# EDGAR Filing Document

**Accession Number:** 0002003074
**File Stem:** 0001085146-25-005959
**Filing Date:** 2025-10
**Character Count:** 15393
**Document Hash:** 6482224b4d5af071ffca7abf29101758
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001085146-25-005959.hdr.sgml**: 20251016

**ACCESSION NUMBER**: 0001085146-25-005959

**CONFORMED SUBMISSION TYPE**: SCHEDULE 13D

**PUBLIC DOCUMENT COUNT**: 3

**FILED AS OF DATE**: 20251016

**DATE AS OF CHANGE**: 20251016

**SUBJECT COMPANY**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** 8X8 INC /DE/
- **CENTRAL INDEX KEY:** 0001023731
- **STANDARD INDUSTRIAL CLASSIFICATION:** SERVICES-COMPUTER PROCESSING & DATA PREPARATION [7374]
- **ORGANIZATION NAME:** 06 Technology
- **EIN:** 770142404
- **STATE OF INCORPORATION:** DE
- **FISCAL YEAR END:** 0331

**FILING VALUES:**
- **FORM TYPE:** SCHEDULE 13D
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 005-52529
- **FILM NUMBER:** 251398122

**BUSINESS ADDRESS:**
- **STREET 1:** 675 CREEKSIDE WAY
- **CITY:** CAMPBELL
- **STATE:** CA
- **ZIP:** 95008
- **BUSINESS PHONE:** 4087271885

**MAIL ADDRESS:**
- **STREET 1:** 675 CREEKSIDE WAY
- **CITY:** CAMPBELL
- **STATE:** CA
- **ZIP:** 95008

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** NETERGY NETWORKS INC
- **DATE OF NAME CHANGE:** 20000912

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** 8X8 INC
- **DATE OF NAME CHANGE:** 19961023
**FILED BY**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** SYLEBRA CAPITAL LLC
- **CENTRAL INDEX KEY:** 0002003074

**ORGANIZATION NAME:**
- **EIN:** 871719733
- **STATE OF INCORPORATION:** DE
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** SCHEDULE 13D

**BUSINESS ADDRESS:**
- **STREET 1:** 3000 EL CAMINO REAL BUILDING 5 SUITE 450
- **CITY:** PALO ALTO
- **STATE:** CA
- **ZIP:** 94306
- **BUSINESS PHONE:** (332) 242-8518

**MAIL ADDRESS:**
- **STREET 1:** 3000 EL CAMINO REAL BUILDING 5 SUITE 450
- **CITY:** PALO ALTO
- **STATE:** CA
- **ZIP:** 94306

