SPIR

Represents shares of Class A common stock withheld by the issuer to satisfy exercise price and tax withholding obligations in connection with the exercise of stock options.

This option is fully vested and exercisable.

This option is fully vested and exercisable.

This option is fully vested and exercisable.

This option is fully vested and exercisable.

The reported securities represent restricted stock units, which will vest in full on the earlier of (i) the one-year anniversary of the grant date, or (ii) the date of the first annual meeting of stockholders following the grant date, subject to the Reporting Person's continued service through such vesting date.

The reported securities represent restricted stock units, which will vest in full on the earlier of (i) the one-year anniversary of the grant date, or (ii) the date of the first annual meeting of stockholders following the grant date, subject to the Reporting Person's continued service through such vesting date.

The reported securities represent restricted stock units, which will vest in full on the earlier of (i) the one-year anniversary of the grant date, or (ii) the date of the first annual meeting of stockholders following the grant date, subject to the Reporting Person's continued service through such vesting date.

Shares subject to the option vest in full on the earlier of (i) the one-year anniversary of the grant date, or (ii) the date of the first annual meeting of stockholders following the grant date, subject to the Reporting Person's continued service through such vesting date.

The reported securities represent restricted stock units, which will vest in full on the earlier of (i) the one-year anniversary of the grant date, or (ii) the date of the first annual meeting of stockholders following the grant date, subject to the Reporting Person's continued service through such vesting date.

The shares were sold to cover taxes associated with the settlement of stock units, pursuant to an automatic sale-to-cover instruction in the applicable award agreement, which award agreements intended to satisfy the affirmative defense conditions of Rule 10b5-1(c) were dated April 14, 2023 and May 28, 2025.

The shares were sold to cover taxes associated with the settlement of stock units, pursuant to an automatic sale-to-cover instruction in the applicable award agreement, which award agreement intended to satisfy the affirmative defense conditions of Rule 10b5-1(c) was dated May 28, 2025.

The shares were sold to cover taxes associated with the settlement of stock units, pursuant to an automatic sale-to-cover instruction in the applicable award agreement, which award agreement intended to satisfy the affirmative defense conditions of Rule 10b5-1(c) was dated May 28, 2025.

The shares were sold to cover taxes associated with the settlement of stock units, pursuant to an automatic sale-to-cover instruction in the applicable award agreement, which award agreement intended to satisfy the affirmative defense conditions of Rule 10b5-1(c) was dated January 6, 2025.

The shares were sold to cover taxes associated with the settlement of stock units, pursuant to an automatic sale-to-cover instruction in the applicable award agreement, which award agreement intended to satisfy the affirmative defense conditions of Rule 10b5-1(c) was dated February 4, 2025.

The shares were sold to cover taxes associated with the settlement of stock units, pursuant to an automatic sale-to-cover instruction in the applicable award agreement, which award agreement intended to satisfy the affirmative defense conditions of Rule 10b5-1(c) was dated April 7, 2025.

The shares were sold to cover taxes associated with the settlement of stock units, pursuant to an automatic sale-to-cover instruction in the applicable award agreement, which award agreement intended to satisfy the affirmative defense conditions of Rule 10b5-1(c) was dated April 14, 2023.

The shares were sold to cover taxes associated with the settlement of restricted stock units, pursuant to an automatic sale-to-cover instruction in the applicable award agreement, which award agreement intended to satisfy the affirmative defense conditions of Rule 10b5-1(c) was dated May 28, 2025.

The shares were sold to cover taxes associated with the settlement of restricted stock units, pursuant to an automatic sale-to-cover instruction in the applicable award agreement, which award agreement intended to satisfy the affirmative defense conditions of Rule 10b5-1(c) was dated May 28, 2025.

Represents restricted stock units in lieu of cash compensation of $25,375, which are fully vested.

The shares were sold to cover taxes associated with the settlement of restricted stock units, pursuant to an automatic sale-to-cover instruction in the applicable award agreement, which award agreement intended to satisfy the affirmative defense conditions of Rule 10b5-1(c) was dated May 28, 2025.

The shares were sold to cover taxes associated with the settlement of restricted stock units, pursuant to an automatic sale-to-cover instruction in the applicable award agreement, which award agreement intended to satisfy the affirmative defense conditions of Rule 10b5-1(c) was dated May 28, 2025.

The reported securities represent restricted stock units, one-third of which vest annually beginning on March 9, 2027, subject to the Reporting Person's continued service through each such vesting date.

The shares were sold to cover taxes associated with the settlement of stock units, pursuant to an automatic sale-to-cover instruction in the applicable award agreement, which award agreement intended to satisfy the affirmative defense conditions of Rule 10b5-1(c) was dated January 6, 2025.

The shares were sold to cover taxes associated with the settlement of stock units, pursuant to an automatic sale-to-cover instruction in the applicable award agreement, which award agreements intended to satisfy the affirmative defense conditions of Rule 10b5-1(c) were dated February 4, 2022, April 14, 2023, February 27, 2024, May 28, 2025 and May 28, 2025.

