceedings is required pursuant to Items 2(d) or 2(e)

Checkbox not checked

Citizenship or place of organization

CAYMAN ISLANDS

Number of Shares Beneficially Owned by Each Reporting Person With:

7	Sole Voting Power 0.00
8	Shared Voting Power 8,367,394.00
9	Sole Dispositive Power 0.00
10	Shared Dispositive Power 8,367,394.00

Aggregate amount beneficially owned by each reporting person

8,367,394.00

Check if the aggregate amount in Row (11) excludes certain shares (See Instructions)

Checkbox not checked

Percent of class represented by amount in Row (11)

6.01 %

Type of Reporting Person (See Instructions)

IA, HC

SCHEDULE 13D

CUSIP Number(s):

282914100

Name of reporting person

Gibson Daniel Patrick

Check the appropriate box if a member of a Group (See Instructions)

(a)

(b)

SEC use only

Source of funds (See Instructions)

Check if disclosure of legal proceedings is required pursuant to Items 2(d) or 2(e)

Checkbox not checked

Citizenship or place of organization

ANTIGUA AND BARBUDA

Number of Shares Beneficially Owned by Each Reporting Person With:

7	Sole Voting Power 0.00
8	Shared Voting Power 8,367,394.00
9	Sole Dispositive Power 0.00
10	Shared Dispositive Power 8,367,394.00

Aggregate amount beneficially owned by each reporting person

8,367,394.00

Check if the aggregate amount in Row (11) excludes certain shares (See Instructions)

Checkbox not checked

Percent of class represented by amount in Row (11)

6.01 %

Type of Reporting Person (See Instructions)

SCHEDULE 13D

Item 1.

Security and Issuer

(a)

Title of Class of Securities:

Common Stock

(b)

Name of Issuer:

8X8 INC /DE/

(c)

Address of Issuer's Principal Executive Offices:

675 CREEKSIDE WAY, CAMPBELL, CALIFORNIA , 95008.

Item 1 Comment:

This Amendment No. 4 on Schedule 13D/A (this "Amendment") amends the Schedule 13D filed by the Reporting Persons with the Securities and Exchange Commission on May 25, 2023, as amended from time to time (the "Schedule 13D"), relating to the shares of common stock ("Common Stock"), of 8x8, Inc., a Delaware corporation (the "Issuer"), with a class of securities registered under Section 12 of the Securities Exchange Act of 1934, as amended (the "Exchange Act"). The principal executive offices of the Issuer are located at 675 Creekside Way, Campbell, California 95008, United States. Except as specifically provided herein, this Amendment does not modify any of the information previously reported in the Schedule 13D. Unless otherwise indicated herein, capitalized terms used but not defined in this Amendment shall have the same meanings herein as are ascribed to such terms in the Schedule 13D.

Item 2.

Identity and Background

(a)

Sylebra Capital LLC ("Sylebra US") hereby files this Amendment on behalf of the Reporting Persons pursuant to the Agreement with Respect to Schedule 13D (the Joint Filing Agreement) attached to this Statement as Exhibit 1. Sylebra US and Sylebra Capital Limited ("Sylebra HK") are the investment sub-advisers to Sylebra Capital Partners Master Fund, Ltd. ("SCP MF"), Sylebra Capital Menlo Master Fund ("MENLO MF") and other advisory clients. The term Affiliated Investment Entities refers to SCP MF, MENLO MF and the other advisory clients. Sylebra Capital Management ("Sylebra Cayman") is the investment manager and parent of Sylebra HK. Sylebra Cayman owns 100% of the shares of Sylebra HK, and Daniel Patrick Gibson ("Gibson") owns 100% of the Class A shares of Sylebra Cayman and 100% of the share capital of Sylebra US. Gibson is a founder and Chief Investment Officer of Sylebra Cayman. In such capacities, Sylebra HK, Sylebra US, Sylebra Cayman, and Gibson may be deemed to share voting and dispositive power over the shares of common stock of the Issuer held by the Affiliated Investment Entities. Sylebra US, Sylebra HK, Sylebra Cayman and Gibson are each referred to herein individually as a Reporting Person and collectively as the Reporting Persons.

(b)

SYLEBRA CAPITAL LLC - 3000 El Camino Real, Building 5, Suite 450, Palo Alto, CA 94306 Sylebra Capital Ltd - 20th Floor, 256 Hennessy Road, Wan Chai, Hong Kong Sylebra Capital Management, Ltd - c/o Walkers Corporate Limited, 190 Elgin Avenue, George Town Grand Cayman KY1-9008, Cayman Islands Gibson Daniel Patrick - 3000 El Camino Real, Building 5, Suite 450, Palo Alto, CA 94306

(c)

SYLEBRA CAPITAL LLC - Investment Sub-Adviser Sylebra Capital Ltd - Investment Sub-Adviser Sylebra Capital Management, Ltd - Investment Manager Gibson Daniel Patrick - (i) director and owner of Sylebra Capital Limited and Sylebra Capital Management and (ii) a sole member of Sylebra Capital LLC

(d)

SYLEBRA CAPITAL LLC - NONE Sylebra Capital Ltd - NONE Sylebra Capital Management, Ltd - NONE Gibson Daniel Patrick - NONE

(e)

SYLEBRA CAPITAL LLC - NONE Sylebra Capital Ltd - NONE Sylebra Capital Management, Ltd - NONE Gibson Daniel Patrick - NONE

(f)

SYLEBRA CAPITAL LLC - Delaware, US Sylebra Capital Ltd - Hong Kong Sylebra Capital Management, Ltd - Cayman Islands Gibson Daniel Patrick - Antiqua and Barbuda

Item 3.