### Attached PDF Documents

**Attachment 1:** `sylebra_eghtjfa.pdf`

_No text found in this document._

**Attachment 2:** `sylebra_eghtex2.pdf`

_No text found in this document._

### UNITED STATES SECURITIES AND EXCHANGE COMMISSION
**Washington, D.C. 20549**

## SCHEDULE 13D

### Under the Securities Exchange Act of 1934

**8X8 INC /DE/**

*(Name of Issuer)*

**Common Stock**

*(Title of Class of Securities)*

**282914100**

*(CUSIP Number)*

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

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

**10/14/2025**

*(Date of Event Which Requires Filing of this Statement)*

| **CUSIP No.** | **282914100** |

---

| | | | |
|:--|:--|:--|:--|
| 1 | Name of reporting person<br>**SYLEBRA CAPITAL LLC** | Name of reporting person<br>**SYLEBRA CAPITAL LLC** | |
| 2 | Check the appropriate box if a member of a Group (See Instructions)<br>[x] (a)<br>[ ] (b) | Check the appropriate box if a member of a Group (See Instructions)<br>[x] (a)<br>[ ] (b) | |
| 3 | SEC use only | SEC use only | |
| 4 | Source of funds (See Instructions)<br>**WC** | Source of funds (See Instructions)<br>**WC** | |
| 5 | Check if disclosure of legal proceedings is required pursuant to Items 2(d) or 2(e)<br>[ ] | Check if disclosure of legal proceedings is required pursuant to Items 2(d) or 2(e)<br>[ ] | |
| 6 | Citizenship or place of organization<br>**DELAWARE** | Citizenship or place of organization<br>**DELAWARE** | |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 7 | Sole Voting Power<br>**0.00** |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 8 | Shared Voting Power<br>**13575499.00** |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 9 | Sole Dispositive Power<br>**0.00** |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 10 | Shared Dispositive Power<br>**13575499.00** |
| 11 | Aggregate amount beneficially owned by each reporting person<br>**13575499.00** | Aggregate amount beneficially owned by each reporting person<br>**13575499.00** | |
| 12 | Check if the aggregate amount in Row (11) excludes certain shares (See Instructions)<br>[ ] | Check if the aggregate amount in Row (11) excludes certain shares (See Instructions)<br>[ ] | |
| 13 | Percent of class represented by amount in Row (11)<br>**9.96%** | Percent of class represented by amount in Row (11)<br>**9.96%** | |
| 14 | Type of Reporting Person (See Instructions)<br>**IA** | Type of Reporting Person (See Instructions)<br>**IA** | |

---

| **CUSIP No.** | **282914100** |

---

| | | | |
|:--|:--|:--|:--|
| 1 | Name of reporting person<br>**Sylebra Capital Ltd** | Name of reporting person<br>**Sylebra Capital Ltd** | |
| 2 | Check the appropriate box if a member of a Group (See Instructions)<br>[x] (a)<br>[ ] (b) | Check the appropriate box if a member of a Group (See Instructions)<br>[x] (a)<br>[ ] (b) | |
| 3 | SEC use only | SEC use only | |
| 4 | Source of funds (See Instructions)<br>**WC** | Source of funds (See Instructions)<br>**WC** | |
| 5 | Check if disclosure of legal proceedings is required pursuant to Items 2(d) or 2(e)<br>[ ] | Check if disclosure of legal proceedings is required pursuant to Items 2(d) or 2(e)<br>[ ] | |
| 6 | Citizenship or place of organization<br>**HONG KONG** | Citizenship or place of organization<br>**HONG KONG** | |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 7 | Sole Voting Power<br>**0.00** |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 8 | Shared Voting Power<br>**13575499.00** |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 9 | Sole Dispositive Power<br>**0.00** |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 10 | Shared Dispositive Power<br>**13575499.00** |
| 11 | Aggregate amount beneficially owned by each reporting person<br>**13575499.00** | Aggregate amount beneficially owned by each reporting person<br>**13575499.00** | |
| 12 | Check if the aggregate amount in Row (11) excludes certain shares (See Instructions)<br>[ ] | Check if the aggregate amount in Row (11) excludes certain shares (See Instructions)<br>[ ] | |
| 13 | Percent of class represented by amount in Row (11)<br>**9.96%** | Percent of class represented by amount in Row (11)<br>**9.96%** | |
| 14 | Type of Reporting Person (See Instructions)<br>**IA** | Type of Reporting Person (See Instructions)<br>**IA** | |

