Transaction Details

Footnotes

The sale of shares reported on this Form 4 was effected pursuant to a Rule 10b5-1 trading plan entered into by the Reporting Person on August 12, 2025. | Represents the weighted average share price of an aggregate total of 4,212 shares sold in the price range of $25.12 to $26.11 by the Reporting Person. The Reporting Person undertakes to provide upon request by the Commission staff, the issuer or a security holder of the issuer, full information regarding the number of shares sold at each separate price. | Represents the weighted average share price of an aggregate total of 5,788 shares sold in the price range of $26.12 to $26.81 by the Reporting Person. The Reporting Person undertakes to provide upon request by the Commission staff, the issuer or a security holder of the issuer, full information regarding the number of shares sold at each separate price. | Shares issued pursuant to the LENZ Therapeutics Operations, Inc. (previously named Lenz Therapeutics, Inc.) 2020 Equity Incentive Plan (the "2020 Plan"). Subject to the Reporting Person continuing to be a Service Provider (as defined in the 2020 Plan) through each applicable date, twenty five percent (25%) of the shares subject to the option shall vest on the one (1) year anniversary of the Vesting Commencement Date, and one forty-eighth (1/48th) of the shares subject to the option shall vest each month thereafter on the same day of the month as the Vesting Commencement Date (and if there is no corresponding day, on the last day of the month). "Vesting Commencement Date" shall mean April 26, 2021.