Roblox Corp

Rule 10b5-1 Trading Arrangements

During our most recent fiscal quarter, other than as disclosed below, no director or officer, as defined in Rule 16a-1(f) under the Exchange Act, adopted or terminated a “Rule 10b5-1 trading arrangement” or a “non-Rule 10b5-1 trading arrangement,” each as defined in Regulation S-K Item 408.

On October 31, 2025, Matt Kaufman, our Chief Safety Officer, adopted a Rule 10b5-1 trading arrangement providing for the sale from time to time of an aggregate of up to 30,000 shares of Class A common stock, with the actual number of shares sold determined based on a written formula at specified market prices. The trading arrangement expires on November 13, 2026, or earlier if all transactions under the trading arrangement are completed.

On November 24, 2025, Anthony Lee, a member of our Board of Directors, adopted a Rule 10b5-1 trading arrangement as trustee of The Fallen Leaf Revocable Trust and co-trustee of trusts for his children providing for the sale from time to time of an aggregate of up to 552,000 shares of Class A common stock, with the actual number of shares sold determined based on a written formula at specified market prices. The trading arrangement expires on March 31, 2027, or earlier if all transactions under the trading arrangement are completed.

On November 24, 2025, Chris Carvalho, 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 120,000 shares of Class A common stock, with the actual number of shares sold determined based on a written formula at specified market prices. The trading arrangement expires on February 26, 2027, or earlier if all transactions under the trading arrangement are completed.

On November 28, 2025, Greg Baszucki, a member of our Board of Directors, adopted a Rule 10b5-1 trading arrangement as an individual and as trustee of the Greg & Christina Baszucki Living Trust, dated August 18, 2006, providing for the sale from time to time of an aggregate of up to 199,992 shares of Class A common stock, with the actual number of shares sold determined based on a written formula at specified market prices. The trading arrangement expires on March 1, 2027, or earlier if all transactions under the trading arrangement are completed.

Each of these trading arrangements were entered into during an open insider trading window and are intended to satisfy the affirmative defense in Rule 10b5-1(c) and the Company’s policies regarding insider transactions. Each of these trading arrangements begins trading after the termination of any outstanding prior trading arrangements for the relevant director or officer, as applicable.