Reddit, Inc.

(c)

Rule 10b5-1 Trading Plans

During the three months ended June 30, 2025, the directors or “officers” (as defined in Rule 16a-1(f) under the Exchange Act) listed below adopted, modified, orterminated a “Rule 10b5-1 trading arrangement” or “non-Rule 10b5-1 trading arrangement,” as each term is defined in Item 408(a) of Regulation S-K:

On May 9, 2025, our Chief Technology Officer, Christopher Slowe, adopted a Rule 10b5-1 trading arrangement intended to satisfy the affirmative defense conditions of Rule 10b5-1(c) for the sale of up to 350,000 shares of our Class A common stock. The trading plan will terminate at the earlier of the execution of all trading orders pursuant to the plan or August 20, 2026.

On May 16, 2025, our Chief Operating Officer, Jennifer Wong, individually and through a trust for which she is a trustee, adopted a Rule 10b5-1 trading arrangement intended to satisfy the affirmative defense conditions of Rule 10b5-1(c) for the sale of up to 714,656 shares of our Class A common stock. The actual number of shares subject to the Rule 10b5-1 trading arrangement is expected to be different due to our withholding of certain shares to satisfy tax withholding obligations in connection with the vesting of restricted stock units. The trading plan will terminate at the earlier of the execution of all trading orders pursuant to the plan or August 19, 2026.

On May 19, 2025, our Chief Executive Officer and Director, Steven Huffman, through a trust for which he is a trustee, adopted a Rule 10b5-1 trading arrangement intended to satisfy the affirmative defense conditions of Rule 10b5-1(c) for the sale of up to 450,000 shares of our Class A common stock. The trading plan will terminate at the earlier of the execution of all trading orders pursuant to the plan or August 31, 2026. As of June 30, 2025, the shares subject to Mr. Huffman’s trading plan represent 4.44% of his outstanding common stock and equity awards.

On June 3, 2025, our Chief Financial Officer, Andrew Vollero, adopted a Rule 10b5-1 trading arrangement intended to satisfy the affirmative defense conditions of Rule 10b5-1(c) for the sale of up to 30,000 shares of our Class A common stock. The trading plan will terminate at the earlier of the execution of all trading orders pursuant to the plan or November 14, 2025.