Michael R. Foley is no longer subject to Section 16 filing requirements. Form 4 or Form 5 obligations may continue.
No transactions are reported on this Form 4. This form instead simply notes that the reporting person is no longer serving as the chief medical officer of Sera Prognostics, Inc. As a result, the reporting person is no longer subject to Section 16 in connection with his transactions in the equity securities of Sera Prognostics, Inc. and therefore will no longer report any such transactions on Form 4 or Form 5.