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Form SCHEDULE 13D/A 8X8 INC /DE/ Filed by: SYLEBRA CAPITAL LLC

April 16, 2026 9:51 PM





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.

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).




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SCHEDULE 13D






SCHEDULE 13D






SCHEDULE 13D






SCHEDULE 13D






SCHEDULE 13D


SYLEBRA CAPITAL LLC
Signature:/s/ Matthew Whitehead
Name/Title:Matthew Whitehead, Authorized Signatory
Date:04/16/2026
Sylebra Capital Ltd
Signature:/s/ Matthew Whitehead
Name/Title:Matthew Whitehead, Authorized Signatory
Date:04/16/2026
Sylebra Capital Management, Ltd
Signature:/s/ Matthew Whitehead
Name/Title:Matthew Whitehead, Authorized Signatory
Date:04/16/2026
Gibson Daniel Patrick
Signature:/s/ Matthew Whitehead
Name/Title:Matthew Whitehead, Authorized Signatory
Date:04/16/2026

ATTACHMENTS / EXHIBITS

JOINT FILING AGREEMENT

TRANSACTION HISTORY

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