Form 144 - Report of proposed sale of securities

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144: Remarks and Signature

Remarks	The securities to be sold were or will be acquired upon the vesting of restricted stock units during the period of 10/1/2024 through 3/1/2025.
Date of Notice	12/11/2024
Date of Plan Adoption or Giving of Instruction, If Relying on Rule 10b5-1	08/28/2024
ATTENTION:
The person for whose account the securities to which this notice relates are to be sold hereby represents by signing this notice that he does not know any material adverse information in regard to the current and prospective operations of the Issuer of the securities to be sold which has not been publicly disclosed. If such person has adopted a written trading plan or given trading instructions to satisfy Rule 10b5-1 under the Exchange Act, by signing the form and indicating the date that the plan was adopted or the instruction given, that person makes such representation as of the plan adoption or instruction date.
Signature	/s/ Jennifer A Doudna
ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)