The shares were sold to cover taxes associated with the settlement of restricted stock units, pursuant to an automatic sale-to-cover instruction in the applicable award agreement, which award agreement intended to satisfy the affirmative defense conditions of Rule 10b5-1(c) was dated February 4, 2025.

The shares were sold to cover taxes associated with the settlement of stock units, pursuant to an automatic sale-to-cover instruction in the applicable award agreement, which award agreements intended to satisfy the affirmative defense conditions of Rule 10b5-1(c) were dated April 19, 2022, April 14, 2023, February 27, 2024, October 17, 2024 and May 28, 2025.

Represents restricted stock units, which vests as follows: 25% of the total number of shares vests on February 20, 2027, and the remaining shares vest as to 1/16th installments on a quarterly basis, beginning on May 20, 2027, subject to the Reporting Person's continued service through each such vesting date.

Represents restricted stock units, which vest as follows: 25% of the total number of shares vests on February 20, 2027, and the remaining shares vest as to 1/16th installments on a quarterly basis, beginning on May 20, 2027, subject to the Reporting Person's continued service through each such vesting date.

Represents restricted stock units, which vests as follows: 25% of the total number of shares vests on February 20, 2027, and the remaining shares vest as to 1/16th installments on a quarterly basis, beginning on May 20, 2027, subject to the Reporting Person's continued service through each such vesting date.

Represents restricted stock units, which vests as follows: 25% of the total number of shares vests on February 20, 2027, and the remaining shares vest as to 1/16th installments on a quarterly basis, beginning on May 20, 2027, subject to the Reporting Person's continued service through each such vesting date.

Represents restricted stock units, which vests as follows: 25% of the total number of shares vests on February 20, 2027, and the remaining shares vest as to 1/16th installments on a quarterly basis, beginning on May 20, 2027, subject to the Reporting Person's continued service through each such vesting date.

The shares were sold to cover taxes associated with the settlement of restricted stock units, pursuant to an automatic sale-to-cover instruction in the applicable award agreement, which award agreement intended to satisfy the affirmative defense conditions of Rule 10b5-1(c) was dated May 28, 2025.

The shares were sold to cover taxes associated with the settlement of restricted stock units, pursuant to an automatic sale-to-cover instruction in the applicable award agreement, which award agreement intended to satisfy the affirmative defense conditions of Rule 10b5-1(c) was dated May 28, 2025.

Represents restricted stock units, which vests as follows: 25% of the total number of shares vests on February 20, 2027, and the remaining shares vest as to 1/16th installments on a quarterly basis, beginning on May 20, 2027, subject to the Reporting Person's continued service through each such vesting date.

Represents restricted stock units in lieu of cash compensation of $25,375, which are fully vested.

The shares were sold to cover taxes associated with the settlement of restricted stock units, pursuant to an automatic sale-to-cover instruction in the applicable award agreement, which award agreement intended to satisfy the affirmative defense conditions of Rule 10b5-1(c) was dated May 28, 2025.

The shares were sold to cover taxes associated with the settlement of restricted stock units, pursuant to an automatic sale-to-cover instruction in the applicable award agreement, which award agreement intended to satisfy the affirmative defense conditions of Rule 10b5-1(c) was dated May 28, 2025.

The shares were sold to cover taxes associated with the settlement of restricted stock units, pursuant to an automatic sale-to-cover instruction in the applicable award agreement, which award agreements intended to satisfy the affirmative defense conditions of Rule 10b5-1(c) were dated February 4, 2022, April 14, 2023, March 7, 2024, and May 28, 2025.

The shares were sold to cover taxes associated with the settlement of restricted stock units, pursuant to an automatic sale-to-cover instruction in the applicable award agreement, which award agreements intended to satisfy the affirmative defense conditions of Rule 10b5-1(c) were dated April 19, 2022, April 14, 2023, March 7, 2024, October 17, 2024 and May 28, 2025.

These shares reflect an in-kind distribution of 24,660 shares by Zephir Worldwide LLC ("Zephir") to its members for no consideration.

Beginning with the Reporting Person's Form 4 filed with the Securities and Exchange Commission on June 9, 2025, the number of shares held by Zephir was inadvertently undereported by 60 shares.

These shares were held by Zephir. The Reporting Person is a member of Zephir and shares the power to vote and dispose of shares held by Zephir. The address for Zephir is 626 Millwood Road, Mt. Kisco, NY 10549.

These shares were received by the Reporting Person upon the in-kind distribution of 24,660 shares by Zephir to its members for no consideration.

The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on May 20, 2024.

The price reported in Column 4 is a weighted-average price. These shares were sold in multiple transactions at prices ranging from $8.28 to $8.56. The reporting person undertakes to provide to the issuer, any securityholder of the issuer or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

The shares were sold to cover taxes associated with the settlement of restricted stock units, pursuant to an automatic sale-to-cover instruction in the applicable award agreement, which award agreement intended to satisfy the affirmative defense conditions of Rule 10b5-1(c) was dated May 28, 2025.