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SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

SCHEDULE 13G

UNDER THE SECURITIES EXCHANGE ACT OF 1934

(Name of Issuer)

(Title of Class of Securities)

(CUSIP Number)

(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 13D 0002003074 XXXXXXXX LIVE Common Stock 10/14/2025 false 0001023731 282914100 8X8 INC /DE/ 675 CREEKSIDE WAY CAMPBELL CA 95008 Matthew Whitehead 332 242 8518 3000 El Camino Real Building 5, Suite 450 Palo Alto CA 94306 0002003074 N SYLEBRA CAPITAL LLC WC N DE 0.00 13575499.00 0.00 13575499.00 13575499.00 N 9.96 IA HC 0001627436 N Sylebra Capital Ltd WC N K3 0.00 13575499.00 0.00 13575499.00 13575499.00 N 9.96 IA HC 0001745666 N Sylebra Capital Management, Ltd WC N E9 0.00 13575499.00 0.00 13575499.00 13575499.00 N 9.96 IA HC 0001745725 N Gibson Daniel Patrick WC N B9 0.00 13575499.00 0.00 13575499.00 13575499.00 N 9.96 IN Common Stock 8X8 INC /DE/ 675 CREEKSIDE WAY CAMPBELL CA 95008 This Amendment No. 1 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. SYLEBRA CAPITAL LLC Sylebra Capital Ltd Sylebra Capital Management, Ltd Gibson Daniel Patrick 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 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 SYLEBRA CAPITAL LLC - NONE Sylebra Capital Ltd - NONE Sylebra Capital Management, Ltd - NONE Gibson Daniel Patrick - NONE SYLEBRA CAPITAL LLC - NONE Sylebra Capital Ltd - NONE Sylebra Capital Management, Ltd - NONE Gibson Daniel Patrick - NONE SYLEBRA CAPITAL LLC - Delaware, US Sylebra Capital Ltd - Hong Kong Sylebra Capital Management, Ltd - Cayman Islands Gibson Daniel Patrick - Antiqua and Barbuda N/A as this was a disposal of securities. 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. SYLEBRA CAPITAL LLC - 13,575,499; 9.96% Sylebra Capital Ltd - 13,575,499; 9.96% Sylebra Capital Management, Ltd - 13,575,499; 9.96% Gibson Daniel Patrick - 13,575,499; 9.96% SYLEBRA CAPITAL LLC - 13,575,499 Sylebra Capital Ltd - 13,575,499 Sylebra Capital Management, Ltd - 13,575,499 Gibson Daniel Patrick - 13,575,499 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. 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. N/A 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. Exhibit 1 Joint Filing Agreement, dated as of October 16, 2025 by and among the Reporting Persons. Exhibit 2 - Transaction history. SYLEBRA CAPITAL LLC /s/ Matthew Whitehead Matthew Whitehead, Authorized Signatory 10/16/2025 Sylebra Capital Ltd /s/ Matthew Whitehead Matthew Whitehead, Authorized Signatory 10/16/2025 Sylebra Capital Management, Ltd /s/ Matthew Whitehead Matthew Whitehead, Authorized Signatory 10/16/2025 Gibson Daniel Patrick /s/ Matthew Whitehead Matthew Whitehead, Authorized Signatory 10/16/2025