Source and Amount of Funds or Other Consideration

N/A as this was a disposal of securities.

Item 4.

Purpose of Transaction

N/A as this was a disposal of securities. The Reporting Persons previously filed a Schedule 13D to report beneficial ownership of the Issuer's Common Stock, reflecting an initial intent to potentially influence the Issuer's management or policies. Subsequently, the Reporting Persons have adopted a passive investment stance but were unable to transition to a Schedule 13G. The Reporting Persons have no plans or proposals with respect to the Issuer that would result in any of the actions specified in clauses (a) through (j) of Item 4 of Schedule 13D.

Item 5.

Interest in Securities of the Issuer

(a)

SYLEBRA CAPITAL LLC - 8,367,394; 6.01% Sylebra Capital Ltd - 8,367,394; 6.01% Sylebra Capital Management, Ltd - 8,367,394; 6.01% Gibson Daniel Patrick - 8,367,394; 6.01%

(b)

SYLEBRA CAPITAL LLC - 8,367,394 Sylebra Capital Ltd - 8,367,394 Sylebra Capital Management, Ltd - 8,367,394 Gibson Daniel Patrick - 8,367,394

(c)

SYLEBRA CAPITAL LLC - Please refer to exhibit 2 in relation to the transactions with respect to the Issuers common stock within the last 60 days by the Reporting Persons. Sylebra Capital Ltd - Please refer to exhibit 2 in relation to the transactions with respect to the Issuers common stock within the last 60 days by the Reporting Persons. Sylebra Capital Management, Ltd - Please refer to exhibit 2 in relation to the transactions with respect to the Issuers common stock within the last 60 days by the Reporting Persons. Gibson Daniel Patrick - Please refer to exhibit 2 in relation to the transactions with respect to the Issuers common stock within the last 60 days by the Reporting Persons.

(d)

SYLEBRA CAPITAL LLC - No person other than the Reporting Persons has the right to receive or the power to direct the receipt of dividends from, or the proceeds from the sale of, the Issuer's Common Stock. Sylebra Capital Ltd - No person other than the Reporting Persons has the right to receive or the power to direct the receipt of dividends from, or the proceeds from the sale of, the Issuer's Common Stock. Sylebra Capital Management, Ltd - No person other than the Reporting Persons has the right to receive or the power to direct the receipt of dividends from, or the proceeds from the sale of, the Issuer's Common Stock. Gibson Daniel Patrick - No person other than the Reporting Persons has the right to receive or the power to direct the receipt of dividends from, or the proceeds from the sale of, the Issuer's Common Stock.

(e)

N/A

Item 6.

Contracts, Arrangements, Understandings or Relationships With Respect to Securities of the Issuer

The information provided in Items 3, 4 and 5 is hereby incorporated herein by this reference. Except for the Joint Filing Agreement attached hereto as Exhibit 1, to the knowledge of the Reporting Persons, there are no contracts, arrangements, understandings or relationships (legal or otherwise) among the Reporting Persons or, to the knowledge of any of the Reporting Persons, any other person or entity referred to in Item 2, or between such persons and any other person, with respect to any securities of the Issuer, including, but not limited to, transfer or voting of any of the securities, finders fees, joint ventures, loan or option arrangements, puts or calls, guarantees of profits, division of profits or loss, or the giving or withholding of proxies.

Item 7.

Material to be Filed as Exhibits.

Exhibit 1 Joint Filing Agreement, dated as of April 8, 2026 by and among the Reporting Persons. Exhibit 2 - Transaction history.

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.

SYLEBRA CAPITAL LLC

Signature:	/s/ Matthew Whitehead
Name/Title:	Matthew Whitehead, Authorized Signatory
Date:	04/08/2026

Sylebra Capital Ltd

Signature:	/s/ Matthew Whitehead
Name/Title:	Matthew Whitehead, Authorized Signatory
Date:	04/08/2026

Sylebra Capital Management, Ltd

Signature:	/s/ Matthew Whitehead
Name/Title:	Matthew Whitehead, Authorized Signatory
Date:	04/08/2026

Gibson Daniel Patrick

Signature:	/s/ Matthew Whitehead
Name/Title:	Matthew Whitehead, Authorized Signatory
Date:	04/08/2026

Amendment: SEC Form SCHEDULE 13D/A filed by 8x8 Inc