EGHT · 8X8 Inc /De/

Represents the number of shares of Common Stock that have been withheld by the Issuer to satisfy its income tax withholding and remittance obligations in connection with the net settlement of the vested restricted stock units and does not represent a sale by the Reporting Person.

Represents the number of shares of Common Stock that have been withheld by the Issuer to satisfy its income tax withholding and remittance obligations in connection with the net settlement of the vested restricted stock units and does not represent a sale by the Reporting Person.

Represents the number of shares of Common Stock that have been withheld by the Issuer to satisfy its income tax withholding and remittance obligations in connection with the net settlement of the vested restricted stock units and does not represent a sale by the Reporting Person.

Represents the number of shares of Common Stock that have been withheld by the Issuer to satisfy its income tax withholding and remittance obligations in connection with the net settlement of the vested restricted stock units and does not represent a sale by the Reporting Person.

Represents the number of shares of Common Stock that have been withheld by the Issuer to satisfy its income tax withholding and remittance obligations in connection with the net settlement of the vested restricted stock units and does not represent a sale by the Reporting Person.

Represents the number of shares of Common Stock that have been withheld by the Issuer to satisfy its income tax withholding and remittance obligations in connection with the net settlement of the vested restricted stock units and does not represent a sale by the Reporting Person.

Represents the number of shares of Common Stock that have been withheld by the Issuer to satisfy its income tax withholding and remittance obligations in connection with the net settlement of the vested restricted stock units and does not represent a sale by the Reporting Person.

Represents the number of shares of Common Stock that have been withheld by the Issuer to satisfy its income tax withholding and remittance obligations in connection with the net settlement of the vested restricted stock units and does not represent a sale by the Reporting Person.

Represents the number of shares of Common Stock that have been withheld by the Issuer to satisfy its income tax withholding and remittance obligations in connection with the net settlement of the vested restricted stock units and does not represent a sale by the Reporting Person.

Represents the number of shares of Common Stock that have been withheld by the Issuer to satisfy its income tax withholding and remittance obligations in connection with the net settlement of the vested restricted stock units and does not represent a sale by the Reporting Person.

Represents the grant of a restricted stock award. The RSUs shall vest with respect to one-third (33.3%) of the total number of underlying shares on the first anniversary of the Vesting Commencement Date of June 1, 2026, then eight and one-third percent (8.3375%) vesting each quarter thereafter, over a period of eight (8) quarters, subject to the participant's continued employment or other association with the Company. Each restricted stock unit represents a contingent right to receive one share of EGHT common stock.

Represents the grant of a restricted stock award. The RSUs shall vest with respect to one-third (33.3%) of the total number of underlying shares on the first anniversary of the Vesting Commencement Date of June 1, 2026, then eight and one-third percent (8.3375%) vesting each quarter thereafter, over a period of eight (8) quarters, subject to the participant's continued employment or other association with the Company. Each restricted stock unit represents a contingent right to receive one share of EGHT common stock.

Represents the grant of a restricted stock award. The RSUs shall vest with respect to one-third (33.3%) of the total number of underlying shares on the first anniversary of the Vesting Commencement Date of June 1, 2026, then eight and one-third percent (8.3375%) vesting each quarter thereafter, over a period of eight (8) quarters, subject to the participant's continued employment or other association with the Company. Each restricted stock unit represents a contingent right to receive one share of EGHT common stock.

Represents the grant of a restricted stock award. The RSUs shall vest with respect to one-third (33.3%) of the total number of underlying shares on the first anniversary of the Vesting Commencement Date of June 1, 2026, then eight and one-third percent (8.3375%) vesting each quarter thereafter, over a period of eight (8) quarters, subject to the participant's continued employment or other association with the Company. Each restricted stock unit represents a contingent right to receive one share of EGHT common stock.

The reporting person was awarded 118,800 performance share units (PSUs) on June 6, 2025, which were eligible to vest in three equal installments based on achievement of each associated performance goal. On May 27, 2026, the first installment of 39,600 PSUs vested at 111% of target, such that 43,956 shares became issuable. Of these shares, 21,592 were issued to the reporting person and the remaining 22,364 were withheld to pay the associated tax liability.

The reporting person was awarded 112,500 performance share units (PSUs) on September 15, 2024, which were eligible to vest in three equal installments based on achievement of each associated performance goal. On May 27, 2026, the second installment of 37,500 PSUs vested at 111% of target, such that 41,625 shares became issuable. Of these shares, 23,415 were issued to the reporting person and the remaining 18,210 were withheld to pay the associated tax liability.