---

| **CUSIP No.** | **282914100** |

---

| | | | |
|:--|:--|:--|:--|
| 1 | Name of reporting person<br>**Sylebra Capital Management, Ltd** | Name of reporting person<br>**Sylebra Capital Management, Ltd** | |
| 2 | Check the appropriate box if a member of a Group (See Instructions)<br>[x] (a)<br>[ ] (b) | Check the appropriate box if a member of a Group (See Instructions)<br>[x] (a)<br>[ ] (b) | |
| 3 | SEC use only | SEC use only | |
| 4 | Source of funds (See Instructions)<br>**WC** | Source of funds (See Instructions)<br>**WC** | |
| 5 | Check if disclosure of legal proceedings is required pursuant to Items 2(d) or 2(e)<br>[ ] | Check if disclosure of legal proceedings is required pursuant to Items 2(d) or 2(e)<br>[ ] | |
| 6 | Citizenship or place of organization<br>**CAYMAN ISLANDS** | Citizenship or place of organization<br>**CAYMAN ISLANDS** | |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 7 | Sole Voting Power<br>**0.00** |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 8 | Shared Voting Power<br>**13575499.00** |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 9 | Sole Dispositive Power<br>**0.00** |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 10 | Shared Dispositive Power<br>**13575499.00** |
| 11 | Aggregate amount beneficially owned by each reporting person<br>**13575499.00** | Aggregate amount beneficially owned by each reporting person<br>**13575499.00** | |
| 12 | Check if the aggregate amount in Row (11) excludes certain shares (See Instructions)<br>[ ] | Check if the aggregate amount in Row (11) excludes certain shares (See Instructions)<br>[ ] | |
| 13 | Percent of class represented by amount in Row (11)<br>**9.96%** | Percent of class represented by amount in Row (11)<br>**9.96%** | |
| 14 | Type of Reporting Person (See Instructions)<br>**IA** | Type of Reporting Person (See Instructions)<br>**IA** | |

---

| **CUSIP No.** | **282914100** |

---

| | | | |
|:--|:--|:--|:--|
| 1 | Name of reporting person<br>**Gibson Daniel Patrick** | Name of reporting person<br>**Gibson Daniel Patrick** | |
| 2 | Check the appropriate box if a member of a Group (See Instructions)<br>[x] (a)<br>[ ] (b) | Check the appropriate box if a member of a Group (See Instructions)<br>[x] (a)<br>[ ] (b) | |
| 3 | SEC use only | SEC use only | |
| 4 | Source of funds (See Instructions)<br>**WC** | Source of funds (See Instructions)<br>**WC** | |
| 5 | Check if disclosure of legal proceedings is required pursuant to Items 2(d) or 2(e)<br>[ ] | Check if disclosure of legal proceedings is required pursuant to Items 2(d) or 2(e)<br>[ ] | |
| 6 | Citizenship or place of organization<br>**ANTIGUA AND BARBUDA** | Citizenship or place of organization<br>**ANTIGUA AND BARBUDA** | |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 7 | Sole Voting Power<br>**0.00** |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 8 | Shared Voting Power<br>**13575499.00** |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 9 | Sole Dispositive Power<br>**0.00** |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 10 | Shared Dispositive Power<br>**13575499.00** |
| 11 | Aggregate amount beneficially owned by each reporting person<br>**13575499.00** | Aggregate amount beneficially owned by each reporting person<br>**13575499.00** | |
| 12 | Check if the aggregate amount in Row (11) excludes certain shares (See Instructions)<br>[ ] | Check if the aggregate amount in Row (11) excludes certain shares (See Instructions)<br>[ ] | |
| 13 | Percent of class represented by amount in Row (11)<br>**9.96%** | Percent of class represented by amount in Row (11)<br>**9.96%** | |
| 14 | Type of Reporting Person (See Instructions)<br>**IN** | Type of Reporting Person (See Instructions)<br>**IN** | |

---

**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, 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.

**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 - 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%

**(b)**
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

**(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.

**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.

### 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.

**Reporting Person:** SYLEBRA CAPITAL LLC

**Signature:** /s/ Matthew Whitehead

**Name/Title:** Matthew Whitehead, Authorized Signatory

**Date:** 10/16/2025

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.

**Reporting Person:** Sylebra Capital Ltd

**Signature:** /s/ Matthew Whitehead

**Name/Title:** Matthew Whitehead, Authorized Signatory

**Date:** 10/16/2025

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.

**Reporting Person:** Sylebra Capital Management, Ltd

**Signature:** /s/ Matthew Whitehead

**Name/Title:** Matthew Whitehead, Authorized Signatory

**Date:** 10/16/2025

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.

**Reporting Person:** Gibson Daniel Patrick

**Signature:** /s/ Matthew Whitehead

**Name/Title:** Matthew Whitehead, Authorized Signatory

**Date:** 10/16/2025