YI · 111, Inc.

Represents the sale of 70,440 Class A ordinary share (in the form of 3,522 ADSs) of the Issuer to satisfy tax withholding obligations in connection with the vesting of RSUs.

Represents the sale of 70,440 Class A ordinary share (in the form of 3,522 ADSs) of the Issuer to satisfy tax withholding obligations in connection with the vesting of RSUs.

Represents the sale of 70,440 Class A ordinary share (in the form of 3,522 ADSs) of the Issuer to satisfy tax withholding obligations in connection with the vesting of RSUs.

Represents the sale of 70,440Class A ordinary share (in the form of 3,522 ADSs) of the Issuer to satisfy tax withholding obligations in connection with the vesting of RSUs.

Represents the sale of 3,400 Class A ordinary share (in the form of 170 ADSs) of the Issuer to satisfy tax withholding obligations in connection with the vesting of RSUs.

Represents the sale of 70,440 Class A ordinary share (in the form of 3,522 ADSs) of the Issuer to satisfy tax withholding obligations in connection with the vesting of RSUs.

Represents the sale of 3,400 Class A ordinary share (in the form of 170 ADSs) of the Issuer to satisfy tax withholding obligations in connection with the vesting of RSUs.

Represents the sale of 29,280 Class A ordinary share (in the form of 1,464 ADSs) of the Issuer to satisfy tax withholding obligations in connection with the vesting of RSUs.

Represents the sale of 29,280Class A ordinary share (in the form of 1,464 ADSs) of the Issuer to satisfy tax withholding obligations in connection with the vesting of RSUs.

Represents the sale of 29,280 Class A ordinary share (in the form of 1,464 ADSs) of the Issuer to satisfy tax withholding obligations in connection with the vesting of RSUs.

Represents the sale of 29,280 Class A ordinary share (in the form of 1,464 ADSs) of the Issuer to satisfy tax withholding obligations in connection with the vesting of RSUs.

Represents the sale of 1,440 Class A ordinary share (in the form of 72 ADSs) of the Issuer to satisfy tax withholding obligations in connection with the vesting of RSUs.

Represents the sale of 1,440 Class A ordinary share (in the form of 72 ADSs) of the Issuer to satisfy tax withholding obligations in connection with the vesting of RSUs.

Represents the sale of 29,280 Class A ordinary share (in the form of 1,464 ADSs) of the Issuer to satisfy tax withholding obligations in connection with the vesting of RSUs.

Represent a grant of 413,168 RSUs, each RSU representing the right to receive one Class A ordinary share of the Issuer, with a grant date of May 12, 2026 and a vesting commencement date of May 12, 2026. Each such grant shall vest as to 25% of the RSUs on each of the first, second, third and fourth anniversaries of May 12, 2026; provided, however, that if the Reporting Person's service with the Issuer or any Service Recipient (as defined in the applicable Award Agreement) terminates in any vesting year other than for Cause (as defined in the applicable Award Agreement), the portion otherwise scheduled to vest for such vesting year shall vest pro rata based on the number of full months actually served by the grantee during such vesting year, with one-twelfth (1/12) of the amount scheduled to vest for such vesting year vesting for each completed month of service in such year.

Represent a grant of 413,168 RSUs, each RSU representing the right to receive one Class A ordinary share of the Issuer, with a grant date of May 12, 2026 and a vesting commencement date of May 12, 2026. Each such grant shall vest as to 25% of the RSUs on each of the first, second, third and fourth anniversaries of May 12, 2026; provided, however, that if the Reporting Person's service with the Issuer or any Service Recipient (as defined in the applicable Award Agreement) terminates in any vesting year other than for Cause (as defined in the applicable Award Agreement), the portion otherwise scheduled to vest for such vesting year shall vest pro rata based on the number of full months actually served by the grantee during such vesting year, with one-twelfth (1/12) of the amount scheduled to vest for such vesting year vesting for each completed month of service in such year.

Represent a grant of 413,168 RSUs, each RSU representing the right to receive one Class A ordinary share of the Issuer, with a grant date of May 12, 2026 and a vesting commencement date of May 12, 2026. Each such grant shall vest as to 25% of the RSUs on each of the first, second, third and fourth anniversaries of May 12, 2026; provided, however, that if the Reporting Person's service with the Issuer or any Service Recipient (as defined in the applicable Award Agreement) terminates in any vesting year other than for Cause (as defined in the applicable Award Agreement), the portion otherwise scheduled to vest for such vesting year shall vest pro rata based on the number of full months actually served by the grantee during such vesting year, with one-twelfth (1/12) of the amount scheduled to vest for such vesting year vesting for each completed month of service in such year.