Represents the number of shares of Common Stock that have been withheld by the issuer to satisfy its income tax withholding and remittance obligations in connection with the net settlement of the vested PSUs and does not represent a sale by the reporting person.

The reporting person was awarded 450,000 performance share units (PSUs) on September 15, 2024, which were eligible to vest in three equal installments based on achievement of each associated performance goal. On May 27, 2026, the second installment of 150,000 PSUs vested at 111% of target, such that 166,500 shares became issuable. Of these shares, 81,785 were issued to the reporting person and the remaining 84,715 were withheld to pay the associated tax liability.

The reporting person was awarded 123,750 performance share units (PSUs) on June 6, 2025, which were eligible to vest in three equal installments based on achievement of each associated performance goal. On May 27, 2026, the first installment of 41,250 PSUs vested at 111% of target, such that 45,787 shares became issuable. Of these shares, 22,491 were issued to the reporting person and the remaining 23,296 were withheld to pay the associated tax liability.

Represents the number of shares of Common Stock that have been withheld by the issuer to satisfy its income tax withholding and remittance obligations in connection with the net settlement of the vested PSUs and does not represent a sale by the reporting person.

Represents the number of shares of Common Stock that have been withheld by the issuer to satisfy its income tax withholding and remittance obligations in connection with the net settlement of the vested PSUs and does not represent a sale by the reporting person.

Represents the number of shares of Common Stock that have been withheld by the issuer to satisfy its income tax withholding and remittance obligations in connection with the net settlement of the vested PSUs and does not represent a sale by the reporting person.

Represents the number of shares of Common Stock that have been withheld by the issuer to satisfy its income tax withholding and remittance obligations in connection with the net settlement of the vested PSUs and does not represent a sale by the reporting person.

The reporting person was awarded 85,800 performance share units (PSUs) on June 6, 2025, which were eligible to vest in three equal installments based on achievement of each associated performance goal. On May 27, 2026, the first installment of 28,600 PSUs vested at 111% of target, such that 31,746 shares became issuable. Of these shares, 17,858 were issued to the reporting person and the remaining 13,888 were withheld to pay the associated tax liability.

Represents the number of shares of Common Stock that have been withheld by the issuer to satisfy its income tax withholding and remittance obligations in connection with the net settlement of the vested PSUs and does not represent a sale by the reporting person.

The reporting person was awarded 200,000 performance share units (PSUs) on September 15, 2024, which were eligible to vest in three equal installments based on achievement of each associated performance goal. On May 27, 2026, the second installment of 66,667 PSUs vested at 111% of target, such that 74,000 shares became issuable. Of these shares, 36,349 were issued to the reporting person and the remaining 37,651 were withheld to pay the associated tax liability.

The reporting person was awarded 74,250 performance share units (PSUs) on June 6, 2025, which were eligible to vest in three equal installments based on achievement of each associated performance goal. On May 27, 2026, the first installment of 24,750 PSUs vested at 111% of target, such that 27,472 shares became issuable. Of these shares, 13,495 were issued to the reporting person and the remaining 13,977 were withheld to pay the associated tax liability.

The reporting person was awarded 70,000 performance share units (PSUs) on September 15, 2024, which were eligible to vest in three equal installments based on achievement of each associated performance goal. On May 27, 2026, the second installment of 23,333 PSUs vested at 111% of target, such that 25,899 shares became issuable. Of these shares, 12,722 were issued to the reporting person and the remaining 13,177 were withheld to pay the associated tax liability.

Represents the number of shares of Common Stock that have been withheld by the issuer to satisfy its income tax withholding and remittance obligations in connection with the net settlement of the vested PSUs and does not represent a sale by the reporting person.

The reporting person was awarded 180,000 performance share units (PSUs) on September 15, 2024, which were eligible to vest in three equal installments based on achievement of each associated performance goal. On May 27, 2026, the second installment of 60,000 PSUs vested at 111% of target, such that 66,600 shares became issuable. Of these shares, 32,714 were issued to the reporting person and the remaining 33,886 were withheld to pay the associated tax liability.

Represents the number of shares of Common Stock that have been withheld by the issuer to satisfy its income tax withholding and remittance obligations in connection with the net settlement of the vested PSUs and does not represent a sale by the reporting person.

Represents the number of shares of Common Stock that have been withheld by the issuer to satisfy its income tax withholding and remittance obligations in connection with the net settlement of the vested PSUs and does not represent a sale by the reporting person.

Represents the number of shares of Common Stock that have been withheld by the issuer to satisfy its income tax withholding and remittance obligations in connection with the net settlement of the vested PSUs and does not represent a sale by the reporting person.

