KYNB · Kyntra Bio, Inc.

The shares subject to the option shall vest in four equal quarterly installments measured from the date of grant.

The shares subject to the option shall vest in four equal quarterly installments measured from the date of grant.

The shares subject to the option shall vest in four equal quarterly installments measured from the date of grant.

The shares subject to the option shall vest in four equal quarterly installments measured from the date of grant.

Represents shares withheld by the issuer to satisfy a tax obligation realized by the reporting person upon the vesting of restricted stock units.

Represents shares withheld by the issuer to satisfy a tax obligation realized by the reporting person upon the vesting of restricted stock units.

Represents shares withheld by the issuer to satisfy a tax obligation realized by the reporting person upon the vesting of restricted stock units.

Represents shares withheld by the issuer to satisfy a tax obligation realized by the reporting person upon the vesting of restricted stock units.

The option vests in equal amount quarterly over 4 years measured from 2/3/2026.

The option vests in equal amount quarterly over 4 years measured from 2/3/2026.

Represents shares withheld by the issuer to satisfy a tax obligation realized by the reporting person upon the vesting of restricted stock units.

Represents shares withheld by the issuer to satisfy a tax obligation realized by the reporting person upon the vesting of restricted stock units.

Represents shares withheld by the issuer to satisfy a tax obligation realized by the reporting person upon the vesting of restricted stock units.

Represents shares withheld by the issuer to satisfy a tax obligation realized by the reporting person upon the vesting of restricted stock units.

Price reported is a weighted-average purchase price. The shares were purchased at prices ranging from $4.935 to $5.25. The Reporting Person will provide upon request to the SEC, the Issuer or security holder of the Issuer, full information regarding the number of shares purchased at each separate price.

Reflects a 1-for-25 reverse stock split effective on June 16, 2025.

Represents shares withheld by the issuer to satisfy a tax obligation realized by the reporting person upon the vesting of restricted stock units.

Represents shares withheld by the issuer to satisfy a tax obligation realized by the reporting person upon the vesting of restricted stock units.

The shares subject to the option shall vest in equal quarterly installments over three years from the date of grant, subject to the reporting person's continued service at each applicable vest date.

The shares subject to the option shall vest on the earlier of four equal quarterly installments measured from the date of grant or the date of the next annual meeting of stockholders, subject to the reporting person's continued service at each applicable vest date.

The shares subject to the option shall vest on the earlier of four equal quarterly installments measured from the date of grant or the date of the next annual meeting of stockholders, subject to the reporting person's continued service at each applicable vest date.

The shares subject to the option shall vest on the earlier of four equal quarterly installments measured from the date of grant or the date of the next annual meeting of stockholders, subject to the reporting person's continued service at each applicable vest date.

The shares subject to the option shall vest on the earlier of four equal quarterly installments measured from the date of grant or the date of the next annual meeting of stockholders, subject to the reporting person's continued service at each applicable vest date.

Price reported is a weighted-average purchase price. The shares were purchased at prices ranging from $0.34 to $0.37. The Reporting Person will provide upon request to the SEC, the Issuer or security holder of the Issuer, full information regarding the number of shares purchased at each separate price.

Price reported is a weighted-average purchase price. The shares were purchased at prices ranging from $0.3341 to $0.3466. The Reporting Person will provide upon request to the SEC, the Issuer or security holder of the Issuer, full information regarding the number of shares purchased at each separate price.

Price reported is a weighted-average purchase price. The shares were purchased at prices ranging from $0.3499 to $0.3593. The Reporting Person will provide upon request to the SEC, the Issuer or security holder of the Issuer, full information regarding the number of shares purchased at each separate price.

Represents the number of shares withheld by the issuer to cover the tax obligation realized upon the vesting of PSU Milestone grant.

Represents the number of shares released for PSU Milestone Grant vested on March 6, 2025.

Represents shares withheld by the issuer to satisfy a tax obligation realized by the reporting person upon the vesting of restricted stock units.

Represents the number of shares released for PSU Milestone Grant vested on March 6, 2025.

Represents shares withheld by the issuer to satisfy a tax obligation realized by the reporting person upon the vesting of restricted stock units.

Represents shares withheld by the issuer to satisfy a tax obligation realized by the reporting person upon the vesting of restricted stock units.

Represents the number of shares withheld by the issuer to cover the tax obligation realized upon the vesting of PSU Milestone grant.

The option vests in equal amount quarterly over 4 years measured from 1/9/2025.

The option vests in equal amount quarterly over 4 years measured from 1/9/2025.

Represents shares withheld by the issuer to satisfy a tax obligation realized by the reporting person upon the vesting of restricted stock units.

Represents the number of shares withheld by the issuer to cover the tax obligation realized upon the vesting of restricted stock units.

Represents shares withheld by the issuer to satisfy a tax obligation realized by the reporting person upon the vesting of restricted stock units.

Represents shares withheld by the issuer to satisfy a tax obligation realized by the reporting person upon the vesting of restricted stock units.

Represents shares withheld by the issuer to satisfy a tax obligation realized by the reporting person upon the vesting of restricted stock units.

Represents the number of shares withheld by the issuer to cover the tax obligation realized upon the vesting of restricted stock units.

Represents shares withheld by the issuer to satisfy a tax obligation realized by the reporting person upon the vesting of restricted stock units.

Represents shares withheld by the issuer to satisfy a tax obligation realized by the reporting person upon the vesting of restricted stock units.

Represents shares withheld by the issuer to satisfy a tax obligation realized by the reporting person upon the vesting of restricted stock units.

Represents shares withheld by the issuer to satisfy a tax obligation realized by the reporting person upon the vesting of restricted stock units.

Represents shares withheld by the issuer to satisfy a tax obligation realized by the reporting person upon the vesting of restricted stock units.