Represent a grant of 413,168 RSUs, each RSU representing the right to receive one Class A ordinary share of the Issuer, with a grant date of May 12, 2026 and a vesting commencement date of May 12, 2026. Each such grant shall vest as to 25% of the RSUs on each of the first, second, third and fourth anniversaries of May 12, 2026; provided, however, that if the Reporting Person's service with the Issuer or any Service Recipient (as defined in the applicable Award Agreement) terminates in any vesting year other than for Cause (as defined in the applicable Award Agreement), the portion otherwise scheduled to vest for such vesting year shall vest pro rata based on the number of full months actually served by the grantee during such vesting year, with one-twelfth (1/12) of the amount scheduled to vest for such vesting year vesting for each completed month of service in such year.

Represent a grant of 413,168 RSUs, each RSU representing the right to receive one Class A ordinary share of the Issuer, with a grant date of May 12, 2026 and a vesting commencement date of May 12, 2026. Each such grant shall vest as to 25% of the RSUs on each of the first, second, third and fourth anniversaries of May 12, 2026; provided, however, that if the Reporting Person's service with the Issuer or any Service Recipient (as defined in the applicable Award Agreement) terminates in any vesting year other than for Cause (as defined in the applicable Award Agreement), the portion otherwise scheduled to vest for such vesting year shall vest pro rata based on the number of full months actually served by the grantee during such vesting year, with one-twelfth (1/12) of the amount scheduled to vest for such vesting year vesting for each completed month of service in such year.

Represent a grant of 413,168 RSUs, each RSU representing the right to receive one Class A ordinary share of the Issuer, with a grant date of May 12, 2026 and a vesting commencement date of May 12, 2026. Each such grant shall vest as to 25% of the RSUs on each of the first, second, third and fourth anniversaries of May 12, 2026; provided, however, that if the Reporting Person's service with the Issuer or any Service Recipient (as defined in the applicable Award Agreement) terminates in any vesting year other than for Cause (as defined in the applicable Award Agreement), the portion otherwise scheduled to vest for such vesting year shall vest pro rata based on the number of full months actually served by the grantee during such vesting year, with one-twelfth (1/12) of the amount scheduled to vest for such vesting year vesting for each completed month of service in such year.

Represent a grant of 413,168 RSUs, each RSU representing the right to receive one Class A ordinary share of the Issuer, with a grant date of May 12, 2026 and a vesting commencement date of May 12, 2026. Each such grant shall vest as to 25% of the RSUs on each of the first, second, third and fourth anniversaries of May 12, 2026; provided, however, that if the Reporting Person's service with the Issuer or any Service Recipient (as defined in the applicable Award Agreement) terminates in any vesting year other than for Cause (as defined in the applicable Award Agreement), the portion otherwise scheduled to vest for such vesting year shall vest pro rata based on the number of full months actually served by the grantee during such vesting year, with one-twelfth (1/12) of the amount scheduled to vest for such vesting year vesting for each completed month of service in such year.

Represent a grant of 413,168 RSUs, each RSU representing the right to receive one Class A ordinary share of the Issuer, with a grant date of May 12, 2026 and a vesting commencement date of May 12, 2026. Each such grant shall vest as to 25% of the RSUs on each of the first, second, third and fourth anniversaries of May 12, 2026; provided, however, that if the Reporting Person's service with the Issuer or any Service Recipient (as defined in the applicable Award Agreement) terminates in any vesting year other than for Cause (as defined in the applicable Award Agreement), the portion otherwise scheduled to vest for such vesting year shall vest pro rata based on the number of full months actually served by the grantee during such vesting year, with one-twelfth (1/12) of the amount scheduled to vest for such vesting year vesting for each completed month of service in such year.

