Simon Amy Sells Beam Therapeutics Inc. Stock to Cover Tax Withholding

Amy Simon, Chief Medical Officer at Beam Therapeutics Inc., executed a non-discretionary sale of 6,700 shares of common stock on April 1, 2026, at a price of $24.58 per share. This sale was conducted through a Rule 10b5-1 trading plan to cover tax obligations arising from the vesting of restricted stock units. The shares were granted under the Beam Therapeutics Inc. 2019 Equity Incentive Plan on various dates between March 31, 2022, and March 31, 2025. Following this transaction, Amy Simon holds 102,735 shares. This holding includes 183 and 138 shares acquired through the BEAM Amended and Restated 2019 Employee Stock Purchase Plan on September 30, 2025, and March 31, 2026, respectively. The filing is Form 4 and is marked as involving a Rule 10b5-1 plan.