Item 9B. OTHER INFORMATION

On November 13, 2025, Baiju Prafulkumar Bhatt Living Trust, an entity controlled by Baiju Bhatt, a member of our Board of Directors, adopted a “Rule 10b5-1 trading arrangement” (as defined in Item 408(a) of Regulation S-K) intended to satisfy the affirmative defense of Rule 10b5-1(c) under the Exchange Act pursuant to which he may sell up to 3,000,000 shares of our Class A common stock on or prior to February 10, 2027.

On November 19, 2025, Steven Quirk, our Chief Brokerage Officer, adopted a “Rule 10b5-1 trading arrangement” (as defined in Item 408(a) of Regulation S-K) intended to satisfy the affirmative defense of Rule 10b5-1(c) under the Exchange Act pursuant to which he may sell (i) up to 76,874 shares of our Class A common stock (less any shares previously sold under predecessor Rule 10b5-1 trading arrangements), (ii) up to 43,403 unvested RSUs (less any shares previously sold under predecessor Rule 10b5-1 trading arrangements and shares withheld for applicable taxes), (iii) up to 18,376 shares of our Class A common stock, and (iv) up to 261,816 unvested RSUs (less any shares withheld for applicable taxes), in each case on or prior to February 19, 2027. RSUs convert into Class A common stock on a one-for-one basis upon vesting and settlement.

On December 2, 2025, The Jonathan J. Rubinstein Trust, an entity controlled by Jonathan Rubinstein, a member of our Board of Directors, adopted a “Rule 10b5-1 trading arrangement” (as defined in Item 408(a) of Regulation S-K) intended to satisfy the affirmative defense of Rule 10b5-1(c) under the Exchange Act pursuant to which he may sell up to 26,475 shares of our Class A common stock on or prior to November 19, 2027.

On December 2, 2025, Paula Loop, a member of our Board of Directors, adopted a “Rule 10b5-1 trading arrangement” (as defined in Item 408(a) of Regulation S-K) intended to satisfy the affirmative defense of Rule 10b5-1(c) under the Exchange Act pursuant to which she may sell up to 15,036 RSUs on or prior to February 19, 2027. RSUs convert into Class A common stock on a one-for-one basis upon vesting and settlement.

On December 9, 2025, Dara Treseder, a member of our Board of Directors, adopted a “Rule 10b5-1 trading arrangement” (as defined in Item 408(a) of Regulation S-K) intended to satisfy the affirmative defense of Rule 10b5-1(c) under the Exchange Act pursuant to which she may sell up to 15,000 shares of our Class A common stock on or prior to February 20, 2027.

In addition, certain of our officers may, from time to time, make elections to participate in our ESPP and to have shares withheld or sold to cover withholding taxes or pay the exercise price of options, which may be designed to satisfy the affirmative defense conditions of Rule 10b5-1 under the Exchange Act or may constitute “non-Rule 10b5-1 trading arrangements” (as defined in Item 408(c) of Regulation S-K).