Represent a grant of 413,168 RSUs, each RSU representing the right to receive one Class A ordinary share of the Issuer, with a grant date of May 12, 2026 and a vesting commencement date of May 12, 2026. Each such grant shall vest as to 25% of the RSUs on each of the first, second, third and fourth anniversaries of May 12, 2026; provided, however, that if the Reporting Person's service with the Issuer or any Service Recipient (as defined in the applicable Award Agreement) terminates in any vesting year other than for Cause (as defined in the applicable Award Agreement), the portion otherwise scheduled to vest for such vesting year shall vest pro rata based on the number of full months actually served by the grantee during such vesting year, with one-twelfth (1/12) of the amount scheduled to vest for such vesting year vesting for each completed month of service in such year.

Represent a grant of 413,168 RSUs, each RSU representing the right to receive one Class A ordinary share of the Issuer, with a grant date of May 12, 2026 and a vesting commencement date of May 12, 2026. Each such grant shall vest as to 25% of the RSUs on each of the first, second, third and fourth anniversaries of May 12, 2026; provided, however, that if the Reporting Person's service with the Issuer or any Service Recipient (as defined in the applicable Award Agreement) terminates in any vesting year other than for Cause (as defined in the applicable Award Agreement), the portion otherwise scheduled to vest for such vesting year shall vest pro rata based on the number of full months actually served by the grantee during such vesting year, with one-twelfth (1/12) of the amount scheduled to vest for such vesting year vesting for each completed month of service in such year.

Represent a grant of 413,168 RSUs, each RSU representing the right to receive one Class A ordinary share of the Issuer, with a grant date of May 12, 2026 and a vesting commencement date of May 12, 2026. Each such grant shall vest as to 25% of the RSUs on each of the first, second, third and fourth anniversaries of May 12, 2026; provided, however, that if the Reporting Person's service with the Issuer or any Service Recipient (as defined in the applicable Award Agreement) terminates in any vesting year other than for Cause (as defined in the applicable Award Agreement), the portion otherwise scheduled to vest for such vesting year shall vest pro rata based on the number of full months actually served by the grantee during such vesting year, with one-twelfth (1/12) of the amount scheduled to vest for such vesting year vesting for each completed month of service in such year.

Represent a grant of 378,737 RSUs, each RSU representing the right to receive one Class A ordinary share of the Issuer, with a grant date of May 11, 2026, which shall vest in full on the grant date.

Represent a grant of 378,737 RSUs, each RSU representing the right to receive one Class A ordinary share of the Issuer, with a grant date of May 11, 2026, which shall vest in full on the grant date.

Represent a grant of 54,759 RSUs, each RSU representing the right to receive one Class A ordinary share of the Issuer, with a grant date of May 11, 2026, which shall vest in full on the grant date.

Represent a grant of 378,737 RSUs, each RSU representing the right to receive one Class A ordinary share of the Issuer, with a grant date of May 11, 2026, which shall vest in full on the grant date.

Represent a grant of 378,737 RSUs, each RSU representing the right to receive one Class A ordinary share of the Issuer, with a grant date of May 11, 2026, which shall vest in full on the grant date.

Represent a grant of 54,759 RSUs, each RSU representing the right to receive one Class A ordinary share of the Issuer, with a grant date of May 11, 2026, which shall vest in full on the grant date.

Represent a grant of 378,737 RSUs, each RSU representing the right to receive one Class A ordinary share of the Issuer, with a grant date of May 11, 2026, which shall vest in full on the grant date.

Represent a grant of 378,737 RSUs, each RSU representing the right to receive one Class A ordinary share of the Issuer, with a grant date of May 11, 2026, which shall vest in full on the grant date.

Represent a grant of 378,737 RSUs, each RSU representing the right to receive one Class A ordinary share of the Issuer, with a grant date of May 11, 2026, which shall vest in full on the grant date.

Represent a grant of 378,737 RSUs, each RSU representing the right to receive one Class A ordinary share of the Issuer, with a grant date of May 11, 2026, which shall vest in full on the grant date.

Represent a grant of 54,759 RSUs, each RSU representing the right to receive one Class A ordinary share of the Issuer, with a grant date of May 11, 2026, which shall vest in full on the grant date.

Each RSU represents a contingent right to receive one Class A ordinary share. As of the date of this Form 4, all such RSUs have fully vested.

Each RSU represents a contingent right to receive one Class A ordinary share. As of the date of this Form 4, all such RSUs have fully vested.

Each RSU represents a contingent right to receive one Class A ordinary share. As of the date of this Form 4, all such RSUs have fully vested.