The reporting person was awarded 302,673 performance share units (PSUs) on June 6, 2025, which were eligible to vest in three equal installments based on achievement of each associated performance goal. On May 27, 2026, the first installment of 100,891 PSUs vested at 111% of target, such that 111,989 shares became issuable. Of these shares, 55,009 were issued to the reporting person and the remaining 56,980 were withheld to pay the associated tax liability.

The sale reported on this Form 4 represents an Issuer mandated sale by the Reporting Person to cover tax withholding obligations in connection with the vesting and settlement of Restricted Stock Units, and it does not represent a discretionary trade by the Reporting Person.

The sale reported on this Form 4 represents an Issuer mandated sale by the Reporting Person to cover tax withholding obligations in connection with the vesting and settlement of Restricted Stock Units, and it does not represent a discretionary trade by the Reporting Person.

The sale reported on this Form 4 represents an Issuer mandated sale by the Reporting Person to cover tax withholding obligations in connection with the vesting and settlement of Restricted Stock Units, and it does not represent a discretionary trade by the Reporting Person.

Includes 10,000 shares purchased on February 9, 2026 pursuant to the company's Employee Stock Purchase Plan (ESPP).

The sale reported on this Form 4 represents an Issuer mandated sale by the Reporting Person to cover tax withholding obligations in connection with the vesting and settlement of Restricted Stock Units, and it does not represent a discretionary trade by the Reporting Person.

Includes 10,000 shares purchased on February 9, 2026 pursuant to the company's Employee Stock Purchase Plan (ESPP).

The sale reported on this Form 4 represents an Issuer mandated sale by the Reporting Person to cover tax withholding obligations in connection with the vesting and settlement of Restricted Stock Units, and it does not represent a discretionary trade by the Reporting Person.

Includes 10,000 shares purchased on February 9, 2026 pursuant to the company's Employee Stock Purchase Plan (ESPP).

The sale reported in this line was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on June 12, 2025.

The price is the weighted average sales price for the transactions reported on this line. The prices for the transactions reported on this line range from $2.49 to $2.64. The reporting person undertakes to provide, upon request by the staff of the Securities and Exchange Commission, the issuer, or a security holder of the issuer, full information regarding the number of shares sold at each separate price.

The transactions reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on February 28, 2025.

The price is the weighted average sale price for the transactions reported on this line. The prices for the transactions reported on this line range from $2.50 to $2.51. The reporting person undertakes to provide, upon request by the staff of the Securities and Exchange Commission, the issuer, or a security holder of the issuer, full information regarding the number of shares sold at each separate price.

Represents the number of shares of Common Stock that have been withheld by the issuer to satisfy its income tax withholding and remittance obligations in connection with the net settlement of the Restricted Stock Units ("RSUs") and does not represent a sale by the reporting person.

Represents the number of shares of Common Stock that have been withheld by the issuer to satisfy its income tax withholding and remittance obligations in connection with the net settlement of the Restricted Stock Units ("RSUs") and does not represent a sale by the reporting person.

Represents the number of shares of Common Stock that have been withheld by the issuer to satisfy its income tax withholding and remittance obligations in connection with the net settlement of the Restricted Stock Units ("RSUs") and does not represent a sale by the reporting person.

Represents the number of shares of Common Stock that have been withheld by the issuer to satisfy its income tax withholding and remittance obligations in connection with the net settlement of the Restricted Stock Units ("RSUs") and does not represent a sale by the reporting person.

Represents the number of shares of Common Stock that have been withheld by the issuer to satisfy its income tax withholding and remittance obligations in connection with the net settlement of the Restricted Stock Units ("RSUs") and does not represent a sale by the reporting person.

The transactions reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on June 12, 2025.

The price is the weighted average sales price for the transactions reported on this line. The prices for the transactions reported on this line range from $1.95 to $1.96. The reporting person undertakes to provide, upon request by the staff of the Securities and Exchange Commission, the issuer, or a security holder of the issuer, full information regarding the number of shares sold at each separate price.

Represents the number of shares of Common Stock that have been withheld by the issuer to satisfy its income tax withholding and remittance obligations in connection with the net settlement of the Restricted Stock Units ("RSUs") and does not represent a sale by the reporting person.

Represents the number of shares of Common Stock that have been withheld by the issuer to satisfy its income tax withholding and remittance obligations in connection with the net settlement of the Restricted Stock Units ("RSUs") and does not represent a sale by the reporting person.

Represents the number of shares of Common Stock that have been withheld by the issuer to satisfy its income tax withholding and remittance obligations in connection with the net settlement of the Restricted Stock Units ("RSUs") and does not represent a sale by the reporting person.