Item 9B. Other Information

Securities Trading Plans of Directors and Executive Officers

On December 8, 2023, the ST Trust under agreement dated October 2, 2019, a stockholder whose shares may be deemed to be beneficially owned by Stanley Tang, our co-founder and a member of our board of directors, adopted a Rule 10b5-1 trading arrangement providing for the sale from time to time of an aggregate of up to 600,000 shares of our Class A common stock. The trading arrangement is intended to satisfy the affirmative defense in Rule 10b5-1(c). The duration of the trading arrangement is until February 28, 2025, or earlier if all transactions under the trading arrangement are completed.